*/
int ftdi_usb_reset(struct ftdi_context *ftdi)
{
- if (usb_control_msg(ftdi->usb_dev, SIO_RESET_REQUEST_TYPE,
- SIO_RESET_REQUEST, SIO_RESET_SIO,
- ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
- ftdi_error_return(-1,"FTDI reset failed");
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
+ SIO_RESET_REQUEST, SIO_RESET_SIO,
+ ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
+ ftdi_error_return(-1,"FTDI reset failed");
// Invalidate data in the readbuffer
ftdi->readbuffer_offset = 0;
*/
int ftdi_usb_purge_rx_buffer(struct ftdi_context *ftdi)
{
- if (usb_control_msg(ftdi->usb_dev, SIO_RESET_REQUEST_TYPE,
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
SIO_RESET_REQUEST, SIO_RESET_PURGE_RX,
ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "FTDI purge of RX buffer failed");
*/
int ftdi_usb_purge_tx_buffer(struct ftdi_context *ftdi)
{
- if (usb_control_msg(ftdi->usb_dev, SIO_RESET_REQUEST_TYPE,
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
SIO_RESET_REQUEST, SIO_RESET_PURGE_TX,
ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "FTDI purge of TX buffer failed");
: (baudrate * 21 < actual_baudrate * 20)))
ftdi_error_return (-1, "Unsupported baudrate. Note: bitbang baudrates are automatically multiplied by 4");
- if (usb_control_msg(ftdi->usb_dev, SIO_SET_BAUDRATE_REQUEST_TYPE,
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_BAUDRATE_REQUEST, value,
index, NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return (-2, "Setting new baudrate failed");
break;
}
- if (usb_control_msg(ftdi->usb_dev, SIO_SET_DATA_REQUEST_TYPE,
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_DATA_REQUEST, value,
ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return (-1, "Setting new line property failed");
/* FT2232C: Set bitbang_mode to 2 to enable SPI */
usb_val |= (ftdi->bitbang_mode << 8);
- if (usb_control_msg(ftdi->usb_dev, 0x40, 0x0B, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
+ if (usb_control_msg(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?");
ftdi->bitbang_enabled = 1;
*/
int ftdi_disable_bitbang(struct ftdi_context *ftdi)
{
- if (usb_control_msg(ftdi->usb_dev, 0x40, 0x0B, 0, ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_BITMODE_REQUEST, 0, ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "unable to leave bitbang mode. Perhaps not a BM type chip?");
ftdi->bitbang_enabled = 0;
usb_val = bitmask; // low byte: bitmask
usb_val |= (mode << 8);
- if (usb_control_msg(ftdi->usb_dev, 0x40, 0x0B, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
+ if (usb_control_msg(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;
*/
int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins)
{
- if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x0C, 0, ftdi->index, (char *)pins, 1, ftdi->usb_read_timeout) != 1)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_PINS_REQUEST, 0, ftdi->index, (char *)pins, 1, ftdi->usb_read_timeout) != 1)
ftdi_error_return(-1, "read pins failed");
return 0;
ftdi_error_return(-1, "latency out of range. Only valid for 1-255");
usb_val = latency;
- if (usb_control_msg(ftdi->usb_dev, 0x40, 0x09, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_LATENCY_TIMER_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-2, "unable to set latency timer");
return 0;
int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency)
{
unsigned short usb_val;
- if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x0A, 0, ftdi->index, (char *)&usb_val, 1, ftdi->usb_read_timeout) != 1)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_GET_LATENCY_TIMER_REQUEST, 0, ftdi->index, (char *)&usb_val, 1, ftdi->usb_read_timeout) != 1)
ftdi_error_return(-1, "reading latency timer failed");
*latency = (unsigned char)usb_val;
{
char usb_val[2];
- if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x05, 0, ftdi->index, usb_val, 2, ftdi->usb_read_timeout) != 2)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_POLL_MODEM_STATUS_REQUEST, 0, ftdi->index, usb_val, 2, ftdi->usb_read_timeout) != 2)
