git://developer.intra2net.com / libftdi / blame
| Commit | Line | Data |
|---|---|---|
| a3da1d95 GE |
1 | /*************************************************************************** |
| 2 | ftdi.h - description | |
| 3 | ------------------- | |
| 4 | begin : Fri Apr 4 2003 | |
| 5 | copyright : (C) 2003 by Intra2net AG | |
| 5fdb1cb1 | 6 | email : opensource@intra2net.com |
| a3da1d95 GE |
7 | ***************************************************************************/ |
| 8 | ||
| 9 | /*************************************************************************** | |
| 10 | * * | |
| 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; * | |
| 14 | * * | |
| 15 | ***************************************************************************/ | |
| 16 | ||
| 17 | #ifndef __libftdi_h__ | |
| 18 | #define __libftdi_h__ | |
| 19 | ||
| a97980ad TJ |
20 | #include <sys/types.h> |
| 21 | #include <limits.h> | |
| a3da1d95 | 22 | |
| 0e302db6 TJ |
23 | /* Kernel USB headers */ |
| 24 | #include <linux/usb.h> | |
| 25 | #include <linux/usbdevice_fs.h> | |
| 26 | ||
| de22df10 | 27 | enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2 }; |
| 53ad271d | 28 | |
| a3da1d95 GE |
29 | struct ftdi_context { |
| 30 | // USB specific | |
| a97980ad | 31 | int usb_fd; |
| 545820ce TJ |
32 | int usb_read_timeout; |
| 33 | int usb_write_timeout; | |
| 0e302db6 | 34 | struct usbdevfs_urb *urb; |
| a3da1d95 GE |
35 | |
| 36 | // FTDI specific | |
| 53ad271d | 37 | enum ftdi_chip_type type; |
| a3da1d95 GE |
38 | int baudrate; |
| 39 | unsigned char bitbang_enabled; | |
| 948f9ada | 40 | unsigned char *readbuffer; |
| 4ece2c24 TJ |
41 | unsigned int readbuffer_offset; |
| 42 | unsigned int readbuffer_remaining; | |
| 948f9ada TJ |
43 | unsigned int readbuffer_chunksize; |
| 44 | unsigned int writebuffer_chunksize; | |
| d9f0cce7 | 45 | |
| 545820ce TJ |
46 | // FTDI FT2232C requirecments |
| 47 | int interface; // 0 or 1 | |
| 48 | int index; // 1 or 2 | |
| 49 | // Endpoints | |
| 50 | int in_ep; | |
| 51 | int out_ep; // 1 or 2 | |
| 3119537f TJ |
52 | |
| 53 | /* 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */ | |
| 54 | unsigned char bitbang_mode; | |
| 545820ce | 55 | |
| a3da1d95 GE |
56 | // misc |
| 57 | char *error_str; | |
| 58 | }; | |
| 59 | ||
| b8aa7b35 | 60 | struct ftdi_eeprom { |
| d9f0cce7 | 61 | int vendor_id; |
| b8aa7b35 TJ |
62 | int product_id; |
| 63 | ||
| d9f0cce7 | 64 | int self_powered; |
| b8aa7b35 TJ |
65 | int remote_wakeup; |
| 66 | int BM_type_chip; | |
| 67 | ||
| 68 | int in_is_isochronous; | |
| 69 | int out_is_isochronous; | |
| 70 | int suspend_pull_downs; | |
| 71 | ||
| 72 | int use_serial; | |
| 73 | int change_usb_version; | |
| 74 | int usb_version; | |
| 75 | int max_power; | |
| d9f0cce7 | 76 | |
| b8aa7b35 TJ |
77 | char *manufacturer; |
| 78 | char *product; | |
| 79 | char *serial; | |
| 80 | }; | |
| 81 | ||
| a3da1d95 GE |
82 | #ifdef __cplusplus |
| 83 | extern "C" { | |
| 84 | #endif | |
| 85 | ||
| 86 | int ftdi_init(struct ftdi_context *ftdi); | |
| 948f9ada | 87 | void ftdi_deinit(struct ftdi_context *ftdi); |
| a3da1d95 GE |
88 | int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product); |
| 89 | int ftdi_usb_close(struct ftdi_context *ftdi); | |
| 90 | int ftdi_usb_reset(struct ftdi_context *ftdi); | |
| a60be878 | 91 | int ftdi_usb_purge_buffers(struct ftdi_context *ftdi); |
| a3da1d95 GE |
92 | |
| 93 | int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate); | |
| 948f9ada | 94 | |
| be5d7eec | 95 | int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size); |
| 948f9ada TJ |
96 | int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); |
| 97 | int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize); | |
| 98 | ||
| 99 | int ftdi_write_data(struct ftdi_context *ftdi, unsigned char *buf, int size); | |
| 100 | int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); | |
| 101 | int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize); | |
| a3da1d95 GE |
102 | |
| 103 | int ftdi_enable_bitbang(struct ftdi_context *ftdi, unsigned char bitmask); | |
| 104 | int ftdi_disable_bitbang(struct ftdi_context *ftdi); | |
| 105 | int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins); | |
| 106 | ||
| 107 | int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency); | |
| 108 | int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency); | |
| 109 | ||
| 0e302db6 | 110 | /* init and build eeprom from ftdi_eeprom structure */ |
| b8aa7b35 TJ |
111 | void ftdi_eeprom_initdefaults(struct ftdi_eeprom *eeprom); |
| 112 | int ftdi_eeprom_build(struct ftdi_eeprom *eeprom, unsigned char *output); | |
| 113 | ||
| 0e302db6 TJ |
114 | /* "eeprom" needs to be valid 128 byte eeprom (generated by the eeprom generator) |
| 115 | the checksum of the eeprom is valided */ | |
| be5d7eec TJ |
116 | int ftdi_read_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom); |
| 117 | int ftdi_write_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom); | |
| b8aa7b35 | 118 | int ftdi_erase_eeprom(struct ftdi_context *ftdi); |
| a3da1d95 GE |
119 | |
| 120 | #ifdef __cplusplus | |
| 121 | } | |
| 122 | #endif | |
| 123 | ||
| 124 | #endif /* __libftdi_h__ */ |