As eeprom.c isn't a new start, I keep the original date in the file.
Probably Doxygen header and entries are missing here. Thomas, if you add the
header and point me to missing things, I will try to add the missing things
--
Uwe Bonnes bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
>From b85f01b917db802157b0e6d96db7074de571743e Mon Sep 17 00:00:00 2001
From: Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 8 Sep 2011 09:49:52 +0200
Subject: Move eeprom related functions to a seperate file
---
src/CMakeLists.txt | 2 +-
src/Makefile.am | 2 +-
src/eeprom.c | 1523 ++++++++++++++++++++++++++++++++++++++++++++++++++++
src/ftdi.c | 1484 --------------------------------------------------
4 files changed, 1525 insertions(+), 1486 deletions(-)
create mode 100644 src/eeprom.c
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0816341..34e5b99 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -4,7 +4,7 @@ include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}
)
# Targets
-set(c_sources ftdi.c ftdi_stream.c)
+set(c_sources ftdi.c ftdi_stream.c eeprom.c)
set(c_headers ftdi.h)
add_library(ftdi SHARED ${c_sources})
diff --git a/src/Makefile.am b/src/Makefile.am
index 9141fb9..417df8c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
# the library search path.
lib_LTLIBRARIES = libftdi.la
-libftdi_la_SOURCES = ftdi.c ftdi_stream.c
+libftdi_la_SOURCES = ftdi.c ftdi_stream.c eeprom.c
include_HEADERS = ftdi.h
# Note: If you specify a:b:c as the version in the next line,
diff --git a/src/eeprom.c b/src/eeprom.c
new file mode 100644
index 0000000..bf9e8b5
--- /dev/null
+++ b/src/eeprom.c
@@ -0,0 +1,1523 @@
+/***************************************************************************
+ eeprom.c - description
+ -------------------
+ begin : Fri Apr 4 2003
+ copyright : (C) 2003-2011 by Intra2net AG and the libftdi
developers
+ email : opensource@xxxxxxxxxxxxx
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU Lesser General Public License *
+ * version 2.1 as published by the Free Software Foundation; *
+ * *
+ ***************************************************************************/
+
+/*
+ EEPROM related functions here
+*/
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "ftdi_i.h"
+#include "ftdi.h"
+
+#define eeprom_error_return(code, str) do { \
+ ftdi->error_str = str; \
+ return code; \
+ } while(0);
+
+#define eeprom_error_return_free_device_list(code, str, devs) do { \
+ libusb_free_device_list(devs,1); \
+ ftdi->error_str = str; \
+ return code; \
+ } while(0);
+
+
+/**
+ Init eeprom with default values for the connected device
+ \param ftdi pointer to ftdi_context
+ \param manufacturer String to use as Manufacturer
+ \param product String to use as Product description
+ \param serial String to use as Serial number description
+
+ \retval 0: all fine
+ \retval -1: No struct ftdi_context
+ \retval -2: No struct ftdi_eeprom
+ \retval -3: No connected device or device not yet opened
+*/
+int ftdi_eeprom_initdefaults(struct ftdi_context *ftdi, char * manufacturer,
+ char * product, char * serial)
+{
+ struct ftdi_eeprom *eeprom;
+
+ if (ftdi == NULL)
+ eeprom_error_return(-1, "No struct ftdi_context");
+
+ if (ftdi->eeprom == NULL)
+ eeprom_error_return(-2,"No struct ftdi_eeprom");
+
+ eeprom = ftdi->eeprom;
+ memset(eeprom, 0, sizeof(struct ftdi_eeprom));
+
+ if (ftdi->usb_dev == NULL)
+ eeprom_error_return(-3, "No connected device or device not yet
opened");
+
+ eeprom->vendor_id = 0x0403;
+ eeprom->use_serial = 1;
+ if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM) ||
+ (ftdi->type == TYPE_R))
+ eeprom->product_id = 0x6001;
+ else if (ftdi->type == TYPE_4232H)
+ eeprom->product_id = 0x6011;
+ else if (ftdi->type == TYPE_232H)
+ eeprom->product_id = 0x6014;
+ else
+ eeprom->product_id = 0x6010;
+ if (ftdi->type == TYPE_AM)
+ eeprom->usb_version = 0x0101;
+ else
+ eeprom->usb_version = 0x0200;
+ eeprom->max_power = 100;
+
+ if (eeprom->manufacturer)
+ free (eeprom->manufacturer);
+ eeprom->manufacturer = NULL;
+ if (manufacturer)
+ {
+ eeprom->manufacturer = malloc(strlen(manufacturer)+1);
+ if (eeprom->manufacturer)
+ strcpy(eeprom->manufacturer, manufacturer);
+ }
+
+ if (eeprom->product)
+ free (eeprom->product);
+ eeprom->product = NULL;
+ if(product)
+ {
+ eeprom->product = malloc(strlen(product)+1);
+ if (eeprom->product)
+ strcpy(eeprom->product, product);
+ }
+ else
+ {
+ const char* default_product;
+ switch(ftdi->type)
+ {
+ case TYPE_AM: default_product = "AM"; break;
+ case TYPE_BM: default_product = "BM"; break;
+ case TYPE_2232C: default_product = "Dual RS232"; break;
+ case TYPE_R: default_product = "FT232R USB UART"; break;
+ case TYPE_2232H: default_product = "Dual RS232-HS"; break;
+ case TYPE_4232H: default_product = "FT4232H"; break;
+ case TYPE_232H: default_product = "Single-RS232-HS"; break;
+ default:
+ eeprom_error_return(-3, "Unknown chip type");
+ }
+ eeprom->product = malloc(strlen(default_product) +1);
+ if (eeprom->product)
+ strcpy(eeprom->product, default_product);
+ }
+
+ if (eeprom->serial)
+ free (eeprom->serial);
+ eeprom->serial = NULL;
+ if (serial)
+ {
+ eeprom->serial = malloc(strlen(serial)+1);
+ if (eeprom->serial)
+ strcpy(eeprom->serial, serial);
+ }
+
+
+ if (ftdi->type == TYPE_R)
+ {
+ eeprom->max_power = 90;
+ eeprom->size = 0x80;
+ eeprom->cbus_function[0] = CBUS_TXLED;
+ eeprom->cbus_function[1] = CBUS_RXLED;
+ eeprom->cbus_function[2] = CBUS_TXDEN;
+ eeprom->cbus_function[3] = CBUS_PWREN;
+ eeprom->cbus_function[4] = CBUS_SLEEP;
+ }
+ else
+ {
+ if(ftdi->type == TYPE_232H)
+ {
+ int i;
+ for (i=0; i<10; i++)
+ eeprom->cbus_function[i] = CBUSH_TRISTATE;
+ }
+ eeprom->size = -1;
+ }
+ eeprom->initialized_for_connected_device = 1;
+ return 0;
+}
+/*FTD2XX doesn't check for values not fitting in the ACBUS Signal oprtions*/
+void set_ft232h_cbus(struct ftdi_eeprom *eeprom, unsigned char * output)
+{
+ int i;
+ for(i=0; i<5;i++)
+ {
+ int mode_low, mode_high;
+ if (eeprom->cbus_function[2*i]> CBUSH_CLK7_5)
+ mode_low = CBUSH_TRISTATE;
+ else
+ mode_low = eeprom->cbus_function[2*i];
+ if (eeprom->cbus_function[2*i+1]> CBUSH_CLK7_5)
+ mode_high = CBUSH_TRISTATE;
+ else
+ mode_high = eeprom->cbus_function[2*i];
+
+ output[0x18+i] = mode_high <<4 | mode_low;
+ }
+}
+/* Return the bits for the encoded EEPROM Structure of a requested Mode
+ *
+ */
+static unsigned char type2bit(unsigned char type, enum ftdi_chip_type chip)
+{
+ switch (chip)
+ {
+ case TYPE_2232H:
+ case TYPE_2232C:
+ {
+ switch (type)
+ {
+ case CHANNEL_IS_UART: return 0;
+ case CHANNEL_IS_FIFO: return 0x01;
+ case CHANNEL_IS_OPTO: return 0x02;
+ case CHANNEL_IS_CPU : return 0x04;
+ default: return 0;
+ }
+ }
+ case TYPE_232H:
+ {
+ switch (type)
+ {
+ case CHANNEL_IS_UART : return 0;
+ case CHANNEL_IS_FIFO : return 0x01;
+ case CHANNEL_IS_OPTO : return 0x02;
+ case CHANNEL_IS_CPU : return 0x04;
+ case CHANNEL_IS_FT1284 : return 0x08;
+ default: return 0;
+ }
+ }
+ default: return 0;
+ }
+ return 0;
+}
+
+/**
+ Build binary buffer from ftdi_eeprom structure.
+ Output is suitable for ftdi_write_eeprom().
+
+ \param ftdi pointer to ftdi_context
+
+ \retval >=0: size of eeprom user area in bytes
+ \retval -1: eeprom size (128 bytes) exceeded by custom strings
+ \retval -2: Invalid eeprom or ftdi pointer
+ \retval -3: Invalid cbus function setting (FIXME: Not in the code?)
+ \retval -4: Chip doesn't support invert (FIXME: Not in the code?)
+ \retval -5: Chip doesn't support high current drive (FIXME: Not in
the code?)
+ \retval -6: No connected EEPROM or EEPROM Type unknown
+*/
+int ftdi_eeprom_build(struct ftdi_context *ftdi)
+{
+ unsigned char i, j, eeprom_size_mask;
+ unsigned short checksum, value;
+ unsigned char manufacturer_size = 0, product_size = 0, serial_size = 0;
+ int user_area_size;
+ struct ftdi_eeprom *eeprom;
+ unsigned char * output;
+
+ if (ftdi == NULL)
+ eeprom_error_return(-2,"No context");
+ if (ftdi->eeprom == NULL)
+ eeprom_error_return(-2,"No eeprom structure");
+
+ eeprom= ftdi->eeprom;
+ output = eeprom->buf;
+
+ if (eeprom->chip == -1)
+ eeprom_error_return(-6,"No connected EEPROM or EEPROM type unknown");
+
+ if ((eeprom->chip == 0x56) || (eeprom->chip == 0x66))
+ eeprom->size = 0x100;
+ else
+ eeprom->size = 0x80;
+
+ if (eeprom->manufacturer != NULL)
+ manufacturer_size = strlen(eeprom->manufacturer);
+ if (eeprom->product != NULL)
+ product_size = strlen(eeprom->product);
+ if (eeprom->serial != NULL)
+ serial_size = strlen(eeprom->serial);
+
+ // eeprom size check
+ switch (ftdi->type)
+ {
+ case TYPE_AM:
+ case TYPE_BM:
+ user_area_size = 96; // base size for strings (total of 48
characters)
+ break;
+ case TYPE_2232C:
+ user_area_size = 90; // two extra config bytes and 4 bytes PnP
stuff
+ break;
+ case TYPE_R:
+ user_area_size = 88; // four extra config bytes + 4 bytes PnP
stuff
+ break;
+ case TYPE_2232H: // six extra config bytes + 4 bytes PnP
stuff
+ case TYPE_4232H:
+ user_area_size = 86;
+ break;
+ case TYPE_232H:
+ user_area_size = 80;
+ break;
+ default:
+ user_area_size = 0;
+ break;
+ }
+ user_area_size -= (manufacturer_size + product_size + serial_size) * 2;
+
+ if (user_area_size < 0)
+ eeprom_error_return(-1,"eeprom size exceeded");
+
+ // empty eeprom
+ memset (ftdi->eeprom->buf, 0, FTDI_MAX_EEPROM_SIZE);
+
+ // Bytes and Bits set for all Types
+
+ // Addr 02: Vendor ID
+ output[0x02] = eeprom->vendor_id;
+ output[0x03] = eeprom->vendor_id >> 8;
+
+ // Addr 04: Product ID
+ output[0x04] = eeprom->product_id;
+ output[0x05] = eeprom->product_id >> 8;
+
+ // Addr 06: Device release number (0400h for BM features)
+ output[0x06] = 0x00;
+ switch (ftdi->type)
+ {
+ case TYPE_AM:
+ output[0x07] = 0x02;
+ break;
+ case TYPE_BM:
+ output[0x07] = 0x04;
+ break;
+ case TYPE_2232C:
+ output[0x07] = 0x05;
+ break;
+ case TYPE_R:
+ output[0x07] = 0x06;
+ break;
+ case TYPE_2232H:
+ output[0x07] = 0x07;
+ break;
+ case TYPE_4232H:
+ output[0x07] = 0x08;
+ break;
+ case TYPE_232H:
+ output[0x07] = 0x09;
+ break;
+ default:
+ output[0x07] = 0x00;
+ }
+
+ // Addr 08: Config descriptor
+ // Bit 7: always 1
+ // Bit 6: 1 if this device is self powered, 0 if bus powered
+ // Bit 5: 1 if this device uses remote wakeup
