/**
- Finds all ftdi devices on the usb bus. Creates a new ftdi_device_list which
- needs to be deallocated by ftdi_list_free() after use.
+ Finds all ftdi devices with given VID:PID on the usb bus. Creates a new
+ ftdi_device_list which needs to be deallocated by ftdi_list_free() after
+ use. With VID:PID 0:0, search for the default devices
+ (0x403:0x6001, 0x403:0x6010, 0x403:0x6011, 0x403:0x6014)
\param ftdi pointer to ftdi_context
\param devlist Pointer where to store list of found devices
if (libusb_get_device_descriptor(dev, &desc) < 0)
ftdi_error_return_free_device_list(-6, "libusb_get_device_descriptor() failed", devs);
- if (desc.idVendor == vendor && desc.idProduct == product)
+ if (((vendor != 0 && product != 0) &&
+ desc.idVendor == vendor && desc.idProduct == product) ||
+ ((vendor == 0 && product == 0) &&
+ (desc.idVendor == 0x403) && (desc.idProduct == 0x6001 || desc.idProduct == 0x6010
+ || desc.idProduct == 0x6011 || desc.idProduct == 0x6014)))
{
*curdev = (struct ftdi_device_list*)malloc(sizeof(struct ftdi_device_list));
if (!*curdev)
(*curdev)->next = NULL;
(*curdev)->dev = dev;
-
+ libusb_ref_device(dev);
curdev = &(*curdev)->next;
count++;
}
for (curdev = *devlist; curdev != NULL;)
{
next = curdev->next;
+ libusb_unref_device(curdev->dev);
free(curdev);
curdev = next;
}
\retval -7: set baudrate failed
\retval -8: get product description failed
\retval -9: get serial number failed
- \retval -11: libusb_init() failed
\retval -12: libusb_get_device_list() failed
\retval -13: libusb_get_device_descriptor() failed
*/
if (ftdi == NULL)
ftdi_error_return(-11, "ftdi context invalid");
- if (libusb_init(&ftdi->usb_ctx) < 0)
- ftdi_error_return(-11, "libusb_init() failed");
-
if (libusb_get_device_list(ftdi->usb_ctx, &devs) < 0)
ftdi_error_return(-12, "libusb_get_device_list() failed");
\note The description format may be extended in later versions.
\retval 0: all fine
- \retval -1: libusb_init() failed
\retval -2: libusb_get_device_list() failed
\retval -3: usb device not found
\retval -4: unable to open device
unsigned int bus_number, device_address;
int i = 0;
- if (libusb_init (&ftdi->usb_ctx) < 0)
- ftdi_error_return(-1, "libusb_init() failed");
-
if (libusb_get_device_list(ftdi->usb_ctx, &devs) < 0)
ftdi_error_return(-2, "libusb_get_device_list() failed");
}
// Split into "value" and "index" values
*value = (unsigned short)(encoded_divisor & 0xFFFF);
- if (ftdi->type == TYPE_2232C || ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H)
+ if (ftdi->type == TYPE_2232C || ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H )
{
*index = (unsigned short)(encoded_divisor >> 8);
*index &= 0xFF00;
case TYPE_4232H:
user_area_size = 86;
break;
+ case TYPE_232H:
+ user_area_size = 80;
+ break;
default:
user_area_size = 0;
break;
break;
case TYPE_2232C:
- output[0x00] = (eeprom->channel_a_type);
+ output[0x00] = (eeprom->channel_a_type)?((1<<(eeprom->channel_a_type)) & 0x7):0;
if ( eeprom->channel_a_driver == DRIVER_VCP)
output[0x00] |= DRIVER_VCP;
else
else
output[0x00] &= ~HIGH_CURRENT_DRIVE;
- output[0x01] = (eeprom->channel_b_type);
+ output[0x01] = (eeprom->channel_b_type)?((1<<(eeprom->channel_b_type)) & 0x7):0;
if ( eeprom->channel_b_driver == DRIVER_VCP)
output[0x01] |= DRIVER_VCP;
else
output[0x16] = eeprom->cbus_function[4];
break;
case TYPE_2232H:
- output[0x00] = (eeprom->channel_a_type);
+ output[0x00] = (eeprom->channel_a_type)?((1<<(eeprom->channel_a_type)) & 0x7):0;
if ( eeprom->channel_a_driver == DRIVER_VCP)
output[0x00] |= DRIVER_VCP;
else
output[0x00] &= ~DRIVER_VCP;
- output[0x01] = (eeprom->channel_b_type);
+ output[0x01] = (eeprom->channel_b_type)?((1<<(eeprom->channel_b_type)) & 0x7):0;
if ( eeprom->channel_b_driver == DRIVER_VCP)
output[0x01] |= DRIVER_VCP;
else
fprintf(stderr,"FIXME: Build FT4232H specific EEPROM settings\n");
break;
case TYPE_232H:
- output[0x00] = (eeprom->channel_a_type);
+ output[0x00] = (eeprom->channel_a_type)?((1<<(eeprom->channel_a_type)) & 0xf):0;
if ( eeprom->channel_a_driver == DRIVER_VCP)
output[0x00] |= DRIVER_VCPH;
else
return user_area_size;
}
+/* FTD2XX doesn't allow to set multiple bits in the interface mode bitfield*/
+unsigned char bit2type(unsigned char bits)
+{
+ switch (bits)
+ {
+ case 0: return 0;
+ case 1: return 1;
+ case 2: return 2;
+ case 4: return 3;
+ case 8: return 4;
+ default:
+ fprintf(stderr," Unexpected value %d for Hardware Interface type\n",
+ bits);
+ }
+ return 0;
+}
/**
Decode binary EEPROM image into an ftdi_eeprom structure.
