ftdi.c - description
-------------------
begin : Fri Apr 4 2003
- copyright : (C) 2003-2010 by Intra2net AG
+ copyright : (C) 2003-2011 by Intra2net AG and the libftdi developers
email : opensource@intra2net.com
***************************************************************************/
{
libusb_close (ftdi->usb_dev);
ftdi->usb_dev = NULL;
+ if(ftdi->eeprom)
+ ftdi->eeprom->initialized_for_connected_device = 0;
}
}
\retval 0: all fine
\retval -1: couldn't allocate read buffer
\retval -2: couldn't allocate struct buffer
+ \retval -3: libusb_init() failed
\remark This should be called before all functions
*/
ftdi->readbuffer_remaining = 0;
ftdi->writebuffer_chunksize = 4096;
ftdi->max_packet_size = 0;
+ ftdi->error_str = NULL;
+ ftdi->module_detach_mode = AUTO_DETACH_SIO_MODULE;
+
+ if (libusb_init(&ftdi->usb_ctx) < 0)
+ ftdi_error_return(-3, "libusb_init() failed");
ftdi_set_interface(ftdi, INTERFACE_ANY);
ftdi->bitbang_mode = 1; /* when bitbang is enabled this holds the number of the mode */
- ftdi->error_str = NULL;
-
if (eeprom == 0)
ftdi_error_return(-2, "Can't malloc struct ftdi_eeprom");
memset(eeprom, 0, sizeof(struct ftdi_eeprom));
free(ftdi->eeprom);
ftdi->eeprom = NULL;
}
- libusb_exit(ftdi->usb_ctx);
+
+ if (ftdi->usb_ctx)
+ {
+ libusb_exit(ftdi->usb_ctx);
+ ftdi->usb_ctx = NULL;
+ }
}
/**
/**
- 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
\retval >0: number of devices found
\retval -3: out of memory
- \retval -4: libusb_init() failed
\retval -5: libusb_get_device_list() failed
\retval -6: libusb_get_device_descriptor() failed
*/
int count = 0;
int i = 0;
- if (libusb_init(&ftdi->usb_ctx) < 0)
- ftdi_error_return(-4, "libusb_init() failed");
-
if (libusb_get_device_list(ftdi->usb_ctx, &devs) < 0)
ftdi_error_return(-5, "libusb_get_device_list() failed");
struct libusb_device_descriptor desc;
if (libusb_get_device_descriptor(dev, &desc) < 0)
- ftdi_error_return(-6, "libusb_get_device_descriptor() failed");
+ 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)
- ftdi_error_return(-3, "out of memory");
+ ftdi_error_return_free_device_list(-3, "out of memory", devs);
(*curdev)->next = NULL;
(*curdev)->dev = dev;
-
+ libusb_ref_device(dev);
curdev = &(*curdev)->next;
count++;
}
}
-
+ libusb_free_device_list(devs,1);
return count;
}
for (curdev = *devlist; curdev != NULL;)
{
next = curdev->next;
+ libusb_unref_device(curdev->dev);
free(curdev);
curdev = next;
}
// Determine maximum packet size. Init with default value.
// New hi-speed devices from FTDI use a packet size of 512 bytes
// but could be connected to a normal speed USB hub -> 64 bytes packet size.
- if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H)
+ if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H )
packet_size = 512;
else
packet_size = 64;
\retval -8: ftdi context invalid
\retval -9: libusb_get_device_descriptor() failed
\retval -10: libusb_get_config_descriptor() failed
- \retval -11: libusb_etach_kernel_driver() failed
+ \retval -11: libusb_detach_kernel_driver() failed
\retval -12: libusb_get_configuration() failed
*/
int ftdi_usb_open_dev(struct ftdi_context *ftdi, libusb_device *dev)
// if usb_set_configuration() or usb_claim_interface() fails as the
// detach operation might be denied and everything still works fine.
// Likely scenario is a static ftdi_sio kernel module.
