ftdi.c - description
-------------------
begin : Fri Apr 4 2003
- copyright : (C) 2003-2011 by Intra2net AG and the libftdi developers
+ copyright : (C) 2003-2014 by Intra2net AG and the libftdi developers
email : opensource@intra2net.com
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
+#include "ftdi_i.h"
#include "ftdi.h"
+#include "ftdi_version_i.h"
#define ftdi_error_return(code, str) do { \
- ftdi->error_str = str; \
+ if ( ftdi ) \
+ ftdi->error_str = str; \
+ else \
+ fprintf(stderr, str); \
return code; \
} while(0);
\retval 0: all fine
\retval -1: unknown interface
\retval -2: USB device unavailable
+ \retval -3: Device already open, interface can't be set in that state
*/
int ftdi_set_interface(struct ftdi_context *ftdi, enum ftdi_interface interface)
{
if (ftdi == NULL)
ftdi_error_return(-2, "USB device unavailable");
+ if (ftdi->usb_dev != NULL)
+ {
+ int check_interface = interface;
+ if (check_interface == INTERFACE_ANY)
+ check_interface = INTERFACE_A;
+
+ if (ftdi->index != check_interface)
+ ftdi_error_return(-3, "Interface can not be changed on an already open device");
+ }
+
switch (interface)
{
case INTERFACE_ANY:
ftdi->usb_dev = usb;
}
+/**
+ * @brief Get libftdi library version
+ *
+ * @return ftdi_version_info Library version information
+ **/
+struct ftdi_version_info ftdi_get_library_version(void)
+{
+ struct ftdi_version_info ver;
+
+ ver.major = FTDI_MAJOR_VERSION;
+ ver.minor = FTDI_MINOR_VERSION;
+ ver.micro = FTDI_MICRO_VERSION;
+ ver.version_str = FTDI_VERSION_STRING;
+ ver.snapshot_str = FTDI_SNAPSHOT_VERSION;
+
+ return ver;
+}
/**
Finds all ftdi devices with given VID:PID on the usb bus. Creates a new
ftdi_device_list which needs to be deallocated by ftdi_list_free() after
use. With VID:PID 0:0, search for the default devices
- (0x403:0x6001, 0x403:0x6010, 0x403:0x6011, 0x403:0x6014)
+ (0x403:0x6001, 0x403:0x6010, 0x403:0x6011, 0x403:0x6014)
\param ftdi pointer to ftdi_context
\param devlist Pointer where to store list of found devices
if (libusb_get_device_descriptor(dev, &desc) < 0)
ftdi_error_return_free_device_list(-6, "libusb_get_device_descriptor() failed", devs);
- if (((vendor != 0 && product != 0) &&
- desc.idVendor == vendor && desc.idProduct == product) ||
- ((vendor == 0 && product == 0) &&
- (desc.idVendor == 0x403) && (desc.idProduct == 0x6001 || desc.idProduct == 0x6010
- || desc.idProduct == 0x6011 || desc.idProduct == 0x6014)))
+ if (((vendor != 0 && product != 0) &&
+ desc.idVendor == vendor && desc.idProduct == product) ||
+ ((vendor == 0 && product == 0) &&
+ (desc.idVendor == 0x403) && (desc.idProduct == 0x6001 || desc.idProduct == 0x6010
+ || desc.idProduct == 0x6011 || desc.idProduct == 0x6014)))
{
*curdev = (struct ftdi_device_list*)malloc(sizeof(struct ftdi_device_list));
if (!*curdev)
// Determine maximum packet size. Init with default value.
// New hi-speed devices from FTDI use a packet size of 512 bytes
// but could be connected to a normal speed USB hub -> 64 bytes packet size.
- if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H )
+ if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H)
packet_size = 512;
else
packet_size = 64;
ftdi->type = TYPE_4232H;
else if (desc.bcdDevice == 0x900)
ftdi->type = TYPE_232H;
+ else if (desc.bcdDevice == 0x1000)
+ ftdi->type = TYPE_230X;
// Determine maximum packet size
ftdi->max_packet_size = _ftdi_determine_max_packet_size(ftdi, dev);
return rtn;
}
-/* ftdi_to_clkbits_AM For the AM device, convert a requested baudrate
+/* ftdi_to_clkbits_AM For the AM device, convert a requested baudrate
to encoded divisor and the achievable baudrate
Function is only used internally
\internal
H Type have all features above with
{index[8],value[15:14]} is the encoded subdivisor
- FT232R, FT2232 and FT232BM have no option for 12 MHz and with
+ FT232R, FT2232 and FT232BM have no option for 12 MHz and with
{index[0],value[15:14]} is the encoded subdivisor
AM Type chips have only four fractional subdivisors at value[15:14]
*encoded_divisor = (best_divisor >> 3) | (frac_code[best_divisor & 0x7] << 14);
}
return best_baud;
-}
+}
/**
ftdi_convert_baudrate returns nearest supported baud rate to that requested.
