Updated ChangeLog and AUTHORS
[libftdi] / src / ftdi.h
CommitLineData
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
98452d97 20#include <usb.h>
0e302db6 21
c201f80f
TJ
22#define FTDI_DEFAULT_EEPROM_SIZE 128
23
91c9886b 24/** FTDI chip type */
cb6250fa 25enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2, TYPE_R=3 };
91c9886b 26/** Parity mode for ftdi_set_line_property() */
2f73e59f 27enum ftdi_parity_type { NONE=0, ODD=1, EVEN=2, MARK=3, SPACE=4 };
91c9886b 28/** Number of stop bits for ftdi_set_line_property() */
2f73e59f 29enum ftdi_stopbits_type { STOP_BIT_1=0, STOP_BIT_15=1, STOP_BIT_2=2 };
91c9886b 30/** Number of bits for ftdi_set_line_property() */
2f73e59f 31enum ftdi_bits_type { BITS_7=7, BITS_8=8 };
91c9886b 32/** Break type for ftdi_set_line_property2() */
6c32e222 33enum ftdi_break_type { BREAK_OFF=0, BREAK_ON=1 };
2f73e59f 34
91c9886b 35/** MPSSE bitbang modes */
c4446c36
TJ
36enum ftdi_mpsse_mode {
37 BITMODE_RESET = 0x00,
38 BITMODE_BITBANG= 0x01,
39 BITMODE_MPSSE = 0x02,
40 BITMODE_SYNCBB = 0x04,
41 BITMODE_MCU = 0x08,
91c9886b 42 /* CPU-style fifo mode gets set via EEPROM */
8144d211
TJ
43 BITMODE_OPTO = 0x10,
44 BITMODE_CBUS = 0x20
c4446c36
TJ
45};
46
91c9886b 47/** Port interface for FT2232C */
c4446c36
TJ
48enum ftdi_interface {
49 INTERFACE_ANY = 0,
50 INTERFACE_A = 1,
51 INTERFACE_B = 2
52};
53
54/* Shifting commands IN MPSSE Mode*/
55#define MPSSE_WRITE_NEG 0x01 /* Write TDI/DO on negative TCK/SK edge*/
56#define MPSSE_BITMODE 0x02 /* Write bits, not bytes */
57#define MPSSE_READ_NEG 0x04 /* Sample TDO/DI on negative TCK/SK edge */
58#define MPSSE_LSB 0x08 /* LSB first */
59#define MPSSE_DO_WRITE 0x10 /* Write TDI/DO */
60#define MPSSE_DO_READ 0x20 /* Read TDO/DI */
61#define MPSSE_WRITE_TMS 0x40 /* Write TMS/CS */
62
63/* FTDI MPSSE commands */
64#define SET_BITS_LOW 0x80
65/*BYTE DATA*/
66/*BYTE Direction*/
67#define SET_BITS_HIGH 0x82
68/*BYTE DATA*/
69/*BYTE Direction*/
70#define GET_BITS_LOW 0x81
71#define GET_BITS_HIGH 0x83
72#define LOOPBACK_START 0x84
73#define LOOPBACK_END 0x85
74#define TCK_DIVISOR 0x86
75/* Value Low */
76/* Value HIGH */ /*rate is 12000000/((1+value)*2) */
77#define DIV_VALUE(rate) (rate > 6000000)?0:((6000000/rate -1) > 0xffff)? 0xffff: (6000000/rate -1)
78
79/* Commands in MPSSE and Host Emulation Mode */
80#define SEND_IMMEDIATE 0x87
81#define WAIT_ON_HIGH 0x88
82#define WAIT_ON_LOW 0x89
83
84/* Commands in Host Emulation Mode */
85#define READ_SHORT 0x90
86/* Address_Low */
87#define READ_EXTENDED 0x91
88/* Address High */
89/* Address Low */
90#define WRITE_SHORT 0x92
91/* Address_Low */
92#define WRITE_EXTENDED 0x93
93/* Address High */
94/* Address Low */
53ad271d 95
a01d31e2 96/* Definitions for flow control */
9ecfef2a 97#define SIO_RESET 0 /* Reset the port */
a01d31e2
TJ
98#define SIO_MODEM_CTRL 1 /* Set the modem control register */
99#define SIO_SET_FLOW_CTRL 2 /* Set flow control register */
9ecfef2a
TJ
100#define SIO_SET_BAUD_RATE 3 /* Set baud rate */
101#define SIO_SET_DATA 4 /* Set the data characteristics of the port */
102
a5e1bd8c
MK
103#define FTDI_DEVICE_OUT_REQTYPE (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT)
104#define FTDI_DEVICE_IN_REQTYPE (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN)
105
106/* Requests */
107#define SIO_RESET_REQUEST SIO_RESET
108#define SIO_SET_BAUDRATE_REQUEST SIO_SET_BAUD_RATE
