ftdi.c - description
-------------------
begin : Fri Apr 4 2003
- copyright : (C) 2003-2013 by Intra2net AG and the libftdi developers
+ copyright : (C) 2003-2020 by Intra2net AG and the libftdi developers
email : opensource@intra2net.com
+ SPDX-License-Identifier: LGPL-2.1-only
***************************************************************************/
/***************************************************************************
\mainpage libftdi API documentation
Library to talk to FTDI chips. You find the latest versions of libftdi at
- http://www.intra2net.com/en/developer/libftdi/
+ https://www.intra2net.com/en/developer/libftdi/
The library is easy to use. Have a look at this short example:
\include simple.c
#include <stdlib.h>
#include "ftdi_i.h"
+/* Prevent deprecated messages when building library */
+#define _FTDI_DISABLE_DEPRECATED
#include "ftdi.h"
#include "ftdi_version_i.h"
*/
int ftdi_init(struct ftdi_context *ftdi)
{
- struct ftdi_eeprom* eeprom = (struct ftdi_eeprom *)malloc(sizeof(struct ftdi_eeprom));
+ struct ftdi_eeprom* eeprom;
ftdi->usb_ctx = NULL;
ftdi->usb_dev = NULL;
ftdi->usb_read_timeout = 5000;
ftdi_set_interface(ftdi, INTERFACE_ANY);
ftdi->bitbang_mode = 1; /* when bitbang is enabled this holds the number of the mode */
+ eeprom = (struct ftdi_eeprom *)malloc(sizeof(struct ftdi_eeprom));
if (eeprom == 0)
ftdi_error_return(-2, "Can't malloc struct ftdi_eeprom");
memset(eeprom, 0, sizeof(struct ftdi_eeprom));
*
* @return ftdi_version_info Library version information
**/
-struct ftdi_version_info ftdi_get_library_version()
+struct ftdi_version_info ftdi_get_library_version(void)
{
struct ftdi_version_info 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, 0x403:0x6015)
\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 || product) &&
+ desc.idVendor == vendor && desc.idProduct == product) ||
+ (!(vendor || product) &&
+ (desc.idVendor == 0x403) && (desc.idProduct == 0x6001 || desc.idProduct == 0x6010
+ || desc.idProduct == 0x6011 || desc.idProduct == 0x6014
+ || desc.idProduct == 0x6015)))
{
*curdev = (struct ftdi_device_list*)malloc(sizeof(struct ftdi_device_list));
if (!*curdev)
\retval -9: get serial number failed
\retval -11: libusb_get_device_descriptor() failed
*/
-int ftdi_usb_get_strings(struct ftdi_context * ftdi, struct libusb_device * dev,
- char * manufacturer, int mnf_len, char * description, int desc_len, char * serial, int serial_len)
+int ftdi_usb_get_strings(struct ftdi_context *ftdi,
+ struct libusb_device *dev,
+ char *manufacturer, int mnf_len,
+ char *description, int desc_len,
+ char *serial, int serial_len)
+{
+ int ret;
+
+ if ((ftdi==NULL) || (dev==NULL))
+ return -1;
+
+ if (ftdi->usb_dev == NULL && libusb_open(dev, &ftdi->usb_dev) < 0)
+ ftdi_error_return(-4, "libusb_open() failed");
+
+ // ftdi->usb_dev will not be NULL when entering ftdi_usb_get_strings2(), so
+ // it won't be closed either. This allows us to close it whether we actually
+ // called libusb_open() up above or not. This matches the expected behavior
+ // (and note) for ftdi_usb_get_strings().
+ ret = ftdi_usb_get_strings2(ftdi, dev,
+ manufacturer, mnf_len,
+ description, desc_len,
+ serial, serial_len);
+
+ // only close it if it was successful, as all other return codes close
+ // before returning already.
+ if (ret == 0)
+ ftdi_usb_close_internal(ftdi);
+
+ return ret;
+}
+
+/**
+ Return device ID strings from the usb device.
+
+ The parameters manufacturer, description and serial may be NULL
+ or pointer to buffers to store the fetched strings.
+
+ \note The old function ftdi_usb_get_strings() always closes the device.
+ This version only closes the device if it was opened by it.