Function is only used internally
#define H_CLK 120000000
#define C_CLK 48000000
- if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H) || (ftdi->type == TYPE_232H ))
+ if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H) || (ftdi->type == TYPE_232H))
{
if(baudrate*10 > H_CLK /0x3fff)
{
/* On H Devices, use 12 000 000 Baudrate when possible
- We have a 14 bit divisor, a 1 bit divisor switch (10 or 16)
+ We have a 14 bit divisor, a 1 bit divisor switch (10 or 16)
three fractional bits and a 120 MHz clock
Assume AN_120 "Sub-integer divisors between 0 and 2 are not allowed" holds for
DIV/10 CLK too, so /1, /1.5 and /2 can be handled the same*/
}
// Split into "value" and "index" values
*value = (unsigned short)(encoded_divisor & 0xFFFF);
- if (ftdi->type == TYPE_2232H ||
- ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H )
+ if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H)
{
*index = (unsigned short)(encoded_divisor >> 8);
*index &= 0xFF00;
* Do not use, it's only for the unit test framework
**/
int convert_baudrate_UT_export(int baudrate, struct ftdi_context *ftdi,
- unsigned short *value, unsigned short *index)
+ unsigned short *value, unsigned short *index)
{
return ftdi_convert_baudrate(baudrate, ftdi, value, index);
}
\retval <0: error code from usb_bulk_write()
\retval >0: number of bytes written
*/
-int ftdi_write_data(struct ftdi_context *ftdi, unsigned char *buf, int size)
+int ftdi_write_data(struct ftdi_context *ftdi, const unsigned char *buf, int size)
{
int offset = 0;
int actual_length;
if (offset+write_size > size)
write_size = size-offset;
- if (libusb_bulk_transfer(ftdi->usb_dev, ftdi->in_ep, buf+offset, write_size, &actual_length, ftdi->usb_write_timeout) < 0)
+ if (libusb_bulk_transfer(ftdi->usb_dev, ftdi->in_ep, (unsigned char *)buf+offset, write_size, &actual_length, ftdi->usb_write_timeout) < 0)
ftdi_error_return(-1, "usb bulk write failed");
offset += actual_length;
tc->size = size;
tc->offset = 0;
- if (size < ftdi->writebuffer_chunksize)
+ if (size < (int)ftdi->writebuffer_chunksize)
write_size = size;
else
write_size = ftdi->writebuffer_chunksize;
tc->buf = buf;
tc->size = size;
- if (size <= ftdi->readbuffer_remaining)
+ if (size <= (int)ftdi->readbuffer_remaining)
{
memcpy (buf, ftdi->readbuffer+ftdi->readbuffer_offset, size);
ftdi_error_return(-1, "max_packet_size is bogus (zero)");
// everything we want is still in the readbuffer?
- if (size <= ftdi->readbuffer_remaining)
+ if (size <= (int)ftdi->readbuffer_remaining)
{
memcpy (buf, ftdi->readbuffer+ftdi->readbuffer_offset, size);
return 0;
}
-
/**
- Enable bitbang mode.
-
- \deprecated use \ref ftdi_set_bitmode with mode BITMODE_BITBANG instead
+ Enable/disable bitbang modes.
\param ftdi pointer to ftdi_context
\param bitmask Bitmask to configure lines.
HIGH/ON value configures a line as output.
+ \param mode Bitbang mode: use the values defined in \ref ftdi_mpsse_mode
\retval 0: all fine
\retval -1: can't enable bitbang mode
\retval -2: USB device unavailable
*/
-int ftdi_enable_bitbang(struct ftdi_context *ftdi, unsigned char bitmask)
+int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode)
{
unsigned short usb_val;
ftdi_error_return(-2, "USB device unavailable");
usb_val = bitmask; // low byte: bitmask
- /* FT2232C: Set bitbang_mode to 2 to enable SPI */
- usb_val |= (ftdi->bitbang_mode << 8);
-
- if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
- SIO_SET_BITMODE_REQUEST, usb_val, ftdi->index,
- NULL, 0, ftdi->usb_write_timeout) < 0)
- ftdi_error_return(-1, "unable to enter bitbang mode. Perhaps not a BM type chip?");
+ usb_val |= (mode << 8);
+ if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_BITMODE_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0)
+ ftdi_error_return(-1, "unable to configure bitbang mode. Perhaps not a BM/2232C type chip?");
- ftdi->bitbang_enabled = 1;
+ ftdi->bitbang_mode = mode;
+ ftdi->bitbang_enabled = (mode == BITMODE_RESET) ? 0 : 1;
return 0;
}
return 0;
}
-/**
- Enable/disable bitbang modes.