ftdi_error_return(-1, "getting modem status failed");
*status = (usb_val[1] << 8) | usb_val[0];
*/
int ftdi_setflowctrl(struct ftdi_context *ftdi, int flowctrl)
{
- if (usb_control_msg(ftdi->usb_dev, SIO_SET_FLOW_CTRL_REQUEST_TYPE,
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_FLOW_CTRL_REQUEST, 0, (flowctrl | ftdi->index),
NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "set flow control failed");
else
usb_val = SIO_SET_DTR_LOW;
- if (usb_control_msg(ftdi->usb_dev, SIO_SET_MODEM_CTRL_REQUEST_TYPE,
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_MODEM_CTRL_REQUEST, usb_val, ftdi->index,
NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "set dtr failed");
else
usb_val = SIO_SET_RTS_LOW;
- if (usb_control_msg(ftdi->usb_dev, SIO_SET_MODEM_CTRL_REQUEST_TYPE,
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_MODEM_CTRL_REQUEST, usb_val, ftdi->index,
NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "set of rts failed");
else
usb_val |= SIO_SET_RTS_LOW;
- if (usb_control_msg(ftdi->usb_dev, SIO_SET_MODEM_CTRL_REQUEST_TYPE,
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_MODEM_CTRL_REQUEST, usb_val, ftdi->index,
NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "set of rts/dtr failed");
if (enable)
usb_val |= 1 << 8;
- if (usb_control_msg(ftdi->usb_dev, 0x40, 0x06, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_EVENT_CHAR_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "setting event character failed");
return 0;
if (enable)
usb_val |= 1 << 8;
- if (usb_control_msg(ftdi->usb_dev, 0x40, 0x07, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_ERROR_CHAR_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "setting error character failed");
return 0;
return size_check;
}
-void ftdi_eeprom_decode(struct ftdi_eeprom *eeprom, unsigned char *buf)
+/**
+ Decode binary EEPROM image into an ftdi_eeprom structure.
+
+ \param eeprom Pointer to ftdi_eeprom which will be filled in.
+ \param output Buffer of \a size bytes of raw eeprom data
+ \param size size size of eeprom data in bytes
+
+ \retval 0: all fine
+ \retval -1: something went wrong
+
+ FIXME: How to pass size? How to handle size field in ftdi_eeprom?
+ FIXME: Strings are malloc'ed here and should be freed somewhere
+*/
+int ftdi_eeprom_decode(struct ftdi_eeprom *eeprom, unsigned char *buf, int size)
{
unsigned char i, j;
unsigned short checksum, eeprom_checksum, value;
#endif
// empty eeprom struct
- memset (eeprom, 0, sizeof(struct ftdi_eeprom));
+ memset(eeprom, 0, sizeof(struct ftdi_eeprom));
// Addr 00: Stay 00 00
// Addr 04: Product ID
eeprom->product_id = buf[0x04] + (buf[0x05] << 8);
-
-/* // Addr 06: Device release number (0400h for BM features) */
-/* output[0x06] = 0x00; */
-
- if (buf[0x07] == 0x04) eeprom->BM_type_chip = 1;
+
+ switch (buf[0x06] + (buf[0x07]<<8)) {
+ case 0x0400:
+ eeprom->BM_type_chip = 1;
+ break;
+ case 0x0200:
+ eeprom->BM_type_chip = 0;
+ break;
+ default: // Unknown device
+ eeprom->BM_type_chip = 0;
+ break;
+ }
// Addr 08: Config descriptor
// Bit 7: always 1
// Bit 5: 1 if this device uses remote wakeup
// Bit 4: 1 if this device is battery powered
j = buf[0x08];
-
if (j&0x40) eeprom->self_powered = 1;
if (j&0x20) eeprom->remote_wakeup = 1;
// Bit 0: 1 - In EndPoint is Isochronous
//
j = buf[0x0A];
- if (j&1) eeprom->in_is_isochronous = 1;
- if (j&2) eeprom->out_is_isochronous = 1;
- if (j&4) eeprom->suspend_pull_downs = 1;
- if (j&8) eeprom->use_serial = 1;
- if (j&16) eeprom->change_usb_version = 1;
+ if (j&0x01) eeprom->in_is_isochronous = 1;
+ if (j&0x02) eeprom->out_is_isochronous = 1;
+ if (j&0x04) eeprom->suspend_pull_downs = 1;
+ if (j&0x08) eeprom->use_serial = 1;
+ if (j&0x10) eeprom->change_usb_version = 1;
-/* // Addr 0B: reserved */
-/* output[0x0B] = 0x00; */
+ // Addr 0B: reserved
// Addr 0C: USB version low byte when 0x0A bit 4 is set