+
+ \param ftdi pointer to ftdi_context
+ \param dev libusb usb_dev to use
+ \param manufacturer Store manufacturer string here if not NULL
+ \param mnf_len Buffer size of manufacturer string
+ \param description Store product description string here if not NULL
+ \param desc_len Buffer size of product description string
+ \param serial Store serial string here if not NULL
+ \param serial_len Buffer size of serial string
+
+ \retval 0: all fine
+ \retval -1: wrong arguments
+ \retval -4: unable to open device
+ \retval -7: get product manufacturer failed
+ \retval -8: get product description failed
+ \retval -9: get serial number failed
+ \retval -11: libusb_get_device_descriptor() failed
+*/
+int ftdi_usb_get_strings2(struct ftdi_context *ftdi, struct libusb_device *dev,
+ char *manufacturer, int mnf_len,
+ char *description, int desc_len,
+ char *serial, int serial_len)
{
struct libusb_device_descriptor desc;
+ char need_open;
if ((ftdi==NULL) || (dev==NULL))
return -1;
- if (libusb_open(dev, &ftdi->usb_dev) < 0)
+ need_open = (ftdi->usb_dev == NULL);
+ if (need_open && libusb_open(dev, &ftdi->usb_dev) < 0)
ftdi_error_return(-4, "libusb_open() failed");
if (libusb_get_device_descriptor(dev, &desc) < 0)
}
}
- ftdi_usb_close_internal (ftdi);
+ if (need_open)
+ ftdi_usb_close_internal (ftdi);
return 0;
}
// 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;
if (libusb_detach_kernel_driver(ftdi->usb_dev, ftdi->interface) !=0)
detach_errno = errno;
}
+ else if (ftdi->module_detach_mode == AUTO_DETACH_REATACH_SIO_MODULE)
+ {
+ if (libusb_set_auto_detach_kernel_driver(ftdi->usb_dev, 1) != LIBUSB_SUCCESS)
+ detach_errno = errno;
+ }
if (libusb_get_configuration (ftdi->usb_dev, &cfg) < 0)
ftdi_error_return(-12, "libusb_get_configuration () failed");
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);
\retval -9: get serial number failed
\retval -10: unable to close device
\retval -11: ftdi context invalid
+ \retval -12: libusb_get_device_list() failed
*/
int ftdi_usb_open_desc_index(struct ftdi_context *ftdi, int vendor, int product,
const char* description, const char* serial, unsigned int index)
}
/**
+ Opens the device at a given USB bus and device address.
+
+ \param ftdi pointer to ftdi_context
+ \param bus Bus number
+ \param addr Device address
+
+ \retval 0: all fine
+ \retval -1: usb_find_busses() failed
+ \retval -2: usb_find_devices() failed
+ \retval -3: usb device not found
+ \retval -4: unable to open device
+ \retval -5: unable to claim device
+ \retval -6: reset failed
+ \retval -7: set baudrate failed
+ \retval -8: get product description failed
+ \retval -9: get serial number failed
+ \retval -10: unable to close device
+ \retval -11: ftdi context invalid
+ \retval -12: libusb_get_device_list() failed
+*/
+int ftdi_usb_open_bus_addr(struct ftdi_context *ftdi, uint8_t bus, uint8_t addr)
+{
+ libusb_device *dev;
+ libusb_device **devs;
+ int i = 0;
+
+ if (ftdi == NULL)
+ ftdi_error_return(-11, "ftdi context invalid");
+
+ if (libusb_get_device_list(ftdi->usb_ctx, &devs) < 0)
+ ftdi_error_return(-12, "libusb_get_device_list() failed");
+
+ while ((dev = devs[i++]) != NULL)
+ {
+ if (libusb_get_bus_number(dev) == bus && libusb_get_device_address(dev) == addr)
+ {
+ int res;
+ res = ftdi_usb_open_dev(ftdi, dev);
+ libusb_free_device_list(devs,1);
+ return res;
+ }
+ }
+
+ // device not found
+ ftdi_error_return_free_device_list(-3, "device not found", devs);
+}
+
+/**
Opens the ftdi-device described by a description-string.
Intended to be used for parsing a device-description given as commandline argument.
/**
Clears the read buffer on the chip and the internal read buffer.
+ This is the correct behavior for an RX flush.
\param ftdi pointer to ftdi_context
\retval -1: read buffer purge failed
\retval -2: USB device unavailable
*/
+int ftdi_tciflush(struct ftdi_context *ftdi)
+{
+ if (ftdi == NULL || ftdi->usb_dev == NULL)
+ ftdi_error_return(-2, "USB device unavailable");
+
+ if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
+ SIO_RESET_REQUEST, SIO_TCIFLUSH,
+ ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0)
+ ftdi_error_return(-1, "FTDI purge of RX buffer failed");
+
+ // Invalidate data in the readbuffer
+ ftdi->readbuffer_offset = 0;
+ ftdi->readbuffer_remaining = 0;
+
+ return 0;
+}
+
+
+/**
+ Clears the write buffer on the chip and the internal read buffer.
+ This is incorrect behavior for an RX flush.
+
+ \param ftdi pointer to ftdi_context
+
+ \retval 0: all fine
+ \retval -1: write buffer purge failed
+ \retval -2: USB device unavailable
+
+ \deprecated Use \ref ftdi_tciflush(struct ftdi_context *ftdi)
+*/
int ftdi_usb_purge_rx_buffer(struct ftdi_context *ftdi)
{
if (ftdi == NULL || ftdi->usb_dev == NULL)
/**
Clears the write buffer on the chip.
+ This is correct behavior for a TX flush.
\param ftdi pointer to ftdi_context
\retval -1: write buffer purge failed
\retval -2: USB device unavailable
*/
+int ftdi_tcoflush(struct ftdi_context *ftdi)
+{
+ if (ftdi == NULL || ftdi->usb_dev == NULL)
+ ftdi_error_return(-2, "USB device unavailable");
+
+ if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
+ SIO_RESET_REQUEST, SIO_TCOFLUSH,
+ ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0)
+ ftdi_error_return(-1, "FTDI purge of TX buffer failed");
+
+ return 0;
+}
+
+
+/**
+ Clears the read buffer on the chip.
+ This is incorrect behavior for a TX flush.
+
+ \param ftdi pointer to ftdi_context
+
+ \retval 0: all fine
+ \retval -1: read buffer purge failed
+ \retval -2: USB device unavailable
+
+ \deprecated Use \ref ftdi_tcoflush(struct ftdi_context *ftdi)
+*/
int ftdi_usb_purge_tx_buffer(struct ftdi_context *ftdi)
{
if (ftdi == NULL || ftdi->usb_dev == NULL)
}
/**
+ Clears the RX and TX FIFOs on the chip and the internal read buffer.
