X-Git-Url: http://developer.intra2net.com/git/?a=blobdiff_plain;f=src%2Fftdi.c;h=8293cc35a1f300be43e3db8deed67a056d435e28;hb=3d7ba8719da16c784a3c6e13c5976810073ff8bb;hp=e192cef3e063d4809052ad2911fa099df2c99778;hpb=8d3fe5c92a771cb501084d17c6ff49904d5c43d9;p=libftdi diff --git a/src/ftdi.c b/src/ftdi.c index e192cef..8293cc3 100644 --- a/src/ftdi.c +++ b/src/ftdi.c @@ -2210,7 +2210,7 @@ void ftdi_eeprom_initdefaults(struct ftdi_context *ftdi) { eeprom->cbus_function[i] = 0; } - eeprom->high_current = 0; + eeprom->high_current_a = 0; eeprom->invert = 0; eeprom->size = FTDI_MAX_EEPROM_SIZE; @@ -2291,7 +2291,7 @@ int ftdi_eeprom_build(struct ftdi_context *ftdi, unsigned char *output) 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; @@ -2314,7 +2314,7 @@ int ftdi_eeprom_build(struct ftdi_context *ftdi, unsigned char *output) 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; @@ -2506,6 +2506,10 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size, eeprom_size = 0x80; eeprom = ftdi->eeprom; + eeprom->high_current_a = buf[0x00] & HIGH_CURRENT_DRIVE; + eeprom->high_current_b = buf[0x01] & HIGH_CURRENT_DRIVE; + + // Addr 02: Vendor ID eeprom->vendor_id = buf[0x02] + (buf[0x03] << 8); @@ -2530,6 +2534,7 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size, // 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 @@ -2541,12 +2546,10 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size, 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); } @@ -2628,28 +2631,35 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size, 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) + { } + else if (ftdi->type == TYPE_4232H) + { + } + if(verbose) { fprintf(stdout, "VID: 0x%04x\n",eeprom->vendor_id); @@ -2667,7 +2677,7 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size, 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(stderr, "Checksum : %04x\n", checksum); }