// Addr 0D: USB version high byte when 0x0A bit 4 is set
if (serial_size > 0) eeprom->serial = malloc(serial_size);
else eeprom->serial = NULL;
- // Dynamic content
- // if(eeprom->size>=256) i = 0x80;
-
// Decode manufacturer
i = buf[0x0E] & 0x7f; // offset
-/* printf("debug size: %d, %d\n", buf[i]/2, manufacturer_size); // length */
-/* printf("debug 0x03: %02x\n", buf[i+1]); // type: string */
for (j=0;j<manufacturer_size-1;j++) {
eeprom->manufacturer[j] = buf[2*j+i+2];
}
// Decode product name
i = buf[0x10] & 0x7f; // offset
-/* printf("debug size: %d, %d\n", buf[i]/2, product_size); // length */
-/* printf("debug 0x03: %02x\n", buf[i+1]); // type: string */
for (j=0;j<product_size-1;j++) {
eeprom->product[j] = buf[2*j+i+2];
}
// Decode serial
i = buf[0x12] & 0x7f; // offset
-/* printf("debug size: %d, %d\n", buf[i]/2, serial_size); // length */
-/* printf("debug 0x03: %02x\n", buf[i+1]); // type: string */
for (j=0;j<serial_size-1;j++) {
eeprom->serial[j] = buf[2*j+i+2];
}
eeprom_checksum = buf[eeprom_size-2] + (buf[eeprom_size-1] << 8);
- if (eeprom_checksum != checksum)
+ if (eeprom_checksum != checksum) {
fprintf(stderr, "Checksum Error: %04x %04x\n", checksum, eeprom_checksum);
-
- return;
+ return -1;
+ }
+
+ return 0;
}
/**
int i;
for (i = 0; i < ftdi->eeprom_size/2; i++) {
- if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x90, 0, i, eeprom+(i*2), 2, ftdi->usb_read_timeout) != 2)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_EEPROM_REQUEST, 0, i, eeprom+(i*2), 2, ftdi->usb_read_timeout) != 2)
ftdi_error_return(-1, "reading eeprom failed");
}
{
unsigned int a = 0, b = 0;
- if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x90, 0, 0x43, (char *)&a, 2, ftdi->usb_read_timeout) == 2)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_EEPROM_REQUEST, 0, 0x43, (char *)&a, 2, ftdi->usb_read_timeout) == 2)
{
a = a << 8 | a >> 8;
- if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x90, 0, 0x44, (char *)&b, 2, ftdi->usb_read_timeout) == 2)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_EEPROM_REQUEST, 0, 0x44, (char *)&b, 2, ftdi->usb_read_timeout) == 2)
{
b = b << 8 | b >> 8;
- a = (a << 16) | b;
+ a = (a << 16) | (b & 0xFFFF);
a = ftdi_read_chipid_shift(a) | ftdi_read_chipid_shift(a>>8)<<8
| ftdi_read_chipid_shift(a>>16)<<16 | ftdi_read_chipid_shift(a>>24)<<24;
*chipid = a ^ 0xa5f0f7d1;
do{
for (j = 0; i < maxsize/2 && j<size; j++) {
- if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x90, 0, i, eeprom+(i*2), 2, ftdi->usb_read_timeout) != 2)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE,
+ SIO_READ_EEPROM_REQUEST, 0, i,
+ eeprom+(i*2), 2, ftdi->usb_read_timeout) != 2)
ftdi_error_return(-1, "reading eeprom failed");
i++;
}
*/
int ftdi_write_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom)
{
- unsigned short usb_val;
+ unsigned short usb_val, status;
int i;
+ /* These commands were traced while running MProg */
+ ftdi_usb_reset(ftdi);
+ ftdi_poll_modem_status(ftdi, &status);
+ ftdi_set_latency_timer(ftdi, 0x77);
+
for (i = 0; i < ftdi->eeprom_size/2; i++) {
usb_val = eeprom[i*2];
usb_val += eeprom[(i*2)+1] << 8;
- if (usb_control_msg(ftdi->usb_dev, 0x40, 0x91, usb_val, i, NULL, 0, ftdi->usb_write_timeout) != 0)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
+ SIO_WRITE_EEPROM_REQUEST, usb_val, i,
+ NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "unable to write eeprom");
}
/**
Erase eeprom
+ This is not supported on FT232R/FT245R according to the MProg manual from FTDI.
+
\param ftdi pointer to ftdi_context
\retval 0: all fine
*/
int ftdi_erase_eeprom(struct ftdi_context *ftdi)
{
- if (usb_control_msg(ftdi->usb_dev, 0x40, 0x92, 0, 0, NULL, 0, ftdi->usb_write_timeout) != 0)
+ if (usb_control_msg(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_ERASE_EEPROM_REQUEST, 0, 0, NULL, 0, ftdi->usb_write_timeout) != 0)
ftdi_error_return(-1, "unable to erase eeprom");
return 0;