- if (libusb_detach_kernel_driver(ftdi->usb_dev, ftdi->interface) !=0)
- detach_errno = errno;
+ if (ftdi->module_detach_mode == AUTO_DETACH_SIO_MODULE)
+ {
+ if (libusb_detach_kernel_driver(ftdi->usb_dev, ftdi->interface) !=0)
+ detach_errno = errno;
+ }
if (libusb_get_configuration (ftdi->usb_dev, &cfg) < 0)
ftdi_error_return(-12, "libusb_get_configuration () failed");
ftdi->type = TYPE_2232H;
else if (desc.bcdDevice == 0x800)
ftdi->type = TYPE_4232H;
+ else if (desc.bcdDevice == 0x900)
+ ftdi->type = TYPE_232H;
// Determine maximum packet size
ftdi->max_packet_size = _ftdi_determine_max_packet_size(ftdi, dev);
\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
*/
char string[256];
int i = 0;
- if (libusb_init(&ftdi->usb_ctx) < 0)
- ftdi_error_return(-11, "libusb_init() failed");
-
if (ftdi == NULL)
ftdi_error_return(-11, "ftdi context invalid");
{
if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iProduct, (unsigned char *)string, sizeof(string)) < 0)
{
- libusb_close (ftdi->usb_dev);
+ ftdi_usb_close_internal (ftdi);
ftdi_error_return_free_device_list(-8, "unable to fetch product description", devs);
}
if (strncmp(string, description, sizeof(string)) != 0)
{
- libusb_close (ftdi->usb_dev);
+ ftdi_usb_close_internal (ftdi);
continue;
}
}
\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;
}
/**
+ * @brief Wrapper function to export ftdi_convert_baudrate() to the unit test
+ * Do not use, it's only for the unit test framework
+ **/
+int convert_baudrate_UT_export(int baudrate, struct ftdi_context *ftdi,
+ unsigned short *value, unsigned short *index)
+{
+ return ftdi_convert_baudrate(baudrate, ftdi, value, index);
+}
+
+/**
Sets the chip baud rate
\param ftdi pointer to ftdi_context
struct ftdi_transfer_control *ftdi_write_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size)
{
struct ftdi_transfer_control *tc;
- struct libusb_transfer *transfer = libusb_alloc_transfer(0);
+ struct libusb_transfer *transfer;
int write_size, ret;
if (ftdi == NULL || ftdi->usb_dev == NULL)
- {
- libusb_free_transfer(transfer);
return NULL;
- }
tc = (struct ftdi_transfer_control *) malloc (sizeof (*tc));
+ if (!tc)
+ return NULL;
- if (!tc || !transfer)
+ transfer = libusb_alloc_transfer(0);
+ if (!transfer)
+ {
+ free(tc);
return NULL;
+ }
tc->ftdi = ftdi;
tc->completed = 0;
if (ret < 0)
{
libusb_free_transfer(transfer);
- tc->completed = 1;
- tc->transfer = NULL;
+ free(tc);
return NULL;
}
tc->transfer = transfer;
if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_POLL_MODEM_STATUS_REQUEST, 0, ftdi->index, (unsigned char *)usb_val, 2, ftdi->usb_read_timeout) != 2)
ftdi_error_return(-1, "getting modem status failed");
- *status = (usb_val[1] << 8) | usb_val[0];
+ *status = (usb_val[1] << 8) | (usb_val[0] & 0xFF);
return 0;
}
}
/**
- Init eeprom with default values.
+ Init eeprom with default values for the connected device
\param ftdi pointer to ftdi_context
\param manufacturer String to use as Manufacturer
\param product String to use as Product description
\retval 0: all fine
\retval -1: No struct ftdi_context
\retval -2: No struct ftdi_eeprom
+ \retval -3: No connected device or device not yet opened
*/
