1 /***************************************************************************
5 copyright : (C) 2003 by Intra2net AG
6 email : opensource@intra2net.com
7 ***************************************************************************/
9 /***************************************************************************
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU Lesser General Public License *
13 * version 2.1 as published by the Free Software Foundation; *
15 ***************************************************************************/
24 struct usb_dev_handle *usb_dev;
26 int usb_write_timeout;
30 unsigned char bitbang_enabled;
31 unsigned char *readbuffer;
32 unsigned int readbuffer_offset;
33 unsigned int readbuffer_remaining;
34 unsigned int readbuffer_chunksize;
35 unsigned int writebuffer_chunksize;
37 // FTDI FT2232C requirecments
38 int interface; // 0 or 1
44 /* 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */
45 unsigned char bitbang_mode;
59 int in_is_isochronous;
60 int out_is_isochronous;
61 int suspend_pull_downs;
64 int change_usb_version;
77 int ftdi_init(struct ftdi_context *ftdi);
78 void ftdi_deinit(struct ftdi_context *ftdi);
79 void ftdi_set_usbdev (struct ftdi_context *ftdi, usb_dev_handle *usbdev);
80 int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product);
81 int ftdi_usb_close(struct ftdi_context *ftdi);
82 int ftdi_usb_reset(struct ftdi_context *ftdi);
83 int ftdi_usb_purge_buffers(struct ftdi_context *ftdi);
85 int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate);
87 int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size);
88 int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize);
89 int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize);
91 int ftdi_write_data(struct ftdi_context *ftdi, unsigned char *buf, int size);
92 int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize);
93 int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize);
95 int ftdi_enable_bitbang(struct ftdi_context *ftdi, unsigned char bitmask);
96 int ftdi_disable_bitbang(struct ftdi_context *ftdi);
97 int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins);
99 int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency);
100 int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency);
102 // init and build eeprom from ftdi_eeprom structure
103 void ftdi_eeprom_initdefaults(struct ftdi_eeprom *eeprom);
104 int ftdi_eeprom_build(struct ftdi_eeprom *eeprom, unsigned char *output);
106 // "eeprom" needs to be valid 128 byte eeprom (generated by the eeprom generator)
107 // the checksum of the eeprom is valided
108 int ftdi_read_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom);
109 int ftdi_write_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom);
110 int ftdi_erase_eeprom(struct ftdi_context *ftdi);
116 #endif /* __libftdi_h__ */