libftdi  0.20
Public Attributes
ftdi_context Struct Reference

Main context structure for all libftdi functions. More...

#include <ftdi.h>

List of all members.

Public Attributes

struct usb_dev_handleusb_dev
int usb_read_timeout
int usb_write_timeout
enum ftdi_chip_type type
int baudrate
unsigned char bitbang_enabled
unsigned char * readbuffer
unsigned int readbuffer_offset
unsigned int readbuffer_remaining
unsigned int readbuffer_chunksize
unsigned int writebuffer_chunksize
unsigned int max_packet_size
int interface
int index
int in_ep
int out_ep
unsigned char bitbang_mode
int eeprom_size
char * error_str
char * async_usb_buffer
unsigned int async_usb_buffer_size
enum ftdi_module_detach_mode module_detach_mode

Detailed Description

Main context structure for all libftdi functions.

Do not access directly if possible.

Definition at line 188 of file ftdi.h.


Member Data Documentation

struct usb_dev_handle* ftdi_context::usb_dev
int ftdi_context::usb_read_timeout
int ftdi_context::usb_write_timeout
enum ftdi_chip_type ftdi_context::type

FTDI chip type

Definition at line 200 of file ftdi.h.

Referenced by ftdi_init(), and ftdi_usb_open_dev().

int ftdi_context::baudrate

baudrate

Definition at line 202 of file ftdi.h.

Referenced by ftdi_init(), and ftdi_set_baudrate().

unsigned char ftdi_context::bitbang_enabled

bitbang mode state

Definition at line 204 of file ftdi.h.

Referenced by ftdi_disable_bitbang(), ftdi_enable_bitbang(), ftdi_init(), ftdi_set_baudrate(), and ftdi_set_bitmode().

unsigned char* ftdi_context::readbuffer

pointer to read buffer for ftdi_read_data

Definition at line 206 of file ftdi.h.

Referenced by ftdi_deinit(), ftdi_init(), ftdi_read_data(), and ftdi_read_data_set_chunksize().

unsigned int ftdi_context::readbuffer_offset

read buffer offset

Definition at line 208 of file ftdi.h.

Referenced by ftdi_init(), ftdi_read_data(), ftdi_read_data_set_chunksize(), ftdi_usb_purge_rx_buffer(), and ftdi_usb_reset().

unsigned int ftdi_context::readbuffer_remaining

number of remaining data in internal read buffer

Definition at line 210 of file ftdi.h.

Referenced by ftdi_init(), ftdi_read_data(), ftdi_read_data_set_chunksize(), ftdi_usb_purge_rx_buffer(), and ftdi_usb_reset().

unsigned int ftdi_context::readbuffer_chunksize

read buffer chunk size

Definition at line 212 of file ftdi.h.

Referenced by ftdi_read_data(), ftdi_read_data_get_chunksize(), and ftdi_read_data_set_chunksize().

unsigned int ftdi_context::writebuffer_chunksize

write buffer chunk size

Definition at line 214 of file ftdi.h.

Referenced by ftdi_init(), ftdi_write_data(), ftdi_write_data_async(), ftdi_write_data_get_chunksize(), and ftdi_write_data_set_chunksize().

unsigned int ftdi_context::max_packet_size

maximum packet size. Needed for filtering modem status bytes every n packets.

Definition at line 216 of file ftdi.h.

Referenced by ftdi_init(), ftdi_read_data(), and ftdi_usb_open_dev().

int ftdi_context::interface

FT2232C interface number: 0 or 1

Definition at line 220 of file ftdi.h.

Referenced by ftdi_init(), ftdi_set_interface(), ftdi_usb_close(), and ftdi_usb_open_dev().

int ftdi_context::index
int ftdi_context::in_ep

FT2232C end points: 1 or 2

Definition at line 225 of file ftdi.h.

Referenced by ftdi_init(), ftdi_set_interface(), ftdi_write_data(), and ftdi_write_data_async().

int ftdi_context::out_ep

Definition at line 226 of file ftdi.h.

Referenced by ftdi_init(), ftdi_read_data(), and ftdi_set_interface().

unsigned char ftdi_context::bitbang_mode

Bitbang mode. 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode

Definition at line 229 of file ftdi.h.

Referenced by ftdi_enable_bitbang(), ftdi_init(), and ftdi_set_bitmode().

int ftdi_context::eeprom_size

EEPROM size. Default is 128 bytes for 232BM and 245BM chips

Definition at line 232 of file ftdi.h.

Referenced by ftdi_eeprom_setsize(), ftdi_init(), ftdi_read_eeprom(), and ftdi_write_eeprom().

char* ftdi_context::error_str

String representation of last error

Definition at line 235 of file ftdi.h.

Referenced by ftdi_get_error_string(), and ftdi_init().

char* ftdi_context::async_usb_buffer

Buffer needed for async communication

Definition at line 238 of file ftdi.h.

Referenced by ftdi_deinit(), and ftdi_init().

unsigned int ftdi_context::async_usb_buffer_size

Number of URB-structures we can buffer

Definition at line 240 of file ftdi.h.

Referenced by ftdi_init().

enum ftdi_module_detach_mode ftdi_context::module_detach_mode

Defines behavior in case a kernel module is already attached to the device

Definition at line 243 of file ftdi.h.

Referenced by ftdi_init(), and ftdi_usb_open_dev().


The documentation for this struct was generated from the following file:

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