eeprom->self_powered = 1;
eeprom->remote_wakeup = 1;
- eeprom->chip_type = TYPE_BM;
+ eeprom->release = 0;
eeprom->in_is_isochronous = 0;
eeprom->out_is_isochronous = 0;
for (i = 0; i < 5; i++)
{
if ((eeprom->cbus_function[i] > cbus_max[i]) ||
- (eeprom->cbus_function[i] && eeprom->chip_type != TYPE_R)) return -3;
+ (eeprom->cbus_function[i] && ftdi->type != TYPE_R)) return -3;
}
- if (eeprom->chip_type != TYPE_R)
+ if (ftdi->type != TYPE_R)
{
if (eeprom->invert) return -4;
if (eeprom->high_current) return -5;
// Addr 00: High current IO
output[0x00] = eeprom->high_current ? HIGH_CURRENT_DRIVE : 0;
// Addr 01: IN endpoint size (for R type devices, different for FT2232)
- if (eeprom->chip_type == TYPE_R) {
+ if (ftdi->type == TYPE_R) {
output[0x01] = 0x40;
}
// Addr 02: Vendor ID
// Addr 06: Device release number (0400h for BM features)
output[0x06] = 0x00;
- switch (eeprom->chip_type) {
+ switch (eeprom->release) {
case TYPE_AM:
output[0x07] = 0x02;
break;
// Dynamic content
// In images produced by FTDI's FT_Prog for FT232R strings start at 0x18
// Space till 0x18 should be considered as reserved.
- if (eeprom->chip_type >= TYPE_R) {
+ if (ftdi->type >= TYPE_R) {
i = 0x18;
} else {
i = 0x14;
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: High current IO
- eeprom->high_current = (buf[0x02] & HIGH_CURRENT_DRIVE);
-
// Addr 02: Vendor ID
eeprom->vendor_id = buf[0x02] + (buf[0x03] << 8);
// Addr 04: Product ID
eeprom->product_id = buf[0x04] + (buf[0x05] << 8);
- value = buf[0x06] + (buf[0x07]<<8);
- switch (value)
- {
- case 0x0600:
- eeprom->chip_type = TYPE_R;
- break;
- case 0x0400:
- eeprom->chip_type = TYPE_BM;
- break;
- case 0x0200:
- eeprom->chip_type = TYPE_AM;
- break;
- default: // Unknown device
- eeprom->chip_type = 0;
- break;
- }
+ eeprom->release = buf[0x06] + (buf[0x07]<<8);
// Addr 08: Config descriptor
// Bit 7: always 1
// 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];
// Addr 0E: Offset of the manufacturer string + 0x80, calculated later
// Addr 0F: Length of manufacturer string
manufacturer_size = buf[0x0F]/2;
- if (manufacturer_size > 0) eeprom->manufacturer = malloc(manufacturer_size);
+ if (manufacturer_size > 0)
+ {
+ eeprom->manufacturer = malloc(manufacturer_size);
+ if (eeprom->manufacturer)
+ {
+ // Decode manufacturer
+ i = buf[0x0E]; // offset
+ for (j=0;j<manufacturer_size-1;j++)
+ {
+ eeprom->manufacturer[j] = buf[2*j+i+2];
+ }
+ eeprom->manufacturer[j] = '\0';
+ }
+ }
else eeprom->manufacturer = NULL;
// Addr 10: Offset of the product string + 0x80, calculated later
// Addr 11: Length of product string
product_size = buf[0x11]/2;
- if (product_size > 0) eeprom->product = malloc(product_size);
+ if (product_size > 0)
+ {
+ eeprom->product = malloc(product_size);
+ if(eeprom->product)
+ {
+ // Decode product name
+ i = buf[0x10]; // offset
+ for (j=0;j<product_size-1;j++)
+ {
+ eeprom->product[j] = buf[2*j+i+2];
+ }
+ eeprom->product[j] = '\0';
+ }
+ }
else eeprom->product = NULL;
// Addr 12: Offset of the serial string + 0x80, calculated later
// Addr 13: Length of serial string
serial_size = buf[0x13]/2;
- if (serial_size > 0) eeprom->serial = malloc(serial_size);
- else eeprom->serial = NULL;
-
- // Addr 14: CBUS function: CBUS0, CBUS1
- // Addr 15: CBUS function: CBUS2, CBUS3
- // Addr 16: CBUS function: CBUS5
- if (eeprom->chip_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;
- }
-
- // Decode manufacturer
- i = buf[0x0E] & 0x7f; // offset
- for (j=0;j<manufacturer_size-1;j++)
- {
- eeprom->manufacturer[j] = buf[2*j+i+2];
- }
- eeprom->manufacturer[j] = '\0';
-
- // Decode product name
- i = buf[0x10] & 0x7f; // offset
- for (j=0;j<product_size-1;j++)
- {
- eeprom->product[j] = buf[2*j+i+2];
- }
- eeprom->product[j] = '\0';
-
- // Decode serial
- i = buf[0x12] & 0x7f; // offset
- for (j=0;j<serial_size-1;j++)
+ if (serial_size > 0)
{
- eeprom->serial[j] = buf[2*j+i+2];
+ eeprom->serial = malloc(serial_size);
+ if(eeprom->serial)
+ {
+ // Decode serial
+ i = buf[0x12]; // offset
+ for (j=0;j<serial_size-1;j++)
+ {
+ eeprom->serial[j] = buf[2*j+i+2];
+ }
+ eeprom->serial[j] = '\0';
+ }
}
- eeprom->serial[j] = '\0';
+ else eeprom->serial = NULL;
// verify checksum
checksum = 0xAAAA;
ftdi_error_return(-1,"EEPROM checksum error");
}
+ if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C))
+ {
+ eeprom->chip = buf[14];
+ }
+ if(ftdi->type == TYPE_2)
+ {
+ if(ftdi->type == TYPE_R)
+ {
+ // 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;
+ }
+ }
+ if(verbose)
+ {
+ 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(stderr, "Checksum : %04x %04x\n", checksum);
+
+ }
+
return 0;
}
git://developer.intra2net.com / libftdi / blobdiff