+ This is correct behavior for both RX and TX flush.
+
+ \param ftdi pointer to ftdi_context
+
+ \retval 0: all fine
+ \retval -1: read buffer purge failed
+ \retval -2: write buffer purge failed
+ \retval -3: USB device unavailable
+*/
+int ftdi_tcioflush(struct ftdi_context *ftdi)
+{
+ int result;
+
+ if (ftdi == NULL || ftdi->usb_dev == NULL)
+ ftdi_error_return(-3, "USB device unavailable");
+
+ result = ftdi_tcoflush(ftdi);
+ if (result < 0)
+ return -1;
+
+ result = ftdi_tciflush(ftdi);
+ if (result < 0)
+ return -2;
+
+ return 0;
+}
+
+/**
Clears the buffers on the chip and the internal read buffer.
+ While coded incorrectly, the result is satisfactory.
\param ftdi pointer to ftdi_context
\retval -1: read buffer purge failed
\retval -2: write buffer purge failed
\retval -3: USB device unavailable
+
+ \deprecated Use \ref ftdi_tcioflush(struct ftdi_context *ftdi)
*/
int ftdi_usb_purge_buffers(struct ftdi_context *ftdi)
{
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
static const char am_adjust_up[8] = {0, 0, 0, 1, 0, 3, 2, 1};
static const char am_adjust_dn[8] = {0, 0, 0, 1, 0, 1, 2, 3};
int divisor, best_divisor, best_baud, best_baud_diff;
- divisor = 24000000 / baudrate;
int i;
+ divisor = 24000000 / baudrate;
// Round down to supported fraction (AM only)
divisor -= am_adjust_dn[divisor & 7];
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*/
else
best_baud = ftdi_to_clkbits(baudrate, C_CLK, 16, &encoded_divisor);
}
- else if ((ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C) || (ftdi->type == TYPE_R ))
+ else if ((ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C) || (ftdi->type == TYPE_R) || (ftdi->type == TYPE_230X))
{
best_baud = ftdi_to_clkbits(baudrate, C_CLK, 16, &encoded_divisor);
}
}
// 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;
return offset;
}
-static void ftdi_read_data_cb(struct libusb_transfer *transfer)
+static void LIBUSB_CALL ftdi_read_data_cb(struct libusb_transfer *transfer)
{
struct ftdi_transfer_control *tc = (struct ftdi_transfer_control *) transfer->user_data;
struct ftdi_context *ftdi = tc->ftdi;
}
}
}
- ret = libusb_submit_transfer (transfer);
- if (ret < 0)
- tc->completed = 1;
+
+ if (transfer->status == LIBUSB_TRANSFER_CANCELLED)
+ tc->completed = LIBUSB_TRANSFER_CANCELLED;
+ else
+ {
+ ret = libusb_submit_transfer (transfer);
+ if (ret < 0)
+ tc->completed = 1;
+ }
}
-static void ftdi_write_data_cb(struct libusb_transfer *transfer)
+static void LIBUSB_CALL ftdi_write_data_cb(struct libusb_transfer *transfer)
{
struct ftdi_transfer_control *tc = (struct ftdi_transfer_control *) transfer->user_data;
struct ftdi_context *ftdi = tc->ftdi;
transfer->length = write_size;
transfer->buffer = tc->buf + tc->offset;
- ret = libusb_submit_transfer (transfer);
- if (ret < 0)
- tc->completed = 1;
+
+ if (transfer->status == LIBUSB_TRANSFER_CANCELLED)
+ tc->completed = LIBUSB_TRANSFER_CANCELLED;
+ else
+ {
+ ret = libusb_submit_transfer (transfer);
+ if (ret < 0)
+ tc->completed = 1;
+ }
}
}
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);
int ftdi_transfer_data_done(struct ftdi_transfer_control *tc)
{
int ret;
-
+ struct timeval to = { 0, 0 };
while (!tc->completed)
{
- ret = libusb_handle_events(tc->ftdi->usb_ctx);
+ ret = libusb_handle_events_timeout_completed(tc->ftdi->usb_ctx,
+ &to, &tc->completed);
if (ret < 0)
{
if (ret == LIBUSB_ERROR_INTERRUPTED)
continue;
libusb_cancel_transfer(tc->transfer);
while (!tc->completed)
- if (libusb_handle_events(tc->ftdi->usb_ctx) < 0)
+ if (libusb_handle_events_timeout_completed(tc->ftdi->usb_ctx,
+ &to, &tc->completed) < 0)
break;
libusb_free_transfer(tc->transfer);
free (tc);
}
/**
+ Cancel transfer and wait for completion.
+
+ Use libusb 1.0 asynchronous API.
+
+ \param tc pointer to ftdi_transfer_control
+ \param to pointer to timeout value or NULL for infinite
+*/
+
+void ftdi_transfer_data_cancel(struct ftdi_transfer_control *tc,
+ struct timeval * to)
+{
+ struct timeval tv = { 0, 0 };
+
+ if (!tc->completed && tc->transfer != NULL)
+ {
+ if (to == NULL)
+ to = &tv;
+
+ libusb_cancel_transfer(tc->transfer);
+ while (!tc->completed)
+ {
+ if (libusb_handle_events_timeout_completed(tc->ftdi->usb_ctx, to, &tc->completed) < 0)
+ break;
+ }
+ }
+
+ if (tc->transfer)
+ libusb_free_transfer(tc->transfer);
+
+ free (tc);
+}
+
+/**
Configure write buffer chunk size.