int ftdi_eeprom_initdefaults(struct ftdi_context *ftdi, char * manufacturer,
char * product, char * serial)
eeprom = ftdi->eeprom;
memset(eeprom, 0, sizeof(struct ftdi_eeprom));
+ if (ftdi->usb_dev == NULL)
+ ftdi_error_return(-3, "No connected device or device not yet opened");
+
eeprom->vendor_id = 0x0403;
- eeprom->use_serial = USE_SERIAL_NUM;
+ eeprom->use_serial = 1;
if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM) ||
(ftdi->type == TYPE_R))
eeprom->product_id = 0x6001;
+ else if (ftdi->type == TYPE_4232H)
+ eeprom->product_id = 0x6011;
+ else if (ftdi->type == TYPE_232H)
+ eeprom->product_id = 0x6014;
else
eeprom->product_id = 0x6010;
if (ftdi->type == TYPE_AM)
if (eeprom->product)
free (eeprom->product);
eeprom->product = NULL;
+ if(product)
{
eeprom->product = malloc(strlen(product)+1);
if (eeprom->product)
eeprom->cbus_function[4] = CBUS_SLEEP;
}
else
+ {
+ if(ftdi->type == TYPE_232H)
+ {
+ int i;
+ for (i=0; i<10; i++)
+ eeprom->cbus_function[i] = CBUSH_TRISTATE;
+ }
eeprom->size = -1;
+ }
+ eeprom->initialized_for_connected_device = 1;
return 0;
}
+/*FTD2XX doesn't check for values not fitting in the ACBUS Signal oprtions*/
+void set_ft232h_cbus(struct ftdi_eeprom *eeprom, unsigned char * output)
+{
+ int i;
+ for(i=0; i<5;i++)
+ {
+ int mode_low, mode_high;
+ if (eeprom->cbus_function[2*i]> CBUSH_CLK7_5)
+ mode_low = CBUSH_TRISTATE;
+ else
+ mode_low = eeprom->cbus_function[2*i];
+ if (eeprom->cbus_function[2*i+1]> CBUSH_CLK7_5)
+ mode_high = CBUSH_TRISTATE;
+ else
+ mode_high = eeprom->cbus_function[2*i];
+
+ output[0x18+i] = mode_high <<4 | mode_low;
+ }
+}
+/* Return the bits for the encoded EEPROM Structure of a requested Mode
+ *
+ */
+static unsigned char type2bit(unsigned char type, enum ftdi_chip_type chip)
+{
+ switch (chip)
+ {
+ case TYPE_2232H:
+ case TYPE_2232C:
+ {
+ switch (type)
+ {
+ case CHANNEL_IS_UART: return 0;
+ case CHANNEL_IS_FIFO: return 0x01;
+ case CHANNEL_IS_OPTO: return 0x02;
+ case CHANNEL_IS_CPU : return 0x04;
+ default: return 0;
+ }
+ }
+ case TYPE_232H:
+ {
+ switch (type)
+ {
+ case CHANNEL_IS_UART : return 0;
+ case CHANNEL_IS_FIFO : return 0x01;
+ case CHANNEL_IS_OPTO : return 0x02;
+ case CHANNEL_IS_CPU : return 0x04;
+ case CHANNEL_IS_FT1284 : return 0x08;
+ default: return 0;
+ }
+ }
+ default: return 0;
+ }
+ return 0;
+}
/**
Build binary buffer from ftdi_eeprom structure.
case TYPE_2232H: // six extra config bytes + 4 bytes PnP stuff
case TYPE_4232H:
user_area_size = 86;
+ break;
+ case TYPE_232H:
+ user_area_size = 80;
+ break;
default:
user_area_size = 0;
break;
case TYPE_4232H:
output[0x07] = 0x08;
break;
+ case TYPE_232H:
+ output[0x07] = 0x09;
+ break;
default:
output[0x07] = 0x00;
}
// Dynamic content
// Strings start at 0x94 (TYPE_AM, TYPE_BM)
// 0x96 (TYPE_2232C), 0x98 (TYPE_R) and 0x9a (TYPE_x232H)
+ // 0xa0 (TYPE_232H)
i = 0;
switch (ftdi->type)
{
+ case TYPE_232H:
+ i += 2;
case TYPE_2232H:
case TYPE_4232H:
i += 2;
if (ftdi->type > TYPE_AM) /* use_serial not used in AM devices */
{
- if (eeprom->use_serial == USE_SERIAL_NUM )
+ if (eeprom->use_serial)
output[0x0A] |= USE_SERIAL_NUM;
else
output[0x0A] &= ~USE_SERIAL_NUM;
break;
case TYPE_2232C:
- output[0x00] = (eeprom->channel_a_type);
+ output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232C);
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] = type2bit(eeprom->channel_b_type, TYPE_2232C);
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] = type2bit(eeprom->channel_a_type, TYPE_2232H);
if ( eeprom->channel_a_driver == DRIVER_VCP)
output[0x00] |= DRIVER_VCP;
else
output[0x00] &= ~DRIVER_VCP;
- output[0x01] = (eeprom->channel_b_type);
+ output[0x01] = type2bit(eeprom->channel_b_type, TYPE_2232H);
if ( eeprom->channel_b_driver == DRIVER_VCP)
output[0x01] |= DRIVER_VCP;
else
break;
case TYPE_4232H:
+ output[0x18] = eeprom->chip;
fprintf(stderr,"FIXME: Build FT4232H specific EEPROM settings\n");
+ break;
+ case TYPE_232H:
+ output[0x00] = type2bit(eeprom->channel_a_type, TYPE_232H);
+ if ( eeprom->channel_a_driver == DRIVER_VCP)
+ output[0x00] |= DRIVER_VCPH;
+ else
+ output[0x00] &= ~DRIVER_VCPH;
+ if (eeprom->powersave)
+ output[0x01] |= POWER_SAVE_DISABLE_H;
+ else
+ output[0x01] &= ~POWER_SAVE_DISABLE_H;
+ if (eeprom->clock_polarity)
+ output[0x01] |= FT1284_CLK_IDLE_STATE;
+ else
+ output[0x01] &= ~FT1284_CLK_IDLE_STATE;
+ if (eeprom->data_order)
+ output[0x01] |= FT1284_DATA_LSB;
+ else
+ output[0x01] &= ~FT1284_DATA_LSB;
+ if (eeprom->flow_control)
+ output[0x01] |= FT1284_FLOW_CONTROL;
+ else
+ output[0x01] &= ~FT1284_FLOW_CONTROL;
+ if (eeprom->group0_drive > DRIVE_16MA)
+ output[0x0c] |= DRIVE_16MA;
+ else
+ output[0x0c] |= eeprom->group0_drive;
+ if (eeprom->group0_schmitt == IS_SCHMITT)
+ output[0x0c] |= IS_SCHMITT;
+ if (eeprom->group0_slew == SLOW_SLEW)
+ output[0x0c] |= SLOW_SLEW;
+
+ if (eeprom->group1_drive > DRIVE_16MA)
+ output[0x0d] |= DRIVE_16MA;
+ else
+ output[0x0d] |= eeprom->group1_drive;
+ if (eeprom->group1_schmitt == IS_SCHMITT)
+ output[0x0d] |= IS_SCHMITT;
+ if (eeprom->group1_slew == SLOW_SLEW)
+ output[0x0d] |= SLOW_SLEW;
+
+ set_ft232h_cbus(eeprom, output);
+
+ output[0x1e] = eeprom->chip;
+ fprintf(stderr,"FIXME: Build FT232H specific EEPROM settings\n");
+ break;
+
}
// calculate checksum
return user_area_size;
}
-
+/* Decode the encoded EEPROM field for the FTDI Mode into a value for the abstracted
+ * EEPROM structure
+ *
+ * FTD2XX doesn't allow to set multiple bits in the interface mode bitfield, and so do we
+ */
+static unsigned char bit2type(unsigned char bits)
+{
+ switch (bits)
+ {
+ case 0: return CHANNEL_IS_UART;
+ case 1: return CHANNEL_IS_FIFO;
+ case 2: return CHANNEL_IS_OPTO;
+ case 4: return CHANNEL_IS_CPU;
+ case 8: return CHANNEL_IS_FT1284;
+ default:
+ fprintf(stderr," Unexpected value %d for Hardware Interface type\n",
+ bits);
+ }
+ return 0;
+}
/**
Decode binary EEPROM image into an ftdi_eeprom structure.
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] & USE_SERIAL_NUM;
+ eeprom->use_serial = (buf[0x0A] & USE_SERIAL_NUM)?1:0;
eeprom->use_usb_version = buf[0x0A] & USE_USB_VERSION_BIT;
// Addr 0C: USB version low byte when 0x0A
}
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_type = bit2type(buf[0x01] & 0x7);
eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP;
if (ftdi->type == TYPE_2232H)
eeprom->group3_schmitt = (buf[0x0d] >> 4) & IS_SCHMITT;
