ftdi_context

Langue: en

Autres versions - même langue

Version: 373017 (fedora - 01/12/10)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

ftdi_context -

Main context structure for all libftdi functions.

SYNOPSIS


#include <ftdi.h>

Public Attributes


struct usb_dev_handle * usb_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

Detailed Description

Main context structure for all libftdi functions.

Do not access directly if possible.

Definition at line 166 of file ftdi.h.

Member Data Documentation

struct usb_dev_handle* ftdi_context::usb_devlibusb's usb_dev_handle

Definition at line 170 of file ftdi.h.

Referenced by ftdi_disable_bitbang(), ftdi_enable_bitbang(), ftdi_erase_eeprom(), ftdi_get_latency_timer(), ftdi_init(), ftdi_poll_modem_status(), ftdi_read_chipid(), ftdi_read_data(), ftdi_read_eeprom(), ftdi_read_eeprom_getsize(), ftdi_read_eeprom_location(), ftdi_read_pins(), ftdi_set_baudrate(), ftdi_set_bitmode(), ftdi_set_error_char(), ftdi_set_event_char(), ftdi_set_latency_timer(), ftdi_set_line_property2(), ftdi_set_usbdev(), ftdi_setdtr(), ftdi_setdtr_rts(), ftdi_setflowctrl(), ftdi_setrts(), ftdi_usb_close(), ftdi_usb_get_strings(), ftdi_usb_open_desc_index(), ftdi_usb_open_dev(), ftdi_usb_purge_buffers(), ftdi_usb_purge_rx_buffer(), ftdi_usb_purge_tx_buffer(), ftdi_usb_reset(), ftdi_write_data(), ftdi_write_data_async(), ftdi_write_eeprom(), and ftdi_write_eeprom_location().

int ftdi_context::usb_read_timeoutusb read timeout

Definition at line 172 of file ftdi.h.

Referenced by ftdi_get_latency_timer(), ftdi_init(), ftdi_poll_modem_status(), ftdi_read_chipid(), ftdi_read_data(), ftdi_read_eeprom(), ftdi_read_eeprom_getsize(), ftdi_read_eeprom_location(), and ftdi_read_pins().

int ftdi_context::usb_write_timeoutusb write timeout

Definition at line 174 of file ftdi.h.

Referenced by ftdi_async_complete(), ftdi_disable_bitbang(), ftdi_enable_bitbang(), ftdi_erase_eeprom(), ftdi_init(), ftdi_set_baudrate(), ftdi_set_bitmode(), ftdi_set_error_char(), ftdi_set_event_char(), ftdi_set_latency_timer(), ftdi_set_line_property2(), ftdi_setdtr(), ftdi_setdtr_rts(), ftdi_setflowctrl(), ftdi_setrts(), ftdi_usb_purge_rx_buffer(), ftdi_usb_purge_tx_buffer(), ftdi_usb_reset(), ftdi_write_data(), ftdi_write_eeprom(), and ftdi_write_eeprom_location().

enum ftdi_chip_type ftdi_context::typeFTDI chip type

Definition at line 178 of file ftdi.h.

Referenced by ftdi_init(), and ftdi_usb_open_dev().

int ftdi_context::baudratebaudrate

Definition at line 180 of file ftdi.h.

Referenced by ftdi_init(), and ftdi_set_baudrate().

unsigned char ftdi_context::bitbang_enabledbitbang mode state

Definition at line 182 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::readbufferpointer to read buffer for ftdi_read_data

Definition at line 184 of file ftdi.h.

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

unsigned int ftdi_context::readbuffer_offsetread buffer offset

Definition at line 186 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_remainingnumber of remaining data in internal read buffer

Definition at line 188 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_chunksizeread buffer chunk size

Definition at line 190 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_chunksizewrite buffer chunk size

Definition at line 192 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_sizemaximum packet size. Needed for filtering modem status bytes every n packets.

Definition at line 194 of file ftdi.h.

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

int ftdi_context::interfaceFT2232C interface number: 0 or 1

Definition at line 198 of file ftdi.h.

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

int ftdi_context::indexFT2232C index number: 1 or 2

Definition at line 200 of file ftdi.h.

Referenced by ftdi_disable_bitbang(), ftdi_enable_bitbang(), ftdi_get_latency_timer(), ftdi_init(), ftdi_poll_modem_status(), ftdi_read_pins(), ftdi_set_bitmode(), ftdi_set_error_char(), ftdi_set_event_char(), ftdi_set_interface(), ftdi_set_latency_timer(), ftdi_set_line_property2(), ftdi_setdtr(), ftdi_setdtr_rts(), ftdi_setflowctrl(), ftdi_setrts(), ftdi_usb_open_dev(), ftdi_usb_purge_rx_buffer(), ftdi_usb_purge_tx_buffer(), and ftdi_usb_reset().

int ftdi_context::in_epFT2232C end points: 1 or 2

Definition at line 203 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 204 of file ftdi.h.

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

unsigned char ftdi_context::bitbang_modeBitbang mode. 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode

Definition at line 207 of file ftdi.h.

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

int ftdi_context::eeprom_sizeEEPROM size. Default is 128 bytes for 232BM and 245BM chips

Definition at line 210 of file ftdi.h.

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

char* ftdi_context::error_strString representation of last error

Definition at line 213 of file ftdi.h.

Referenced by ftdi_get_error_string(), and ftdi_init().

char* ftdi_context::async_usb_bufferBuffer needed for async communication

Definition at line 216 of file ftdi.h.

Referenced by ftdi_deinit(), and ftdi_init().

unsigned int ftdi_context::async_usb_buffer_sizeNumber of URB-structures we can buffer

Definition at line 218 of file ftdi.h.

Referenced by ftdi_init().

Author

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