Default is 4096.
/**
Reads data in chunks (see ftdi_read_data_set_chunksize()) from the chip.
- Automatically strips the two modem status bytes transfered during every read.
+ Automatically strips the two modem status bytes transferred during every read.
\param ftdi pointer to ftdi_context
\param buf Buffer to store data in
int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size)
{
int offset = 0, ret, i, num_of_chunks, chunk_remains;
- int packet_size = ftdi->max_packet_size;
+ int packet_size;
int actual_length = 1;
if (ftdi == NULL || ftdi->usb_dev == NULL)
ftdi_error_return(-666, "USB device unavailable");
// Packet size sanity check (avoid division by zero)
+ packet_size = ftdi->max_packet_size;
if (packet_size == 0)
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);
/**
Set flowcontrol for ftdi chip
+ Note: Do not use this function to enable XON/XOFF mode, use ftdi_setflowctrl_xonxoff() instead.
+
\param ftdi pointer to ftdi_context
\param flowctrl flow control to use. should be
- SIO_DISABLE_FLOW_CTRL, SIO_RTS_CTS_HS, SIO_DTR_DSR_HS or SIO_XON_XOFF_HS
+ SIO_DISABLE_FLOW_CTRL, SIO_RTS_CTS_HS, SIO_DTR_DSR_HS
\retval 0: all fine
\retval -1: set flow control failed
}
/**
+ Set XON/XOFF flowcontrol for ftdi chip
+
+ \param ftdi pointer to ftdi_context
+ \param xon character code used to resume transmission
+ \param xoff character code used to pause transmission
+
+ \retval 0: all fine
+ \retval -1: set flow control failed
+ \retval -2: USB device unavailable
+*/
+int ftdi_setflowctrl_xonxoff(struct ftdi_context *ftdi, unsigned char xon, unsigned char xoff)
+{
+ if (ftdi == NULL || ftdi->usb_dev == NULL)
+ ftdi_error_return(-2, "USB device unavailable");
+
+ uint16_t xonxoff = xon | (xoff << 8);
+ if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
+ SIO_SET_FLOW_CTRL_REQUEST, xonxoff, (SIO_XON_XOFF_HS | ftdi->index),
+ NULL, 0, ftdi->usb_write_timeout) < 0)
+ ftdi_error_return(-1, "set flow control failed");
+
+ return 0;
+}
+
+/**
Set dtr line
\param ftdi pointer to ftdi_context
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
eeprom->manufacturer = NULL;
if (manufacturer)
{
- eeprom->manufacturer = malloc(strlen(manufacturer)+1);
+ eeprom->manufacturer = (char *)malloc(strlen(manufacturer)+1);
if (eeprom->manufacturer)
strcpy(eeprom->manufacturer, manufacturer);
}
eeprom->product = NULL;
if(product)
{
- eeprom->product = malloc(strlen(product)+1);
+ eeprom->product = (char *)malloc(strlen(product)+1);
if (eeprom->product)
strcpy(eeprom->product, product);
}
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);
+ eeprom->product = (char *)malloc(strlen(default_product) +1);
if (eeprom->product)
strcpy(eeprom->product, default_product);
}
eeprom->serial = NULL;
if (serial)
{
- eeprom->serial = malloc(strlen(serial)+1);
+ eeprom->serial = (char *)malloc(strlen(serial)+1);
if (eeprom->serial)
strcpy(eeprom->serial, serial);
}
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] = CBUSX_TXDEN;
+ eeprom->cbus_function[1] = CBUSX_RXLED;
+ eeprom->cbus_function[2] = CBUSX_TXLED;
+ eeprom->cbus_function[3] = CBUSX_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, const char * manufacturer,
+ const char * product, const 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 = (char *)malloc(strlen(manufacturer)+1);
+ if (eeprom->manufacturer)
+ strcpy(eeprom->manufacturer, manufacturer);
+ }
+
+ if(product)
+ {
+ if (eeprom->product)
+ free (eeprom->product);
+ eeprom->product = (char *)malloc(strlen(product)+1);
+ if (eeprom->product)
+ strcpy(eeprom->product, product);
+ }
+
+ if (serial)
+ {
+ if (eeprom->serial)
+ free (eeprom->serial);
+ eeprom->serial = (char *)malloc(strlen(serial)+1);
+ if (eeprom->serial)
+ {
+ strcpy(eeprom->serial, serial);
+ eeprom->use_serial = 1;
+ }
+ }
+ return 0;
+}
+
+/**
+ Return device ID strings from the eeprom. Device needs to be connected.
+
+ The parameters manufacturer, description and serial may be NULL
+ or pointer to buffers to store the fetched strings.
