ftdi.c - description
-------------------
begin : Fri Apr 4 2003
- copyright : (C) 2003-2013 by Intra2net AG and the libftdi developers
+ copyright : (C) 2003-2014 by Intra2net AG and the libftdi developers
email : opensource@intra2net.com
***************************************************************************/
*
* @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)
if ((ftdi==NULL) || (dev==NULL))
return -1;
- if (libusb_open(dev, &ftdi->usb_dev) < 0)
- ftdi_error_return(-4, "libusb_open() failed");
+ if (ftdi->usb_dev == NULL && libusb_open(dev, &ftdi->usb_dev) < 0)
+ ftdi_error_return(-4, "libusb_open() failed");
if (libusb_get_device_descriptor(dev, &desc) < 0)
ftdi_error_return(-11, "libusb_get_device_descriptor() failed");
// 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 || ftdi->type == TYPE_230X)
+ if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H)
packet_size = 512;
else
packet_size = 64;
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) || (ftdi->type == TYPE_230X))
+ 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 || ftdi->type == TYPE_230X)
+ 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;
}
-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;
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;
- case TYPE_230X: default_product = "FT230X Basic UART"; 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)
}
int ftdi_eeprom_set_strings(struct ftdi_context *ftdi, char * manufacturer,
- char * product, char * serial)
+ char * product, char * serial)
{
struct ftdi_eeprom *eeprom;
if (ftdi->usb_dev == NULL)
ftdi_error_return(-3, "No connected device or device not yet opened");
- if (manufacturer) {
+ if (manufacturer)
+ {
if (eeprom->manufacturer)
free (eeprom->manufacturer);
eeprom->manufacturer = malloc(strlen(manufacturer)+1);
strcpy(eeprom->manufacturer, manufacturer);
}
- if(product) {
+ if(product)
+ {
if (eeprom->product)
free (eeprom->product);
eeprom->product = malloc(strlen(product)+1);
strcpy(eeprom->product, product);
}
- if (serial) {
+ if (serial)
+ {
if (eeprom->serial)
free (eeprom->serial);
eeprom->serial = malloc(strlen(serial)+1);
- if (eeprom->serial) {
+ if (eeprom->serial)
+ {
strcpy(eeprom->serial, serial);
eeprom->use_serial = 1;
}
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;
+ }
}
- }
- case TYPE_230X: /* FT230X is only UART */
- 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->size == -1) {
+ if (eeprom->size == -1)
+ {
if ((eeprom->chip == 0x56) || (eeprom->chip == 0x66))
eeprom->size = 0x100;
else
user_area_size = 90; // two extra config bytes and 4 bytes PnP stuff
break;
case TYPE_R:
+ user_area_size = 96;
+ break;
case TYPE_230X:
user_area_size = 88; // four extra config bytes + 4 bytes PnP stuff
break;
ftdi_error_return(-1,"eeprom size exceeded");
// empty eeprom
- if (ftdi->type == TYPE_230X) {
+ 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 {
+ }
+ else
+ {
memset(ftdi->eeprom->buf, 0, FTDI_MAX_EEPROM_SIZE);
}
i = 0;
switch (ftdi->type)
{
- case TYPE_232H:
- i += 2;
case TYPE_2232H:
case TYPE_4232H:
i += 2;
case TYPE_BM:
i += 0x94;
break;
+ case TYPE_232H:
case TYPE_230X:
i = 0xa0;
break;
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
case TYPE_230X:
output[0x00] = 0x80; /* Actually, leave the default value */
output[0x0a] = 0x08; /* Enable USB Serial Number */
- output[0x0c] = (0x01) | (0x3 << 4); /* DBUS drive 4mA, CBUS drive 16mA */
- for (j = 0; j <= 6; j++) {
+ /*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;
}
for (i = 0; i < eeprom->size/2-1; i++)
{
- if ((ftdi->type == TYPE_230X) && (i == 0x12)) {
+ 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 = output[i*2];
- value += output[(i*2)+1] << 8;
-
+ 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);
}
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)
+{
+ 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;
{
// 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)) {
+ if ((ftdi->type == TYPE_230X) && (i == 0x12))
+ {
/* FT230X has a user section in the MTP which is not part of the checksum */
i = 0x40;
}
}
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;
}
else if (ftdi->type == TYPE_230X)
{
- for(i=0; i<4; i++) {
+ for(i=0; i<4; i++)
+ {
eeprom->cbus_function[i] = buf[0x1a + i] & 0xFF;
}
eeprom->group0_drive = buf[0x0c] & 0x03;
eeprom->group1_drive = (buf[0x0c] >> 4) & 0x03;
eeprom->group1_schmitt = (buf[0x0c] >> 4) & IS_SCHMITT;
eeprom->group1_slew = (buf[0x0c] >> 4) & SLOW_SLEW;
+
+ eeprom->invert = buf[0xb];
}
if (verbose)
{
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":"",
}
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"
- };
+ "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":"",
}
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,"IOBUS has %d mA drive%s%s\n",
+ "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":"");
if (eeprom->cbus_function[i]<= CBUSH_AWAKE)
fprintf(stdout,"CBUS%d Function: %s\n", i, cbush_mux[eeprom->cbus_function[i]]);
}
+
+ if (eeprom->invert)
+ print_inverted_bits(eeprom->invert);
}
if (ftdi->type == TYPE_R)
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)
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 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;
+
default :
ftdi_error_return(-1, "Request to unknown EEPROM value");
}
}
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)) {
+ if ((ftdi->type == TYPE_230X) && (i == 0x40))
+ {
i = 0x50;
}
usb_val = eeprom[i*2];
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
git://developer.intra2net.com / libftdi / blobdiff