+ // Bit 4-0: reserved - 0
+ j = 0x80;
+ if (eeprom->self_powered == 1)
+ j |= 0x40;
+ if (eeprom->remote_wakeup == 1)
+ j |= 0x20;
+ output[0x08] = j;
+
+ // Addr 09: Max power consumption: max power = value * 2 mA
+ output[0x09] = eeprom->max_power>>1;
+
+ if (ftdi->type != TYPE_AM)
+ {
+ // Addr 0A: Chip configuration
+ // Bit 7: 0 - reserved
+ // Bit 6: 0 - reserved
+ // Bit 5: 0 - reserved
+ // Bit 4: 1 - Change USB version
+ // Bit 3: 1 - Use the serial number string
+ // Bit 2: 1 - Enable suspend pull downs for lower power
+ // Bit 1: 1 - Out EndPoint is Isochronous
+ // Bit 0: 1 - In EndPoint is Isochronous
+ //
+ j = 0;
+ if (eeprom->in_is_isochronous == 1)
+ j = j | 1;
+ if (eeprom->out_is_isochronous == 1)
+ j = j | 2;
+ output[0x0A] = j;
+ }
+
+ // Dynamic content
+ // Strings start at 0x94 (TYPE_AM, TYPE_BM)
+ // 0x96 (TYPE_2232C), 0x98 (TYPE_R) and 0x9a (TYPE_x232H)
+ // 0xa0 (TYPE_232H)
+ i = 0;
+ switch (ftdi->type)
+ {
+ case TYPE_232H:
+ i += 2;
+ case TYPE_2232H:
+ case TYPE_4232H:
+ i += 2;
+ case TYPE_R:
+ i += 2;
+ case TYPE_2232C:
+ i += 2;
+ case TYPE_AM:
+ case TYPE_BM:
+ i += 0x94;
+ }
+ /* Wrap around 0x80 for 128 byte EEPROMS (Internale and 93x46) */
+ eeprom_size_mask = eeprom->size -1;
+
+ // Addr 0E: Offset of the manufacturer string + 0x80, calculated later
+ // Addr 0F: Length of manufacturer string
+ // Output manufacturer
+ output[0x0E] = i; // calculate offset
+ output[i & eeprom_size_mask] = manufacturer_size*2 + 2, i++;
+ output[i & eeprom_size_mask] = 0x03, i++; // type: string
+ for (j = 0; j < manufacturer_size; j++)
+ {
+ output[i & eeprom_size_mask] = eeprom->manufacturer[j], i++;
+ output[i & eeprom_size_mask] = 0x00, i++;
+ }
+ output[0x0F] = manufacturer_size*2 + 2;
+
+ // Addr 10: Offset of the product string + 0x80, calculated later
+ // Addr 11: Length of product string
+ output[0x10] = i | 0x80; // calculate offset
+ output[i & eeprom_size_mask] = product_size*2 + 2, i++;
+ output[i & eeprom_size_mask] = 0x03, i++;
+ for (j = 0; j < product_size; j++)
+ {
+ output[i & eeprom_size_mask] = eeprom->product[j], i++;
+ output[i & eeprom_size_mask] = 0x00, i++;
+ }
+ output[0x11] = product_size*2 + 2;
+
+ // Addr 12: Offset of the serial string + 0x80, calculated later
+ // Addr 13: Length of serial string
+ output[0x12] = i | 0x80; // calculate offset
+ output[i & eeprom_size_mask] = serial_size*2 + 2, i++;
+ output[i & eeprom_size_mask] = 0x03, i++;
+ for (j = 0; j < serial_size; j++)
+ {
+ output[i & eeprom_size_mask] = eeprom->serial[j], i++;
+ output[i & eeprom_size_mask] = 0x00, i++;
+ }
+
+ // Legacy port name and PnP fields for FT2232 and newer chips
+ if (ftdi->type > TYPE_BM)
+ {
+ output[i & eeprom_size_mask] = 0x02; /* as seen when written with
FTD2XX */
+ i++;
+ output[i & eeprom_size_mask] = 0x03; /* as seen when written with
FTD2XX */
+ i++;
+ output[i & eeprom_size_mask] = eeprom->is_not_pnp; /* as seen when
written with FTD2XX */
+ i++;
+ }
+
+ output[0x13] = serial_size*2 + 2;
+
+ if (ftdi->type > TYPE_AM) /* use_serial not used in AM devices */
+ {
+ if (eeprom->use_serial)
+ output[0x0A] |= USE_SERIAL_NUM;
+ else
+ output[0x0A] &= ~USE_SERIAL_NUM;
+ }
+
+ /* Bytes and Bits specific to (some) types
+ Write linear, as this allows easier fixing*/
+ switch (ftdi->type)
+ {
+ case TYPE_AM:
+ break;
+ case TYPE_BM:
+ output[0x0C] = eeprom->usb_version & 0xff;
+ output[0x0D] = (eeprom->usb_version>>8) & 0xff;
+ if (eeprom->use_usb_version == USE_USB_VERSION_BIT)
+ output[0x0A] |= USE_USB_VERSION_BIT;
+ else
+ output[0x0A] &= ~USE_USB_VERSION_BIT;
+
+ break;
+ case TYPE_2232C:
+
+ output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232C);
+ if ( eeprom->channel_a_driver == DRIVER_VCP)
+ output[0x00] |= DRIVER_VCP;
+ else
+ output[0x00] &= ~DRIVER_VCP;
+
+ if ( eeprom->high_current_a == HIGH_CURRENT_DRIVE)
+ output[0x00] |= HIGH_CURRENT_DRIVE;
+ else
+ output[0x00] &= ~HIGH_CURRENT_DRIVE;
+
+ output[0x01] = type2bit(eeprom->channel_b_type, TYPE_2232C);
+ if ( eeprom->channel_b_driver == DRIVER_VCP)
+ output[0x01] |= DRIVER_VCP;
+ else
+ output[0x01] &= ~DRIVER_VCP;
+
+ if ( eeprom->high_current_b == HIGH_CURRENT_DRIVE)
+ output[0x01] |= HIGH_CURRENT_DRIVE;
+ else
+ output[0x01] &= ~HIGH_CURRENT_DRIVE;
+
+ if (eeprom->in_is_isochronous == 1)
+ output[0x0A] |= 0x1;
+ else
+ output[0x0A] &= ~0x1;
+ if (eeprom->out_is_isochronous == 1)
+ output[0x0A] |= 0x2;
+ else
+ output[0x0A] &= ~0x2;
+ if (eeprom->suspend_pull_downs == 1)
+ output[0x0A] |= 0x4;
+ else
+ output[0x0A] &= ~0x4;
+ if (eeprom->use_usb_version == USE_USB_VERSION_BIT)
+ output[0x0A] |= USE_USB_VERSION_BIT;
+ else
+ output[0x0A] &= ~USE_USB_VERSION_BIT;
+
+ output[0x0C] = eeprom->usb_version & 0xff;
+ output[0x0D] = (eeprom->usb_version>>8) & 0xff;
+ output[0x14] = eeprom->chip;
+ break;
+ case TYPE_R:
+ if (eeprom->high_current == HIGH_CURRENT_DRIVE_R)
+ output[0x00] |= HIGH_CURRENT_DRIVE_R;
+ output[0x01] = 0x40; /* Hard coded Endpoint Size*/
+
+ if (eeprom->suspend_pull_downs == 1)
+ output[0x0A] |= 0x4;
+ else
+ output[0x0A] &= ~0x4;
+ output[0x0B] = eeprom->invert;
+ output[0x0C] = eeprom->usb_version & 0xff;
+ output[0x0D] = (eeprom->usb_version>>8) & 0xff;
+
+ if (eeprom->cbus_function[0] > CBUS_BB)
+ output[0x14] = CBUS_TXLED;
+ else
+ output[0x14] = eeprom->cbus_function[0];
+
+ if (eeprom->cbus_function[1] > CBUS_BB)
+ output[0x14] |= CBUS_RXLED<<4;
+ else
+ output[0x14] |= eeprom->cbus_function[1]<<4;
+
+ if (eeprom->cbus_function[2] > CBUS_BB)
+ output[0x15] = CBUS_TXDEN;
+ else
+ output[0x15] = eeprom->cbus_function[2];
+
+ if (eeprom->cbus_function[3] > CBUS_BB)
+ output[0x15] |= CBUS_PWREN<<4;
+ else
+ output[0x15] |= eeprom->cbus_function[3]<<4;
+
+ if (eeprom->cbus_function[4] > CBUS_CLK6)
+ output[0x16] = CBUS_SLEEP;
+ else
+ output[0x16] = eeprom->cbus_function[4];
+ break;
+ case TYPE_2232H:
+ output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232H);
+ if ( eeprom->channel_a_driver == DRIVER_VCP)
+ output[0x00] |= DRIVER_VCP;
+ else
+ output[0x00] &= ~DRIVER_VCP;
+
+ output[0x01] = type2bit(eeprom->channel_b_type, TYPE_2232H);
+ if ( eeprom->channel_b_driver == DRIVER_VCP)
+ output[0x01] |= DRIVER_VCP;
+ else
+ output[0x01] &= ~DRIVER_VCP;
+ if (eeprom->suspend_dbus7 == SUSPEND_DBUS7_BIT)
+ output[0x01] |= SUSPEND_DBUS7_BIT;
+ else
+ output[0x01] &= ~SUSPEND_DBUS7_BIT;
+
+ if (eeprom->suspend_pull_downs == 1)
+ output[0x0A] |= 0x4;
+ else
+ output[0x0A] &= ~0x4;
+
+ if (eeprom->group0_drive > DRIVE_16MA)
+ output[0x0c] |= DRIVE_16MA;
+ else
+ output[0x0c] |= eeprom->group0_drive;
+ if (eeprom->group0_schmitt == IS_SCHMITT)
+ output[0x0c] |= IS_SCHMITT;
+ if (eeprom->group0_slew == SLOW_SLEW)
+ output[0x0c] |= SLOW_SLEW;
+
+ if (eeprom->group1_drive > DRIVE_16MA)
+ output[0x0c] |= DRIVE_16MA<<4;
+ else
+ output[0x0c] |= eeprom->group1_drive<<4;
+ if (eeprom->group1_schmitt == IS_SCHMITT)
+ output[0x0c] |= IS_SCHMITT<<4;
+ if (eeprom->group1_slew == SLOW_SLEW)
+ output[0x0c] |= SLOW_SLEW<<4;
+
+ if (eeprom->group2_drive > DRIVE_16MA)
+ output[0x0d] |= DRIVE_16MA;
+ else
+ output[0x0d] |= eeprom->group2_drive;
+ if (eeprom->group2_schmitt == IS_SCHMITT)
+ output[0x0d] |= IS_SCHMITT;
+ if (eeprom->group2_slew == SLOW_SLEW)
+ output[0x0d] |= SLOW_SLEW;
+
+ if (eeprom->group3_drive > DRIVE_16MA)
+ output[0x0d] |= DRIVE_16MA<<4;
+ else
+ output[0x0d] |= eeprom->group3_drive<<4;
+ if (eeprom->group3_schmitt == IS_SCHMITT)
+ output[0x0d] |= IS_SCHMITT<<4;
+ if (eeprom->group3_slew == SLOW_SLEW)
+ output[0x0d] |= SLOW_SLEW<<4;
+
+ output[0x18] = eeprom->chip;
+
+ break;
+ case TYPE_4232H:
+ output[0x18] = eeprom->chip;
+ fprintf(stderr,"FIXME: Build FT4232H specific EEPROM settings\n");
+ break;
+ case TYPE_232H:
+ output[0x00] = type2bit(eeprom->channel_a_type, TYPE_232H);
+ if ( eeprom->channel_a_driver == DRIVER_VCP)
+ output[0x00] |= DRIVER_VCPH;
+ else
+ output[0x00] &= ~DRIVER_VCPH;
+ if (eeprom->powersave)
+ output[0x01] |= POWER_SAVE_DISABLE_H;
+ else
+ output[0x01] &= ~POWER_SAVE_DISABLE_H;
+ if (eeprom->clock_polarity)
+ output[0x01] |= FT1284_CLK_IDLE_STATE;
+ else
+ output[0x01] &= ~FT1284_CLK_IDLE_STATE;
+ if (eeprom->data_order)
+ output[0x01] |= FT1284_DATA_LSB;
+ else
+ output[0x01] &= ~FT1284_DATA_LSB;
+ if (eeprom->flow_control)
+ output[0x01] |= FT1284_FLOW_CONTROL;
+ else
+ output[0x01] &= ~FT1284_FLOW_CONTROL;
+ if (eeprom->group0_drive > DRIVE_16MA)
+ output[0x0c] |= DRIVE_16MA;
+ else
+ output[0x0c] |= eeprom->group0_drive;
+ if (eeprom->group0_schmitt == IS_SCHMITT)
+ output[0x0c] |= IS_SCHMITT;
+ if (eeprom->group0_slew == SLOW_SLEW)
+ output[0x0c] |= SLOW_SLEW;
+
+ if (eeprom->group1_drive > DRIVE_16MA)
+ output[0x0d] |= DRIVE_16MA;
+ else
+ output[0x0d] |= eeprom->group1_drive;
+ if (eeprom->group1_schmitt == IS_SCHMITT)
+ output[0x0d] |= IS_SCHMITT;
+ if (eeprom->group1_slew == SLOW_SLEW)
+ output[0x0d] |= SLOW_SLEW;
+
+ set_ft232h_cbus(eeprom, output);
+
+ output[0x1e] = eeprom->chip;
+ fprintf(stderr,"FIXME: Build FT232H specific EEPROM settings\n");
+ break;
+
+ }
+
+ // calculate checksum
+ checksum = 0xAAAA;
+
+ for (i = 0; i < eeprom->size/2-1; i++)
+ {
+ value = output[i*2];
+ value += output[(i*2)+1] << 8;
+
+ checksum = value^checksum;
+ checksum = (checksum << 1) | (checksum >> 15);
+ }
+
+ output[eeprom->size-2] = checksum;
+ output[eeprom->size-1] = checksum >> 8;
+
+ return user_area_size;
+}
+/* Decode the encoded EEPROM field for the FTDI Mode into a value for the
abstracted
+ * EEPROM structure
+ *
+ * FTD2XX doesn't allow to set multiple bits in the interface mode bitfield,
and so do we
+ */
+static unsigned char bit2type(unsigned char bits)
+{
+ switch (bits)
+ {
+ case 0: return CHANNEL_IS_UART;
+ case 1: return CHANNEL_IS_FIFO;
+ case 2: return CHANNEL_IS_OPTO;
+ case 4: return CHANNEL_IS_CPU;
+ case 8: return CHANNEL_IS_FT1284;
+ default:
+ fprintf(stderr," Unexpected value %d for Hardware Interface type\n",
+ bits);
+ }
+ return 0;
+}
+/**
+ Decode binary EEPROM image into an ftdi_eeprom structure.
+
+ \param ftdi pointer to ftdi_context
+ \param verbose Decode EEPROM on stdout
+
+ \retval 0: all fine
+ \retval -1: something went wrong
+
+ FIXME: How to pass size? How to handle size field in ftdi_eeprom?