+
+ \param ftdi pointer to ftdi_context
+ \param manufacturer Store manufacturer string here if not NULL
+ \param mnf_len Buffer size of manufacturer string
+ \param product Store product description string here if not NULL
+ \param prod_len Buffer size of product description string
+ \param serial Store serial string here if not NULL
+ \param serial_len Buffer size of serial string
+
+ \retval 0: all fine
+ \retval -1: ftdi context invalid
+ \retval -2: ftdi eeprom buffer invalid
+*/
+int ftdi_eeprom_get_strings(struct ftdi_context *ftdi,
+ char *manufacturer, int mnf_len,
+ char *product, int prod_len,
+ char *serial, int serial_len)
+{
+ 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 (manufacturer)
+ {
+ strncpy(manufacturer, eeprom->manufacturer, mnf_len);
+ if (mnf_len > 0)
+ manufacturer[mnf_len - 1] = '\0';
+ }
+
+ if (product)
+ {
+ strncpy(product, eeprom->product, prod_len);
+ if (prod_len > 0)
+ product[prod_len - 1] = '\0';
+ }
+
+ if (serial)
+ {
+ strncpy(serial, eeprom->serial, serial_len);
+ if (serial_len > 0)
+ serial[serial_len - 1] = '\0';
+ }
+
return 0;
}
-/*FTD2XX doesn't check for values not fitting in the ACBUS Signal oprtions*/
+
+/*FTD2XX doesn't check for values not fitting in the ACBUS Signal options*/
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)
{
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_R:
+ {
+ switch (type)
+ {
+ case CHANNEL_IS_UART : return 0;
+ case CHANNEL_IS_FIFO : return 0x01;
+ default: return 0;
+ }
+ }
+ case TYPE_230X: /* FT230X is only UART */
+ default: return 0;
}
return 0;
-}
+}
/**
Build binary buffer from ftdi_eeprom structure.
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;
+ int user_area_size, free_start, free_end;
struct ftdi_eeprom *eeprom;
unsigned char * output;
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);
{
case TYPE_AM:
case TYPE_BM:
+ case TYPE_R:
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:
+ 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 / 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;
+ free_end = i & eeprom_size_mask;
// Addr 0E: Offset of the manufacturer string + 0x80, calculated later
// Addr 0F: Length of manufacturer string
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)
+ if (eeprom->use_usb_version)
output[0x0A] |= USE_USB_VERSION_BIT;
else
output[0x0A] &= ~USE_USB_VERSION_BIT;
case TYPE_2232C:
output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232C);
- if ( eeprom->channel_a_driver == DRIVER_VCP)
+ if (eeprom->channel_a_driver)
output[0x00] |= DRIVER_VCP;
else
output[0x00] &= ~DRIVER_VCP;
- if ( eeprom->high_current_a == HIGH_CURRENT_DRIVE)
+ if (eeprom->high_current_a)
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)
+ if (eeprom->channel_b_driver)
output[0x01] |= DRIVER_VCP;
else
output[0x01] &= ~DRIVER_VCP;
- if ( eeprom->high_current_b == HIGH_CURRENT_DRIVE)
+ if (eeprom->high_current_b)
output[0x01] |= HIGH_CURRENT_DRIVE;
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;
- if (eeprom->use_usb_version == USE_USB_VERSION_BIT)
+ if (eeprom->use_usb_version)
output[0x0A] |= USE_USB_VERSION_BIT;
else
output[0x0A] &= ~USE_USB_VERSION_BIT;
output[0x14] = eeprom->chip;
break;
case TYPE_R:
- if (eeprom->high_current == HIGH_CURRENT_DRIVE_R)
+ output[0x00] = type2bit(eeprom->channel_a_type, TYPE_R);
+ if (eeprom->high_current)
output[0x00] |= HIGH_CURRENT_DRIVE_R;
+
+ /* Field is inverted for TYPE_R: Bit 00.3 set to 1 is D2XX, VCP is 0 */
+ if (eeprom->channel_a_driver)
+ output[0x00] &= ~DRIVER_VCP;
+ else
+ output[0x00] |= DRIVER_VCP;
+
+ if (eeprom->external_oscillator)
+ output[0x00] |= 0x02;
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;
output[0x0C] = eeprom->usb_version & 0xff;
output[0x0D] = (eeprom->usb_version>>8) & 0xff;
- if (eeprom->cbus_function[0] > CBUS_BB)
+ if (eeprom->cbus_function[0] > CBUS_BB_RD)
output[0x14] = CBUS_TXLED;
else
output[0x14] = eeprom->cbus_function[0];
- if (eeprom->cbus_function[1] > CBUS_BB)
+ if (eeprom->cbus_function[1] > CBUS_BB_RD)
output[0x14] |= CBUS_RXLED<<4;
else
output[0x14] |= eeprom->cbus_function[1]<<4;
- if (eeprom->cbus_function[2] > CBUS_BB)
+ if (eeprom->cbus_function[2] > CBUS_BB_RD)
output[0x15] = CBUS_TXDEN;
else
output[0x15] = eeprom->cbus_function[2];
- if (eeprom->cbus_function[3] > CBUS_BB)
+ if (eeprom->cbus_function[3] > CBUS_BB_RD)
output[0x15] |= CBUS_PWREN<<4;
else
output[0x15] |= eeprom->cbus_function[3]<<4;
break;
case TYPE_2232H:
output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232H);
- if ( eeprom->channel_a_driver == DRIVER_VCP)
+ if (eeprom->channel_a_driver)
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)
+ if (eeprom->channel_b_driver)
