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testo: Detach kernel driver as needed, and code optimization.
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20/** @file
21 * @internal
22 */
23
24#ifndef LIBSIGROK_LIBSIGROK_INTERNAL_H
25#define LIBSIGROK_LIBSIGROK_INTERNAL_H
26
27#include <stdarg.h>
28#include <glib.h>
29#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
30#ifdef HAVE_LIBUSB_1_0
31#include <libusb.h>
32#endif
33#ifdef HAVE_LIBSERIALPORT
34#include <libserialport.h>
35#endif
36
37/**
38 * @file
39 *
40 * libsigrok private header file, only to be used internally.
41 */
42
43/*--- Macros ----------------------------------------------------------------*/
44
45#ifndef ARRAY_SIZE
46#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
47#endif
48
49#ifndef ARRAY_AND_SIZE
50#define ARRAY_AND_SIZE(a) (a), ARRAY_SIZE(a)
51#endif
52
53/**
54 * Read a 8 bits integer out of memory.
55 * @param x a pointer to the input memory
56 * @return the corresponding integer
57 */
58#define R8(x) ((unsigned)((const uint8_t*)(x))[0])
59
60/**
61 * Read a 16 bits big endian integer out of memory.
62 * @param x a pointer to the input memory
63 * @return the corresponding integer
64 */
65#define RB16(x) (((unsigned)((const uint8_t*)(x))[0] << 8) | \
66 (unsigned)((const uint8_t*)(x))[1])
67
68/**
69 * Read a 16 bits little endian integer out of memory.
70 * @param x a pointer to the input memory
71 * @return the corresponding integer
72 */
73#define RL16(x) (((unsigned)((const uint8_t*)(x))[1] << 8) | \
74 (unsigned)((const uint8_t*)(x))[0])
75
76/**
77 * Read a 32 bits big endian integer out of memory.
78 * @param x a pointer to the input memory
79 * @return the corresponding integer
80 */
81#define RB32(x) (((unsigned)((const uint8_t*)(x))[0] << 24) | \
82 ((unsigned)((const uint8_t*)(x))[1] << 16) | \
83 ((unsigned)((const uint8_t*)(x))[2] << 8) | \
84 (unsigned)((const uint8_t*)(x))[3])
85
86/**
87 * Read a 32 bits little endian integer out of memory.
88 * @param x a pointer to the input memory
89 * @return the corresponding integer
90 */
91#define RL32(x) (((unsigned)((const uint8_t*)(x))[3] << 24) | \
92 ((unsigned)((const uint8_t*)(x))[2] << 16) | \
93 ((unsigned)((const uint8_t*)(x))[1] << 8) | \
94 (unsigned)((const uint8_t*)(x))[0])
95
96/**
97 * Write a 8 bits integer to memory.
98 * @param p a pointer to the output memory
99 * @param x the input integer
100 */
101#define W8(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); } while(0)
102
103/**
104 * Write a 16 bits integer to memory stored as big endian.
105 * @param p a pointer to the output memory
106 * @param x the input integer
107 */
108#define WB16(p, x) do { ((uint8_t*)(p))[1] = (uint8_t) (x); \
109 ((uint8_t*)(p))[0] = (uint8_t)((x)>>8); } while(0)
110
111/**
112 * Write a 16 bits integer to memory stored as little endian.
113 * @param p a pointer to the output memory
114 * @param x the input integer
115 */
116#define WL16(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); \
117 ((uint8_t*)(p))[1] = (uint8_t)((x)>>8); } while(0)
118
119/**
120 * Write a 32 bits integer to memory stored as big endian.
121 * @param p a pointer to the output memory
122 * @param x the input integer
123 */
124#define WB32(p, x) do { ((uint8_t*)(p))[3] = (uint8_t) (x); \
125 ((uint8_t*)(p))[2] = (uint8_t)((x)>>8); \
126 ((uint8_t*)(p))[1] = (uint8_t)((x)>>16); \
127 ((uint8_t*)(p))[0] = (uint8_t)((x)>>24); } while(0)
128
129/**
130 * Write a 32 bits integer to memory stored as little endian.