109#define SIO_SET_DATA_REQUEST SIO_SET_DATA
110#define SIO_SET_FLOW_CTRL_REQUEST SIO_SET_FLOW_CTRL
111#define SIO_SET_MODEM_CTRL_REQUEST SIO_MODEM_CTRL
112#define SIO_POLL_MODEM_STATUS_REQUEST 0x05
113#define SIO_SET_EVENT_CHAR_REQUEST 0x06
114#define SIO_SET_ERROR_CHAR_REQUEST 0x07
115#define SIO_SET_LATENCY_TIMER_REQUEST 0x09
116#define SIO_GET_LATENCY_TIMER_REQUEST 0x0A
117#define SIO_SET_BITMODE_REQUEST 0x0B
118#define SIO_READ_PINS_REQUEST 0x0C
119#define SIO_READ_EEPROM_REQUEST 0x90
120#define SIO_WRITE_EEPROM_REQUEST 0x91
121#define SIO_ERASE_EEPROM_REQUEST 0x92
122
123
9ecfef2a
TJ
124#define SIO_RESET_SIO 0
125#define SIO_RESET_PURGE_RX 1
126#define SIO_RESET_PURGE_TX 2
127
a01d31e2
TJ
128#define SIO_DISABLE_FLOW_CTRL 0x0
129#define SIO_RTS_CTS_HS (0x1 << 8)
130#define SIO_DTR_DSR_HS (0x2 << 8)
131#define SIO_XON_XOFF_HS (0x4 << 8)
132
a01d31e2
TJ
133#define SIO_SET_DTR_MASK 0x1
134#define SIO_SET_DTR_HIGH ( 1 | ( SIO_SET_DTR_MASK << 8))
135#define SIO_SET_DTR_LOW ( 0 | ( SIO_SET_DTR_MASK << 8))
136#define SIO_SET_RTS_MASK 0x2
137#define SIO_SET_RTS_HIGH ( 2 | ( SIO_SET_RTS_MASK << 8 ))
138#define SIO_SET_RTS_LOW ( 0 | ( SIO_SET_RTS_MASK << 8 ))
139
140#define SIO_RTS_CTS_HS (0x1 << 8)
141
7cc9950e
GE
142/* marker for unused usb urb structures
143 (taken from libusb) */
144#define FTDI_URB_USERCONTEXT_COOKIE ((void *)0x1)
145
9bec2387 146/**
b5ec1820 147 \brief Main context structure for all libftdi functions.
a01d31e2 148
9bec2387
TJ
149 Do not access directly if possible.
150*/
a3da1d95 151struct ftdi_context {
91c9886b
MJ
152 /* USB specific */
153 /** libusb's usb_dev_handle */
98452d97 154 struct usb_dev_handle *usb_dev;
91c9886b 155 /** usb read timeout */
545820ce 156 int usb_read_timeout;
91c9886b 157 /** usb write timeout */
545820ce 158 int usb_write_timeout;
a3da1d95 159
91c9886b
MJ
160 /* FTDI specific */
161 /** FTDI chip type */
53ad271d 162 enum ftdi_chip_type type;
91c9886b 163 /** baudrate */
a3da1d95 164 int baudrate;
91c9886b 165 /** bitbang mode state */
a3da1d95 166 unsigned char bitbang_enabled;
91c9886b 167 /** pointer to read buffer for ftdi_read_data */
948f9ada 168 unsigned char *readbuffer;
91c9886b 169 /** read buffer offset */
4ece2c24 170 unsigned int readbuffer_offset;
91c9886b 171 /** number of remaining data in internal read buffer */
4ece2c24 172 unsigned int readbuffer_remaining;
91c9886b 173 /** read buffer chunk size */
948f9ada 174 unsigned int readbuffer_chunksize;
91c9886b 175 /** write buffer chunk size */
948f9ada 176 unsigned int writebuffer_chunksize;
d9f0cce7 177
91c9886b
MJ
178 /* FTDI FT2232C requirecments */
179 /** FT2232C interface number: 0 or 1 */
180 int interface; /* 0 or 1 */
181 /** FT2232C index number: 1 or 2 */
182 int index; /* 1 or 2 */
183 /* Endpoints */
184 /** FT2232C end points: 1 or 2 */
545820ce 185 int in_ep;
91c9886b 186 int out_ep; /* 1 or 2 */
c3d95b87 187
91c9886b 188 /** Bitbang mode. 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */
3119537f 189 unsigned char bitbang_mode;
545820ce 190
91c9886b 191 /** EEPROM size. Default is 128 bytes for 232BM and 245BM chips */
c201f80f
TJ
192 int eeprom_size;
193
91c9886b 194 /** String representation of last error */
a3da1d95 195 char *error_str;
7cc9950e 196
91c9886b 197 /** Buffer needed for async communication */
7cc9950e 198 char *async_usb_buffer;
91c9886b 199 /** Number of URB-structures we can buffer */