output[0x01] |= DRIVER_VCP;
else
output[0x01] &= ~DRIVER_VCP;
- if (eeprom->suspend_dbus7 == SUSPEND_DBUS7_BIT)
+
+ if (eeprom->suspend_dbus7)
output[0x01] |= SUSPEND_DBUS7_BIT;
else
output[0x01] &= ~SUSPEND_DBUS7_BIT;
- if (eeprom->suspend_pull_downs == 1)
+ if (eeprom->suspend_pull_downs)
output[0x0A] |= 0x4;
else
output[0x0A] &= ~0x4;
output[0x0c] |= DRIVE_16MA;
else
output[0x0c] |= eeprom->group0_drive;
- if (eeprom->group0_schmitt == IS_SCHMITT)
+ if (eeprom->group0_schmitt)
output[0x0c] |= IS_SCHMITT;
- if (eeprom->group0_slew == SLOW_SLEW)
+ if (eeprom->group0_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)
+ if (eeprom->group1_schmitt)
output[0x0c] |= IS_SCHMITT<<4;
- if (eeprom->group1_slew == SLOW_SLEW)
+ if (eeprom->group1_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)
+ if (eeprom->group2_schmitt)
output[0x0d] |= IS_SCHMITT;
- if (eeprom->group2_slew == SLOW_SLEW)
+ if (eeprom->group2_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)
+ if (eeprom->group3_schmitt)
output[0x0d] |= IS_SCHMITT<<4;
- if (eeprom->group3_slew == SLOW_SLEW)
+ if (eeprom->group3_slew)
output[0x0d] |= SLOW_SLEW<<4;
output[0x18] = eeprom->chip;
break;
case TYPE_4232H:
- if (eeprom->channel_a_driver == DRIVER_VCP)
+ if (eeprom->channel_a_driver)
output[0x00] |= DRIVER_VCP;
else
output[0x00] &= ~DRIVER_VCP;
- if (eeprom->channel_b_driver == DRIVER_VCP)
+ if (eeprom->channel_b_driver)
output[0x01] |= DRIVER_VCP;
else
output[0x01] &= ~DRIVER_VCP;
- if (eeprom->channel_c_driver == DRIVER_VCP)
+ if (eeprom->channel_c_driver)
output[0x00] |= (DRIVER_VCP << 4);
else
output[0x00] &= ~(DRIVER_VCP << 4);
- if (eeprom->channel_d_driver == DRIVER_VCP)
+ if (eeprom->channel_d_driver)
output[0x01] |= (DRIVER_VCP << 4);
else
output[0x01] &= ~(DRIVER_VCP << 4);
- if (eeprom->suspend_pull_downs == 1)
+ if (eeprom->suspend_pull_downs)
output[0x0a] |= 0x4;
else
output[0x0a] &= ~0x4;
output[0x0c] |= DRIVE_16MA;
else
output[0x0c] |= eeprom->group0_drive;
- if (eeprom->group0_schmitt == IS_SCHMITT)
+ if (eeprom->group0_schmitt)
output[0x0c] |= IS_SCHMITT;
- if (eeprom->group0_slew == SLOW_SLEW)
+ if (eeprom->group0_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)
+ if (eeprom->group1_schmitt)
output[0x0c] |= IS_SCHMITT<<4;
- if (eeprom->group1_slew == SLOW_SLEW)
+ if (eeprom->group1_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)
+ if (eeprom->group2_schmitt)
output[0x0d] |= IS_SCHMITT;
- if (eeprom->group2_slew == SLOW_SLEW)
+ if (eeprom->group2_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)
+ if (eeprom->group3_schmitt)
output[0x0d] |= IS_SCHMITT<<4;
- if (eeprom->group3_slew == SLOW_SLEW)
+ if (eeprom->group3_slew)
output[0x0d] |= SLOW_SLEW<<4;
output[0x18] = eeprom->chip;
break;
case TYPE_232H:
output[0x00] = type2bit(eeprom->channel_a_type, TYPE_232H);
- if ( eeprom->channel_a_driver == DRIVER_VCP)
+ if (eeprom->channel_a_driver)
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->suspend_pull_downs)
+ output[0x0a] |= 0x4;
+ else
+ output[0x0a] &= ~0x4;
+
if (eeprom->clock_polarity)
output[0x01] |= FT1284_CLK_IDLE_STATE;
else
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)
+ if (eeprom->group0_schmitt)
output[0x0c] |= IS_SCHMITT;
- if (eeprom->group0_slew == SLOW_SLEW)
+ if (eeprom->group0_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)
+ if (eeprom->group1_schmitt)
output[0x0d] |= IS_SCHMITT;
- if (eeprom->group1_slew == SLOW_SLEW)
+ if (eeprom->group1_slew)
output[0x0d] |= SLOW_SLEW;
set_ft232h_cbus(eeprom, output);
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 */
+ /*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];
+ }
+ output[0x0b] = eeprom->invert;
+ break;
+ }
+
+ /* First address without use */
+ free_start = 0;
+ switch (ftdi->type)
+ {
+ case TYPE_230X:
+ free_start += 2;
+ case TYPE_232H:
+ free_start += 6;
+ case TYPE_2232H:
+ case TYPE_4232H:
+ free_start += 2;
+ case TYPE_R:
+ free_start += 2;
+ case TYPE_2232C:
+ free_start++;
+ case TYPE_AM:
+ case TYPE_BM:
+ free_start += 0x14;
+ }
+
+ /* Arbitrary user data */
+ if (eeprom->user_data && eeprom->user_data_size >= 0)
+ {
+ if (eeprom->user_data_addr < free_start)
+ fprintf(stderr,"Warning, user data starts inside the generated data!\n");
+ if (eeprom->user_data_addr + eeprom->user_data_size >= free_end)
+ fprintf(stderr,"Warning, user data overlaps the strings area!\n");
+ if (eeprom->user_data_addr + eeprom->user_data_size > eeprom->size)
+ ftdi_error_return(-1,"eeprom size exceeded");
+ memcpy(output + eeprom->user_data_addr, eeprom->user_data, eeprom->user_data_size);
}
// 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 230X / 232R type chips invert bits
+ * Prints directly to stdout.
