return;
eeprom = ftdi->eeprom;
+ memset(eeprom, 0, sizeof(struct ftdi_eeprom));
eeprom->vendor_id = 0x0403;
- eeprom->product_id = 0x6001;
-
- eeprom->self_powered = 1;
- eeprom->remote_wakeup = 1;
- eeprom->release = 0;
-
- eeprom->in_is_isochronous = 0;
- eeprom->out_is_isochronous = 0;
- eeprom->suspend_pull_downs = 0;
-
- eeprom->use_serial = 0;
- eeprom->change_usb_version = 0;
+ eeprom->use_serial = USE_SERIAL_NUM;
+ if((ftdi->type= TYPE_AM) || (ftdi->type= TYPE_BM) ||(ftdi->type= TYPE_R))
+ eeprom->product_id = 0x6001;
+ else
+ eeprom->product_id = 0x6010;
+ switch (ftdi->type)
+ {
+ case TYPE_2232H:
+ eeprom->release = 0x200;
+ break;
+ default:
+ eeprom->release = 0;
+ }
eeprom->usb_version = 0x0200;
- eeprom->max_power = 0;
+ eeprom->max_power = 100;
eeprom->manufacturer = NULL;
eeprom->product = NULL;
eeprom->serial = NULL;
- for (i=0; i < 5; i++)
- {
- eeprom->cbus_function[i] = 0;
- }
- eeprom->high_current = 0;
- eeprom->invert = 0;
- eeprom->size = FTDI_MAX_EEPROM_SIZE;
+ if(ftdi->type == TYPE_R)
+ eeprom->size = 0x80;
+ else
+ eeprom->size = -1;
}
/**
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;
- size_check -= 28; // 28 are always in use (fixed)
+ size_check = 0x80;
+ switch(ftdi->type)
+ {
+ case TYPE_2232H:
+ case TYPE_4232H:
+ size_check -= 4;
+ case TYPE_R:
+ size_check -= 4;
+ case TYPE_2232C:
+ size_check -= 4;
+ case TYPE_AM:
+ case TYPE_BM:
+ size_check -= 0x14*2;
+ }
- // Top half of a 256byte eeprom is used just for strings and checksum
- // it seems that the FTDI chip will not read these strings from the lower half
- // Each string starts with two bytes; offset and type (0x03 for string)
- // the checksum needs two bytes, so without the string data that 8 bytes from the top half
- if (eeprom->size>=256) size_check = 120;
size_check -= manufacturer_size*2;
size_check -= product_size*2;
size_check -= serial_size*2;
+ /* Space for the string type and pointer bytes */
+ size_check -= -6;
+
// eeprom size exceeded?
if (size_check < 0)
return (-1);
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;
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: 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
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->use_serial = buf[0x0A] & USE_SERIAL_NUM;
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);
}
ftdi_error_return(-1,"EEPROM checksum error");
}
- if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C))
+ else if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM))
{
eeprom->chip = buf[14];
}
- if(ftdi->type == TYPE_2)
+ else if(ftdi->type == TYPE_2232C)
{
+ eeprom->chip = buf[14];
}
- if(ftdi->type == TYPE_R)
+ 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
- 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;
- }
+ 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);
fprintf(stdout, "Product: %s\n",eeprom->product);
if(eeprom->serial)
fprintf(stdout, "Serial: %s\n",eeprom->serial);
- fprintf(stderr, "Checksum : %04x %04x\n", checksum);
+ fprintf(stdout, "Checksum : %04x\n", checksum);
+ if(eeprom->suspend_dbus7)
+ fprintf(stdout, "Suspend on DBUS7\n");
+ if(eeprom->suspend_pull_downs)
+ fprintf(stdout, "Pull IO pins low during suspend\n");
+ if(eeprom->remote_wakeup)
+ fprintf(stdout, "Enable Remote Wake Up\n");
+ 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":"");
+ }
}