7cc9950e 200 unsigned int async_usb_buffer_size;
a3da1d95
GE
201};
202
9bec2387 203/**
b5ec1820 204 \brief list of usb devices created by ftdi_usb_find_all()
9bec2387 205*/
edb82cbf 206struct ftdi_device_list {
91c9886b 207 /** pointer to next entry */
edb82cbf 208 struct ftdi_device_list *next;
91c9886b 209 /** pointer to libusb's usb_device */
edb82cbf
TJ
210 struct usb_device *dev;
211};
212
9bec2387 213/**
b5ec1820 214 \brief FTDI eeprom structure
9bec2387 215*/
b8aa7b35 216struct ftdi_eeprom {
91c9886b 217 /** vendor id */
d9f0cce7 218 int vendor_id;
91c9886b 219 /** product id */
b8aa7b35
TJ
220 int product_id;
221
91c9886b 222 /** self powered */
d9f0cce7 223 int self_powered;
4af1d1bb 224 /** remote wakeup */
b8aa7b35 225 int remote_wakeup;
91c9886b 226 /** chip type */
b8aa7b35
TJ
227 int BM_type_chip;
228
91c9886b 229 /** input in isochronous transfer mode */
b8aa7b35 230 int in_is_isochronous;
91c9886b 231 /** output in isochronous transfer mode */
b8aa7b35 232 int out_is_isochronous;
91c9886b 233 /** suspend pull downs */
b8aa7b35
TJ
234 int suspend_pull_downs;
235
91c9886b 236 /** use serial */
b8aa7b35 237 int use_serial;
91c9886b 238 /** fake usb version */
b8aa7b35 239 int change_usb_version;
91c9886b 240 /** usb version */
b8aa7b35 241 int usb_version;
91c9886b 242 /** maximum power */
b8aa7b35 243 int max_power;
d9f0cce7 244
91c9886b 245 /** manufacturer name */
b8aa7b35 246 char *manufacturer;
91c9886b 247 /** product name */
b8aa7b35 248 char *product;
91c9886b 249 /** serial number */
b8aa7b35 250 char *serial;
c201f80f 251
91c9886b
MJ
252 /** eeprom size in bytes. This doesn't get stored in the eeprom
253 but is the only way to pass it to ftdi_eeprom_build. */
c201f80f 254 int size;
b8aa7b35
TJ
255};
256
a3da1d95
GE
257#ifdef __cplusplus
258extern "C" {
259#endif
260
261 int ftdi_init(struct ftdi_context *ftdi);
cef378aa 262 struct ftdi_context *ftdi_new();
0ce2f5fa 263 int ftdi_set_interface(struct ftdi_context *ftdi, enum ftdi_interface interface);
c4446c36 264
948f9ada 265 void ftdi_deinit(struct ftdi_context *ftdi);
cef378aa 266 void ftdi_free(struct ftdi_context *ftdi);
98452d97 267 void ftdi_set_usbdev (struct ftdi_context *ftdi, usb_dev_handle *usbdev);
a01d31e2 268
edb82cbf
TJ
269 int ftdi_usb_find_all(struct ftdi_context *ftdi, struct ftdi_device_list **devlist,
270 int vendor, int product);
271 void ftdi_list_free(struct ftdi_device_list **devlist);
cef378aa 272 void ftdi_list_free2(struct ftdi_device_list *devlist);
474786c0
TJ
273 int ftdi_usb_get_strings(struct ftdi_context *ftdi, struct usb_device *dev,
274 char * manufacturer, int mnf_len,
275 char * description, int desc_len,
276 char * serial, int serial_len);
a01d31e2 277
a3da1d95 278 int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product);
a8f46ddc
TJ
279 int ftdi_usb_open_desc(struct ftdi_context *ftdi, int vendor, int product,
280 const char* description, const char* serial);
edb82cbf 281 int ftdi_usb_open_dev(struct ftdi_context *ftdi, struct usb_device *dev);
1941414d 282
a3da1d95
GE
283 int ftdi_usb_close(struct ftdi_context *ftdi);
284 int ftdi_usb_reset(struct ftdi_context *ftdi);
1189b11a
TJ
285 int ftdi_usb_purge_rx_buffer(struct ftdi_context *ftdi);
286 int ftdi_usb_purge_tx_buffer(struct ftdi_context *ftdi);
a60be878 287 int ftdi_usb_purge_buffers(struct ftdi_context *ftdi);