-
- \param ftdi pointer to ftdi_context
- \param bitmask Bitmask to configure lines.
- HIGH/ON value configures a line as output.
- \param mode Bitbang mode: use the values defined in \ref ftdi_mpsse_mode
-
- \retval 0: all fine
- \retval -1: can't enable bitbang mode
- \retval -2: USB device unavailable
-*/
-int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode)
-{
- unsigned short usb_val;
-
- if (ftdi == NULL || ftdi->usb_dev == NULL)
- ftdi_error_return(-2, "USB device unavailable");
-
- usb_val = bitmask; // low byte: bitmask
- usb_val |= (mode << 8);
- if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_BITMODE_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0)
- ftdi_error_return(-1, "unable to configure bitbang mode. Perhaps not a 2232C type chip?");
-
- ftdi->bitbang_mode = mode;
- ftdi->bitbang_enabled = (mode == BITMODE_RESET) ? 0 : 1;
- return 0;
-}
/**
Directly read pin state, circumventing the read buffer. Useful for bitbang mode.
eeprom->product_id = 0x6011;
else if (ftdi->type == TYPE_232H)
eeprom->product_id = 0x6014;
+ else if (ftdi->type == TYPE_230X)
+ eeprom->product_id = 0x6015;
else
eeprom->product_id = 0x6010;
+
if (ftdi->type == TYPE_AM)
eeprom->usb_version = 0x0101;
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");
+ 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;
+ case TYPE_230X: default_product = "FT230X Basic UART"; break;
+ default:
+ ftdi_error_return(-3, "Unknown chip type");
}
eeprom->product = malloc(strlen(default_product) +1);
if (eeprom->product)
strcpy(eeprom->serial, serial);
}
-
if (ftdi->type == TYPE_R)
{
eeprom->max_power = 90;
eeprom->cbus_function[3] = CBUS_PWREN;
eeprom->cbus_function[4] = CBUS_SLEEP;
}
+ else if (ftdi->type == TYPE_230X)
+ {
+ eeprom->max_power = 90;
+ eeprom->size = 0x100;
+ eeprom->cbus_function[0] = CBUSH_TXDEN;
+ eeprom->cbus_function[1] = CBUSH_RXLED;
+ eeprom->cbus_function[2] = CBUSH_TXLED;
+ eeprom->cbus_function[3] = CBUSH_SLEEP;
+ }
else
{
if(ftdi->type == TYPE_232H)
}
eeprom->size = -1;
}
- eeprom->initialized_for_connected_device = 1;
+ switch (ftdi->type)
+ {
+ case TYPE_AM:
+ eeprom->release_number = 0x0200;
+ break;
+ case TYPE_BM:
+ eeprom->release_number = 0x0400;
+ break;
+ case TYPE_2232C:
+ eeprom->release_number = 0x0500;
+ break;
+ case TYPE_R:
+ eeprom->release_number = 0x0600;
+ break;
+ case TYPE_2232H:
+ eeprom->release_number = 0x0700;
+ break;
+ case TYPE_4232H:
+ eeprom->release_number = 0x0800;
+ break;
+ case TYPE_232H:
+ eeprom->release_number = 0x0900;
+ break;
+ case TYPE_230X:
+ eeprom->release_number = 0x1000;
+ break;
+ default:
+ eeprom->release_number = 0x00;
+ }
return 0;
}
+
+int ftdi_eeprom_set_strings(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;
+
+ if (ftdi->usb_dev == NULL)
+ ftdi_error_return(-3, "No connected device or device not yet opened");
+
+ if (manufacturer)
+ {
+ if (eeprom->manufacturer)
+ free (eeprom->manufacturer);
+ eeprom->manufacturer = malloc(strlen(manufacturer)+1);
+ if (eeprom->manufacturer)
+ strcpy(eeprom->manufacturer, manufacturer);
+ }
+
+ if(product)
+ {
+ if (eeprom->product)
+ free (eeprom->product);
+ eeprom->product = malloc(strlen(product)+1);
+ if (eeprom->product)
+ strcpy(eeprom->product, product);
+ }
+
+ if (serial)
+ {
+ if (eeprom->serial)
+ free (eeprom->serial);
+ eeprom->serial = malloc(strlen(serial)+1);
+ if (eeprom->serial)
+ {
+ strcpy(eeprom->serial, serial);
+ eeprom->use_serial = 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++)