+ FIXME: Strings are malloc'ed here and should be freed somewhere
+*/
+int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose)
+{
+ unsigned char i, j;
+ unsigned short checksum, eeprom_checksum, value;
+ unsigned char manufacturer_size = 0, product_size = 0, serial_size = 0;
+ int eeprom_size;
+ struct ftdi_eeprom *eeprom;
+ unsigned char *buf = ftdi->eeprom->buf;
+ int release;
+
+ if (ftdi == NULL)
+ eeprom_error_return(-1,"No context");
+ if (ftdi->eeprom == NULL)
+ eeprom_error_return(-1,"No eeprom structure");
+
+ eeprom = ftdi->eeprom;
+ eeprom_size = eeprom->size;
+
+ // Addr 02: Vendor ID
+ eeprom->vendor_id = buf[0x02] + (buf[0x03] << 8);
+
+ // Addr 04: Product ID
+ eeprom->product_id = buf[0x04] + (buf[0x05] << 8);
+
+ release = buf[0x06] + (buf[0x07]<<8);
+
+ // Addr 08: Config descriptor
+ // Bit 7: always 1
+ // Bit 6: 1 if this device is self powered, 0 if bus powered
+ // Bit 5: 1 if this device uses remote wakeup
+ eeprom->self_powered = buf[0x08] & 0x40;
+ eeprom->remote_wakeup = buf[0x08] & 0x20;
+
+ // Addr 09: Max power consumption: max power = value * 2 mA
+ eeprom->max_power = buf[0x09];
+
+ // Addr 0A: Chip configuration
+ // Bit 7: 0 - reserved
+ // Bit 6: 0 - reserved
+ // Bit 5: 0 - reserved
+ // Bit 4: 1 - Change USB version on BM and 2232C
+ // Bit 3: 1 - Use the serial number string
+ // Bit 2: 1 - Enable suspend pull downs for lower power
+ // Bit 1: 1 - Out EndPoint is Isochronous
+ // Bit 0: 1 - In EndPoint is Isochronous
+ //
+ eeprom->in_is_isochronous = buf[0x0A]&0x01;
+ eeprom->out_is_isochronous = buf[0x0A]&0x02;
+ eeprom->suspend_pull_downs = buf[0x0A]&0x04;
+ eeprom->use_serial = (buf[0x0A] & USE_SERIAL_NUM)?1:0;
+ eeprom->use_usb_version = buf[0x0A] & USE_USB_VERSION_BIT;
+
+ // Addr 0C: USB version low byte when 0x0A
+ // Addr 0D: USB version high byte when 0x0A
+ eeprom->usb_version = buf[0x0C] + (buf[0x0D] << 8);
+
+ // Addr 0E: Offset of the manufacturer string + 0x80, calculated later
+ // Addr 0F: Length of manufacturer string
+ manufacturer_size = buf[0x0F]/2;
+ if (eeprom->manufacturer)
+ free(eeprom->manufacturer);
+ if (manufacturer_size > 0)
+ {
+ eeprom->manufacturer = malloc(manufacturer_size);
+ if (eeprom->manufacturer)
+ {
+ // Decode manufacturer
+ i = buf[0x0E] & (eeprom_size -1); // offset
+ for (j=0;j<manufacturer_size-1;j++)
+ {
+ eeprom->manufacturer[j] = buf[2*j+i+2];
+ }
+ eeprom->manufacturer[j] = '\0';
+ }
+ }
+ else eeprom->manufacturer = NULL;
+
+ // Addr 10: Offset of the product string + 0x80, calculated later
+ // Addr 11: Length of product string
+ if (eeprom->product)
+ free(eeprom->product);
+ product_size = buf[0x11]/2;
+ if (product_size > 0)
+ {
+ eeprom->product = malloc(product_size);
+ if (eeprom->product)
+ {
+ // Decode product name
+ i = buf[0x10] & (eeprom_size -1); // offset
+ for (j=0;j<product_size-1;j++)
+ {
+ eeprom->product[j] = buf[2*j+i+2];
+ }
+ eeprom->product[j] = '\0';
+ }
+ }
+ else eeprom->product = NULL;
+
+ // Addr 12: Offset of the serial string + 0x80, calculated later
+ // Addr 13: Length of serial string
+ if (eeprom->serial)
+ free(eeprom->serial);
+ serial_size = buf[0x13]/2;
+ if (serial_size > 0)
+ {
+ eeprom->serial = malloc(serial_size);
+ if (eeprom->serial)
+ {
+ // Decode serial
+ i = buf[0x12] & (eeprom_size -1); // offset
+ for (j=0;j<serial_size-1;j++)
+ {
+ eeprom->serial[j] = buf[2*j+i+2];
+ }
+ eeprom->serial[j] = '\0';
+ }
+ }
+ else eeprom->serial = NULL;
+
+ // verify checksum
+ checksum = 0xAAAA;
+
+ for (i = 0; i < eeprom_size/2-1; i++)
+ {
+ value = buf[i*2];
+ value += buf[(i*2)+1] << 8;
+
+ checksum = value^checksum;
+ checksum = (checksum << 1) | (checksum >> 15);
+ }
+
+ eeprom_checksum = buf[eeprom_size-2] + (buf[eeprom_size-1] << 8);
+
+ if (eeprom_checksum != checksum)
+ {
+ fprintf(stderr, "Checksum Error: %04x %04x\n", checksum,
eeprom_checksum);
+ eeprom_error_return(-1,"EEPROM checksum error");
+ }
+
+ eeprom->channel_a_type = 0;
+ if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM))
+ {
+ eeprom->chip = -1;
+ }
+ else if (ftdi->type == TYPE_2232C)
+ {
+ eeprom->channel_a_type = bit2type(buf[0x00] & 0x7);
+ eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP;
+ eeprom->high_current_a = buf[0x00] & HIGH_CURRENT_DRIVE;
+ eeprom->channel_b_type = buf[0x01] & 0x7;
+ eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP;
+ eeprom->high_current_b = buf[0x01] & HIGH_CURRENT_DRIVE;
+ eeprom->chip = buf[0x14];
+ }
+ else if (ftdi->type == TYPE_R)
+ {
+ /* TYPE_R flags D2XX, not VCP as all others*/
+ eeprom->channel_a_driver = (~buf[0x00]) & DRIVER_VCP;
+ eeprom->high_current = buf[0x00] & HIGH_CURRENT_DRIVE_R;
+ if ( (buf[0x01]&0x40) != 0x40)
+ fprintf(stderr,
+ "TYPE_R EEPROM byte[0x01] Bit 6 unexpected Endpoint size."
+ " If this happened with the\n"
+ " EEPROM programmed by FTDI tools, please report "
+ "to libftdi@xxxxxxxxxxxxxxxxxxxxxxx\n");
+
+ eeprom->chip = buf[0x16];
+ // Addr 0B: Invert data lines
+ // Works only on FT232R, not FT245R, but no way to distinguish
+ eeprom->invert = buf[0x0B];
+ // Addr 14: CBUS function: CBUS0, CBUS1
+ // Addr 15: CBUS function: CBUS2, CBUS3
+ // Addr 16: CBUS function: CBUS5
+ eeprom->cbus_function[0] = buf[0x14] & 0x0f;
+ eeprom->cbus_function[1] = (buf[0x14] >> 4) & 0x0f;
+ eeprom->cbus_function[2] = buf[0x15] & 0x0f;
+ eeprom->cbus_function[3] = (buf[0x15] >> 4) & 0x0f;
+ eeprom->cbus_function[4] = buf[0x16] & 0x0f;
+ }
+ else if ((ftdi->type == TYPE_2232H) ||(ftdi->type == TYPE_4232H))
+ {
+ eeprom->channel_a_type = bit2type(buf[0x00] & 0x7);
+ eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP;
+ eeprom->channel_b_type = bit2type(buf[0x01] & 0x7);
+ eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP;
+
+ if (ftdi->type == TYPE_2232H)
+ eeprom->suspend_dbus7 = buf[0x01] & SUSPEND_DBUS7_BIT;
+
+ eeprom->chip = buf[0x18];
+ eeprom->group0_drive = buf[0x0c] & DRIVE_16MA;
+ eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT;
+ eeprom->group0_slew = buf[0x0c] & SLOW_SLEW;
+ eeprom->group1_drive = (buf[0x0c] >> 4) & 0x3;
+ eeprom->group1_schmitt = (buf[0x0c] >> 4) & IS_SCHMITT;
+ eeprom->group1_slew = (buf[0x0c] >> 4) & SLOW_SLEW;
+ eeprom->group2_drive = buf[0x0d] & DRIVE_16MA;
+ eeprom->group2_schmitt = buf[0x0d] & IS_SCHMITT;
+ eeprom->group2_slew = buf[0x0d] & SLOW_SLEW;
+ eeprom->group3_drive = (buf[0x0d] >> 4) & DRIVE_16MA;
+ eeprom->group3_schmitt = (buf[0x0d] >> 4) & IS_SCHMITT;
+ eeprom->group3_slew = (buf[0x0d] >> 4) & SLOW_SLEW;
+ }
+ else if (ftdi->type == TYPE_232H)
+ {
+ int i;
+
+ eeprom->channel_a_type = buf[0x00] & 0xf;
+ eeprom->channel_a_driver = (buf[0x00] & DRIVER_VCPH)?DRIVER_VCP:0;
+ eeprom->clock_polarity = buf[0x01] & FT1284_CLK_IDLE_STATE;
+ eeprom->data_order = buf[0x01] & FT1284_DATA_LSB;
+ eeprom->flow_control = buf[0x01] & FT1284_FLOW_CONTROL;
+ eeprom->powersave = buf[0x01] & POWER_SAVE_DISABLE_H;
+ eeprom->group0_drive = buf[0x0c] & DRIVE_16MA;
+ eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT;
+ eeprom->group0_slew = buf[0x0c] & SLOW_SLEW;
+ eeprom->group1_drive = buf[0x0d] & DRIVE_16MA;
+ eeprom->group1_schmitt = buf[0x0d] & IS_SCHMITT;
+ eeprom->group1_slew = buf[0x0d] & SLOW_SLEW;
+
+ for(i=0; i<5; i++)
+ {
+ eeprom->cbus_function[2*i ] = buf[0x18+i] & 0x0f;
+ eeprom->cbus_function[2*i+1] = (buf[0x18+i] >> 4) & 0x0f;
+ }
+ eeprom->chip = buf[0x1e];
+ /*FIXME: Decipher more values*/
+ }
+
+ if (verbose)
+ {
+ char *channel_mode[] = {"UART", "FIFO", "CPU", "OPTO", "FT1284"};
+ fprintf(stdout, "VID: 0x%04x\n",eeprom->vendor_id);
+ fprintf(stdout, "PID: 0x%04x\n",eeprom->product_id);
+ fprintf(stdout, "Release: 0x%04x\n",release);
+
+ if (eeprom->self_powered)
+ fprintf(stdout, "Self-Powered%s", (eeprom->remote_wakeup)?", USB
Remote Wake Up\n":"\n");
+ else
+ fprintf(stdout, "Bus Powered: %3d mA%s", eeprom->max_power * 2,
+ (eeprom->remote_wakeup)?" USB Remote Wake Up\n":"\n");
+ if (eeprom->manufacturer)
+ fprintf(stdout, "Manufacturer: %s\n",eeprom->manufacturer);
+ if (eeprom->product)
+ fprintf(stdout, "Product: %s\n",eeprom->product);
+ if (eeprom->serial)
+ fprintf(stdout, "Serial: %s\n",eeprom->serial);
+ fprintf(stdout, "Checksum : %04x\n", checksum);
+ if (ftdi->type == TYPE_R)
+ fprintf(stdout, "Internal EEPROM\n");
+ else if (eeprom->chip >= 0x46)
+ fprintf(stdout, "Attached EEPROM: 93x%02x\n", eeprom->chip);
+ if (eeprom->suspend_dbus7)
+ fprintf(stdout, "Suspend on DBUS7\n");
+ if (eeprom->suspend_pull_downs)
+ fprintf(stdout, "Pull IO pins low during suspend\n");
+ if(eeprom->powersave)
+ {
+ if(ftdi->type >= TYPE_232H)
+ fprintf(stdout,"Enter low power state on ACBUS7\n");
+ }
+ if (eeprom->remote_wakeup)
+ fprintf(stdout, "Enable Remote Wake Up\n");
+ fprintf(stdout, "PNP: %d\n",(eeprom->is_not_pnp)?0:1);
+ if (ftdi->type >= TYPE_2232C)
+ fprintf(stdout,"Channel A has Mode %s%s%s\n",
+ channel_mode[eeprom->channel_a_type],
+ (eeprom->channel_a_driver)?" VCP":"",
+ (eeprom->high_current_a)?" High Current IO":"");
+ if (ftdi->type >= TYPE_232H)
+ {
+ fprintf(stdout,"FT1284 Mode Clock is idle %s, %s first, %sFlow
Control\n",
+ (eeprom->clock_polarity)?"HIGH":"LOW",
+ (eeprom->data_order)?"LSB":"MSB",
+ (eeprom->flow_control)?"":"No ");
+ }
+ if ((ftdi->type >= TYPE_2232C) && (ftdi->type != TYPE_R) &&
(ftdi->type != TYPE_232H))
+ fprintf(stdout,"Channel B has Mode %s%s%s\n",
+ channel_mode[eeprom->channel_b_type],
+ (eeprom->channel_b_driver)?" VCP":"",
+ (eeprom->high_current_b)?" High Current IO":"");
+ if (((ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C)) &&
+ eeprom->use_usb_version == USE_USB_VERSION_BIT)
+ fprintf(stdout,"Use explicit USB Version
%04x\n",eeprom->usb_version);
+
+ if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H))
+ {
+ fprintf(stdout,"%s has %d mA drive%s%s\n",
+ (ftdi->type == TYPE_2232H)?"AL":"A",
+ (eeprom->group0_drive+1) *4,
+ (eeprom->group0_schmitt)?" Schmitt Input":"",
+ (eeprom->group0_slew)?" Slow Slew":"");
+ fprintf(stdout,"%s has %d mA drive%s%s\n",
+ (ftdi->type == TYPE_2232H)?"AH":"B",
+ (eeprom->group1_drive+1) *4,
+ (eeprom->group1_schmitt)?" Schmitt Input":"",
+ (eeprom->group1_slew)?" Slow Slew":"");
+ fprintf(stdout,"%s has %d mA drive%s%s\n",
+ (ftdi->type == TYPE_2232H)?"BL":"C",
+ (eeprom->group2_drive+1) *4,
+ (eeprom->group2_schmitt)?" Schmitt Input":"",
+ (eeprom->group2_slew)?" Slow Slew":"");