+*/
+static void print_inverted_bits(int invert)
+{
+ const char *r_bits[] = {"TXD","RXD","RTS","CTS","DTR","DSR","DCD","RI"};
+ int i;
+
+ fprintf(stdout,"Inverted bits:");
+ for (i=0; i<8; i++)
+ if ((invert & (1<<i)) == (1<<i))
+ fprintf(stdout," %s",r_bits[i]);
+
+ fprintf(stdout,"\n");
+}
/**
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
*/
int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose)
{
- unsigned char i, j;
+ int 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;
+ 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
// 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;
+ 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 = MAX_POWER_MILLIAMP_PER_UNIT * buf[0x09];
// 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;
+ 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);
+ 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
free(eeprom->manufacturer);
if (manufacturer_size > 0)
{
- eeprom->manufacturer = malloc(manufacturer_size);
+ eeprom->manufacturer = (char *)malloc(manufacturer_size);
if (eeprom->manufacturer)
{
// 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];
}
product_size = buf[0x11]/2;
if (product_size > 0)
{
- eeprom->product = malloc(product_size);
+ eeprom->product = (char *)malloc(product_size);
if (eeprom->product)
{
// 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];
}
serial_size = buf[0x13]/2;
if (serial_size > 0)
{
- eeprom->serial = malloc(serial_size);
+ eeprom->serial = (char *)malloc(serial_size);
if (eeprom->serial)
{
// 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_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_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->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;
+ /* TYPE_R flags D2XX, not VCP as all others */
+ eeprom->channel_a_driver = !(buf[0x00] & DRIVER_VCP); /* note: inverted flag, use a single NOT */
+ eeprom->high_current = !!(buf[0x00] & HIGH_CURRENT_DRIVE_R);
+ eeprom->external_oscillator = !!(buf[0x00] & 0x02);
if ( (buf[0x01]&0x40) != 0x40)
fprintf(stderr,
"TYPE_R EEPROM byte[0x01] Bit 6 unexpected Endpoint size."
eeprom->chip = buf[0x16];
// Addr 0B: Invert data lines
// Works only on FT232R, not FT245R, but no way to distinguish
- eeprom->invert = buf[0x0B];
+ eeprom->invert = buf[0x0B]; /* note: not a bitflag */
// Addr 14: CBUS function: CBUS0, CBUS1
// Addr 15: CBUS function: CBUS2, CBUS3
// Addr 16: CBUS function: CBUS5
}
else if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H))
{
- eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP;
- eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP;
+ eeprom->channel_a_driver = !!(buf[0x00] & DRIVER_VCP);
+ 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;
+ 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->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->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;
+ eeprom->group0_drive = buf[0x0c] & DRIVE_16MA; /* not a bitflag */
+ eeprom->group0_schmitt = !!(buf[0x0c] & IS_SCHMITT);
+ eeprom->group0_slew = !!(buf[0x0c] & SLOW_SLEW);
+ eeprom->group1_drive = (buf[0x0c] >> 4) & DRIVE_16MA; /* not a bitflag */
+ eeprom->group1_schmitt = !!((buf[0x0c] >> 4) & IS_SCHMITT);
+ eeprom->group1_slew = !!((buf[0x0c] >> 4) & SLOW_SLEW);
+ eeprom->group2_drive = buf[0x0d] & DRIVE_16MA; /* not a bitflag */
+ eeprom->group2_schmitt = !!(buf[0x0d] & IS_SCHMITT);
+ eeprom->group2_slew = !!(buf[0x0d] & SLOW_SLEW);
+ eeprom->group3_drive = (buf[0x0d] >> 4) & DRIVE_16MA; /* not a bitflag */
+ 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;
+ eeprom->channel_a_driver = !!(buf[0x00] & DRIVER_VCPH);
+ 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; /* not a bitflag */
+ eeprom->group0_schmitt = !!(buf[0x0c] & IS_SCHMITT);
+ eeprom->group0_slew = !!(buf[0x0c] & SLOW_SLEW);
+ eeprom->group1_drive = buf[0x0d] & DRIVE_16MA; /* not a bitflag */
+ eeprom->group1_schmitt = !!(buf[0x0d] & IS_SCHMITT);
+ eeprom->group1_slew = !!(buf[0x0d] & SLOW_SLEW);
for(i=0; i<5; i++)
{
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] & DRIVE_16MA; /* not a bitflag */
+ eeprom->group0_schmitt = !!(buf[0x0c] & IS_SCHMITT);
+ eeprom->group0_slew = !!(buf[0x0c] & SLOW_SLEW);
+ eeprom->group1_drive = (buf[0x0c] >> 4) & DRIVE_16MA; /* not a bitflag */
+ eeprom->group1_schmitt = !!((buf[0x0c] >> 4) & IS_SCHMITT);
+ eeprom->group1_slew = !!((buf[0x0c] >> 4) & SLOW_SLEW);
+
+ eeprom->invert = buf[0xb]; /* not a bitflag */