+ for(i=0; i<5; i++)
{
int mode_low, mode_high;
if (eeprom->cbus_function[2*i]> CBUSH_CLK7_5)
if (eeprom->cbus_function[2*i+1]> CBUSH_CLK7_5)
mode_high = CBUSH_TRISTATE;
else
- mode_high = eeprom->cbus_function[2*i];
+ mode_high = eeprom->cbus_function[2*i+1];
- output[0x18+i] = mode_high <<4 | mode_low;
+ output[0x18+i] = (mode_high <<4) | mode_low;
}
}
/* Return the bits for the encoded EEPROM Structure of a requested Mode
{
switch (chip)
{
- case TYPE_2232H:
- case TYPE_2232C:
- {
- switch (type)
+ case TYPE_2232H:
+ case TYPE_2232C:
{
- 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;
+ 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 TYPE_232H:
{
- 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;
+ 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;
+ case TYPE_230X: /* FT230X is only UART */
+ default: return 0;
}
return 0;
-}
+}
/**
Build binary buffer from ftdi_eeprom structure.
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->size == -1)
+ {
+ if ((eeprom->chip == 0x56) || (eeprom->chip == 0x66))
+ eeprom->size = 0x100;
+ else
+ eeprom->size = 0x80;
+ }
if (eeprom->manufacturer != NULL)
manufacturer_size = strlen(eeprom->manufacturer);
user_area_size = 90; // two extra config bytes and 4 bytes PnP stuff
break;
case TYPE_R:
+ case TYPE_230X:
user_area_size = 88; // four extra config bytes + 4 bytes PnP stuff
break;
case TYPE_2232H: // six extra config bytes + 4 bytes PnP stuff
ftdi_error_return(-1,"eeprom size exceeded");
// empty eeprom
- memset (ftdi->eeprom->buf, 0, FTDI_MAX_EEPROM_SIZE);
+ if (ftdi->type == TYPE_230X)
+ {
+ /* FT230X have a reserved section in the middle of the MTP,
+ which cannot be written to, but must be included in the checksum */
+ memset(ftdi->eeprom->buf, 0, 0x80);
+ memset((ftdi->eeprom->buf + 0xa0), 0, (FTDI_MAX_EEPROM_SIZE - 0xa0));
+ }
+ else
+ {
+ memset(ftdi->eeprom->buf, 0, FTDI_MAX_EEPROM_SIZE);
+ }
// Bytes and Bits set for all Types
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;
- }
+ output[0x06] = eeprom->release_number;
+ output[0x07] = eeprom->release_number >> 8;
// Addr 08: Config descriptor
// Bit 7: always 1
// Bit 5: 1 if this device uses remote wakeup
// Bit 4-0: reserved - 0
j = 0x80;
- if (eeprom->self_powered == 1)
+ if (eeprom->self_powered)
j |= 0x40;
- if (eeprom->remote_wakeup == 1)
+ if (eeprom->remote_wakeup)
j |= 0x20;
output[0x08] = j;
// Addr 09: Max power consumption: max power = value * 2 mA
- output[0x09] = eeprom->max_power>>1;
+ output[0x09] = eeprom->max_power / MAX_POWER_MILLIAMP_PER_UNIT;
- if (ftdi->type != TYPE_AM)
+ if ((ftdi->type != TYPE_AM) && (ftdi->type != TYPE_230X))
{
// Addr 0A: Chip configuration
// Bit 7: 0 - reserved
// Bit 0: 1 - In EndPoint is Isochronous
//
j = 0;
- if (eeprom->in_is_isochronous == 1)
+ if (eeprom->in_is_isochronous)
j = j | 1;
- if (eeprom->out_is_isochronous == 1)
+ if (eeprom->out_is_isochronous)
j = j | 2;
output[0x0A] = j;
}
i = 0;
switch (ftdi->type)
{
- case TYPE_232H:
- i += 2;
case TYPE_2232H:
case TYPE_4232H:
i += 2;
case TYPE_AM:
case TYPE_BM:
i += 0x94;
+ break;
+ case TYPE_232H:
+ case TYPE_230X:
+ i = 0xa0;
+ break;
}
/* Wrap around 0x80 for 128 byte EEPROMS (Internale and 93x46) */
eeprom_size_mask = eeprom->size -1;
else
output[0x01] &= ~HIGH_CURRENT_DRIVE;
- if (eeprom->in_is_isochronous == 1)
+ if (eeprom->in_is_isochronous)
output[0x0A] |= 0x1;
else
output[0x0A] &= ~0x1;
- if (eeprom->out_is_isochronous == 1)
+ if (eeprom->out_is_isochronous)
