\retval 0: all fine
\retval -1: unknown interface
\retval -2: USB device unavailable
+ \retval -3: Device already open, interface can't be set in that state
*/
int ftdi_set_interface(struct ftdi_context *ftdi, enum ftdi_interface interface)
{
if (ftdi == NULL)
ftdi_error_return(-2, "USB device unavailable");
+ if (ftdi->usb_dev != NULL)
+ {
+ int check_interface = interface;
+ if (check_interface == INTERFACE_ANY)
+ check_interface = INTERFACE_A;
+
+ if (ftdi->index != check_interface)
+ ftdi_error_return(-3, "Interface can not be changed on an already open device");
+ }
+
switch (interface)
{
case INTERFACE_ANY:
return 0;
}
-
/**
- Enable bitbang mode.
-
- \deprecated use \ref ftdi_set_bitmode with mode BITMODE_BITBANG instead
+ Enable/disable bitbang modes.
\param ftdi pointer to ftdi_context
\param bitmask Bitmask to configure lines.
HIGH/ON value configures a line as output.
+ \param mode Bitbang mode: use the values defined in \ref ftdi_mpsse_mode
\retval 0: all fine
\retval -1: can't enable bitbang mode
\retval -2: USB device unavailable
*/
-int ftdi_enable_bitbang(struct ftdi_context *ftdi, unsigned char bitmask)
+int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode)
{
unsigned short usb_val;
ftdi_error_return(-2, "USB device unavailable");
usb_val = bitmask; // low byte: bitmask
- /* FT2232C: Set bitbang_mode to 2 to enable SPI */
- usb_val |= (ftdi->bitbang_mode << 8);
-
- if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
- SIO_SET_BITMODE_REQUEST, usb_val, ftdi->index,
- NULL, 0, ftdi->usb_write_timeout) < 0)
- ftdi_error_return(-1, "unable to enter bitbang mode. Perhaps not a BM type chip?");
+ usb_val |= (mode << 8);
+ if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_BITMODE_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0)
+ ftdi_error_return(-1, "unable to configure bitbang mode. Perhaps not a BM/2232C type chip?");
- ftdi->bitbang_enabled = 1;
+ ftdi->bitbang_mode = mode;
+ ftdi->bitbang_enabled = (mode == BITMODE_RESET) ? 0 : 1;
return 0;
}
return 0;
}
-/**
- Enable/disable bitbang modes.
-
- \param ftdi pointer to ftdi_context
- \param bitmask Bitmask to configure lines.
- HIGH/ON value configures a line as output.
- \param mode Bitbang mode: use the values defined in \ref ftdi_mpsse_mode
-
- \retval 0: all fine
- \retval -1: can't enable bitbang mode
- \retval -2: USB device unavailable
-*/
-int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode)
-{
- unsigned short usb_val;
-
- if (ftdi == NULL || ftdi->usb_dev == NULL)
- ftdi_error_return(-2, "USB device unavailable");
-
- usb_val = bitmask; // low byte: bitmask
- usb_val |= (mode << 8);
- if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_BITMODE_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0)
- ftdi_error_return(-1, "unable to configure bitbang mode. Perhaps not a 2232C type chip?");
-
- ftdi->bitbang_mode = mode;
- ftdi->bitbang_enabled = (mode == BITMODE_RESET) ? 0 : 1;
- return 0;
-}
/**
Directly read pin state, circumventing the read buffer. Useful for bitbang mode.
strcpy(eeprom->serial, serial);
}
-
if (ftdi->type == TYPE_R)
{
eeprom->max_power = 90;
output[0x08] = j;
// Addr 09: Max power consumption: max power = value * 2 mA
- output[0x09] = eeprom->max_power>>1;
+ output[0x09] = eeprom->max_power / MAX_POWER_MILLIAMP_PER_UNIT;
if (ftdi->type != TYPE_AM)
{
break;
case TYPE_4232H:
+ if (eeprom->channel_a_driver == DRIVER_VCP)
+ output[0x00] |= DRIVER_VCP;
+ else
+ output[0x00] &= ~DRIVER_VCP;
+ if (eeprom->channel_b_driver == DRIVER_VCP)
+ output[0x01] |= DRIVER_VCP;
+ else
+ output[0x01] &= ~DRIVER_VCP;
+ if (eeprom->channel_c_driver == DRIVER_VCP)
+ output[0x00] |= (DRIVER_VCP << 4);
+ else
+ output[0x00] &= ~(DRIVER_VCP << 4);
+ if (eeprom->channel_d_driver == DRIVER_VCP)
+ output[0x01] |= (DRIVER_VCP << 4);
+ else
+ output[0x01] &= ~(DRIVER_VCP << 4);
+
+ if (eeprom->suspend_pull_downs == 1)
+ output[0x0a] |= 0x4;
+ else
+ output[0x0a] &= ~0x4;
+
+ if (eeprom->channel_a_rs485enable)
+ output[0x0b] |= CHANNEL_IS_RS485 << 0;
+ else
+ output[0x0b] &= ~(CHANNEL_IS_RS485 << 0);
+ if (eeprom->channel_b_rs485enable)
+ output[0x0b] |= CHANNEL_IS_RS485 << 1;
+ else
+ output[0x0b] &= ~(CHANNEL_IS_RS485 << 1);
+ if (eeprom->channel_c_rs485enable)
+ output[0x0b] |= CHANNEL_IS_RS485 << 2;
+ else
