X-Git-Url: http://developer.intra2net.com/git/?p=libftdi;a=blobdiff_plain;f=src%2Fftdi.c;h=355ea587e9f2505716098b52fcde9067c23197ab;hp=1fed5f90cb6c712fa7f0dfa45a329aa9001a4f85;hb=db099ec562c4e0199c6ec2c71020612e3623f036;hpb=acc1fa05ce669aa2c5f35b51053d9ca59ffd392b diff --git a/src/ftdi.c b/src/ftdi.c index 1fed5f9..355ea58 100644 --- a/src/ftdi.c +++ b/src/ftdi.c @@ -2192,7 +2192,7 @@ void ftdi_eeprom_initdefaults(struct ftdi_context *ftdi) 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; @@ -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; @@ -2286,12 +2286,12 @@ int ftdi_eeprom_build(struct ftdi_context *ftdi, unsigned char *output) 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; + if (eeprom->high_current_a) return -5; } size_check = eeprom->size; @@ -2314,9 +2314,9 @@ 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 (eeprom->chip_type == TYPE_R) { + if (ftdi->type == TYPE_R) { output[0x01] = 0x40; } // Addr 02: Vendor ID @@ -2329,7 +2329,7 @@ int ftdi_eeprom_build(struct ftdi_context *ftdi, unsigned char *output) // 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; @@ -2419,7 +2419,7 @@ int ftdi_eeprom_build(struct ftdi_context *ftdi, unsigned char *output) // 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; @@ -2488,7 +2488,7 @@ int ftdi_eeprom_build(struct ftdi_context *ftdi, unsigned char *output) 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; @@ -2506,8 +2506,17 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size) eeprom_size = 0x80; eeprom = ftdi->eeprom; - // Addr 00: High current IO - eeprom->high_current = (buf[0x02] & HIGH_CURRENT_DRIVE); + // 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; // Addr 02: Vendor ID eeprom->vendor_id = buf[0x02] + (buf[0x03] << 8); @@ -2515,31 +2524,15 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size) // 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]; @@ -2549,24 +2542,22 @@ 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 // 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); } @@ -2580,7 +2571,7 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size) if (eeprom->manufacturer) { // Decode manufacturer - i = buf[0x0E]; // offset + i = buf[0x0E] & (eeprom_size -1); // offset for (j=0;jmanufacturer[j] = buf[2*j+i+2]; @@ -2599,7 +2590,7 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size) if(eeprom->product) { // Decode product name - i = buf[0x10]; // offset + i = buf[0x10] & (eeprom_size -1); // offset for (j=0;jproduct[j] = buf[2*j+i+2]; @@ -2618,7 +2609,7 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size) if(eeprom->serial) { // Decode serial - i = buf[0x12]; // offset + i = buf[0x12] & (eeprom_size -1); // offset for (j=0;jserial[j] = buf[2*j+i+2]; @@ -2628,19 +2619,6 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int 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; - } - // verify checksum checksum = 0xAAAA; @@ -2661,6 +2639,99 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size) 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; }