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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 | |
43 | ||
44 | int reading; // 0 or 1 - for performance increase in SPI mode | |
45 | ||
a3da1d95 GE |
46 | // misc |
47 | char *error_str; | |
48 | }; | |
49 | ||
b8aa7b35 | 50 | struct ftdi_eeprom { |
d9f0cce7 | 51 | int vendor_id; |
b8aa7b35 TJ |
52 | int product_id; |
53 | ||
d9f0cce7 | 54 | int self_powered; |
b8aa7b35 TJ |
55 | int remote_wakeup; |
56 | int BM_type_chip; | |
57 | ||
58 | int in_is_isochronous; | |
59 | int out_is_isochronous; | |
60 | int suspend_pull_downs; | |
61 | ||
62 | int use_serial; | |
63 | int change_usb_version; | |
64 | int usb_version; | |
65 | int max_power; | |
d9f0cce7 | 66 | |
b8aa7b35 TJ |
67 | char *manufacturer; |
68 | char *product; | |
69 | char *serial; | |
70 | }; | |
71 | ||
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72 | #ifdef __cplusplus |
73 | extern "C" { | |
74 | #endif | |
75 | ||
76 | int ftdi_init(struct ftdi_context *ftdi); | |
948f9ada | 77 | void ftdi_deinit(struct ftdi_context *ftdi); |
a3da1d95 GE |
78 | void ftdi_set_usbdev (struct ftdi_context *ftdi, usb_dev_handle *usbdev); |
79 | int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product); | |
80 | int ftdi_usb_close(struct ftdi_context *ftdi); | |
81 | int ftdi_usb_reset(struct ftdi_context *ftdi); | |
a60be878 | 82 | int ftdi_usb_purge_buffers(struct ftdi_context *ftdi); |
a3da1d95 GE |
83 | |
84 | int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate); | |
948f9ada | 85 | |
be5d7eec | 86 | int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size); |
948f9ada TJ |
87 | int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); |
88 | int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize); | |
89 | ||
90 | int ftdi_write_data(struct ftdi_context *ftdi, unsigned char *buf, int size); | |
91 | int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); | |
92 | int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize); | |
a3da1d95 GE |
93 | |
94 | int ftdi_enable_bitbang(struct ftdi_context *ftdi, unsigned char bitmask); | |
95 | int ftdi_disable_bitbang(struct ftdi_context *ftdi); | |
96 | int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins); | |
97 | ||
98 | int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency); | |
99 | int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency); | |
100 | ||
b8aa7b35 TJ |
101 | // init and build eeprom from ftdi_eeprom structure |
102 | void ftdi_eeprom_initdefaults(struct ftdi_eeprom *eeprom); | |
103 | int ftdi_eeprom_build(struct ftdi_eeprom *eeprom, unsigned char *output); | |
104 | ||
a3da1d95 GE |
105 | // "eeprom" needs to be valid 128 byte eeprom (generated by the eeprom generator) |
106 | // the checksum of the eeprom is valided | |
be5d7eec TJ |
107 | int ftdi_read_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom); |
108 | int ftdi_write_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom); | |
b8aa7b35 | 109 | int ftdi_erase_eeprom(struct ftdi_context *ftdi); |
a3da1d95 GE |
110 | |
111 | #ifdef __cplusplus | |
112 | } | |
113 | #endif | |
114 | ||
115 | #endif /* __libftdi_h__ */ |