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) &&
+ if (((vendor || product) &&
desc.idVendor == vendor && desc.idProduct == product) ||
- ((vendor == 0 && product == 0) &&
+ (!(vendor || product) &&
(desc.idVendor == 0x403) && (desc.idProduct == 0x6001 || desc.idProduct == 0x6010
- || desc.idProduct == 0x6011 || desc.idProduct == 0x6014)))
+ || 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;
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];
#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)
{
}
// 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;
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;
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;
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 */
+ /*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;
}
/* 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);
}
}
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;
}
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->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)
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"
}
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",
+ 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)
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 == 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;
git://developer.intra2net.com / libftdi / blobdiff