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FT232H: Handle the EEPROM Bit for Enter Powerdsave on ACBUS7
[libftdi] / src / ftdi.h
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1/***************************************************************************
2 ftdi.h - description
3 -------------------
4 begin : Fri Apr 4 2003
5 copyright : (C) 2003-2011 by Intra2net AG and the libftdi developers
6 email : opensource@intra2net.com
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
20#include <libusb.h>
21
22/* Even on 93xx66 at max 256 bytes are used (AN_121)*/
23#define FTDI_MAX_EEPROM_SIZE 256
24
25/** FTDI chip type */
26enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2, TYPE_R=3, TYPE_2232H=4, TYPE_4232H=5, TYPE_232H=6 };
27/** Parity mode for ftdi_set_line_property() */
28enum ftdi_parity_type { NONE=0, ODD=1, EVEN=2, MARK=3, SPACE=4 };
29/** Number of stop bits for ftdi_set_line_property() */
30enum ftdi_stopbits_type { STOP_BIT_1=0, STOP_BIT_15=1, STOP_BIT_2=2 };
31/** Number of bits for ftdi_set_line_property() */
32enum ftdi_bits_type { BITS_7=7, BITS_8=8 };
33/** Break type for ftdi_set_line_property2() */
34enum ftdi_break_type { BREAK_OFF=0, BREAK_ON=1 };
35
36/** MPSSE bitbang modes */
37enum ftdi_mpsse_mode
38{
39 BITMODE_RESET = 0x00, /**< switch off bitbang mode, back to regular serial/FIFO */
40 BITMODE_BITBANG= 0x01, /**< classical asynchronous bitbang mode, introduced with B-type chips */
41 BITMODE_MPSSE = 0x02, /**< MPSSE mode, available on 2232x chips */
42 BITMODE_SYNCBB = 0x04, /**< synchronous bitbang mode, available on 2232x and R-type chips */
43 BITMODE_MCU = 0x08, /**< MCU Host Bus Emulation mode, available on 2232x chips */
44 /* CPU-style fifo mode gets set via EEPROM */
45 BITMODE_OPTO = 0x10, /**< Fast Opto-Isolated Serial Interface Mode, available on 2232x chips */
46 BITMODE_CBUS = 0x20, /**< Bitbang on CBUS pins of R-type chips, configure in EEPROM before */
47 BITMODE_SYNCFF = 0x40, /**< Single Channel Synchronous FIFO mode, available on 2232H chips */
48};
49
50/** Port interface for chips with multiple interfaces */
51enum ftdi_interface
52{
53 INTERFACE_ANY = 0,
54 INTERFACE_A = 1,
55 INTERFACE_B = 2,
56 INTERFACE_C = 3,
57 INTERFACE_D = 4
58};
59
60/** Automatic loading / unloading of kernel modules */
61enum ftdi_module_detach_mode
62{
63 AUTO_DETACH_SIO_MODULE = 0,
64 DONT_DETACH_SIO_MODULE = 1
65};
66
67/* Shifting commands IN MPSSE Mode*/
68#define MPSSE_WRITE_NEG 0x01 /* Write TDI/DO on negative TCK/SK edge*/
69#define MPSSE_BITMODE 0x02 /* Write bits, not bytes */
70#define MPSSE_READ_NEG 0x04 /* Sample TDO/DI on negative TCK/SK edge */
71#define MPSSE_LSB 0x08 /* LSB first */
72#define MPSSE_DO_WRITE 0x10 /* Write TDI/DO */
73#define MPSSE_DO_READ 0x20 /* Read TDO/DI */
74#define MPSSE_WRITE_TMS 0x40 /* Write TMS/CS */
75
76/* FTDI MPSSE commands */
77#define SET_BITS_LOW 0x80
78/*BYTE DATA*/
79/*BYTE Direction*/
80#define SET_BITS_HIGH 0x82
81/*BYTE DATA*/
82/*BYTE Direction*/
83#define GET_BITS_LOW 0x81