+ fprintf(stdout,"%s has %d mA drive%s%s\n",
+ (ftdi->type == TYPE_2232H)?"BH":"D",
+ (eeprom->group3_drive+1) *4,
+ (eeprom->group3_schmitt)?" Schmitt Input":"",
+ (eeprom->group3_slew)?" Slow Slew":"");
+ }
+ else if (ftdi->type == TYPE_232H)
+ {
+ int i;
+ char *cbush_mux[] = {"TRISTATE","RXLED","TXLED", "TXRXLED","PWREN",
+ "SLEEP","DRIVE_0","DRIVE_1","IOMODE","TXDEN",
+ "CLK30","CLK15","CLK7_5"
+ };
+ fprintf(stdout,"ACBUS has %d mA drive%s%s\n",
+ (eeprom->group0_drive+1) *4,
+ (eeprom->group0_schmitt)?" Schmitt Input":"",
+ (eeprom->group0_slew)?" Slow Slew":"");
+ fprintf(stdout,"ADBUS has %d mA drive%s%s\n",
+ (eeprom->group1_drive+1) *4,
+ (eeprom->group1_schmitt)?" Schmitt Input":"",
+ (eeprom->group1_slew)?" Slow Slew":"");
+ for (i=0; i<10; i++)
+ {
+ if (eeprom->cbus_function[i]<= CBUSH_CLK7_5 )
+ fprintf(stdout,"C%d Function: %s\n", i,
+ cbush_mux[eeprom->cbus_function[i]]);
+ }
+
+ }
+
+ if (ftdi->type == TYPE_R)
+ {
+ char *cbus_mux[] = {"TXDEN","PWREN","RXLED", "TXLED","TX+RXLED",
+ "SLEEP","CLK48","CLK24","CLK12","CLK6",
+ "IOMODE","BB_WR","BB_RD"
+ };
+ char *cbus_BB[] = {"RXF","TXE","RD", "WR"};
+
+ if (eeprom->invert)
+ {
+ char *r_bits[] = {"TXD","RXD","RTS",
"CTS","DTR","DSR","DCD","RI"};
+ fprintf(stdout,"Inverted bits:");
+ for (i=0; i<8; i++)
+ if ((eeprom->invert & (1<<i)) == (1<<i))
+ fprintf(stdout," %s",r_bits[i]);
+ fprintf(stdout,"\n");
+ }
+ for (i=0; i<5; i++)
+ {
+ if (eeprom->cbus_function[i]<CBUS_BB)
+ fprintf(stdout,"C%d Function: %s\n", i,
+ cbus_mux[eeprom->cbus_function[i]]);
+ else
+ {
+ if (i < 4)
+ /* Running MPROG show that C0..3 have fixed function
Synchronous
+ Bit Bang mode */
+ fprintf(stdout,"C%d BB Function: %s\n", i,
+ cbus_BB[i]);
+ else
+ fprintf(stdout, "Unknown CBUS mode. Might be special
mode?\n");
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+/**
+ Get a value from the decoded EEPROM structure
+
+ \param ftdi pointer to ftdi_context
+ \param value_name Enum of the value to query
+ \param value Pointer to store read value
+
+ \retval 0: all fine
+ \retval -1: Value doesn't exist
+*/
+int ftdi_get_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value
value_name, int* value)
+{
+ switch (value_name)
+ {
+ case VENDOR_ID:
+ *value = ftdi->eeprom->vendor_id;
+ break;
+ case PRODUCT_ID:
+ *value = ftdi->eeprom->product_id;
+ break;
+ case SELF_POWERED:
+ *value = ftdi->eeprom->self_powered;
+ break;
+ case REMOTE_WAKEUP:
+ *value = ftdi->eeprom->remote_wakeup;
+ break;
+ case IS_NOT_PNP:
+ *value = ftdi->eeprom->is_not_pnp;
+ break;
+ case SUSPEND_DBUS7:
+ *value = ftdi->eeprom->suspend_dbus7;
+ break;
+ case IN_IS_ISOCHRONOUS:
+ *value = ftdi->eeprom->in_is_isochronous;
+ break;
+ case OUT_IS_ISOCHRONOUS:
+ *value = ftdi->eeprom->out_is_isochronous;
+ break;
+ case SUSPEND_PULL_DOWNS:
+ *value = ftdi->eeprom->suspend_pull_downs;
+ break;
+ case USE_SERIAL:
+ *value = ftdi->eeprom->use_serial;
+ break;
+ case USB_VERSION:
+ *value = ftdi->eeprom->usb_version;
+ break;
+ case USE_USB_VERSION:
+ *value = ftdi->eeprom->use_usb_version;
+ break;
+ case MAX_POWER:
+ *value = ftdi->eeprom->max_power;
+ break;
+ case CHANNEL_A_TYPE:
+ *value = ftdi->eeprom->channel_a_type;
+ break;
+ case CHANNEL_B_TYPE:
+ *value = ftdi->eeprom->channel_b_type;
+ break;
+ case CHANNEL_A_DRIVER:
+ *value = ftdi->eeprom->channel_a_driver;
+ break;
+ case CHANNEL_B_DRIVER:
+ *value = ftdi->eeprom->channel_b_driver;
+ break;
+ case CBUS_FUNCTION_0:
+ *value = ftdi->eeprom->cbus_function[0];
+ break;
+ case CBUS_FUNCTION_1:
+ *value = ftdi->eeprom->cbus_function[1];
+ break;
+ case CBUS_FUNCTION_2:
+ *value = ftdi->eeprom->cbus_function[2];
+ break;
+ case CBUS_FUNCTION_3:
+ *value = ftdi->eeprom->cbus_function[3];
+ break;
+ case CBUS_FUNCTION_4:
+ *value = ftdi->eeprom->cbus_function[4];
+ break;
+ case CBUS_FUNCTION_5:
+ *value = ftdi->eeprom->cbus_function[5];
+ break;
+ case CBUS_FUNCTION_6:
+ *value = ftdi->eeprom->cbus_function[6];
+ break;
+ case CBUS_FUNCTION_7:
+ *value = ftdi->eeprom->cbus_function[7];
+ break;
+ case CBUS_FUNCTION_8:
+ *value = ftdi->eeprom->cbus_function[8];
+ break;
+ case CBUS_FUNCTION_9:
+ *value = ftdi->eeprom->cbus_function[8];
+ break;
+ case HIGH_CURRENT:
+ *value = ftdi->eeprom->high_current;
+ break;
+ case HIGH_CURRENT_A:
+ *value = ftdi->eeprom->high_current_a;
+ break;
+ case HIGH_CURRENT_B:
+ *value = ftdi->eeprom->high_current_b;
+ break;
+ case INVERT:
+ *value = ftdi->eeprom->invert;
+ break;
+ case GROUP0_DRIVE:
+ *value = ftdi->eeprom->group0_drive;
+ break;
+ case GROUP0_SCHMITT:
+ *value = ftdi->eeprom->group0_schmitt;
+ break;
+ case GROUP0_SLEW:
+ *value = ftdi->eeprom->group0_slew;
+ break;
+ case GROUP1_DRIVE:
+ *value = ftdi->eeprom->group1_drive;
+ break;
+ case GROUP1_SCHMITT:
+ *value = ftdi->eeprom->group1_schmitt;
+ break;
+ case GROUP1_SLEW:
+ *value = ftdi->eeprom->group1_slew;
+ break;
+ case GROUP2_DRIVE:
+ *value = ftdi->eeprom->group2_drive;
+ break;
+ case GROUP2_SCHMITT:
+ *value = ftdi->eeprom->group2_schmitt;
+ break;
+ case GROUP2_SLEW:
+ *value = ftdi->eeprom->group2_slew;
+ break;
+ case GROUP3_DRIVE:
+ *value = ftdi->eeprom->group3_drive;
+ break;
+ case GROUP3_SCHMITT:
+ *value = ftdi->eeprom->group3_schmitt;
+ break;
+ case GROUP3_SLEW:
+ *value = ftdi->eeprom->group3_slew;
+ break;
+ case POWER_SAVE:
+ *value = ftdi->eeprom->powersave;
+ break;
+ case CLOCK_POLARITY:
+ *value = ftdi->eeprom->clock_polarity;
+ break;
+ case DATA_ORDER:
+ *value = ftdi->eeprom->data_order;
+ break;
+ case FLOW_CONTROL:
+ *value = ftdi->eeprom->flow_control;
+ break;
+ case CHIP_TYPE:
+ *value = ftdi->eeprom->chip;
+ break;
+ case CHIP_SIZE:
+ *value = ftdi->eeprom->size;
+ break;
+ default:
+ eeprom_error_return(-1, "Request for unknown EEPROM value");
+ }
+ return 0;
+}
+
+/**
+ Set a value in the decoded EEPROM Structure
+ No parameter checking is performed
+
+ \param ftdi pointer to ftdi_context
+ \param value_name Enum of the value to set
+ \param value to set
+
+ \retval 0: all fine
+ \retval -1: Value doesn't exist
+ \retval -2: Value not user settable
+*/
+int ftdi_set_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value
value_name, int value)
+{
+ switch (value_name)
+ {
+ case VENDOR_ID:
+ ftdi->eeprom->vendor_id = value;
+ break;
+ case PRODUCT_ID:
+ ftdi->eeprom->product_id = value;
+ break;
+ case SELF_POWERED:
+ ftdi->eeprom->self_powered = value;
+ break;
+ case REMOTE_WAKEUP:
+ ftdi->eeprom->remote_wakeup = value;
+ break;
+ case IS_NOT_PNP:
+ ftdi->eeprom->is_not_pnp = value;
+ break;
+ case SUSPEND_DBUS7:
+ ftdi->eeprom->suspend_dbus7 = value;
+ break;
+ case IN_IS_ISOCHRONOUS:
+ ftdi->eeprom->in_is_isochronous = value;
+ break;
+ case OUT_IS_ISOCHRONOUS:
+ ftdi->eeprom->out_is_isochronous = value;
+ break;
+ case SUSPEND_PULL_DOWNS:
+ ftdi->eeprom->suspend_pull_downs = value;
+ break;
+ case USE_SERIAL:
+ ftdi->eeprom->use_serial = value;
+ break;
+ case USB_VERSION:
+ ftdi->eeprom->usb_version = value;
+ break;
+ case USE_USB_VERSION:
+ ftdi->eeprom->use_usb_version = value;
+ break;
+ case MAX_POWER:
+ ftdi->eeprom->max_power = value;
+ break;
+ case CHANNEL_A_TYPE:
+ ftdi->eeprom->channel_a_type = value;
+ break;
+ case CHANNEL_B_TYPE:
+ ftdi->eeprom->channel_b_type = value;
+ break;
+ case CHANNEL_A_DRIVER:
+ ftdi->eeprom->channel_a_driver = value;
+ break;
+ case CHANNEL_B_DRIVER:
+ ftdi->eeprom->channel_b_driver = value;
+ break;
+ case CBUS_FUNCTION_0:
+ ftdi->eeprom->cbus_function[0] = value;
+ break;
+ case CBUS_FUNCTION_1:
+ ftdi->eeprom->cbus_function[1] = value;
+ break;
+ case CBUS_FUNCTION_2:
+ ftdi->eeprom->cbus_function[2] = value;
+ break;
+ case CBUS_FUNCTION_3:
+ ftdi->eeprom->cbus_function[3] = value;
+ break;
+ case CBUS_FUNCTION_4:
+ ftdi->eeprom->cbus_function[4] = value;
+ break;
+ case CBUS_FUNCTION_5:
+ ftdi->eeprom->cbus_function[5] = value;
+ break;
+ case CBUS_FUNCTION_6:
+ ftdi->eeprom->cbus_function[6] = value;
+ break;
+ case CBUS_FUNCTION_7:
+ ftdi->eeprom->cbus_function[7] = value;
+ break;
+ case CBUS_FUNCTION_8:
+ ftdi->eeprom->cbus_function[8] = value;
+ break;
+ case CBUS_FUNCTION_9:
+ ftdi->eeprom->cbus_function[9] = value;
+ break;
+ case HIGH_CURRENT:
+ ftdi->eeprom->high_current = value;
+ break;
+ case HIGH_CURRENT_A:
+ ftdi->eeprom->high_current_a = value;
+ break;
+ case HIGH_CURRENT_B:
+ ftdi->eeprom->high_current_b = value;
+ break;
+ case INVERT:
+ ftdi->eeprom->invert = value;
+ break;
+ case GROUP0_DRIVE:
+ ftdi->eeprom->group0_drive = value;
+ break;
+ case GROUP0_SCHMITT:
+ ftdi->eeprom->group0_schmitt = value;
+ break;
+ case GROUP0_SLEW:
+ ftdi->eeprom->group0_slew = value;
+ break;
+ case GROUP1_DRIVE:
+ ftdi->eeprom->group1_drive = value;
+ break;
+ case GROUP1_SCHMITT:
+ ftdi->eeprom->group1_schmitt = value;
+ break;
+ case GROUP1_SLEW:
+ ftdi->eeprom->group1_slew = value;
+ break;
+ case GROUP2_DRIVE:
+ ftdi->eeprom->group2_drive = value;
+ break;
+ case GROUP2_SCHMITT:
+ ftdi->eeprom->group2_schmitt = value;
+ break;
+ case GROUP2_SLEW:
+ ftdi->eeprom->group2_slew = value;
+ break;
+ case GROUP3_DRIVE:
+ ftdi->eeprom->group3_drive = value;
+ break;
+ case GROUP3_SCHMITT:
+ ftdi->eeprom->group3_schmitt = value;
+ break;
+ case GROUP3_SLEW:
+ ftdi->eeprom->group3_slew = value;
+ break;
+ case CHIP_TYPE:
+ ftdi->eeprom->chip = value;
+ break;
+ case POWER_SAVE:
+ ftdi->eeprom->powersave = value;
+ break;
+ case CLOCK_POLARITY:
+ ftdi->eeprom->clock_polarity = value;
+ break;
+ case DATA_ORDER:
+ ftdi->eeprom->data_order = value;
+ break;
+ case FLOW_CONTROL:
+ ftdi->eeprom->flow_control = value;
+ break;
+ case CHIP_SIZE:
+ eeprom_error_return(-2, "EEPROM Value can't be changed");
+ default :
+ eeprom_error_return(-1, "Request to unknown EEPROM value");
+ }
+ return 0;
+}
+
+/** Get the read-only buffer to the binary EEPROM content
+
+ \param ftdi pointer to ftdi_context
+ \param buf buffer to receive EEPROM content
+ \param size Size of receiving buffer
+
+ \retval 0: All fine
+ \retval -1: struct ftdi_contxt or ftdi_eeprom missing
+ \retval -2: Not enough room to store eeprom
+*/
+int ftdi_get_eeprom_buf(struct ftdi_context *ftdi, unsigned char * buf, int
size)
+{
+ if (!ftdi || !(ftdi->eeprom))
+ eeprom_error_return(-1, "No appropriate structure");
+
+ if (!buf || size < ftdi->eeprom->size)
+ eeprom_error_return(-1, "Not enough room to store eeprom");