131 * @param p a pointer to the output memory
132 * @param x the input integer
133 */
134#define WL32(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); \
135 ((uint8_t*)(p))[1] = (uint8_t)((x)>>8); \
136 ((uint8_t*)(p))[2] = (uint8_t)((x)>>16); \
137 ((uint8_t*)(p))[3] = (uint8_t)((x)>>24); } while(0)
138
139/* Portability fixes for FreeBSD. */
140#ifdef __FreeBSD__
141#define LIBUSB_CLASS_APPLICATION 0xfe
142#define libusb_handle_events_timeout_completed(ctx, tv, c) \
143 libusb_handle_events_timeout(ctx, tv)
144#endif
145
146struct sr_context {
147#ifdef HAVE_LIBUSB_1_0
148 libusb_context *libusb_ctx;
149 gboolean usb_source_present;
150#ifdef _WIN32
151 GThread *usb_thread;
152 gboolean usb_thread_running;
153 GMutex usb_mutex;
154 HANDLE usb_event;
155 GPollFD usb_pollfd;
156 sr_receive_data_callback usb_cb;
157 void *usb_cb_data;
158#endif
159#endif
160};
161
162#ifdef HAVE_LIBUSB_1_0
163/** USB device instance */
164struct sr_usb_dev_inst {
165 /** USB bus */
166 uint8_t bus;
167 /** Device address on USB bus */
168 uint8_t address;
169 /** libusb device handle */
170 struct libusb_device_handle *devhdl;
171};
172#endif
173
174#ifdef HAVE_LIBSERIALPORT
175#define SERIAL_PARITY_NONE SP_PARITY_NONE
176#define SERIAL_PARITY_EVEN SP_PARITY_EVEN
177#define SERIAL_PARITY_ODD SP_PARITY_ODD
178struct sr_serial_dev_inst {
179 /** Port name, e.g. '/dev/tty42'. */
180 char *port;
181 /** Comm params for serial_set_paramstr(). */
182 char *serialcomm;
183 /** Port is non-blocking. */
184 int nonblocking;
185 /** libserialport port handle */
186 struct sp_port *data;
187 /** libserialport event set */
188 struct sp_event_set *event_set;
189 /** GPollFDs for event polling */
190 GPollFD *pollfds;
191};
192#endif
193
194struct sr_usbtmc_dev_inst {
195 char *device;
196 int fd;
197};
198
199/* Private driver context. */
200struct drv_context {
201 /** sigrok context */
202 struct sr_context *sr_ctx;
203 GSList *instances;
204};
205
206/*--- log.c -----------------------------------------------------------------*/
207
208SR_PRIV int sr_log(int loglevel, const char *format, ...);
209SR_PRIV int sr_spew(const char *format, ...);
210SR_PRIV int sr_dbg(const char *format, ...);
211SR_PRIV int sr_info(const char *format, ...);
212SR_PRIV int sr_warn(const char *format, ...);
213SR_PRIV int sr_err(const char *format, ...);
214
215/* Message logging helpers with subsystem-specific prefix string. */
216#ifndef NO_LOG_WRAPPERS
217#define sr_log(l, s, args...) sr_log(l, "%s: " s, LOG_PREFIX, ## args)
218#define sr_spew(s, args...) sr_spew("%s: " s, LOG_PREFIX, ## args)
219#define sr_dbg(s, args...) sr_dbg("%s: " s, LOG_PREFIX, ## args)
220#define sr_info(s, args...) sr_info("%s: " s, LOG_PREFIX, ## args)
221#define sr_warn(s, args...) sr_warn("%s: " s, LOG_PREFIX, ## args)
222#define sr_err(s, args...) sr_err("%s: " s, LOG_PREFIX, ## args)
223#endif
224
225/*--- device.c --------------------------------------------------------------*/
226
227/** Values for the changes argument of sr_dev_driver.config_channel_set. */
228enum {
229 /** The enabled state of the channel has been changed. */
230 SR_CHANNEL_SET_ENABLED = 1 << 0,
231};
232
233SR_PRIV struct sr_channel *sr_channel_new(int index, int type,
234 gboolean enabled, const char *name);
235
236/* Generic device instances */
237SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
238 const char *vendor, const char *model, const char *version);
239SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
240
241#ifdef HAVE_LIBUSB_1_0
242/* USB-specific instances */
243SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
244 uint8_t address, struct libusb_device_handle *hdl);
245SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb);
246#endif
247
248#ifdef HAVE_LIBSERIALPORT
249/* Serial-specific instances */
250SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
251 const char *serialcomm);
252SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial);
253#endif
254
255/* USBTMC-specific instances */
256SR_PRIV struct sr_usbtmc_dev_inst *sr_usbtmc_dev_inst_new(const char *device);
257SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc);
258
259/*--- hwdriver.c ------------------------------------------------------------*/
260
261SR_PRIV void sr_hw_cleanup_all(void);
262SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data);
263SR_PRIV void sr_config_free(struct sr_config *src);
264SR_PRIV int sr_source_remove(int fd);
265SR_PRIV int sr_source_add(int fd, int events, int timeout,
266 sr_receive_data_callback cb, void *cb_data);
267
268/*--- session.c -------------------------------------------------------------*/
269
270struct sr_session {
271 /** List of struct sr_dev pointers. */
272 GSList *devs;
273 /** List of struct datafeed_callback pointers. */
274 GSList *datafeed_callbacks;
275 struct sr_trigger *trigger;
276 GTimeVal starttime;
277 gboolean running;
278
279 unsigned int num_sources;
280
281 /*
282 * Both "sources" and "pollfds" are of the same size and contain pairs
283 * of descriptor and callback function. We can not embed the GPollFD
284 * into the source struct since we want to be able to pass the array
285 * of all poll descriptors to g_poll().