+ }
if (verbose)
{
- char *channel_mode[] = {"UART", "FIFO", "CPU", "OPTO", "FT1284"};
+ const 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");
if (eeprom->serial)
fprintf(stdout, "Serial: %s\n",eeprom->serial);
fprintf(stdout, "Checksum : %04x\n", checksum);
- if (ftdi->type == TYPE_R)
+ if (ftdi->type == TYPE_R) {
fprintf(stdout, "Internal EEPROM\n");
+ fprintf(stdout,"Oscillator: %s\n", eeprom->external_oscillator?"External":"Internal");
+ }
else if (eeprom->chip >= 0x46)
fprintf(stdout, "Attached EEPROM: 93x%02x\n", eeprom->chip);
if (eeprom->suspend_dbus7)
{
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":"",
(eeprom->high_current_b)?" High Current IO":"");
if (((ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C)) &&
- eeprom->use_usb_version == USE_USB_VERSION_BIT)
+ eeprom->use_usb_version)
fprintf(stdout,"Use explicit USB Version %04x\n",eeprom->usb_version);
if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H))
}
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"
- };
+ const char *cbush_mux[] = {"TRISTATE","TXLED","RXLED", "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":"",
cbush_mux[eeprom->cbus_function[i]]);
}
}
+ else if (ftdi->type == TYPE_230X)
+ {
+ const char *cbusx_mux[] = {"TRISTATE","TXLED","RXLED", "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]<= CBUSX_AWAKE)
+ fprintf(stdout,"CBUS%d Function: %s\n", i, cbusx_mux[eeprom->cbus_function[i]]);
+ }
+
+ if (eeprom->invert)
+ print_inverted_bits(eeprom->invert);
+ }
if (ftdi->type == TYPE_R)
{
- char *cbus_mux[] = {"TXDEN","PWREN","RXLED", "TXLED","TX+RXLED",
+ const 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"};
+ const 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");
- }
+ print_inverted_bits(eeprom->invert);
+
for (i=0; i<5; i++)
{
- if (eeprom->cbus_function[i]<CBUS_BB)
+ if (eeprom->cbus_function[i]<=CBUS_BB_RD)
fprintf(stdout,"C%d Function: %s\n", i,
cbus_mux[eeprom->cbus_function[i]]);
else
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;
*value = ftdi->eeprom->cbus_function[8];
break;
case CBUS_FUNCTION_9:
- *value = ftdi->eeprom->cbus_function[8];
+ *value = ftdi->eeprom->cbus_function[9];
break;
case HIGH_CURRENT:
*value = ftdi->eeprom->high_current;
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:
*value = ftdi->eeprom->size;
break;
+ case EXTERNAL_OSCILLATOR:
+ *value = ftdi->eeprom->external_oscillator;
+ break;
default:
ftdi_error_return(-1, "Request for unknown EEPROM value");
}
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 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:
ftdi_error_return(-2, "EEPROM Value can't be changed");
+ break;
+ case EXTERNAL_OSCILLATOR:
+ ftdi->eeprom->external_oscillator = value;
+ break;
+ case USER_DATA_ADDR:
+ ftdi->eeprom->user_data_addr = value;
+ break;
+
default :
ftdi_error_return(-1, "Request to unknown EEPROM value");
}
+ ftdi->eeprom->initialized_for_connected_device = 0;
return 0;
}
\param size Size of buffer
\retval 0: All fine
- \retval -1: struct ftdi_contxt or ftdi_eeprom of buf missing
+ \retval -1: struct ftdi_context or ftdi_eeprom or buf missing
*/
int ftdi_set_eeprom_buf(struct ftdi_context *ftdi, const unsigned char * buf, int size)
{
return 0;
}
+/** Set the EEPROM user data content from the user-supplied prefilled buffer
+
+ \param ftdi pointer to ftdi_context
+ \param buf buffer to read EEPROM user data content
+ \param size Size of buffer
+
+ \retval 0: All fine
+ \retval -1: struct ftdi_context or ftdi_eeprom or buf missing
+*/
+int ftdi_set_eeprom_user_data(struct ftdi_context *ftdi, const char * buf, int size)
+{
+ if (!ftdi || !(ftdi->eeprom) || !buf)
+ ftdi_error_return(-1, "No appropriate structure");
+
+ ftdi->eeprom->user_data_size = size;
+ ftdi->eeprom->user_data = buf;
+ return 0;
+}
+
/**
Read eeprom location
*/
int ftdi_read_eeprom_location (struct ftdi_context *ftdi, int eeprom_addr, unsigned short *eeprom_val)
{
+ unsigned char buf[2];
+
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)
+ if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_EEPROM_REQUEST, 0, eeprom_addr, buf, 2, ftdi->usb_read_timeout) != 2)
ftdi_error_return(-1, "reading eeprom failed");
+ *eeprom_val = (0xff & buf[0]) | (buf[1] << 8);
+
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
\retval Pointer to error string
*/
-char *ftdi_get_error_string (struct ftdi_context *ftdi)
+const char *ftdi_get_error_string (struct ftdi_context *ftdi)
{
if (ftdi == NULL)
return "";