84#define GET_BITS_HIGH 0x83
85#define LOOPBACK_START 0x84
86#define LOOPBACK_END 0x85
87#define TCK_DIVISOR 0x86
88/* H Type specific commands */
89#define DIS_DIV_5 0x8a
90#define EN_DIV_5 0x8b
91#define EN_3_PHASE 0x8c
92#define DIS_3_PHASE 0x8d
93#define CLK_BITS 0x8e
94#define CLK_BYTES 0x8f
95#define CLK_WAIT_HIGH 0x94
96#define CLK_WAIT_LOW 0x95
97#define EN_ADAPTIVE 0x96
98#define DIS_ADAPTIVE 0x97
99#define CLK_BYTES_OR_HIGH 0x9c
100#define CLK_BYTES_OR_LOW 0x0d
101/*FT232H specific commands */
102#define DRIVE_OPEN_COLLECTOR 0x9e
103/* Value Low */
104/* Value HIGH */ /*rate is 12000000/((1+value)*2) */
105#define DIV_VALUE(rate) (rate > 6000000)?0:((6000000/rate -1) > 0xffff)? 0xffff: (6000000/rate -1)
106
107/* Commands in MPSSE and Host Emulation Mode */
108#define SEND_IMMEDIATE 0x87
109#define WAIT_ON_HIGH 0x88
110#define WAIT_ON_LOW 0x89
111
112/* Commands in Host Emulation Mode */
113#define READ_SHORT 0x90
114/* Address_Low */
115#define READ_EXTENDED 0x91
116/* Address High */
117/* Address Low */
118#define WRITE_SHORT 0x92
119/* Address_Low */
120#define WRITE_EXTENDED 0x93
121/* Address High */
122/* Address Low */
123
124/* Definitions for flow control */
125#define SIO_RESET 0 /* Reset the port */
126#define SIO_MODEM_CTRL 1 /* Set the modem control register */
127#define SIO_SET_FLOW_CTRL 2 /* Set flow control register */
128#define SIO_SET_BAUD_RATE 3 /* Set baud rate */
129#define SIO_SET_DATA 4 /* Set the data characteristics of the port */
130
131#define FTDI_DEVICE_OUT_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_OUT)
132#define FTDI_DEVICE_IN_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_IN)
133
134/* Requests */
135#define SIO_RESET_REQUEST SIO_RESET
136#define SIO_SET_BAUDRATE_REQUEST SIO_SET_BAUD_RATE
137#define SIO_SET_DATA_REQUEST SIO_SET_DATA
138#define SIO_SET_FLOW_CTRL_REQUEST SIO_SET_FLOW_CTRL
139#define SIO_SET_MODEM_CTRL_REQUEST SIO_MODEM_CTRL
140#define SIO_POLL_MODEM_STATUS_REQUEST 0x05
141#define SIO_SET_EVENT_CHAR_REQUEST 0x06
142#define SIO_SET_ERROR_CHAR_REQUEST 0x07
143#define SIO_SET_LATENCY_TIMER_REQUEST 0x09
144#define SIO_GET_LATENCY_TIMER_REQUEST 0x0A
145#define SIO_SET_BITMODE_REQUEST 0x0B
146#define SIO_READ_PINS_REQUEST 0x0C
147#define SIO_READ_EEPROM_REQUEST 0x90
148#define SIO_WRITE_EEPROM_REQUEST 0x91
149#define SIO_ERASE_EEPROM_REQUEST 0x92
150
151
152#define SIO_RESET_SIO 0
153#define SIO_RESET_PURGE_RX 1
154#define SIO_RESET_PURGE_TX 2
155
156#define SIO_DISABLE_FLOW_CTRL 0x0
157#define SIO_RTS_CTS_HS (0x1 << 8)
158#define SIO_DTR_DSR_HS (0x2 << 8)
159#define SIO_XON_XOFF_HS (0x4 << 8)
160
161#define SIO_SET_DTR_MASK 0x1
162#define SIO_SET_DTR_HIGH ( 1 | ( SIO_SET_DTR_MASK << 8))
163#define SIO_SET_DTR_LOW ( 0 | ( SIO_SET_DTR_MASK << 8))
164#define SIO_SET_RTS_MASK 0x2
165#define SIO_SET_RTS_HIGH ( 2 | ( SIO_SET_RTS_MASK << 8 ))
166#define SIO_SET_RTS_LOW ( 0 | ( SIO_SET_RTS_MASK << 8 ))
167
168#define SIO_RTS_CTS_HS (0x1 << 8)
169
170/* marker for unused usb urb structures
171 (taken from libusb) */
