{
eeprom->cbus_function[i] = 0;
}
- eeprom->high_current = 0;
+ eeprom->high_current_a = 0;
eeprom->invert = 0;
eeprom->size = FTDI_MAX_EEPROM_SIZE;
if (ftdi->type != TYPE_R)
{
if (eeprom->invert) return -4;
- if (eeprom->high_current) return -5;
+ if (eeprom->high_current_a) return -5;
}
size_check = eeprom->size;
memset (output, 0, eeprom->size);
// Addr 00: High current IO
- output[0x00] = eeprom->high_current ? HIGH_CURRENT_DRIVE : 0;
+ output[0x00] = eeprom->high_current_a ? HIGH_CURRENT_DRIVE : 0;
// Addr 01: IN endpoint size (for R type devices, different for FT2232)
if (ftdi->type == TYPE_R) {
output[0x01] = 0x40;
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_context *ftdi, unsigned char *buf, int size)
+int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size, int verbose)
{
unsigned char i, j;
unsigned short checksum, eeprom_checksum, value;
eeprom_size = 0x80;
eeprom = ftdi->eeprom;
+ // Addr 00: Channel A setting
+
+ eeprom->channel_a_type = buf[0x00] & 0x7;
+ eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP;
+ eeprom->high_current_a = buf[0x00] & HIGH_CURRENT_DRIVE;
+
+ // Addr 01: Channel B setting
+
+ 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->suspend_dbus7 = buf[0x01] & SUSPEND_DBUS7;
+
// Addr 02: Vendor ID
eeprom->vendor_id = buf[0x02] + (buf[0x03] << 8);
// Bit 6: 1 if this device is self powered, 0 if bus powered
// 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;
+ 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 = buf[0x09];
// Bit 6: 0 - reserved
// Bit 5: 0 - reserved
// Bit 4: 1 - Change USB version
+ // Not seen on FT2232(D)
// Bit 3: 1 - Use the serial number string
// Bit 2: 1 - Enable suspend pull downs for lower power
// Bit 1: 1 - Out EndPoint is Isochronous
// Bit 0: 1 - In EndPoint is Isochronous
//
- j = buf[0x0A];
- 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;
+ 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]&0x08;
+ eeprom->change_usb_version = buf[0x0A]&0x10;
- // Addr 0B: Invert data lines
- eeprom->invert = buf[0x0B];
// 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 (eeprom->change_usb_version == 1)
+ if ((eeprom->change_usb_version == 1) || ftdi->type == TYPE_2232C)
{
eeprom->usb_version = buf[0x0C] + (buf[0x0D] << 8);
}
if (eeprom->manufacturer)
{
// Decode manufacturer
- i = buf[0x0E]; // offset
+ i = buf[0x0E] & (eeprom_size -1); // offset
for (j=0;j<manufacturer_size-1;j++)
{
eeprom->manufacturer[j] = buf[2*j+i+2];
if(eeprom->product)
{
// Decode product name
- i = buf[0x10]; // offset
+ i = buf[0x10] & (eeprom_size -1); // offset
for (j=0;j<product_size-1;j++)
{
eeprom->product[j] = buf[2*j+i+2];
if(eeprom->serial)
{
// Decode serial
- i = buf[0x12]; // offset
+ i = buf[0x12] & (eeprom_size -1); // offset
for (j=0;j<serial_size-1;j++)
{
eeprom->serial[j] = buf[2*j+i+2];
}
else eeprom->serial = NULL;
- // Addr 14: CBUS function: CBUS0, CBUS1
- // Addr 15: CBUS function: CBUS2, CBUS3
- // Addr 16: CBUS function: CBUS5
- if (ftdi->type == TYPE_R) {
- eeprom->cbus_function[0] = buf[0x14] & 0x0f;
- eeprom->cbus_function[1] = (buf[0x14] >> 4) & 0x0f;
