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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 | ||
1d1c9d80 | 20 | #include <usb.h> |
a3da1d95 GE |
21 | |
22 | struct ftdi_context { | |
23 | // USB specific | |
24 | struct usb_dev_handle *usb_dev; | |
545820ce TJ |
25 | int usb_read_timeout; |
26 | int usb_write_timeout; | |
a3da1d95 GE |
27 | |
28 | // FTDI specific | |
29 | int baudrate; | |
30 | unsigned char bitbang_enabled; | |
948f9ada | 31 | unsigned char *readbuffer; |
4ece2c24 TJ |
32 | unsigned int readbuffer_offset; |
33 | unsigned int readbuffer_remaining; | |
948f9ada TJ |
34 | unsigned int readbuffer_chunksize; |
35 | unsigned int writebuffer_chunksize; | |
d9f0cce7 | 36 | |
545820ce TJ |
37 | // FTDI FT2232C requirecments |
38 | int interface; // 0 or 1 | |
39 | int index; // 1 or 2 | |
40 | // Endpoints | |
41 | int in_ep; | |
42 | int out_ep; // 1 or 2 | |
3119537f TJ |
43 | |
44 | /* 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */ | |
45 | unsigned char bitbang_mode; | |
545820ce | 46 | |
a3da1d95 GE |
47 | // misc |
48 | char *error_str; | |
49 | }; | |
50 | ||
b8aa7b35 | 51 | struct ftdi_eeprom { |
d9f0cce7 | 52 | int vendor_id; |
b8aa7b35 TJ |
53 | int product_id; |
54 | ||
d9f0cce7 | 55 | int self_powered; |
b8aa7b35 TJ |
56 | int remote_wakeup; |
57 | int BM_type_chip; | |
58 | ||
59 | int in_is_isochronous; | |
60 | int out_is_isochronous; | |
61 | int suspend_pull_downs; | |
62 | ||
63 | int use_serial; | |
64 | int change_usb_version; | |
65 | int usb_version; | |
66 | int max_power; | |
d9f0cce7 | 67 | |
b8aa7b35 TJ |
68 | char *manufacturer; |
69 | char *product; | |
70 | char *serial; | |
71 | }; | |
72 | ||
a3da1d95 GE |
73 | #ifdef __cplusplus |
74 | extern "C" { | |
75 | #endif | |
76 | ||
77 | int ftdi_init(struct ftdi_context *ftdi); | |
948f9ada | 78 | void ftdi_deinit(struct ftdi_context *ftdi); |
a3da1d95 GE |
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); | |
a60be878 | 83 | int ftdi_usb_purge_buffers(struct ftdi_context *ftdi); |
a3da1d95 GE |
84 | |
85 | int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate); | |
948f9ada | 86 | |
be5d7eec | 87 | int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size); |
948f9ada TJ |
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); | |
90 | ||
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); | |
a3da1d95 GE |
94 | |
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); | |
98 | ||
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); | |
101 | ||
b8aa7b35 TJ |
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); | |
105 | ||
a3da1d95 GE |
106 | // "eeprom" needs to be valid 128 byte eeprom (generated by the eeprom generator) |
107 | // the checksum of the eeprom is valided | |
be5d7eec TJ |
108 | int ftdi_read_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom); |
109 | int ftdi_write_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom); | |
b8aa7b35 | 110 | int ftdi_erase_eeprom(struct ftdi_context *ftdi); |
a3da1d95 GE |
111 | |
112 | #ifdef __cplusplus | |
113 | } | |
114 | #endif | |
115 | ||
116 | #endif /* __libftdi_h__ */ |