172#define FTDI_URB_USERCONTEXT_COOKIE ((void *)0x1)
173
174#ifdef __GNUC__
175 #define DEPRECATED(func) func __attribute__ ((deprecated))
176#elif defined(_MSC_VER)
177 #define DEPRECATED(func) __declspec(deprecated) func
178#else
179 #pragma message("WARNING: You need to implement DEPRECATED for this compiler")
180 #define DEPRECATED(func) func
181#endif
182
183struct ftdi_transfer_control
184{
185 int completed;
186 unsigned char *buf;
187 int size;
188 int offset;
189 struct ftdi_context *ftdi;
190 struct libusb_transfer *transfer;
191};
192
193/**
194 \brief FTDI eeprom structure
195*/
196struct ftdi_eeprom
197{
198 /** vendor id */
199 int vendor_id;
200 /** product id */
201 int product_id;
202
203 /** self powered */
204 int self_powered;
205 /** remote wakeup */
206 int remote_wakeup;
207
208 int is_not_pnp;
209
210 /* Suspend on DBUS7 Low */
211 int suspend_dbus7;
212
213 /** input in isochronous transfer mode */
214 int in_is_isochronous;
215 /** output in isochronous transfer mode */
216 int out_is_isochronous;
217 /** suspend pull downs */
218 int suspend_pull_downs;
219
220 /** use serial */
221 int use_serial;
222 /** usb version */
223 int usb_version;
224 /** Use usb version on FT2232 devices*/
225 int use_usb_version;
226 /** maximum power */
227 int max_power;
228
229 /** manufacturer name */
230 char *manufacturer;
231 /** product name */
232 char *product;
233 /** serial number */
234 char *serial;
235
236 /* 2232D/H(/FT4432H?) specific */
237 /* Hardware type, 0 = RS232 Uart, 1 = 245 FIFO, 2 = CPU FIFO,
238 4 = OPTO Isolate */
239 int channel_a_type;
240 int channel_b_type;
241 /* Driver Type, 1 = VCP */
242 int channel_a_driver;
243 int channel_b_driver;
244
245 /* Special function of FT232R devices (and possibly others as well) */
246 /** CBUS pin function. See CBUS_xxx defines. */
247 int cbus_function[5];
248 /** Select hight current drive on R devices. */
249 int high_current;
250 /** Select hight current drive on A channel (2232C */
251 int high_current_a;
252 /** Select hight current drive on B channel (2232C). */
253 int high_current_b;
254 /** Select inversion of data lines (bitmask). */
255 int invert;
256
257 /*2232H/4432H Group specific values */
258 /* Group0 is AL on 2322H and A on 4232H
259 Group1 is AH on 2232H and B on 4232H
260 Group2 is BL on 2322H and C on 4232H
261 Group3 is BH on 2232H and C on 4232H*/
262 int group0_drive;
263 int group0_schmitt;
264 int group0_slew;
265 int group1_drive;
266 int group1_schmitt;
267 int group1_slew;
268 int group2_drive;
269 int group2_schmitt;
270 int group2_slew;
271 int group3_drive;
272 int group3_schmitt;
273 int group3_slew;
274
275 int powersave;
276
277 /** eeprom size in bytes. This doesn't get stored in the eeprom
278 but is the only way to pass it to ftdi_eeprom_build. */
279 int size;
280 /* EEPROM Type 0x46 for 93xx46, 0x56 for 93xx56 and 0x66 for 93xx66*/
281 int chip;
282 unsigned char buf[FTDI_MAX_EEPROM_SIZE];
283};
284
285/**
286 \brief Main context structure for all libftdi functions.