output[0x0A] |= 0x2;
else
output[0x0A] &= ~0x2;
- if (eeprom->suspend_pull_downs == 1)
+ if (eeprom->suspend_pull_downs)
output[0x0A] |= 0x4;
else
output[0x0A] &= ~0x4;
output[0x00] |= HIGH_CURRENT_DRIVE_R;
output[0x01] = 0x40; /* Hard coded Endpoint Size*/
- if (eeprom->suspend_pull_downs == 1)
+ if (eeprom->suspend_pull_downs)
output[0x0A] |= 0x4;
else
output[0x0A] &= ~0x4;
else
output[0x01] &= ~SUSPEND_DBUS7_BIT;
- if (eeprom->suspend_pull_downs == 1)
+ if (eeprom->suspend_pull_downs)
output[0x0A] |= 0x4;
else
output[0x0A] &= ~0x4;
break;
case TYPE_4232H:
+ if (eeprom->channel_a_driver == DRIVER_VCP)
+ output[0x00] |= DRIVER_VCP;
+ else
+ output[0x00] &= ~DRIVER_VCP;
+ if (eeprom->channel_b_driver == DRIVER_VCP)
+ output[0x01] |= DRIVER_VCP;
+ else
+ output[0x01] &= ~DRIVER_VCP;
+ if (eeprom->channel_c_driver == DRIVER_VCP)
+ output[0x00] |= (DRIVER_VCP << 4);
+ else
+ output[0x00] &= ~(DRIVER_VCP << 4);
+ if (eeprom->channel_d_driver == DRIVER_VCP)
+ output[0x01] |= (DRIVER_VCP << 4);
+ else
+ output[0x01] &= ~(DRIVER_VCP << 4);
+
+ if (eeprom->suspend_pull_downs)
+ output[0x0a] |= 0x4;
+ else
+ output[0x0a] &= ~0x4;
+
+ if (eeprom->channel_a_rs485enable)
+ output[0x0b] |= CHANNEL_IS_RS485 << 0;
+ else
+ output[0x0b] &= ~(CHANNEL_IS_RS485 << 0);
+ if (eeprom->channel_b_rs485enable)
+ output[0x0b] |= CHANNEL_IS_RS485 << 1;
+ else
+ output[0x0b] &= ~(CHANNEL_IS_RS485 << 1);
+ if (eeprom->channel_c_rs485enable)
+ output[0x0b] |= CHANNEL_IS_RS485 << 2;
+ else
+ output[0x0b] &= ~(CHANNEL_IS_RS485 << 2);
+ if (eeprom->channel_d_rs485enable)
+ output[0x0b] |= CHANNEL_IS_RS485 << 3;
+ else
+ output[0x0b] &= ~(CHANNEL_IS_RS485 << 3);
+
+ 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;
- fprintf(stderr,"FIXME: Build FT4232H specific EEPROM settings\n");
+
break;
case TYPE_232H:
output[0x00] = type2bit(eeprom->channel_a_type, TYPE_232H);
output[0x01] |= POWER_SAVE_DISABLE_H;
else
output[0x01] &= ~POWER_SAVE_DISABLE_H;
+
+ if (eeprom->suspend_pull_downs)
+ output[0x0a] |= 0x4;
+ else
+ output[0x0a] &= ~0x4;
+
if (eeprom->clock_polarity)
output[0x01] |= FT1284_CLK_IDLE_STATE;
else
output[0x1e] = eeprom->chip;
fprintf(stderr,"FIXME: Build FT232H specific EEPROM settings\n");
break;
-
+ case TYPE_230X:
+ output[0x00] = 0x80; /* Actually, leave the default value */
+ output[0x0a] = 0x08; /* Enable USB Serial Number */
+ /*FIXME: Make DBUS & CBUS Control configurable*/
+ output[0x0c] = 0; /* DBUS drive 4mA, CBUS drive 4 mA like factory default */
+ for (j = 0; j <= 6; j++)
+ {
+ output[0x1a + j] = eeprom->cbus_function[j];
+ }
+ break;
}
// calculate checksum
for (i = 0; i < eeprom->size/2-1; i++)
{
- value = output[i*2];
- value += output[(i*2)+1] << 8;
-
+ if ((ftdi->type == TYPE_230X) && (i == 0x12))
+ {
+ /* FT230X has a user section in the MTP which is not part of the checksum */
+ i = 0x40;
+ }
+ if ((ftdi->type == TYPE_230X) && (i >= 0x40) && (i < 0x50)) {
+ uint16_t data;
+ if (ftdi_read_eeprom_location(ftdi, i, &data)) {
+ fprintf(stderr, "Reading Factory Configuration Data failed\n");
+ i = 0x50;
+ }
+ value = data;
+ }
+ else {
+ 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;
+ eeprom->initialized_for_connected_device = 1;
return user_area_size;
}
-/* Decode the encoded EEPROM field for the FTDI Mode into a value for the abstracted
+/* 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
{
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);
+ 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.