+
+ // Only copy up to FTDI_MAX_EEPROM_SIZE bytes
+ if (size > FTDI_MAX_EEPROM_SIZE)
+ size = FTDI_MAX_EEPROM_SIZE;
+
+ memcpy(buf, ftdi->eeprom->buf, size);
+
+ return 0;
+}
+
+/** Set the EEPROM content from the user-supplied prefilled buffer
+
+ \param ftdi pointer to ftdi_context
+ \param buf buffer to read EEPROM content
+ \param size Size of buffer
+
+ \retval 0: All fine
+ \retval -1: struct ftdi_contxt or ftdi_eeprom of buf missing
+*/
+int ftdi_set_eeprom_buf(struct ftdi_context *ftdi, const unsigned char * buf,
int size)
+{
+ if (!ftdi || !(ftdi->eeprom) || !buf)
+ eeprom_error_return(-1, "No appropriate structure");
+
+ // Only copy up to FTDI_MAX_EEPROM_SIZE bytes
+ if (size > FTDI_MAX_EEPROM_SIZE)
+ size = FTDI_MAX_EEPROM_SIZE;
+
+ memcpy(ftdi->eeprom->buf, buf, size);
+
+ return 0;
+}
+
+/**
+ Read eeprom location
+
+ \param ftdi pointer to ftdi_context
+ \param eeprom_addr Address of eeprom location to be read
+ \param eeprom_val Pointer to store read eeprom location
+
+ \retval 0: all fine
+ \retval -1: read failed
+ \retval -2: USB device unavailable
+*/
+int ftdi_read_eeprom_location (struct ftdi_context *ftdi, int eeprom_addr,
unsigned short *eeprom_val)
+{
+ if (ftdi == NULL || ftdi->usb_dev == NULL)
+ eeprom_error_return(-2, "USB device unavailable");
+
+ if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE,
SIO_READ_EEPROM_REQUEST, 0, eeprom_addr, (unsigned char *)eeprom_val, 2,
ftdi->usb_read_timeout) != 2)
+ eeprom_error_return(-1, "reading eeprom failed");
+
+ return 0;
+}
+
+/**
+ Read eeprom
+
+ \param ftdi pointer to ftdi_context
+
+ \retval 0: all fine
+ \retval -1: read failed
+ \retval -2: USB device unavailable
+*/
+int ftdi_read_eeprom(struct ftdi_context *ftdi)
+{
+ int i;
+ unsigned char *buf;
+
+ if (ftdi == NULL || ftdi->usb_dev == NULL)
+ eeprom_error_return(-2, "USB device unavailable");
+ buf = ftdi->eeprom->buf;
+
+ for (i = 0; i < FTDI_MAX_EEPROM_SIZE/2; i++)
+ {
+ if (libusb_control_transfer(
+ ftdi->usb_dev,
FTDI_DEVICE_IN_REQTYPE,SIO_READ_EEPROM_REQUEST, 0, i,
+ buf+(i*2), 2, ftdi->usb_read_timeout) != 2)
+ eeprom_error_return(-1, "reading eeprom failed");
+ }
+
+ if (ftdi->type == TYPE_R)
+ ftdi->eeprom->size = 0x80;
+ /* Guesses size of eeprom by comparing halves
+ - will not work with blank eeprom */
+ else if (strrchr((const char *)buf, 0xff) == ((const char *)buf
+FTDI_MAX_EEPROM_SIZE -1))
+ ftdi->eeprom->size = -1;
+ else if (memcmp(buf,&buf[0x80],0x80) == 0)
+ ftdi->eeprom->size = 0x80;
+ else if (memcmp(buf,&buf[0x40],0x40) == 0)
+ ftdi->eeprom->size = 0x40;
+ else
+ ftdi->eeprom->size = 0x100;
+ return 0;
+}
+
diff --git a/src/ftdi.c b/src/ftdi.c
index 476125c..798f179 100644
--- a/src/ftdi.c
+++ b/src/ftdi.c
@@ -2278,1490 +2278,6 @@ int ftdi_set_error_char(struct ftdi_context *ftdi,
return 0;
}
-/**
- Init eeprom with default values for the connected device
- \param ftdi pointer to ftdi_context
- \param manufacturer String to use as Manufacturer
- \param product String to use as Product description
- \param serial String to use as Serial number description
-
- \retval 0: all fine
- \retval -1: No struct ftdi_context
- \retval -2: No struct ftdi_eeprom
- \retval -3: No connected device or device not yet opened
-*/
-int ftdi_eeprom_initdefaults(struct ftdi_context *ftdi, char * manufacturer,
- char * product, char * serial)
-{
- struct ftdi_eeprom *eeprom;
-
- if (ftdi == NULL)
- ftdi_error_return(-1, "No struct ftdi_context");
-
- if (ftdi->eeprom == NULL)
- ftdi_error_return(-2,"No struct ftdi_eeprom");
-
- eeprom = ftdi->eeprom;
- memset(eeprom, 0, sizeof(struct ftdi_eeprom));
-
- if (ftdi->usb_dev == NULL)
- ftdi_error_return(-3, "No connected device or device not yet opened");
-
- eeprom->vendor_id = 0x0403;
- eeprom->use_serial = 1;
- if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM) ||
- (ftdi->type == TYPE_R))
- eeprom->product_id = 0x6001;
- else if (ftdi->type == TYPE_4232H)
- eeprom->product_id = 0x6011;
- else if (ftdi->type == TYPE_232H)
- eeprom->product_id = 0x6014;
- else
- eeprom->product_id = 0x6010;
- if (ftdi->type == TYPE_AM)
- eeprom->usb_version = 0x0101;
- else
- eeprom->usb_version = 0x0200;
- eeprom->max_power = 100;
-
- if (eeprom->manufacturer)
- free (eeprom->manufacturer);
- eeprom->manufacturer = NULL;
- if (manufacturer)
- {
- eeprom->manufacturer = malloc(strlen(manufacturer)+1);
- if (eeprom->manufacturer)
- strcpy(eeprom->manufacturer, manufacturer);
- }
-
- if (eeprom->product)
- free (eeprom->product);
- eeprom->product = NULL;
- if(product)
- {
- eeprom->product = malloc(strlen(product)+1);
- if (eeprom->product)
- strcpy(eeprom->product, product);
- }
- else
- {
- const char* default_product;
- switch(ftdi->type)
- {
- case TYPE_AM: default_product = "AM"; break;
- case TYPE_BM: default_product = "BM"; break;
- case TYPE_2232C: default_product = "Dual RS232"; break;
- case TYPE_R: default_product = "FT232R USB UART"; break;
- case TYPE_2232H: default_product = "Dual RS232-HS"; break;
- case TYPE_4232H: default_product = "FT4232H"; break;
- case TYPE_232H: default_product = "Single-RS232-HS"; break;
- default:
- ftdi_error_return(-3, "Unknown chip type");
- }
- eeprom->product = malloc(strlen(default_product) +1);
- if (eeprom->product)
- strcpy(eeprom->product, default_product);
- }
-
- if (eeprom->serial)
- free (eeprom->serial);
- eeprom->serial = NULL;
- if (serial)
- {
- eeprom->serial = malloc(strlen(serial)+1);
- if (eeprom->serial)
- strcpy(eeprom->serial, serial);
- }
-
-
- if (ftdi->type == TYPE_R)
- {
- eeprom->max_power = 90;
- eeprom->size = 0x80;
- eeprom->cbus_function[0] = CBUS_TXLED;
- eeprom->cbus_function[1] = CBUS_RXLED;
- eeprom->cbus_function[2] = CBUS_TXDEN;
- eeprom->cbus_function[3] = CBUS_PWREN;
- eeprom->cbus_function[4] = CBUS_SLEEP;
- }
- else
- {
- if(ftdi->type == TYPE_232H)
- {
- int i;
- for (i=0; i<10; i++)
- eeprom->cbus_function[i] = CBUSH_TRISTATE;
- }
- eeprom->size = -1;
- }
- eeprom->initialized_for_connected_device = 1;
- return 0;
-}
-/*FTD2XX doesn't check for values not fitting in the ACBUS Signal oprtions*/
-void set_ft232h_cbus(struct ftdi_eeprom *eeprom, unsigned char * output)
-{
- int i;
- for(i=0; i<5;i++)
- {
- int mode_low, mode_high;
- if (eeprom->cbus_function[2*i]> CBUSH_CLK7_5)
- mode_low = CBUSH_TRISTATE;
- else
- mode_low = eeprom->cbus_function[2*i];
- if (eeprom->cbus_function[2*i+1]> CBUSH_CLK7_5)
- mode_high = CBUSH_TRISTATE;
- else
- mode_high = eeprom->cbus_function[2*i];
-
- output[0x18+i] = mode_high <<4 | mode_low;
- }
-}
-/* Return the bits for the encoded EEPROM Structure of a requested Mode
- *
- */
-static unsigned char type2bit(unsigned char type, enum ftdi_chip_type chip)
-{
- switch (chip)
- {
- case TYPE_2232H:
- case TYPE_2232C:
- {
- switch (type)
- {
- case CHANNEL_IS_UART: return 0;
- case CHANNEL_IS_FIFO: return 0x01;
- case CHANNEL_IS_OPTO: return 0x02;
- case CHANNEL_IS_CPU : return 0x04;
- default: return 0;
- }
- }
- case TYPE_232H:
- {
- switch (type)
- {
- case CHANNEL_IS_UART : return 0;
- case CHANNEL_IS_FIFO : return 0x01;
- case CHANNEL_IS_OPTO : return 0x02;
- case CHANNEL_IS_CPU : return 0x04;
- case CHANNEL_IS_FT1284 : return 0x08;
- default: return 0;
- }
- }
- default: return 0;
- }
- return 0;
-}
-
-/**
- Build binary buffer from ftdi_eeprom structure.
- Output is suitable for ftdi_write_eeprom().
-
- \param ftdi pointer to ftdi_context
-
- \retval >=0: size of eeprom user area in bytes
- \retval -1: eeprom size (128 bytes) exceeded by custom strings
- \retval -2: Invalid eeprom or ftdi pointer
- \retval -3: Invalid cbus function setting (FIXME: Not in the code?)
- \retval -4: Chip doesn't support invert (FIXME: Not in the code?)
- \retval -5: Chip doesn't support high current drive (FIXME: Not in
the code?)
- \retval -6: No connected EEPROM or EEPROM Type unknown
-*/
-int ftdi_eeprom_build(struct ftdi_context *ftdi)
-{
- unsigned char i, j, eeprom_size_mask;
- unsigned short checksum, value;
- unsigned char manufacturer_size = 0, product_size = 0, serial_size = 0;
- int user_area_size;
- struct ftdi_eeprom *eeprom;
- unsigned char * output;
-
- if (ftdi == NULL)
- ftdi_error_return(-2,"No context");
- if (ftdi->eeprom == NULL)
- ftdi_error_return(-2,"No eeprom structure");
-
- eeprom= ftdi->eeprom;
- output = eeprom->buf;
-
- if (eeprom->chip == -1)
- ftdi_error_return(-6,"No connected EEPROM or EEPROM type unknown");
-
- if ((eeprom->chip == 0x56) || (eeprom->chip == 0x66))
- eeprom->size = 0x100;
- else
- eeprom->size = 0x80;
-
- if (eeprom->manufacturer != NULL)
- manufacturer_size = strlen(eeprom->manufacturer);
- if (eeprom->product != NULL)
- product_size = strlen(eeprom->product);
- if (eeprom->serial != NULL)
- serial_size = strlen(eeprom->serial);
-
- // eeprom size check
- switch (ftdi->type)
- {
- case TYPE_AM:
- case TYPE_BM:
- user_area_size = 96; // base size for strings (total of 48
characters)
- break;
- case TYPE_2232C:
- user_area_size = 90; // two extra config bytes and 4 bytes PnP
stuff
- break;
- case TYPE_R:
- user_area_size = 88; // four extra config bytes + 4 bytes PnP
stuff
- break;
- case TYPE_2232H: // six extra config bytes + 4 bytes PnP
stuff
- case TYPE_4232H:
- user_area_size = 86;
- break;
- case TYPE_232H:
- user_area_size = 80;
- break;
- default:
- user_area_size = 0;
- break;
- }
- user_area_size -= (manufacturer_size + product_size + serial_size) * 2;
-
- if (user_area_size < 0)
- ftdi_error_return(-1,"eeprom size exceeded");
-
- // empty eeprom
- memset (ftdi->eeprom->buf, 0, FTDI_MAX_EEPROM_SIZE);
-
- // Bytes and Bits set for all Types
-
- // Addr 02: Vendor ID
- output[0x02] = eeprom->vendor_id;
- output[0x03] = eeprom->vendor_id >> 8;
-
- // Addr 04: Product ID
- output[0x04] = eeprom->product_id;
- output[0x05] = eeprom->product_id >> 8;
-
- // Addr 06: Device release number (0400h for BM features)
- output[0x06] = 0x00;
- switch (ftdi->type)
- {
- case TYPE_AM:
- output[0x07] = 0x02;
- break;
- case TYPE_BM:
- output[0x07] = 0x04;
- break;
- case TYPE_2232C:
- output[0x07] = 0x05;
- break;
- case TYPE_R:
- output[0x07] = 0x06;
- break;
- case TYPE_2232H:
- output[0x07] = 0x07;
- break;
- case TYPE_4232H:
- output[0x07] = 0x08;
- break;
- case TYPE_232H:
- output[0x07] = 0x09;
- break;
- default:
- output[0x07] = 0x00;
- }
-
- // Addr 08: Config descriptor