287
288 Do not access directly if possible.
289*/
290struct ftdi_context
291{
292 /* USB specific */
293 /** libusb's context */
294 struct libusb_context *usb_ctx;
295 /** libusb's usb_dev_handle */
296 struct libusb_device_handle *usb_dev;
297 /** usb read timeout */
298 int usb_read_timeout;
299 /** usb write timeout */
300 int usb_write_timeout;
301
302 /* FTDI specific */
303 /** FTDI chip type */
304 enum ftdi_chip_type type;
305 /** baudrate */
306 int baudrate;
307 /** bitbang mode state */
308 unsigned char bitbang_enabled;
309 /** pointer to read buffer for ftdi_read_data */
310 unsigned char *readbuffer;
311 /** read buffer offset */
312 unsigned int readbuffer_offset;
313 /** number of remaining data in internal read buffer */
314 unsigned int readbuffer_remaining;
315 /** read buffer chunk size */
316 unsigned int readbuffer_chunksize;
317 /** write buffer chunk size */
318 unsigned int writebuffer_chunksize;
319 /** maximum packet size. Needed for filtering modem status bytes every n packets. */
320 unsigned int max_packet_size;
321
322 /* FTDI FT2232C requirecments */
323 /** FT2232C interface number: 0 or 1 */
324 int interface; /* 0 or 1 */
325 /** FT2232C index number: 1 or 2 */
326 int index; /* 1 or 2 */
327 /* Endpoints */
328 /** FT2232C end points: 1 or 2 */
329 int in_ep;
330 int out_ep; /* 1 or 2 */
331
332 /** Bitbang mode. 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */
333 unsigned char bitbang_mode;
334
335 /** Decoded eeprom structure */
336 struct ftdi_eeprom *eeprom;
337
338 /** String representation of last error */
339 char *error_str;
340
341 /** Defines behavior in case a kernel module is already attached to the device */
342 enum ftdi_module_detach_mode module_detach_mode;
343};
344
345/**
346 List all handled EEPROM values.
347 Append future new values only at the end to provide API/ABI stability*/
348enum ftdi_eeprom_value
349{
350 VENDOR_ID = 0,
351 PRODUCT_ID = 1,
352 SELF_POWERED = 2,
353 REMOTE_WAKEUP = 3,
354 IS_NOT_PNP = 4,
355 SUSPEND_DBUS7 = 5,
356 IN_IS_ISOCHRONOUS = 6,
357 OUT_IS_ISOCHRONOUS = 7,
358 SUSPEND_PULL_DOWNS = 8,
359 USE_SERIAL = 9,
360 USB_VERSION = 10,
361 USE_USB_VERSION = 11,
362 MAX_POWER = 12,
363 CHANNEL_A_TYPE = 13,
364 CHANNEL_B_TYPE = 14,
365 CHANNEL_A_DRIVER = 15,
366 CHANNEL_B_DRIVER = 16,
367 CBUS_FUNCTION_0 = 17,
368 CBUS_FUNCTION_1 = 18,
369 CBUS_FUNCTION_2 = 19,
370 CBUS_FUNCTION_3 = 20,
371 CBUS_FUNCTION_4 = 21,
372 HIGH_CURRENT = 22,
373 HIGH_CURRENT_A = 23,
374 HIGH_CURRENT_B = 24,
375 INVERT = 25,
376 GROUP0_DRIVE = 26,
377 GROUP0_SCHMITT = 27,
378 GROUP0_SLEW = 28,
379 GROUP1_DRIVE = 29,
380 GROUP1_SCHMITT = 30,
381 GROUP1_SLEW = 31,
382 GROUP2_DRIVE = 32,
383 GROUP2_SCHMITT = 33,
384 GROUP2_SLEW = 34,
385 GROUP3_DRIVE = 35,
386 GROUP3_SCHMITT = 36,
387 GROUP3_SLEW = 37,
388 CHIP_SIZE = 38,
389 CHIP_TYPE = 39,
390 POWER_SAVE = 40
391};
392
393/**
394 \brief list of usb devices created by ftdi_usb_find_all()
395*/
396struct ftdi_device_list
397{
398 /** pointer to next entry */
399 struct ftdi_device_list *next;
400 /** pointer to libusb's usb_device */
401 struct libusb_device *dev;
402};
403
404#define POWER_SAVE_DISABLE_H 0x80
405
406#define USE_SERIAL_NUM 0x08
407enum ftdi_cbus_func {/* FIXME: Recheck value, especially the last */
408 CBUS_TXDEN = 0, CBUS_PWREN = 1, CBUS_RXLED = 2, CBUS_TXLED = 3, CBUS_TXRXLED = 4,