+ For FT-X devices use AN_201 FT-X MTP memory Configuration to decode.
+
\param ftdi pointer to ftdi_context
\param verbose Decode EEPROM on stdout
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;
+ unsigned char *buf = NULL;
if (ftdi == NULL)
ftdi_error_return(-1,"No context");
eeprom = ftdi->eeprom;
eeprom_size = eeprom->size;
+ buf = ftdi->eeprom->buf;
// 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 06: Device release number
+ eeprom->release_number = buf[0x06] + (buf[0x07]<<8);
// Addr 08: Config descriptor
// Bit 7: always 1
eeprom->remote_wakeup = buf[0x08] & 0x20;
// Addr 09: Max power consumption: max power = value * 2 mA
- eeprom->max_power = buf[0x09];
+ eeprom->max_power = MAX_POWER_MILLIAMP_PER_UNIT * buf[0x09];
// Addr 0A: Chip configuration
// Bit 7: 0 - reserved
{
// Decode manufacturer
i = buf[0x0E] & (eeprom_size -1); // offset
- for (j=0;j<manufacturer_size-1;j++)
+ for (j=0; j<manufacturer_size-1; j++)
{
eeprom->manufacturer[j] = buf[2*j+i+2];
}
{
// Decode product name
i = buf[0x10] & (eeprom_size -1); // offset
- for (j=0;j<product_size-1;j++)
+ for (j=0; j<product_size-1; j++)
{
eeprom->product[j] = buf[2*j+i+2];
}
{
// Decode serial
i = buf[0x12] & (eeprom_size -1); // offset
- for (j=0;j<serial_size-1;j++)
+ for (j=0; j<serial_size-1; j++)
{
eeprom->serial[j] = buf[2*j+i+2];
}
for (i = 0; i < eeprom_size/2-1; i++)
{
+ if ((ftdi->type == TYPE_230X) && (i == 0x12))
+ {
+ /* FT230X has a user section in the MTP which is not part of the checksum */
+ i = 0x40;
+ }
value = buf[i*2];
value += buf[(i*2)+1] << 8;
else if (ftdi->type == TYPE_R)
{
/* TYPE_R flags D2XX, not VCP as all others*/
- eeprom->channel_a_driver = (~buf[0x00]) & DRIVER_VCP;
+ eeprom->channel_a_driver = ~buf[0x00] & DRIVER_VCP;
eeprom->high_current = buf[0x00] & HIGH_CURRENT_DRIVE_R;
if ( (buf[0x01]&0x40) != 0x40)
fprintf(stderr,
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))
+ 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->channel_a_type = bit2type(buf[0x00] & 0x7);
+ eeprom->channel_b_type = bit2type(buf[0x01] & 0x7);
eeprom->suspend_dbus7 = buf[0x01] & SUSPEND_DBUS7_BIT;
+ }
+ else
+ {
+ eeprom->channel_c_driver = (buf[0x00] >> 4) & DRIVER_VCP;
+ eeprom->channel_d_driver = (buf[0x01] >> 4) & DRIVER_VCP;
+ eeprom->channel_a_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 0);
+ eeprom->channel_b_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 1);
+ eeprom->channel_c_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 2);
+ eeprom->channel_d_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 3);
+ }
eeprom->chip = buf[0x18];
eeprom->group0_drive = buf[0x0c] & DRIVE_16MA;
eeprom->chip = buf[0x1e];
/*FIXME: Decipher more values*/
}
+ else if (ftdi->type == TYPE_230X)
+ {
+ for(i=0; i<4; i++)
+ {
+ eeprom->cbus_function[i] = buf[0x1a + i] & 0xFF;
+ }
+ eeprom->group0_drive = buf[0x0c] & 0x03;
+ eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT;
+ eeprom->group0_slew = buf[0x0c] & SLOW_SLEW;
+ eeprom->group1_drive = (buf[0x0c] >> 4) & 0x03;