- eeprom->cbus_function[2] = buf[0x15] & 0x0f;
- eeprom->cbus_function[3] = (buf[0x15] >> 4) & 0x0f;
- eeprom->cbus_function[4] = buf[0x16] & 0x0f;
- } else {
- for (j=0; j<5; j++) eeprom->cbus_function[j] = 0;
- }
-
// verify checksum
checksum = 0xAAAA;
ftdi_error_return(-1,"EEPROM checksum error");
}
+ else if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM))
+ {
+ eeprom->chip = buf[14];
+ }
+ else if(ftdi->type == TYPE_2232C)
+ {
+ eeprom->chip = buf[14];
+ }
+ else if(ftdi->type == TYPE_R)
+ {
+ // Addr 0B: Invert data lines
+ // Works only on FT232R, not FT245R, but no way to distinguish
+ eeprom->invert = buf[0x0B];
+ // Addr 14: CBUS function: CBUS0, CBUS1
+ // Addr 15: CBUS function: CBUS2, CBUS3
+ // Addr 16: CBUS function: CBUS5
+ eeprom->cbus_function[0] = buf[0x14] & 0x0f;
+ eeprom->cbus_function[1] = (buf[0x14] >> 4) & 0x0f;
+ eeprom->cbus_function[2] = buf[0x15] & 0x0f;
+ eeprom->cbus_function[3] = (buf[0x15] >> 4) & 0x0f;
+ eeprom->cbus_function[4] = buf[0x16] & 0x0f;
+ }
+ else if ((ftdi->type == TYPE_2232H) ||(ftdi->type == TYPE_4232H))
+ {
+ 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;
+ }
+
+ if(verbose)
+ {
+ char *channel_mode[] = {"UART","245","CPU", "unknown", "OPTO"};
+ fprintf(stdout, "VID: 0x%04x\n",eeprom->vendor_id);
+ fprintf(stdout, "PID: 0x%04x\n",eeprom->product_id);
+ fprintf(stdout, "Release: 0x%04x\n",eeprom->release);
+
+ if(eeprom->self_powered)
+ fprintf(stdout, "Self-Powered%s", (eeprom->remote_wakeup)?", USB Remote Wake Up\n":"\n");
+ else
+ fprintf(stdout, "Bus Powered: %3d mA%s", eeprom->max_power*2,
+ (eeprom->remote_wakeup)?" USB Remote Wake Up\n":"\n");
+ if(eeprom->manufacturer)
+ fprintf(stdout, "Manufacturer: %s\n",eeprom->manufacturer);
+ if(eeprom->product)
+ fprintf(stdout, "Product: %s\n",eeprom->product);
+ if(eeprom->serial)
+ fprintf(stdout, "Serial: %s\n",eeprom->serial);
+ fprintf(stdout, "Checksum : %04x\n", checksum);
+ if (ftdi->type >= TYPE_2232C)
+ fprintf(stdout,"Channel A has Mode %s%s%s\n",
+ channel_mode[eeprom->channel_a_type],
+ (eeprom->channel_a_driver)?" VCP":"",
+ (eeprom->high_current_a)?" High Currenr IO":"");
+ if (ftdi->type == TYPE_2232C)
+ 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 Currenr IO":"");
+ if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H))
+ {
+ fprintf(stdout,"%s has %d mA drive%s%s\n",
+ (ftdi->type == TYPE_2232H)?"AL":"A",
+ (eeprom->group0_drive+1) *4,
+ (eeprom->group0_schmitt)?" Schmitt Input":"",
+ (eeprom->group0_slew)?" Slow Slew":"");
+ fprintf(stdout,"%s has %d mA drive%s%s\n",
+ (ftdi->type == TYPE_2232H)?"AH":"B",
+ (eeprom->group1_drive+1) *4,
+ (eeprom->group1_schmitt)?" Schmitt Input":"",
+ (eeprom->group1_slew)?" Slow Slew":"");
+ fprintf(stdout,"%s has %d mA drive%s%s\n",
+ (ftdi->type == TYPE_2232H)?"BL":"C",
+ (eeprom->group2_drive+1) *4,
+ (eeprom->group2_schmitt)?" Schmitt Input":"",
+ (eeprom->group2_slew)?" Slow Slew":"");
+ fprintf(stdout,"%s has %d mA drive%s%s\n",
+ (ftdi->type == TYPE_2232H)?"BH":"D",
+ (eeprom->group3_drive+1) *4,
+ (eeprom->group3_schmitt)?" Schmitt Input":"",
+ (eeprom->group3_slew)?" Slow Slew":"");
+ }
+
+ }
+
return 0;
}