+ output[0x0b] &= ~(CHANNEL_IS_RS485 << 2);
+ if (eeprom->channel_d_rs485enable)
+ output[0x0b] |= CHANNEL_IS_RS485 << 3;
+ else
+ output[0x0b] &= ~(CHANNEL_IS_RS485 << 3);
+
+ 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[0x0c] |= DRIVE_16MA<<4;
+ else
+ output[0x0c] |= eeprom->group1_drive<<4;
+ if (eeprom->group1_schmitt == IS_SCHMITT)
+ output[0x0c] |= IS_SCHMITT<<4;
+ if (eeprom->group1_slew == SLOW_SLEW)
+ output[0x0c] |= SLOW_SLEW<<4;
+
+ if (eeprom->group2_drive > DRIVE_16MA)
+ output[0x0d] |= DRIVE_16MA;
+ else
+ output[0x0d] |= eeprom->group2_drive;
+ if (eeprom->group2_schmitt == IS_SCHMITT)
+ output[0x0d] |= IS_SCHMITT;
+ if (eeprom->group2_slew == SLOW_SLEW)
+ output[0x0d] |= SLOW_SLEW;
+
+ if (eeprom->group3_drive > DRIVE_16MA)
+ output[0x0d] |= DRIVE_16MA<<4;
+ else
+ output[0x0d] |= eeprom->group3_drive<<4;
+ if (eeprom->group3_schmitt == IS_SCHMITT)
+ output[0x0d] |= IS_SCHMITT<<4;
+ if (eeprom->group3_slew == SLOW_SLEW)
+ output[0x0d] |= SLOW_SLEW<<4;
+
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);
eeprom->remote_wakeup = buf[0x08] & 0x20;
// Addr 09: Max power consumption: max power = value * 2 mA
- eeprom->max_power = buf[0x09];
+ eeprom->max_power = MAX_POWER_MILLIAMP_PER_UNIT * buf[0x09];
// Addr 0A: Chip configuration
// Bit 7: 0 - reserved
else if (ftdi->type == TYPE_R)
{
/* TYPE_R flags D2XX, not VCP as all others*/
- eeprom->channel_a_driver = (~buf[0x00]) & DRIVER_VCP;
+ eeprom->channel_a_driver = ~buf[0x00] & DRIVER_VCP;
eeprom->high_current = buf[0x00] & HIGH_CURRENT_DRIVE_R;
if ( (buf[0x01]&0x40) != 0x40)
fprintf(stderr,
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))
+ else if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H))
{
- eeprom->channel_a_type = bit2type(buf[0x00] & 0x7);
eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP;
- eeprom->channel_b_type = bit2type(buf[0x01] & 0x7);
eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP;
if (ftdi->type == TYPE_2232H)
+ {
+ eeprom->channel_a_type = bit2type(buf[0x00] & 0x7);
+ eeprom->channel_b_type = bit2type(buf[0x01] & 0x7);
eeprom->suspend_dbus7 = buf[0x01] & SUSPEND_DBUS7_BIT;
+ }
+ else
+ {
+ eeprom->channel_c_driver = (buf[0x00] >> 4) & DRIVER_VCP;
+ eeprom->channel_d_driver = (buf[0x01] >> 4) & DRIVER_VCP;
+ eeprom->channel_a_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 0);
+ eeprom->channel_b_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 1);
+ eeprom->channel_c_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 2);
+ eeprom->channel_d_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 3);
+ }
eeprom->chip = buf[0x18];
eeprom->group0_drive = buf[0x0c] & DRIVE_16MA;
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,
+ fprintf(stdout, "Bus Powered: %3d mA%s", eeprom->max_power,
(eeprom->remote_wakeup)?" USB Remote Wake Up\n":"\n");
if (eeprom->manufacturer)
fprintf(stdout, "Manufacturer: %s\n",eeprom->manufacturer);
fprintf(stdout,"C%d Function: %s\n", i,
cbush_mux[eeprom->cbus_function[i]]);
}
-
}
if (ftdi->type == TYPE_R)
case CHANNEL_B_DRIVER:
*value = ftdi->eeprom->channel_b_driver;
break;
+ case CHANNEL_C_DRIVER:
+ *value = ftdi->eeprom->channel_c_driver;
+ break;
+ case CHANNEL_D_DRIVER:
+ *value = ftdi->eeprom->channel_d_driver;
+ break;
+ case CHANNEL_A_RS485:
+ *value = ftdi->eeprom->channel_a_rs485enable;
+ break;
+ case CHANNEL_B_RS485:
+ *value = ftdi->eeprom->channel_b_rs485enable;
+ break;
+ case CHANNEL_C_RS485:
+ *value = ftdi->eeprom->channel_c_rs485enable;
+ break;
+ case CHANNEL_D_RS485:
+ *value = ftdi->eeprom->channel_d_rs485enable;
+ break;
case CBUS_FUNCTION_0:
*value = ftdi->eeprom->cbus_function[0];
break;
case CHANNEL_B_DRIVER:
ftdi->eeprom->channel_b_driver = value;
break;
+ case CHANNEL_C_DRIVER:
+ ftdi->eeprom->channel_c_driver = value;
+ break;
+ case CHANNEL_D_DRIVER:
+ ftdi->eeprom->channel_d_driver = value;
+ break;
+ case CHANNEL_A_RS485:
+ ftdi->eeprom->channel_a_rs485enable = value;
+ break;
+ case CHANNEL_B_RS485:
+ ftdi->eeprom->channel_b_rs485enable = value;
+ break;
+ case CHANNEL_C_RS485:
+ ftdi->eeprom->channel_c_rs485enable = value;
+ break;
+ case CHANNEL_D_RS485:
+ ftdi->eeprom->channel_d_rs485enable = value;
+ break;
case CBUS_FUNCTION_0:
ftdi->eeprom->cbus_function[0] = value;
break;
git://developer.intra2net.com / libftdi / blobdiff