a3da1d95
GE
288
289 int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate);
2f73e59f
TJ
290 int ftdi_set_line_property(struct ftdi_context *ftdi, enum ftdi_bits_type bits,
291 enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity);
6c32e222
TJ
292 int ftdi_set_line_property2(struct ftdi_context *ftdi, enum ftdi_bits_type bits,
293 enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity,
294 enum ftdi_break_type break_type);
948f9ada 295
be5d7eec 296 int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size);
948f9ada
TJ
297 int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize);
298 int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize);
299
300 int ftdi_write_data(struct ftdi_context *ftdi, unsigned char *buf, int size);
301 int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize);
302 int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize);
a3da1d95 303
7cc9950e
GE
304 int ftdi_write_data_async(struct ftdi_context *ftdi, unsigned char *buf, int size);
305 void ftdi_async_complete(struct ftdi_context *ftdi, int wait_for_more);
306
a3da1d95
GE
307 int ftdi_enable_bitbang(struct ftdi_context *ftdi, unsigned char bitmask);
308 int ftdi_disable_bitbang(struct ftdi_context *ftdi);
c4446c36 309 int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode);
a3da1d95
GE
310 int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins);
311
312 int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency);
313 int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency);
314
1189b11a
TJ
315 int ftdi_poll_modem_status(struct ftdi_context *ftdi, unsigned short *status);
316
91c9886b 317 /* flow control */
a7fb8440 318 int ftdi_setflowctrl(struct ftdi_context *ftdi, int flowctrl);
9ecfef2a 319 int ftdi_setdtr_rts(struct ftdi_context *ftdi, int dtr, int rts);
a7fb8440
TJ
320 int ftdi_setdtr(struct ftdi_context *ftdi, int state);
321 int ftdi_setrts(struct ftdi_context *ftdi, int state);
322
1189b11a
TJ
323 int ftdi_set_event_char(struct ftdi_context *ftdi, unsigned char eventch, unsigned char enable);
324 int ftdi_set_error_char(struct ftdi_context *ftdi, unsigned char errorch, unsigned char enable);
325
91c9886b 326 /* set eeprom size */
c201f80f
TJ
327 void ftdi_eeprom_setsize(struct ftdi_context *ftdi, struct ftdi_eeprom *eeprom, int size);
328
91c9886b 329 /* init and build eeprom from ftdi_eeprom structure */
b8aa7b35 330 void ftdi_eeprom_initdefaults(struct ftdi_eeprom *eeprom);
49c5ac72
TJ
331 int ftdi_eeprom_build(struct ftdi_eeprom *eeprom, unsigned char *output);
332 int ftdi_eeprom_decode(struct ftdi_eeprom *eeprom, unsigned char *output, int size);
b8aa7b35 333
91c9886b
MJ
334 /* "eeprom" needs to be valid 128 byte eeprom (generated by the eeprom generator)
335 the checksum of the eeprom is valided */
be5d7eec 336 int ftdi_read_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom);
cb6250fa 337 int ftdi_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid);
c201f80f 338 int ftdi_read_eeprom_getsize(struct ftdi_context *ftdi, unsigned char *eeprom, int maxsize);
be5d7eec 339 int ftdi_write_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom);
b8aa7b35 340 int ftdi_erase_eeprom(struct ftdi_context *ftdi);
a3da1d95 341
c3d95b87
TJ
342 char *ftdi_get_error_string(struct ftdi_context *ftdi);
343
a3da1d95
GE
344#ifdef __cplusplus
345}
346#endif
347
348#endif /* __libftdi_h__ */