- // Bit 7: always 1
- // Bit 6: 1 if this device is self powered, 0 if bus powered
- // Bit 5: 1 if this device uses remote wakeup
- // Bit 4-0: reserved - 0
- j = 0x80;
- if (eeprom->self_powered == 1)
- j |= 0x40;
- if (eeprom->remote_wakeup == 1)
- j |= 0x20;
- output[0x08] = j;
-
- // Addr 09: Max power consumption: max power = value * 2 mA
- output[0x09] = eeprom->max_power>>1;
-
- if (ftdi->type != TYPE_AM)
- {
- // Addr 0A: Chip configuration
- // Bit 7: 0 - reserved
- // Bit 6: 0 - reserved
- // Bit 5: 0 - reserved
- // Bit 4: 1 - Change USB version
- // Bit 3: 1 - Use the serial number string
- // Bit 2: 1 - Enable suspend pull downs for lower power
- // Bit 1: 1 - Out EndPoint is Isochronous
- // Bit 0: 1 - In EndPoint is Isochronous
- //
- j = 0;
- if (eeprom->in_is_isochronous == 1)
- j = j | 1;
- if (eeprom->out_is_isochronous == 1)
- j = j | 2;
- output[0x0A] = j;
- }
-
- // Dynamic content
- // Strings start at 0x94 (TYPE_AM, TYPE_BM)
- // 0x96 (TYPE_2232C), 0x98 (TYPE_R) and 0x9a (TYPE_x232H)
- // 0xa0 (TYPE_232H)
- i = 0;
- switch (ftdi->type)
- {
- case TYPE_232H:
- i += 2;
- case TYPE_2232H:
- case TYPE_4232H:
- i += 2;
- case TYPE_R:
- i += 2;
- case TYPE_2232C:
- i += 2;
- case TYPE_AM:
- case TYPE_BM:
- i += 0x94;
- }
- /* Wrap around 0x80 for 128 byte EEPROMS (Internale and 93x46) */
- eeprom_size_mask = eeprom->size -1;
-
- // Addr 0E: Offset of the manufacturer string + 0x80, calculated later
- // Addr 0F: Length of manufacturer string
- // Output manufacturer
- output[0x0E] = i; // calculate offset
- output[i & eeprom_size_mask] = manufacturer_size*2 + 2, i++;
- output[i & eeprom_size_mask] = 0x03, i++; // type: string
- for (j = 0; j < manufacturer_size; j++)
- {
- output[i & eeprom_size_mask] = eeprom->manufacturer[j], i++;
- output[i & eeprom_size_mask] = 0x00, i++;
- }
- output[0x0F] = manufacturer_size*2 + 2;
-
- // Addr 10: Offset of the product string + 0x80, calculated later
- // Addr 11: Length of product string
- output[0x10] = i | 0x80; // calculate offset
- output[i & eeprom_size_mask] = product_size*2 + 2, i++;
- output[i & eeprom_size_mask] = 0x03, i++;
- for (j = 0; j < product_size; j++)
- {
- output[i & eeprom_size_mask] = eeprom->product[j], i++;
- output[i & eeprom_size_mask] = 0x00, i++;
- }
- output[0x11] = product_size*2 + 2;
-
- // Addr 12: Offset of the serial string + 0x80, calculated later
- // Addr 13: Length of serial string
- output[0x12] = i | 0x80; // calculate offset
- output[i & eeprom_size_mask] = serial_size*2 + 2, i++;
- output[i & eeprom_size_mask] = 0x03, i++;
- for (j = 0; j < serial_size; j++)
- {
- output[i & eeprom_size_mask] = eeprom->serial[j], i++;
- output[i & eeprom_size_mask] = 0x00, i++;
- }
-
- // Legacy port name and PnP fields for FT2232 and newer chips
- if (ftdi->type > TYPE_BM)
- {
- output[i & eeprom_size_mask] = 0x02; /* as seen when written with
FTD2XX */
- i++;
- output[i & eeprom_size_mask] = 0x03; /* as seen when written with
FTD2XX */
- i++;
- output[i & eeprom_size_mask] = eeprom->is_not_pnp; /* as seen when
written with FTD2XX */
- i++;
- }
-
- output[0x13] = serial_size*2 + 2;
-
- if (ftdi->type > TYPE_AM) /* use_serial not used in AM devices */
- {
- if (eeprom->use_serial)
- output[0x0A] |= USE_SERIAL_NUM;
- else
- output[0x0A] &= ~USE_SERIAL_NUM;
- }
-
- /* Bytes and Bits specific to (some) types
- Write linear, as this allows easier fixing*/
- switch (ftdi->type)
- {
- case TYPE_AM:
- break;
- case TYPE_BM:
- output[0x0C] = eeprom->usb_version & 0xff;
- output[0x0D] = (eeprom->usb_version>>8) & 0xff;
- if (eeprom->use_usb_version == USE_USB_VERSION_BIT)
- output[0x0A] |= USE_USB_VERSION_BIT;
- else
- output[0x0A] &= ~USE_USB_VERSION_BIT;
-
- break;
- case TYPE_2232C:
-
- output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232C);
- if ( eeprom->channel_a_driver == DRIVER_VCP)
- output[0x00] |= DRIVER_VCP;
- else
- output[0x00] &= ~DRIVER_VCP;
-
- if ( eeprom->high_current_a == HIGH_CURRENT_DRIVE)
- output[0x00] |= HIGH_CURRENT_DRIVE;
- else
- output[0x00] &= ~HIGH_CURRENT_DRIVE;
-
- output[0x01] = type2bit(eeprom->channel_b_type, TYPE_2232C);
- if ( eeprom->channel_b_driver == DRIVER_VCP)
- output[0x01] |= DRIVER_VCP;
- else
- output[0x01] &= ~DRIVER_VCP;
-
- if ( eeprom->high_current_b == HIGH_CURRENT_DRIVE)
- output[0x01] |= HIGH_CURRENT_DRIVE;
- else
- output[0x01] &= ~HIGH_CURRENT_DRIVE;
-
- if (eeprom->in_is_isochronous == 1)
- output[0x0A] |= 0x1;
- else
- output[0x0A] &= ~0x1;
- if (eeprom->out_is_isochronous == 1)
- output[0x0A] |= 0x2;
- else
- output[0x0A] &= ~0x2;
- if (eeprom->suspend_pull_downs == 1)
- output[0x0A] |= 0x4;
- else
- output[0x0A] &= ~0x4;
- if (eeprom->use_usb_version == USE_USB_VERSION_BIT)
- output[0x0A] |= USE_USB_VERSION_BIT;
- else
- output[0x0A] &= ~USE_USB_VERSION_BIT;
-
- output[0x0C] = eeprom->usb_version & 0xff;
- output[0x0D] = (eeprom->usb_version>>8) & 0xff;
- output[0x14] = eeprom->chip;
- break;
- case TYPE_R:
- if (eeprom->high_current == HIGH_CURRENT_DRIVE_R)
- output[0x00] |= HIGH_CURRENT_DRIVE_R;
- output[0x01] = 0x40; /* Hard coded Endpoint Size*/
-
- if (eeprom->suspend_pull_downs == 1)
- output[0x0A] |= 0x4;
- else
- output[0x0A] &= ~0x4;
- output[0x0B] = eeprom->invert;
- output[0x0C] = eeprom->usb_version & 0xff;
- output[0x0D] = (eeprom->usb_version>>8) & 0xff;
-
- if (eeprom->cbus_function[0] > CBUS_BB)
- output[0x14] = CBUS_TXLED;
- else
- output[0x14] = eeprom->cbus_function[0];
-
- if (eeprom->cbus_function[1] > CBUS_BB)
- output[0x14] |= CBUS_RXLED<<4;
- else
- output[0x14] |= eeprom->cbus_function[1]<<4;
-
- if (eeprom->cbus_function[2] > CBUS_BB)
- output[0x15] = CBUS_TXDEN;
- else
- output[0x15] = eeprom->cbus_function[2];
-
- if (eeprom->cbus_function[3] > CBUS_BB)
- output[0x15] |= CBUS_PWREN<<4;
- else
- output[0x15] |= eeprom->cbus_function[3]<<4;
-
- if (eeprom->cbus_function[4] > CBUS_CLK6)
- output[0x16] = CBUS_SLEEP;
- else
- output[0x16] = eeprom->cbus_function[4];
- break;
- case TYPE_2232H:
- output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232H);
- if ( eeprom->channel_a_driver == DRIVER_VCP)
- output[0x00] |= DRIVER_VCP;
- else
- output[0x00] &= ~DRIVER_VCP;
-
- output[0x01] = type2bit(eeprom->channel_b_type, TYPE_2232H);
- if ( eeprom->channel_b_driver == DRIVER_VCP)
- output[0x01] |= DRIVER_VCP;
- else
- output[0x01] &= ~DRIVER_VCP;
- if (eeprom->suspend_dbus7 == SUSPEND_DBUS7_BIT)
- output[0x01] |= SUSPEND_DBUS7_BIT;
- else
- output[0x01] &= ~SUSPEND_DBUS7_BIT;
-
- if (eeprom->suspend_pull_downs == 1)
- output[0x0A] |= 0x4;
- else
- output[0x0A] &= ~0x4;
-
- if (eeprom->group0_drive > DRIVE_16MA)
- output[0x0c] |= DRIVE_16MA;
- else
- output[0x0c] |= eeprom->group0_drive;
- if (eeprom->group0_schmitt == IS_SCHMITT)
- output[0x0c] |= IS_SCHMITT;
- if (eeprom->group0_slew == SLOW_SLEW)
- output[0x0c] |= SLOW_SLEW;
-
- if (eeprom->group1_drive > DRIVE_16MA)
- output[0x0c] |= DRIVE_16MA<<4;
- else
- output[0x0c] |= eeprom->group1_drive<<4;
- if (eeprom->group1_schmitt == IS_SCHMITT)
- output[0x0c] |= IS_SCHMITT<<4;
- if (eeprom->group1_slew == SLOW_SLEW)
- output[0x0c] |= SLOW_SLEW<<4;
-
- if (eeprom->group2_drive > DRIVE_16MA)
- output[0x0d] |= DRIVE_16MA;
- else
- output[0x0d] |= eeprom->group2_drive;
- if (eeprom->group2_schmitt == IS_SCHMITT)
- output[0x0d] |= IS_SCHMITT;
- if (eeprom->group2_slew == SLOW_SLEW)
- output[0x0d] |= SLOW_SLEW;
-
- if (eeprom->group3_drive > DRIVE_16MA)
- output[0x0d] |= DRIVE_16MA<<4;
- else
- output[0x0d] |= eeprom->group3_drive<<4;
- if (eeprom->group3_schmitt == IS_SCHMITT)
- output[0x0d] |= IS_SCHMITT<<4;
- if (eeprom->group3_slew == SLOW_SLEW)
- output[0x0d] |= SLOW_SLEW<<4;
-
- output[0x18] = eeprom->chip;
-
- break;
- case TYPE_4232H:
- output[0x18] = eeprom->chip;
- fprintf(stderr,"FIXME: Build FT4232H specific EEPROM settings\n");
- break;
- case TYPE_232H:
- output[0x00] = type2bit(eeprom->channel_a_type, TYPE_232H);
- if ( eeprom->channel_a_driver == DRIVER_VCP)
- output[0x00] |= DRIVER_VCPH;
- else
- output[0x00] &= ~DRIVER_VCPH;
- if (eeprom->powersave)
- output[0x01] |= POWER_SAVE_DISABLE_H;
- else
- output[0x01] &= ~POWER_SAVE_DISABLE_H;
- if (eeprom->clock_polarity)
- output[0x01] |= FT1284_CLK_IDLE_STATE;
- else
- output[0x01] &= ~FT1284_CLK_IDLE_STATE;
- if (eeprom->data_order)
- output[0x01] |= FT1284_DATA_LSB;
- else
- output[0x01] &= ~FT1284_DATA_LSB;
- if (eeprom->flow_control)
- output[0x01] |= FT1284_FLOW_CONTROL;
- else
- output[0x01] &= ~FT1284_FLOW_CONTROL;
- if (eeprom->group0_drive > DRIVE_16MA)
- output[0x0c] |= DRIVE_16MA;
- else
- output[0x0c] |= eeprom->group0_drive;
- if (eeprom->group0_schmitt == IS_SCHMITT)
- output[0x0c] |= IS_SCHMITT;
- if (eeprom->group0_slew == SLOW_SLEW)
- output[0x0c] |= SLOW_SLEW;
-
- if (eeprom->group1_drive > DRIVE_16MA)
- output[0x0d] |= DRIVE_16MA;
- else
- output[0x0d] |= eeprom->group1_drive;
- if (eeprom->group1_schmitt == IS_SCHMITT)
- output[0x0d] |= IS_SCHMITT;
- if (eeprom->group1_slew == SLOW_SLEW)
- output[0x0d] |= SLOW_SLEW;
-
- set_ft232h_cbus(eeprom, output);
-
- output[0x1e] = eeprom->chip;
- fprintf(stderr,"FIXME: Build FT232H specific EEPROM settings\n");
- break;
-
- }
-
- // calculate checksum
- checksum = 0xAAAA;
-
- for (i = 0; i < eeprom->size/2-1; i++)
- {
- value = output[i*2];
- value += output[(i*2)+1] << 8;
-
- checksum = value^checksum;
- checksum = (checksum << 1) | (checksum >> 15);
- }
-
- output[eeprom->size-2] = checksum;
- output[eeprom->size-1] = checksum >> 8;
-
- return user_area_size;
-}
-/* Decode the encoded EEPROM field for the FTDI Mode into a value for the
abstracted
- * EEPROM structure
- *
- * FTD2XX doesn't allow to set multiple bits in the interface mode bitfield,
and so do we
- */
-static unsigned char bit2type(unsigned char bits)
-{
- switch (bits)
- {
- case 0: return CHANNEL_IS_UART;
- case 1: return CHANNEL_IS_FIFO;
- case 2: return CHANNEL_IS_OPTO;
- case 4: return CHANNEL_IS_CPU;
- case 8: return CHANNEL_IS_FT1284;
- default:
- fprintf(stderr," Unexpected value %d for Hardware Interface type\n",
- bits);
- }
- return 0;
-}
-/**
- Decode binary EEPROM image into an ftdi_eeprom structure.
-
- \param ftdi pointer to ftdi_context
- \param verbose Decode EEPROM on stdout
-
- \retval 0: all fine
- \retval -1: something went wrong
-
- FIXME: How to pass size? How to handle size field in ftdi_eeprom?