+ eeprom->group1_schmitt = (buf[0x0c] >> 4) & IS_SCHMITT;
+ eeprom->group1_slew = (buf[0x0c] >> 4) & SLOW_SLEW;
+ }
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);
+ fprintf(stdout, "Release: 0x%04x\n",eeprom->release_number);
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,
+ fprintf(stdout, "Bus Powered: %3d mA%s", eeprom->max_power,
(eeprom->remote_wakeup)?" USB Remote Wake Up\n":"\n");
if (eeprom->manufacturer)
fprintf(stdout, "Manufacturer: %s\n",eeprom->manufacturer);
{
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);
channel_mode[eeprom->channel_a_type],
(eeprom->channel_a_driver)?" VCP":"",
(eeprom->high_current_a)?" High Current IO":"");
- if (ftdi->type >= TYPE_232H)
+ 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))
+ }
+ if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H))
fprintf(stdout,"Channel B has Mode %s%s%s\n",
channel_mode[eeprom->channel_b_type],
(eeprom->channel_b_driver)?" VCP":"",
{
int i;
char *cbush_mux[] = {"TRISTATE","RXLED","TXLED", "TXRXLED","PWREN",
- "SLEEP","DRIVE_0","DRIVE_1","IOMODE","TXDEN",
- "CLK30","CLK15","CLK7_5"
- };
+ "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":"",
fprintf(stdout,"C%d Function: %s\n", i,
cbush_mux[eeprom->cbus_function[i]]);
}
-
+ }
+ else if (ftdi->type == TYPE_230X)
+ {
+ int i;
+ char *cbush_mux[] = {"TRISTATE","RXLED","TXLED", "TXRXLED","PWREN",
+ "SLEEP","DRIVE_0","DRIVE_1","IOMODE","TXDEN",
+ "CLK24","CLK12","CLK6","BAT_DETECT","BAT_DETECT#",
+ "I2C_TXE#", "I2C_RXF#", "VBUS_SENSE", "BB_WR#",
+ "BBRD#", "TIME_STAMP", "AWAKE#",
+ };
+ fprintf(stdout,"DBUS has %d mA drive%s%s\n",
+ (eeprom->group0_drive+1) *4,
+ (eeprom->group0_schmitt)?" Schmitt Input":"",
+ (eeprom->group0_slew)?" Slow Slew":"");
+ fprintf(stdout,"CBUS 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<4; i++)
+ {
+ if (eeprom->cbus_function[i]<= CBUSH_AWAKE)
+ fprintf(stdout,"CBUS%d Function: %s\n", i, cbush_mux[eeprom->cbus_function[i]]);
+ }
}
if (ftdi->type == TYPE_R)
case PRODUCT_ID:
*value = ftdi->eeprom->product_id;
break;
+ case RELEASE_NUMBER:
+ *value = ftdi->eeprom->release_number;
+ break;
case SELF_POWERED:
*value = ftdi->eeprom->self_powered;
break;
case CHANNEL_B_DRIVER:
*value = ftdi->eeprom->channel_b_driver;
break;
+ case CHANNEL_C_DRIVER:
+ *value = ftdi->eeprom->channel_c_driver;
+ break;
+ case CHANNEL_D_DRIVER:
+ *value = ftdi->eeprom->channel_d_driver;
+ break;
+ case CHANNEL_A_RS485:
+ *value = ftdi->eeprom->channel_a_rs485enable;
+ break;
+ case CHANNEL_B_RS485:
+ *value = ftdi->eeprom->channel_b_rs485enable;
+ break;
+ case CHANNEL_C_RS485:
+ *value = ftdi->eeprom->channel_c_rs485enable;
+ break;
+ case CHANNEL_D_RS485:
+ *value = ftdi->eeprom->channel_d_rs485enable;
+ break;
case CBUS_FUNCTION_0:
*value = ftdi->eeprom->cbus_function[0];
break;
case GROUP3_SLEW:
*value = ftdi->eeprom->group3_slew;
break;
- case POWER_SAVE:
+ case POWER_SAVE:
*value = ftdi->eeprom->powersave;
break;
- case CLOCK_POLARITY:
+ case CLOCK_POLARITY:
*value = ftdi->eeprom->clock_polarity;
break;
- case DATA_ORDER:
+ case DATA_ORDER:
*value = ftdi->eeprom->data_order;
break;
- case FLOW_CONTROL:
+ case FLOW_CONTROL:
*value = ftdi->eeprom->flow_control;
break;
- case CHIP_TYPE:
+ case CHIP_TYPE:
*value = ftdi->eeprom->chip;
break;
case CHIP_SIZE:
case PRODUCT_ID:
ftdi->eeprom->product_id = value;
break;
+ case RELEASE_NUMBER:
+ ftdi->eeprom->release_number = value;
+ break;
case SELF_POWERED:
ftdi->eeprom->self_powered = value;
break;
case CHANNEL_B_DRIVER:
ftdi->eeprom->channel_b_driver = value;
break;
+ case CHANNEL_C_DRIVER:
+ ftdi->eeprom->channel_c_driver = value;
+ break;
+ case CHANNEL_D_DRIVER:
+ ftdi->eeprom->channel_d_driver = value;
+ break;
+ case CHANNEL_A_RS485:
+ ftdi->eeprom->channel_a_rs485enable = value;
+ break;
+ case CHANNEL_B_RS485:
+ ftdi->eeprom->channel_b_rs485enable = value;
+ break;
+ case CHANNEL_C_RS485:
+ ftdi->eeprom->channel_c_rs485enable = value;
+ break;
+ case CHANNEL_D_RS485:
+ ftdi->eeprom->channel_d_rs485enable = value;
+ break;
case CBUS_FUNCTION_0:
ftdi->eeprom->cbus_function[0] = value;
break;
case CHIP_TYPE:
ftdi->eeprom->chip = value;
break;
- case POWER_SAVE:
+ case POWER_SAVE:
ftdi->eeprom->powersave = value;
break;
- case CLOCK_POLARITY:
+ case CLOCK_POLARITY:
ftdi->eeprom->clock_polarity = value;
break;
- case DATA_ORDER:
+ case DATA_ORDER:
ftdi->eeprom->data_order = value;
break;
- case FLOW_CONTROL:
+ case FLOW_CONTROL:
ftdi->eeprom->flow_control = value;
break;
case CHIP_SIZE:
default :
ftdi_error_return(-1, "Request to unknown EEPROM value");
}
+ ftdi->eeprom->initialized_for_connected_device = 0;
return 0;
}
}
if (ftdi_read_eeprom_location( ftdi, chip_type_location>>1, &chip_type))
- ftdi_error_return(-5, "Reading failed failed");
+ ftdi_error_return(-5, "Reading failed");
fprintf(stderr," loc 0x%04x val 0x%04x\n", chip_type_location,chip_type);
if ((chip_type & 0xff) != 0x66)
{
for (i = 0; i < ftdi->eeprom->size/2; i++)
{
+ /* Do not try to write to reserved area */
+ if ((ftdi->type == TYPE_230X) && (i == 0x40))
+ {
+ i = 0x50;
+ }
usb_val = eeprom[i*2];
usb_val += eeprom[(i*2)+1] << 8;
if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
if (ftdi == NULL || ftdi->usb_dev == NULL)
ftdi_error_return(-2, "USB device unavailable");
- if (ftdi->type == TYPE_R)
+ if ((ftdi->type == TYPE_R) || (ftdi->type == TYPE_230X))
{
ftdi->eeprom->chip = 0;
return 0;
NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-3, "Writing magic failed");
if (ftdi_read_eeprom_location( ftdi, 0x00, &eeprom_value))
- ftdi_error_return(-4, "Reading failed failed");
+ ftdi_error_return(-4, "Reading failed");
if (eeprom_value == MAGIC)
{
ftdi->eeprom->chip = 0x46;
else
{
if (ftdi_read_eeprom_location( ftdi, 0x40, &eeprom_value))
- ftdi_error_return(-4, "Reading failed failed");
+ ftdi_error_return(-4, "Reading failed");
if (eeprom_value == MAGIC)
ftdi->eeprom->chip = 0x56;
else
{
if (ftdi_read_eeprom_location( ftdi, 0xc0, &eeprom_value))
- ftdi_error_return(-4, "Reading failed failed");
+ ftdi_error_return(-4, "Reading failed");
if (eeprom_value == MAGIC)
ftdi->eeprom->chip = 0x66;
else