}
else if (ftdi->type == TYPE_2232C)
{
- eeprom->channel_a_type = buf[0x00] & 0x7;
+ eeprom->channel_a_type = bit2type(buf[0x00] & 0x7);
eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP;
eeprom->high_current_a = buf[0x00] & HIGH_CURRENT_DRIVE;
eeprom->channel_b_type = buf[0x01] & 0x7;
}
else if ((ftdi->type == TYPE_2232H) ||(ftdi->type == TYPE_4232H))
{
- eeprom->channel_a_type = buf[0x00] & 0x7;
+ eeprom->channel_a_type = bit2type(buf[0x00] & 0x7);
eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP;
eeprom->channel_b_type = buf[0x01] & 0x7;
eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP;
if (verbose)
{
- char *channel_mode[] = {"UART","245","CPU", "unknown", "OPTO", "unknown1","unknown2","unknown3","FT1284"};
+ char *channel_mode[] = {"UART","245","CPU", "OPTO", "FT1284"};
fprintf(stdout, "VID: 0x%04x\n",eeprom->vendor_id);
fprintf(stdout, "PID: 0x%04x\n",eeprom->product_id);
fprintf(stdout, "Release: 0x%04x\n",release);
case IN_IS_ISOCHRONOUS:
*value = ftdi->eeprom->in_is_isochronous;
break;
+ case OUT_IS_ISOCHRONOUS:
+ *value = ftdi->eeprom->out_is_isochronous;
+ break;
case SUSPEND_PULL_DOWNS:
*value = ftdi->eeprom->suspend_pull_downs;
break;
case USB_VERSION:
*value = ftdi->eeprom->usb_version;
break;
+ case USE_USB_VERSION:
+ *value = ftdi->eeprom->use_usb_version;
+ break;
case MAX_POWER:
*value = ftdi->eeprom->max_power;
break;
case IN_IS_ISOCHRONOUS:
ftdi->eeprom->in_is_isochronous = value;
break;
+ case OUT_IS_ISOCHRONOUS:
+ ftdi->eeprom->out_is_isochronous = value;
+ break;
case SUSPEND_PULL_DOWNS:
ftdi->eeprom->suspend_pull_downs = value;
break;
case USB_VERSION:
ftdi->eeprom->usb_version = value;
break;
+ case USE_USB_VERSION:
+ ftdi->eeprom->use_usb_version = value;
+ break;
case MAX_POWER:
ftdi->eeprom->max_power = value;
break;
return 0;
}
+/** Set the EEPROM content from the user-supplied prefilled buffer
+
+ \param ftdi pointer to ftdi_context
+ \param buf buffer to read EEPROM content
+ \param size Size of buffer
+
+ \retval 0: All fine
+ \retval -1: struct ftdi_contxt or ftdi_eeprom of buf missing
+*/
+int ftdi_set_eeprom_buf(struct ftdi_context *ftdi, const unsigned char * buf, int size)
+{
+ if (!ftdi || !(ftdi->eeprom) || !buf)
+ ftdi_error_return(-1, "No appropriate structure");
+
+ // Only copy up to FTDI_MAX_EEPROM_SIZE bytes
+ if (size > FTDI_MAX_EEPROM_SIZE)
+ size = FTDI_MAX_EEPROM_SIZE;
+
+ memcpy(ftdi->eeprom->buf, buf, size);
+
+ return 0;
+}
+
/**
Read eeprom location
git://developer.intra2net.com / libftdi / blobdiff