- FIXME: Strings are malloc'ed here and should be freed somewhere
-*/
-int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose)
-{
- unsigned char i, j;
- unsigned short checksum, eeprom_checksum, value;
- unsigned char manufacturer_size = 0, product_size = 0, serial_size = 0;
- int eeprom_size;
- struct ftdi_eeprom *eeprom;
- unsigned char *buf = ftdi->eeprom->buf;
- int release;
-
- if (ftdi == NULL)
- ftdi_error_return(-1,"No context");
- if (ftdi->eeprom == NULL)
- ftdi_error_return(-1,"No eeprom structure");
-
- eeprom = ftdi->eeprom;
- eeprom_size = eeprom->size;
-
- // Addr 02: Vendor ID
- eeprom->vendor_id = buf[0x02] + (buf[0x03] << 8);
-
- // Addr 04: Product ID
- eeprom->product_id = buf[0x04] + (buf[0x05] << 8);
-
- release = buf[0x06] + (buf[0x07]<<8);
-
- // Addr 08: Config descriptor
- // Bit 7: always 1
- // Bit 6: 1 if this device is self powered, 0 if bus powered
- // Bit 5: 1 if this device uses remote wakeup
- eeprom->self_powered = buf[0x08] & 0x40;
- eeprom->remote_wakeup = buf[0x08] & 0x20;
-
- // Addr 09: Max power consumption: max power = value * 2 mA
- eeprom->max_power = buf[0x09];
-
- // Addr 0A: Chip configuration
- // Bit 7: 0 - reserved
- // Bit 6: 0 - reserved
- // Bit 5: 0 - reserved
- // Bit 4: 1 - Change USB version on BM and 2232C
- // Bit 3: 1 - Use the serial number string
- // Bit 2: 1 - Enable suspend pull downs for lower power
- // Bit 1: 1 - Out EndPoint is Isochronous
- // Bit 0: 1 - In EndPoint is Isochronous
- //
- eeprom->in_is_isochronous = buf[0x0A]&0x01;
- eeprom->out_is_isochronous = buf[0x0A]&0x02;
- eeprom->suspend_pull_downs = buf[0x0A]&0x04;
- eeprom->use_serial = (buf[0x0A] & USE_SERIAL_NUM)?1:0;
- eeprom->use_usb_version = buf[0x0A] & USE_USB_VERSION_BIT;
-
- // Addr 0C: USB version low byte when 0x0A
- // Addr 0D: USB version high byte when 0x0A
- eeprom->usb_version = buf[0x0C] + (buf[0x0D] << 8);
-
- // Addr 0E: Offset of the manufacturer string + 0x80, calculated later
- // Addr 0F: Length of manufacturer string
- manufacturer_size = buf[0x0F]/2;
- if (eeprom->manufacturer)
- free(eeprom->manufacturer);
- if (manufacturer_size > 0)
- {
- eeprom->manufacturer = malloc(manufacturer_size);
- if (eeprom->manufacturer)
- {
- // Decode manufacturer
- i = buf[0x0E] & (eeprom_size -1); // offset
- for (j=0;j<manufacturer_size-1;j++)
- {
- eeprom->manufacturer[j] = buf[2*j+i+2];
- }
- eeprom->manufacturer[j] = '\0';
- }
- }
- else eeprom->manufacturer = NULL;
-
- // Addr 10: Offset of the product string + 0x80, calculated later
- // Addr 11: Length of product string
- if (eeprom->product)
- free(eeprom->product);
- product_size = buf[0x11]/2;
- if (product_size > 0)
- {
- eeprom->product = malloc(product_size);
- if (eeprom->product)
- {
- // Decode product name
- i = buf[0x10] & (eeprom_size -1); // offset
- for (j=0;j<product_size-1;j++)
- {
- eeprom->product[j] = buf[2*j+i+2];
- }
- eeprom->product[j] = '\0';
- }
- }
- else eeprom->product = NULL;
-
- // Addr 12: Offset of the serial string + 0x80, calculated later
- // Addr 13: Length of serial string
- if (eeprom->serial)
- free(eeprom->serial);
- serial_size = buf[0x13]/2;
- if (serial_size > 0)
- {
- eeprom->serial = malloc(serial_size);
- if (eeprom->serial)
- {
- // Decode serial
- i = buf[0x12] & (eeprom_size -1); // offset
- for (j=0;j<serial_size-1;j++)
- {
- eeprom->serial[j] = buf[2*j+i+2];
- }
- eeprom->serial[j] = '\0';
- }
- }
- else eeprom->serial = NULL;
-
- // verify checksum
- checksum = 0xAAAA;
-
- for (i = 0; i < eeprom_size/2-1; i++)
- {
- value = buf[i*2];
- value += buf[(i*2)+1] << 8;
-
- checksum = value^checksum;
- checksum = (checksum << 1) | (checksum >> 15);
- }
-
- eeprom_checksum = buf[eeprom_size-2] + (buf[eeprom_size-1] << 8);
-
- if (eeprom_checksum != checksum)
- {
- fprintf(stderr, "Checksum Error: %04x %04x\n", checksum,
eeprom_checksum);
- ftdi_error_return(-1,"EEPROM checksum error");
- }
-
- eeprom->channel_a_type = 0;
- if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM))
- {
- eeprom->chip = -1;
- }
- else if (ftdi->type == TYPE_2232C)
- {
- eeprom->channel_a_type = bit2type(buf[0x00] & 0x7);
- eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP;
- eeprom->high_current_a = buf[0x00] & HIGH_CURRENT_DRIVE;
- eeprom->channel_b_type = buf[0x01] & 0x7;
- eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP;
- eeprom->high_current_b = buf[0x01] & HIGH_CURRENT_DRIVE;
- eeprom->chip = buf[0x14];
- }
- else if (ftdi->type == TYPE_R)
- {
- /* TYPE_R flags D2XX, not VCP as all others*/
- eeprom->channel_a_driver = (~buf[0x00]) & DRIVER_VCP;
- eeprom->high_current = buf[0x00] & HIGH_CURRENT_DRIVE_R;
- if ( (buf[0x01]&0x40) != 0x40)
- fprintf(stderr,
- "TYPE_R EEPROM byte[0x01] Bit 6 unexpected Endpoint size."
- " If this happened with the\n"
- " EEPROM programmed by FTDI tools, please report "
- "to libftdi@xxxxxxxxxxxxxxxxxxxxxxx\n");
-
- eeprom->chip = buf[0x16];
- // Addr 0B: Invert data lines
- // Works only on FT232R, not FT245R, but no way to distinguish
- eeprom->invert = buf[0x0B];
- // Addr 14: CBUS function: CBUS0, CBUS1
- // Addr 15: CBUS function: CBUS2, CBUS3
- // Addr 16: CBUS function: CBUS5
- eeprom->cbus_function[0] = buf[0x14] & 0x0f;
- eeprom->cbus_function[1] = (buf[0x14] >> 4) & 0x0f;
- eeprom->cbus_function[2] = buf[0x15] & 0x0f;
- eeprom->cbus_function[3] = (buf[0x15] >> 4) & 0x0f;
- eeprom->cbus_function[4] = buf[0x16] & 0x0f;
- }
- else if ((ftdi->type == TYPE_2232H) ||(ftdi->type == TYPE_4232H))
- {
- eeprom->channel_a_type = bit2type(buf[0x00] & 0x7);
- eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP;
- eeprom->channel_b_type = bit2type(buf[0x01] & 0x7);
- eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP;
-
- if (ftdi->type == TYPE_2232H)
- eeprom->suspend_dbus7 = buf[0x01] & SUSPEND_DBUS7_BIT;
-
- eeprom->chip = buf[0x18];
- eeprom->group0_drive = buf[0x0c] & DRIVE_16MA;
- eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT;
- eeprom->group0_slew = buf[0x0c] & SLOW_SLEW;
- eeprom->group1_drive = (buf[0x0c] >> 4) & 0x3;
- eeprom->group1_schmitt = (buf[0x0c] >> 4) & IS_SCHMITT;
- eeprom->group1_slew = (buf[0x0c] >> 4) & SLOW_SLEW;
- eeprom->group2_drive = buf[0x0d] & DRIVE_16MA;
- eeprom->group2_schmitt = buf[0x0d] & IS_SCHMITT;
- eeprom->group2_slew = buf[0x0d] & SLOW_SLEW;
- eeprom->group3_drive = (buf[0x0d] >> 4) & DRIVE_16MA;
- eeprom->group3_schmitt = (buf[0x0d] >> 4) & IS_SCHMITT;
- eeprom->group3_slew = (buf[0x0d] >> 4) & SLOW_SLEW;
- }
- else if (ftdi->type == TYPE_232H)
- {
- int i;
-
- eeprom->channel_a_type = buf[0x00] & 0xf;
- eeprom->channel_a_driver = (buf[0x00] & DRIVER_VCPH)?DRIVER_VCP:0;
- eeprom->clock_polarity = buf[0x01] & FT1284_CLK_IDLE_STATE;
- eeprom->data_order = buf[0x01] & FT1284_DATA_LSB;
- eeprom->flow_control = buf[0x01] & FT1284_FLOW_CONTROL;
- eeprom->powersave = buf[0x01] & POWER_SAVE_DISABLE_H;
- eeprom->group0_drive = buf[0x0c] & DRIVE_16MA;
- eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT;
- eeprom->group0_slew = buf[0x0c] & SLOW_SLEW;
- eeprom->group1_drive = buf[0x0d] & DRIVE_16MA;
- eeprom->group1_schmitt = buf[0x0d] & IS_SCHMITT;
- eeprom->group1_slew = buf[0x0d] & SLOW_SLEW;
-
- for(i=0; i<5; i++)
- {
- eeprom->cbus_function[2*i ] = buf[0x18+i] & 0x0f;
- eeprom->cbus_function[2*i+1] = (buf[0x18+i] >> 4) & 0x0f;
- }
- eeprom->chip = buf[0x1e];
- /*FIXME: Decipher more values*/
- }
-
- if (verbose)
- {
- char *channel_mode[] = {"UART", "FIFO", "CPU", "OPTO", "FT1284"};
- fprintf(stdout, "VID: 0x%04x\n",eeprom->vendor_id);
- fprintf(stdout, "PID: 0x%04x\n",eeprom->product_id);
- fprintf(stdout, "Release: 0x%04x\n",release);
-
- if (eeprom->self_powered)
- fprintf(stdout, "Self-Powered%s", (eeprom->remote_wakeup)?", USB
Remote Wake Up\n":"\n");
- else
- fprintf(stdout, "Bus Powered: %3d mA%s", eeprom->max_power * 2,
- (eeprom->remote_wakeup)?" USB Remote Wake Up\n":"\n");
- if (eeprom->manufacturer)
- fprintf(stdout, "Manufacturer: %s\n",eeprom->manufacturer);
- if (eeprom->product)
- fprintf(stdout, "Product: %s\n",eeprom->product);
- if (eeprom->serial)
- fprintf(stdout, "Serial: %s\n",eeprom->serial);
- fprintf(stdout, "Checksum : %04x\n", checksum);
- if (ftdi->type == TYPE_R)
- fprintf(stdout, "Internal EEPROM\n");
- else if (eeprom->chip >= 0x46)
- fprintf(stdout, "Attached EEPROM: 93x%02x\n", eeprom->chip);
- if (eeprom->suspend_dbus7)
- fprintf(stdout, "Suspend on DBUS7\n");
- if (eeprom->suspend_pull_downs)
- fprintf(stdout, "Pull IO pins low during suspend\n");
- if(eeprom->powersave)
- {
- if(ftdi->type >= TYPE_232H)
- fprintf(stdout,"Enter low power state on ACBUS7\n");
- }
- if (eeprom->remote_wakeup)
- fprintf(stdout, "Enable Remote Wake Up\n");
- fprintf(stdout, "PNP: %d\n",(eeprom->is_not_pnp)?0:1);
- if (ftdi->type >= TYPE_2232C)
- fprintf(stdout,"Channel A has Mode %s%s%s\n",
- channel_mode[eeprom->channel_a_type],
- (eeprom->channel_a_driver)?" VCP":"",
- (eeprom->high_current_a)?" High Current IO":"");
- if (ftdi->type >= TYPE_232H)
- {
- fprintf(stdout,"FT1284 Mode Clock is idle %s, %s first, %sFlow
Control\n",
- (eeprom->clock_polarity)?"HIGH":"LOW",
- (eeprom->data_order)?"LSB":"MSB",
- (eeprom->flow_control)?"":"No ");
- }
- if ((ftdi->type >= TYPE_2232C) && (ftdi->type != TYPE_R) &&
(ftdi->type != TYPE_232H))
- fprintf(stdout,"Channel B has Mode %s%s%s\n",
- channel_mode[eeprom->channel_b_type],
- (eeprom->channel_b_driver)?" VCP":"",
- (eeprom->high_current_b)?" High Current IO":"");
- if (((ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C)) &&
- eeprom->use_usb_version == USE_USB_VERSION_BIT)
- fprintf(stdout,"Use explicit USB Version
%04x\n",eeprom->usb_version);
-
- if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H))
- {
- fprintf(stdout,"%s has %d mA drive%s%s\n",
- (ftdi->type == TYPE_2232H)?"AL":"A",
- (eeprom->group0_drive+1) *4,
- (eeprom->group0_schmitt)?" Schmitt Input":"",
- (eeprom->group0_slew)?" Slow Slew":"");
- fprintf(stdout,"%s has %d mA drive%s%s\n",
- (ftdi->type == TYPE_2232H)?"AH":"B",
- (eeprom->group1_drive+1) *4,
- (eeprom->group1_schmitt)?" Schmitt Input":"",
- (eeprom->group1_slew)?" Slow Slew":"");
- fprintf(stdout,"%s has %d mA drive%s%s\n",
- (ftdi->type == TYPE_2232H)?"BL":"C",
- (eeprom->group2_drive+1) *4,
- (eeprom->group2_schmitt)?" Schmitt Input":"",
- (eeprom->group2_slew)?" Slow Slew":"");
- fprintf(stdout,"%s has %d mA drive%s%s\n",
- (ftdi->type == TYPE_2232H)?"BH":"D",
- (eeprom->group3_drive+1) *4,
- (eeprom->group3_schmitt)?" Schmitt Input":"",
- (eeprom->group3_slew)?" Slow Slew":"");
- }
- else if (ftdi->type == TYPE_232H)
- {
- int i;
- char *cbush_mux[] = {"TRISTATE","RXLED","TXLED", "TXRXLED","PWREN",
- "SLEEP","DRIVE_0","DRIVE_1","IOMODE","TXDEN",
- "CLK30","CLK15","CLK7_5"
- };
- fprintf(stdout,"ACBUS has %d mA drive%s%s\n",
- (eeprom->group0_drive+1) *4,
- (eeprom->group0_schmitt)?" Schmitt Input":"",
- (eeprom->group0_slew)?" Slow Slew":"");
- fprintf(stdout,"ADBUS has %d mA drive%s%s\n",
- (eeprom->group1_drive+1) *4,
- (eeprom->group1_schmitt)?" Schmitt Input":"",
- (eeprom->group1_slew)?" Slow Slew":"");
- for (i=0; i<10; i++)
- {
- if (eeprom->cbus_function[i]<= CBUSH_CLK7_5 )
- fprintf(stdout,"C%d Function: %s\n", i,
- cbush_mux[eeprom->cbus_function[i]]);
- }
-
- }
-
- if (ftdi->type == TYPE_R)
- {
- char *cbus_mux[] = {"TXDEN","PWREN","RXLED", "TXLED","TX+RXLED",
- "SLEEP","CLK48","CLK24","CLK12","CLK6",
- "IOMODE","BB_WR","BB_RD"
- };
- char *cbus_BB[] = {"RXF","TXE","RD", "WR"};
-
- if (eeprom->invert)
- {
- char *r_bits[] = {"TXD","RXD","RTS",
"CTS","DTR","DSR","DCD","RI"};
- fprintf(stdout,"Inverted bits:");
- for (i=0; i<8; i++)
- if ((eeprom->invert & (1<<i)) == (1<<i))
- fprintf(stdout," %s",r_bits[i]);
- fprintf(stdout,"\n");
- }
- for (i=0; i<5; i++)
- {