eeprom->group3_slew = (buf[0x0d] >> 4) & SLOW_SLEW;
}
+ else if (ftdi->type == TYPE_232H)
+ {
+ int i;
+
+ eeprom->channel_a_type = buf[0x00] & 0xf;
+ eeprom->channel_a_driver = (buf[0x00] & DRIVER_VCPH)?DRIVER_VCP:0;
+ eeprom->clock_polarity = buf[0x01] & FT1284_CLK_IDLE_STATE;
+ eeprom->data_order = buf[0x01] & FT1284_DATA_LSB;
+ eeprom->flow_control = buf[0x01] & FT1284_FLOW_CONTROL;
+ eeprom->powersave = buf[0x01] & POWER_SAVE_DISABLE_H;
+ 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[0x0d] & DRIVE_16MA;
+ eeprom->group1_schmitt = buf[0x0d] & IS_SCHMITT;
+ eeprom->group1_slew = buf[0x0d] & SLOW_SLEW;
+
+ for(i=0; i<5; i++)
+ {
+ eeprom->cbus_function[2*i ] = buf[0x18+i] & 0x0f;
+ eeprom->cbus_function[2*i+1] = (buf[0x18+i] >> 4) & 0x0f;
+ }
+ eeprom->chip = buf[0x1e];
+ /*FIXME: Decipher more values*/
+ }
if (verbose)
{
- char *channel_mode[] = {"UART","245","CPU", "unknown", "OPTO"};
+ char *channel_mode[] = {"UART", "FIFO", "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);
fprintf(stdout, "Suspend on DBUS7\n");
if (eeprom->suspend_pull_downs)
fprintf(stdout, "Pull IO pins low during suspend\n");
+ if(eeprom->powersave)
+ {
+ if(ftdi->type >= TYPE_232H)
+ fprintf(stdout,"Enter low power state on ACBUS7\n");
+ }
if (eeprom->remote_wakeup)
fprintf(stdout, "Enable Remote Wake Up\n");
fprintf(stdout, "PNP: %d\n",(eeprom->is_not_pnp)?0:1);
channel_mode[eeprom->channel_a_type],
(eeprom->channel_a_driver)?" VCP":"",
(eeprom->high_current_a)?" High Current IO":"");
- if ((ftdi->type >= TYPE_2232C) && (ftdi->type != TYPE_R))
+ if (ftdi->type >= TYPE_232H)
+ {
+ fprintf(stdout,"FT1284 Mode Clock is idle %s, %s first, %sFlow Control\n",
+ (eeprom->clock_polarity)?"HIGH":"LOW",
+ (eeprom->data_order)?"LSB":"MSB",
+ (eeprom->flow_control)?"":"No ");
+ }
+ if ((ftdi->type >= TYPE_2232C) && (ftdi->type != TYPE_R) && (ftdi->type != TYPE_232H))
fprintf(stdout,"Channel B has Mode %s%s%s\n",
channel_mode[eeprom->channel_b_type],
(eeprom->channel_b_driver)?" VCP":"",
(eeprom->group3_schmitt)?" Schmitt Input":"",
(eeprom->group3_slew)?" Slow Slew":"");
}
+ else if (ftdi->type == TYPE_232H)
+ {
+ int i;
+ char *cbush_mux[] = {"TRISTATE","RXLED","TXLED", "TXRXLED","PWREN",
+ "SLEEP","DRIVE_0","DRIVE_1","IOMODE","TXDEN",
+ "CLK30","CLK15","CLK7_5"
+ };
+ fprintf(stdout,"ACBUS has %d mA drive%s%s\n",
+ (eeprom->group0_drive+1) *4,
+ (eeprom->group0_schmitt)?" Schmitt Input":"",
+ (eeprom->group0_slew)?" Slow Slew":"");
+ fprintf(stdout,"ADBUS has %d mA drive%s%s\n",
+ (eeprom->group1_drive+1) *4,
+ (eeprom->group1_schmitt)?" Schmitt Input":"",
+ (eeprom->group1_slew)?" Slow Slew":"");
+ for (i=0; i<10; i++)
+ {
+ if (eeprom->cbus_function[i]<= CBUSH_CLK7_5 )
+ fprintf(stdout,"C%d Function: %s\n", i,
+ cbush_mux[eeprom->cbus_function[i]]);
+ }
+
+ }
+
if (ftdi->type == TYPE_R)
{
char *cbus_mux[] = {"TXDEN","PWREN","RXLED", "TXLED","TX+RXLED",
"IOMODE","BB_WR","BB_RD"
};
char *cbus_BB[] = {"RXF","TXE","RD", "WR"};
- int i;
if (eeprom->invert)
{
cbus_mux[eeprom->cbus_function[i]]);
else
{
- /* FIXME for Uwe: This results in an access above array bounds.
- Also I couldn't find documentation about this mode.