409 CBUS_SLEEP = 5, CBUS_CLK48 = 6, CBUS_CLK24 = 7, CBUS_CLK12 = 8, CBUS_CLK6 = 9,
410 CBUS_IOMODE = 0xa, CBUS_BB_WR = 0xb, CBUS_BB_RD = 0xc, CBUS_BB = 0xd};
411
412/** Invert TXD# */
413#define INVERT_TXD 0x01
414/** Invert RXD# */
415#define INVERT_RXD 0x02
416/** Invert RTS# */
417#define INVERT_RTS 0x04
418/** Invert CTS# */
419#define INVERT_CTS 0x08
420/** Invert DTR# */
421#define INVERT_DTR 0x10
422/** Invert DSR# */
423#define INVERT_DSR 0x20
424/** Invert DCD# */
425#define INVERT_DCD 0x40
426/** Invert RI# */
427#define INVERT_RI 0x80
428
429/** Interface Mode. */
430#define CHANNEL_IS_UART 0x0
431#define CHANNEL_IS_245 0x1
432#define CHANNEL_IS_CPU 0x2
433#define CHANNEL_IS_OPTO 0x4
434
435#define DRIVE_4MA 0
436#define DRIVE_8MA 1
437#define DRIVE_12MA 2
438#define DRIVE_16MA 3
439#define SLOW_SLEW 4
440#define IS_SCHMITT 8
441
442/** Driver Type. */
443#define DRIVER_VCP 0x08
444#define DRIVER_VCPH 0x10 /* FT232H has moved the VCP bit */
445
446#define USE_USB_VERSION_BIT 0x10
447
448#define SUSPEND_DBUS7_BIT 0x80
449
450/** High current drive. */
451#define HIGH_CURRENT_DRIVE 0x10
452#define HIGH_CURRENT_DRIVE_R 0x04
453
454/**
455 \brief Progress Info for streaming read
456*/
457struct size_and_time
458{
459 uint64_t totalBytes;
460 struct timeval time;
461};
462
463typedef struct
464{
465 struct size_and_time first;
466 struct size_and_time prev;
467 struct size_and_time current;
468 double totalTime;
469 double totalRate;
470 double currentRate;
471} FTDIProgressInfo;
472
473typedef int (FTDIStreamCallback)(uint8_t *buffer, int length,
474 FTDIProgressInfo *progress, void *userdata);
475
476
477#ifdef __cplusplus
478extern "C"
479{
480#endif
481
482 int ftdi_init(struct ftdi_context *ftdi);
483 struct ftdi_context *ftdi_new(void);
484 int ftdi_set_interface(struct ftdi_context *ftdi, enum ftdi_interface interface);
485
486 void ftdi_deinit(struct ftdi_context *ftdi);
487 void ftdi_free(struct ftdi_context *ftdi);
488 void ftdi_set_usbdev (struct ftdi_context *ftdi, struct libusb_device_handle *usbdev);
489
490 int ftdi_usb_find_all(struct ftdi_context *ftdi, struct ftdi_device_list **devlist,
491 int vendor, int product);
492 void ftdi_list_free(struct ftdi_device_list **devlist);
493 void ftdi_list_free2(struct ftdi_device_list *devlist);
494 int ftdi_usb_get_strings(struct ftdi_context *ftdi, struct libusb_device *dev,
495 char * manufacturer, int mnf_len,
496 char * description, int desc_len,
497 char * serial, int serial_len);
498
499 int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product);
500 int ftdi_usb_open_desc(struct ftdi_context *ftdi, int vendor, int product,
501 const char* description, const char* serial);
502 int ftdi_usb_open_desc_index(struct ftdi_context *ftdi, int vendor, int product,
503 const char* description, const char* serial, unsigned int index);
504 int ftdi_usb_open_dev(struct ftdi_context *ftdi, struct libusb_device *dev);
505 int ftdi_usb_open_string(struct ftdi_context *ftdi, const char* description);
506
507 int ftdi_usb_close(struct ftdi_context *ftdi);
508 int ftdi_usb_reset(struct ftdi_context *ftdi);
509 int ftdi_usb_purge_rx_buffer(struct ftdi_context *ftdi);
510 int ftdi_usb_purge_tx_buffer(struct ftdi_context *ftdi);
511 int ftdi_usb_purge_buffers(struct ftdi_context *ftdi);
512
513 int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate);