- if (eeprom->cbus_function[i]<CBUS_BB)
- fprintf(stdout,"C%d Function: %s\n", i,
- cbus_mux[eeprom->cbus_function[i]]);
- else
- {
- if (i < 4)
- /* Running MPROG show that C0..3 have fixed function
Synchronous
- Bit Bang mode */
- fprintf(stdout,"C%d BB Function: %s\n", i,
- cbus_BB[i]);
- else
- fprintf(stdout, "Unknown CBUS mode. Might be special
mode?\n");
- }
- }
- }
- }
- return 0;
-}
-
-/**
- Get a value from the decoded EEPROM structure
-
- \param ftdi pointer to ftdi_context
- \param value_name Enum of the value to query
- \param value Pointer to store read value
-
- \retval 0: all fine
- \retval -1: Value doesn't exist
-*/
-int ftdi_get_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value
value_name, int* value)
-{
- switch (value_name)
- {
- case VENDOR_ID:
- *value = ftdi->eeprom->vendor_id;
- break;
- case PRODUCT_ID:
- *value = ftdi->eeprom->product_id;
- break;
- case SELF_POWERED:
- *value = ftdi->eeprom->self_powered;
- break;
- case REMOTE_WAKEUP:
- *value = ftdi->eeprom->remote_wakeup;
- break;
- case IS_NOT_PNP:
- *value = ftdi->eeprom->is_not_pnp;
- break;
- case SUSPEND_DBUS7:
- *value = ftdi->eeprom->suspend_dbus7;
- break;
- case IN_IS_ISOCHRONOUS:
- *value = ftdi->eeprom->in_is_isochronous;
- break;
- case OUT_IS_ISOCHRONOUS:
- *value = ftdi->eeprom->out_is_isochronous;
- break;
- case SUSPEND_PULL_DOWNS:
- *value = ftdi->eeprom->suspend_pull_downs;
- break;
- case USE_SERIAL:
- *value = ftdi->eeprom->use_serial;
- break;
- case USB_VERSION:
- *value = ftdi->eeprom->usb_version;
- break;
- case USE_USB_VERSION:
- *value = ftdi->eeprom->use_usb_version;
- break;
- case MAX_POWER:
- *value = ftdi->eeprom->max_power;
- break;
- case CHANNEL_A_TYPE:
- *value = ftdi->eeprom->channel_a_type;
- break;
- case CHANNEL_B_TYPE:
- *value = ftdi->eeprom->channel_b_type;
- break;
- case CHANNEL_A_DRIVER:
- *value = ftdi->eeprom->channel_a_driver;
- break;
- case CHANNEL_B_DRIVER:
- *value = ftdi->eeprom->channel_b_driver;
- break;
- case CBUS_FUNCTION_0:
- *value = ftdi->eeprom->cbus_function[0];
- break;
- case CBUS_FUNCTION_1:
- *value = ftdi->eeprom->cbus_function[1];
- break;
- case CBUS_FUNCTION_2:
- *value = ftdi->eeprom->cbus_function[2];
- break;
- case CBUS_FUNCTION_3:
- *value = ftdi->eeprom->cbus_function[3];
- break;
- case CBUS_FUNCTION_4:
- *value = ftdi->eeprom->cbus_function[4];
- break;
- case CBUS_FUNCTION_5:
- *value = ftdi->eeprom->cbus_function[5];
- break;
- case CBUS_FUNCTION_6:
- *value = ftdi->eeprom->cbus_function[6];
- break;
- case CBUS_FUNCTION_7:
- *value = ftdi->eeprom->cbus_function[7];
- break;
- case CBUS_FUNCTION_8:
- *value = ftdi->eeprom->cbus_function[8];
- break;
- case CBUS_FUNCTION_9:
- *value = ftdi->eeprom->cbus_function[8];
- break;
- case HIGH_CURRENT:
- *value = ftdi->eeprom->high_current;
- break;
- case HIGH_CURRENT_A:
- *value = ftdi->eeprom->high_current_a;
- break;
- case HIGH_CURRENT_B:
- *value = ftdi->eeprom->high_current_b;
- break;
- case INVERT:
- *value = ftdi->eeprom->invert;
- break;
- case GROUP0_DRIVE:
- *value = ftdi->eeprom->group0_drive;
- break;
- case GROUP0_SCHMITT:
- *value = ftdi->eeprom->group0_schmitt;
- break;
- case GROUP0_SLEW:
- *value = ftdi->eeprom->group0_slew;
- break;
- case GROUP1_DRIVE:
- *value = ftdi->eeprom->group1_drive;
- break;
- case GROUP1_SCHMITT:
- *value = ftdi->eeprom->group1_schmitt;
- break;
- case GROUP1_SLEW:
- *value = ftdi->eeprom->group1_slew;
- break;
- case GROUP2_DRIVE:
- *value = ftdi->eeprom->group2_drive;
- break;
- case GROUP2_SCHMITT:
- *value = ftdi->eeprom->group2_schmitt;
- break;
- case GROUP2_SLEW:
- *value = ftdi->eeprom->group2_slew;
- break;
- case GROUP3_DRIVE:
- *value = ftdi->eeprom->group3_drive;
- break;
- case GROUP3_SCHMITT:
- *value = ftdi->eeprom->group3_schmitt;
- break;
- case GROUP3_SLEW:
- *value = ftdi->eeprom->group3_slew;
- break;
- case POWER_SAVE:
- *value = ftdi->eeprom->powersave;
- break;
- case CLOCK_POLARITY:
- *value = ftdi->eeprom->clock_polarity;
- break;
- case DATA_ORDER:
- *value = ftdi->eeprom->data_order;
- break;
- case FLOW_CONTROL:
- *value = ftdi->eeprom->flow_control;
- break;
- case CHIP_TYPE:
- *value = ftdi->eeprom->chip;
- break;
- case CHIP_SIZE:
- *value = ftdi->eeprom->size;
- break;
- default:
- ftdi_error_return(-1, "Request for unknown EEPROM value");
- }
- return 0;
-}
-
-/**
- Set a value in the decoded EEPROM Structure
- No parameter checking is performed
-
- \param ftdi pointer to ftdi_context
- \param value_name Enum of the value to set
- \param value to set
-
- \retval 0: all fine
- \retval -1: Value doesn't exist
- \retval -2: Value not user settable
-*/
-int ftdi_set_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value
value_name, int value)
-{
- switch (value_name)
- {
- case VENDOR_ID:
- ftdi->eeprom->vendor_id = value;
- break;
- case PRODUCT_ID:
- ftdi->eeprom->product_id = value;
- break;
- case SELF_POWERED:
- ftdi->eeprom->self_powered = value;
- break;
- case REMOTE_WAKEUP:
- ftdi->eeprom->remote_wakeup = value;
- break;
- case IS_NOT_PNP:
- ftdi->eeprom->is_not_pnp = value;
- break;
- case SUSPEND_DBUS7:
- ftdi->eeprom->suspend_dbus7 = value;
- break;
- case IN_IS_ISOCHRONOUS:
- ftdi->eeprom->in_is_isochronous = value;
- break;
- case OUT_IS_ISOCHRONOUS:
- ftdi->eeprom->out_is_isochronous = value;
- break;
- case SUSPEND_PULL_DOWNS:
- ftdi->eeprom->suspend_pull_downs = value;
- break;
- case USE_SERIAL:
- ftdi->eeprom->use_serial = value;
- break;
- case USB_VERSION:
- ftdi->eeprom->usb_version = value;
- break;
- case USE_USB_VERSION:
- ftdi->eeprom->use_usb_version = value;
- break;
- case MAX_POWER:
- ftdi->eeprom->max_power = value;
- break;
- case CHANNEL_A_TYPE:
- ftdi->eeprom->channel_a_type = value;
- break;
- case CHANNEL_B_TYPE:
- ftdi->eeprom->channel_b_type = value;
- break;
- case CHANNEL_A_DRIVER:
- ftdi->eeprom->channel_a_driver = value;
- break;
- case CHANNEL_B_DRIVER:
- ftdi->eeprom->channel_b_driver = value;
- break;
- case CBUS_FUNCTION_0:
- ftdi->eeprom->cbus_function[0] = value;
- break;
- case CBUS_FUNCTION_1:
- ftdi->eeprom->cbus_function[1] = value;
- break;
- case CBUS_FUNCTION_2:
- ftdi->eeprom->cbus_function[2] = value;
- break;
- case CBUS_FUNCTION_3:
- ftdi->eeprom->cbus_function[3] = value;
- break;
- case CBUS_FUNCTION_4:
- ftdi->eeprom->cbus_function[4] = value;
- break;
- case CBUS_FUNCTION_5:
- ftdi->eeprom->cbus_function[5] = value;
- break;
- case CBUS_FUNCTION_6:
- ftdi->eeprom->cbus_function[6] = value;
- break;
- case CBUS_FUNCTION_7:
- ftdi->eeprom->cbus_function[7] = value;
- break;
- case CBUS_FUNCTION_8:
- ftdi->eeprom->cbus_function[8] = value;
- break;
- case CBUS_FUNCTION_9:
- ftdi->eeprom->cbus_function[9] = value;
- break;
- case HIGH_CURRENT:
- ftdi->eeprom->high_current = value;
- break;
- case HIGH_CURRENT_A:
- ftdi->eeprom->high_current_a = value;
- break;
- case HIGH_CURRENT_B:
- ftdi->eeprom->high_current_b = value;
- break;
- case INVERT:
- ftdi->eeprom->invert = value;
- break;
- case GROUP0_DRIVE:
- ftdi->eeprom->group0_drive = value;
- break;
- case GROUP0_SCHMITT:
- ftdi->eeprom->group0_schmitt = value;
- break;
- case GROUP0_SLEW:
- ftdi->eeprom->group0_slew = value;
- break;
- case GROUP1_DRIVE:
- ftdi->eeprom->group1_drive = value;
- break;
- case GROUP1_SCHMITT:
- ftdi->eeprom->group1_schmitt = value;
- break;
- case GROUP1_SLEW:
- ftdi->eeprom->group1_slew = value;
- break;
- case GROUP2_DRIVE:
- ftdi->eeprom->group2_drive = value;
- break;
- case GROUP2_SCHMITT:
- ftdi->eeprom->group2_schmitt = value;
- break;
- case GROUP2_SLEW:
- ftdi->eeprom->group2_slew = value;
- break;
- case GROUP3_DRIVE:
- ftdi->eeprom->group3_drive = value;
- break;
- case GROUP3_SCHMITT:
- ftdi->eeprom->group3_schmitt = value;
- break;
- case GROUP3_SLEW:
- ftdi->eeprom->group3_slew = value;
- break;
- case CHIP_TYPE:
- ftdi->eeprom->chip = value;
- break;
- case POWER_SAVE:
- ftdi->eeprom->powersave = value;
- break;
- case CLOCK_POLARITY:
- ftdi->eeprom->clock_polarity = value;
- break;
- case DATA_ORDER:
- ftdi->eeprom->data_order = value;
- break;
- case FLOW_CONTROL:
- ftdi->eeprom->flow_control = value;
- break;
- case CHIP_SIZE:
- ftdi_error_return(-2, "EEPROM Value can't be changed");
- default :
- ftdi_error_return(-1, "Request to unknown EEPROM value");
- }
- return 0;
-}
-
-/** Get the read-only buffer to the binary EEPROM content
-
- \param ftdi pointer to ftdi_context
- \param buf buffer to receive EEPROM content
- \param size Size of receiving buffer
-
- \retval 0: All fine
- \retval -1: struct ftdi_contxt or ftdi_eeprom missing
- \retval -2: Not enough room to store eeprom
-*/
-int ftdi_get_eeprom_buf(struct ftdi_context *ftdi, unsigned char * buf, int
size)
-{
- if (!ftdi || !(ftdi->eeprom))
- ftdi_error_return(-1, "No appropriate structure");
-
- if (!buf || size < ftdi->eeprom->size)
- ftdi_error_return(-1, "Not enough room to store eeprom");
-
- // Only copy up to FTDI_MAX_EEPROM_SIZE bytes
- if (size > FTDI_MAX_EEPROM_SIZE)
- size = FTDI_MAX_EEPROM_SIZE;
-
- memcpy(buf, ftdi->eeprom->buf, size);
-
- return 0;
-}
-
-/** Set the EEPROM content from the user-supplied prefilled buffer
-
- \param ftdi pointer to ftdi_context
- \param buf buffer to read EEPROM content
- \param size Size of buffer
-
- \retval 0: All fine
- \retval -1: struct ftdi_contxt or ftdi_eeprom of buf missing
-*/
-int ftdi_set_eeprom_buf(struct ftdi_context *ftdi, const unsigned char * buf,
int size)
-{
- if (!ftdi || !(ftdi->eeprom) || !buf)
- ftdi_error_return(-1, "No appropriate structure");
-
- // Only copy up to FTDI_MAX_EEPROM_SIZE bytes
- if (size > FTDI_MAX_EEPROM_SIZE)
- size = FTDI_MAX_EEPROM_SIZE;
-
- memcpy(ftdi->eeprom->buf, buf, size);
-
- return 0;
-}
-
-/**
- Read eeprom location
-
- \param ftdi pointer to ftdi_context
- \param eeprom_addr Address of eeprom location to be read
- \param eeprom_val Pointer to store read eeprom location
-
- \retval 0: all fine
- \retval -1: read failed
- \retval -2: USB device unavailable
-*/
-int ftdi_read_eeprom_location (struct ftdi_context *ftdi, int eeprom_addr,
unsigned short *eeprom_val)
-{
- if (ftdi == NULL || ftdi->usb_dev == NULL)
- ftdi_error_return(-2, "USB device unavailable");
-
- if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE,
SIO_READ_EEPROM_REQUEST, 0, eeprom_addr, (unsigned char *)eeprom_val, 2,
ftdi->usb_read_timeout) != 2)
- ftdi_error_return(-1, "reading eeprom failed");
-
- return 0;
-}
-
-/**
- Read eeprom
-
- \param ftdi pointer to ftdi_context
-
- \retval 0: all fine
- \retval -1: read failed
- \retval -2: USB device unavailable
-*/
-int ftdi_read_eeprom(struct ftdi_context *ftdi)
-{
- int i;
- unsigned char *buf;
-
- if (ftdi == NULL || ftdi->usb_dev == NULL)
- ftdi_error_return(-2, "USB device unavailable");
- buf = ftdi->eeprom->buf;
-
- for (i = 0; i < FTDI_MAX_EEPROM_SIZE/2; i++)
- {
- if (libusb_control_transfer(
- ftdi->usb_dev,
FTDI_DEVICE_IN_REQTYPE,SIO_READ_EEPROM_REQUEST, 0, i,
- buf+(i*2), 2, ftdi->usb_read_timeout) != 2)
- ftdi_error_return(-1, "reading eeprom failed");
- }
-
- if (ftdi->type == TYPE_R)
- ftdi->eeprom->size = 0x80;
- /* Guesses size of eeprom by comparing halves
- - will not work with blank eeprom */
- else if (strrchr((const char *)buf, 0xff) == ((const char *)buf
+FTDI_MAX_EEPROM_SIZE -1))
- ftdi->eeprom->size = -1;
- else if (memcmp(buf,&buf[0x80],0x80) == 0)
- ftdi->eeprom->size = 0x80;
- else if (memcmp(buf,&buf[0x40],0x40) == 0)
- ftdi->eeprom->size = 0x40;
- else
- ftdi->eeprom->size = 0x100;
- return 0;
-}
-
/*
ftdi_read_chipid_shift does the bitshift operation needed for the
FTDIChip-ID
Function is only used internally
--
1.7.3.4
--
libftdi - see http://www.intra2net.com/en/developer/libftdi for details.
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