- fprintf(stdout,"C%d BB Function: %s\n", i,
- cbus_BB[i]);
- */
- fprintf(stdout, "Unknown CBUS mode. Might be special mode?\n");
- (void)cbus_BB;
+ if (i < 4)
+ /* Running MPROG show that C0..3 have fixed function Synchronous
+ Bit Bang mode */
+ fprintf(stdout,"C%d BB Function: %s\n", i,
+ cbus_BB[i]);
+ else
+ fprintf(stdout, "Unknown CBUS mode. Might be special mode?\n");
}
}
}
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 CBUS_FUNCTION_4:
*value = ftdi->eeprom->cbus_function[4];
break;
+ case CBUS_FUNCTION_5:
+ *value = ftdi->eeprom->cbus_function[5];
+ break;
+ case CBUS_FUNCTION_6:
+ *value = ftdi->eeprom->cbus_function[6];
+ break;
+ case CBUS_FUNCTION_7:
+ *value = ftdi->eeprom->cbus_function[7];
+ break;
+ case CBUS_FUNCTION_8:
+ *value = ftdi->eeprom->cbus_function[8];
+ break;
+ case CBUS_FUNCTION_9:
+ *value = ftdi->eeprom->cbus_function[8];
+ break;
case HIGH_CURRENT:
*value = ftdi->eeprom->high_current;
break;
case GROUP3_SLEW:
*value = ftdi->eeprom->group3_slew;
break;
- case CHIP_TYPE:
+ case POWER_SAVE:
+ *value = ftdi->eeprom->powersave;
+ break;
+ case CLOCK_POLARITY:
+ *value = ftdi->eeprom->clock_polarity;
+ break;
+ case DATA_ORDER:
+ *value = ftdi->eeprom->data_order;
+ break;
+ case FLOW_CONTROL:
+ *value = ftdi->eeprom->flow_control;
+ break;
+ case CHIP_TYPE:
*value = ftdi->eeprom->chip;
break;
case CHIP_SIZE:
No parameter checking is performed
\param ftdi pointer to ftdi_context
- \param value_name Enum of the value to query
+ \param value_name Enum of the value to set
\param value to set
\retval 0: all fine
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;
case CBUS_FUNCTION_4:
ftdi->eeprom->cbus_function[4] = value;
break;
+ case CBUS_FUNCTION_5:
+ ftdi->eeprom->cbus_function[5] = value;
+ break;
+ case CBUS_FUNCTION_6:
+ ftdi->eeprom->cbus_function[6] = value;
+ break;
+ case CBUS_FUNCTION_7:
+ ftdi->eeprom->cbus_function[7] = value;
+ break;
+ case CBUS_FUNCTION_8:
+ ftdi->eeprom->cbus_function[8] = value;
+ break;
+ case CBUS_FUNCTION_9:
+ ftdi->eeprom->cbus_function[9] = value;
+ break;
case HIGH_CURRENT:
ftdi->eeprom->high_current = value;
break;
case CHIP_TYPE:
ftdi->eeprom->chip = value;
break;
+ case POWER_SAVE:
+ ftdi->eeprom->powersave = value;
+ break;
+ case CLOCK_POLARITY:
+ ftdi->eeprom->clock_polarity = value;
+ break;
+ case DATA_ORDER:
+ ftdi->eeprom->data_order = value;
+ break;
+ case FLOW_CONTROL:
+ ftdi->eeprom->flow_control = value;
+ break;
case CHIP_SIZE:
ftdi_error_return(-2, "EEPROM Value can't be changed");
default :
\retval 0: All fine
\retval -1: struct ftdi_contxt or ftdi_eeprom missing
+ \retval -2: Not enough room to store eeprom
*/
int ftdi_get_eeprom_buf(struct ftdi_context *ftdi, unsigned char * buf, int size)
{
if (!ftdi || !(ftdi->eeprom))
ftdi_error_return(-1, "No appropriate structure");
+
+ if (!buf || size < ftdi->eeprom->size)
+ ftdi_error_return(-1, "Not enough room to store eeprom");
+
+ // Only copy up to FTDI_MAX_EEPROM_SIZE bytes
+ if (size > FTDI_MAX_EEPROM_SIZE)
+ size = FTDI_MAX_EEPROM_SIZE;
+
memcpy(buf, ftdi->eeprom->buf, size);
+
+ 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;
}
case TYPE_4232H:
chip_type_location = 0x18;
break;
+ case TYPE_232H:
+ chip_type_location = 0x1e;
+ break;
default:
ftdi_error_return(-4, "Device can't access unprotected area");
}
\retval 0: all fine
\retval -1: read failed
\retval -2: USB device unavailable
+ \retval -3: EEPROM not initialized for the connected device;
*/
int ftdi_write_eeprom(struct ftdi_context *ftdi)
{
if (ftdi == NULL || ftdi->usb_dev == NULL)
ftdi_error_return(-2, "USB device unavailable");
+
+ if(ftdi->eeprom->initialized_for_connected_device == 0)
+ ftdi_error_return(-3, "EEPROM not initialized for the connected device");
+
eeprom = ftdi->eeprom->buf;
/* These commands were traced while running MProg */
git://developer.intra2net.com / libftdi / blobdiff