514 int ftdi_set_line_property(struct ftdi_context *ftdi, enum ftdi_bits_type bits,
515 enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity);
516 int ftdi_set_line_property2(struct ftdi_context *ftdi, enum ftdi_bits_type bits,
517 enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity,
518 enum ftdi_break_type break_type);
519
520 int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size);
521 int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize);
522 int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize);
523
524 int ftdi_write_data(struct ftdi_context *ftdi, unsigned char *buf, int size);
525 int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize);
526 int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize);
527
528 int ftdi_readstream(struct ftdi_context *ftdi, FTDIStreamCallback *callback,
529 void *userdata, int packetsPerTransfer, int numTransfers);
530 int ftdi_write_data_async(struct ftdi_context *ftdi, unsigned char *buf, int size);
531 void ftdi_async_complete(struct ftdi_context *ftdi, int wait_for_more);
532
533 struct ftdi_transfer_control *ftdi_read_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size);
534 int ftdi_transfer_data_done(struct ftdi_transfer_control *tc);
535
536 int DEPRECATED(ftdi_enable_bitbang(struct ftdi_context *ftdi, unsigned char bitmask));
537 int ftdi_disable_bitbang(struct ftdi_context *ftdi);
538 int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode);
539 int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins);
540
541 int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency);
542 int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency);
543
544 int ftdi_poll_modem_status(struct ftdi_context *ftdi, unsigned short *status);
545
546 /* flow control */
547 int ftdi_setflowctrl(struct ftdi_context *ftdi, int flowctrl);
548 int ftdi_setdtr_rts(struct ftdi_context *ftdi, int dtr, int rts);
549 int ftdi_setdtr(struct ftdi_context *ftdi, int state);
550 int ftdi_setrts(struct ftdi_context *ftdi, int state);
551
552 int ftdi_set_event_char(struct ftdi_context *ftdi, unsigned char eventch, unsigned char enable);
553 int ftdi_set_error_char(struct ftdi_context *ftdi, unsigned char errorch, unsigned char enable);
554
555 /* init eeprom for the given FTDI type */
556 int ftdi_eeprom_initdefaults(struct ftdi_context *ftdi,
557 char * manufacturer, char *product,
558 char * serial);
559 int ftdi_eeprom_build(struct ftdi_context *ftdi);
560 int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose);
561
562 int ftdi_get_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int* value);
563 int ftdi_set_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int value);
564
565 int ftdi_get_eeprom_buf(struct ftdi_context *ftdi, unsigned char * buf, int size);
566
567 int ftdi_read_eeprom(struct ftdi_context *ftdi);
568 int ftdi_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid);
569 int ftdi_write_eeprom(struct ftdi_context *ftdi);
570 int ftdi_erase_eeprom(struct ftdi_context *ftdi);
571
572 int ftdi_read_eeprom_location (struct ftdi_context *ftdi, int eeprom_addr, unsigned short *eeprom_val);
573 int ftdi_write_eeprom_location(struct ftdi_context *ftdi, int eeprom_addr, unsigned short eeprom_val);
574
575 char *ftdi_get_error_string(struct ftdi_context *ftdi);
576
577#ifdef __cplusplus
578}
579#endif
580
581#endif /* __libftdi_h__ */
A library to talk to FTDI chips