286 */
287 struct source *sources;
288 GPollFD *pollfds;
289 int source_timeout;
290
291 /*
292 * These are our synchronization primitives for stopping the session in
293 * an async fashion. We need to make sure the session is stopped from
294 * within the session thread itself.
295 */
296 /** Mutex protecting access to abort_session. */
297 GMutex stop_mutex;
298 /** Abort current session. See sr_session_stop(). */
299 gboolean abort_session;
300};
301
302SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi,
303 const struct sr_datafeed_packet *packet);
304SR_PRIV int sr_session_stop_sync(void);
305SR_PRIV int sr_sessionfile_check(const char *filename);
306
307/*--- std.c -----------------------------------------------------------------*/
308
309typedef int (*dev_close_callback)(struct sr_dev_inst *sdi);
310typedef void (*std_dev_clear_callback)(void *priv);
311
312SR_PRIV int std_init(struct sr_context *sr_ctx, struct sr_dev_driver *di,
313 const char *prefix);
314#ifdef HAVE_LIBSERIALPORT
315SR_PRIV int std_serial_dev_open(struct sr_dev_inst *sdi);
316SR_PRIV int std_serial_dev_acquisition_stop(struct sr_dev_inst *sdi,
317 void *cb_data, dev_close_callback dev_close_fn,
318 struct sr_serial_dev_inst *serial, const char *prefix);
319#endif
320SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
321 const char *prefix);
322SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
323 std_dev_clear_callback clear_private);
324SR_PRIV int std_serial_dev_close(struct sr_dev_inst *sdi);
325
326/*--- strutil.c -------------------------------------------------------------*/
327
328SR_PRIV int sr_atol(const char *str, long *ret);
329SR_PRIV int sr_atoi(const char *str, int *ret);
330SR_PRIV int sr_atod(const char *str, double *ret);
331SR_PRIV int sr_atof(const char *str, float *ret);
332SR_PRIV int sr_atof_ascii(const char *str, float *ret);
333
334/*--- soft-trigger.c --------------------------------------------------------*/
335
336struct soft_trigger_logic {
337 const struct sr_dev_inst *sdi;
338 const struct sr_trigger *trigger;
339 int count;
340 int unitsize;
341 int cur_stage;
342 uint8_t *prev_sample;
343};
344
345SR_PRIV struct soft_trigger_logic *soft_trigger_logic_new(
346 const struct sr_dev_inst *sdi, struct sr_trigger *trigger);
347SR_PRIV void soft_trigger_logic_free(struct soft_trigger_logic *st);
348SR_PRIV int soft_trigger_logic_check(struct soft_trigger_logic *st, uint8_t *buf,
349 int len);
350
351/*--- hardware/common/serial.c ----------------------------------------------*/
352
353#ifdef HAVE_LIBSERIALPORT
354enum {
355 SERIAL_RDWR = 1,
356 SERIAL_RDONLY = 2,
357 SERIAL_NONBLOCK = 4,
358};
359
360typedef gboolean (*packet_valid_callback)(const uint8_t *buf);
361
362SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags);
363SR_PRIV int serial_close(struct sr_serial_dev_inst *serial);
364SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial);
365SR_PRIV int serial_write(struct sr_serial_dev_inst *serial,
366 const void *buf, size_t count);
367SR_PRIV int serial_write_blocking(struct sr_serial_dev_inst *serial,
368 const void *buf, size_t count);
369SR_PRIV int serial_write_nonblocking(struct sr_serial_dev_inst *serial,
370 const void *buf, size_t count);
371SR_PRIV int serial_read(struct sr_serial_dev_inst *serial, void *buf,
372 size_t count);
373SR_PRIV int serial_read_blocking(struct sr_serial_dev_inst *serial, void *buf,
374 size_t count);
375SR_PRIV int serial_read_nonblocking(struct sr_serial_dev_inst *serial, void *buf,
376 size_t count);
377SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
378 int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
379SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
380 const char *paramstr);
381SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
382 int *buflen, gint64 timeout_ms);
383SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
384 uint8_t *buf, size_t *buflen,
385 size_t packet_size,
386 packet_valid_callback is_valid,
387 uint64_t timeout_ms, int baudrate);
388SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device,
389 const char **serial_options);
390SR_PRIV int serial_source_add(struct sr_serial_dev_inst *serial, int events,
391 int timeout, sr_receive_data_callback cb, void *cb_data);
392SR_PRIV int serial_source_remove(struct sr_serial_dev_inst *serial);
393SR_PRIV GSList *sr_serial_find_usb(uint16_t vendor_id, uint16_t product_id);
394#endif
395
396/*--- hardware/common/ezusb.c -----------------------------------------------*/
397
398#ifdef HAVE_LIBUSB_1_0
399SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
400SR_PRIV int ezusb_install_firmware(libusb_device_handle *hdl,
401 const char *filename);
402SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration,
403 const char *filename);
404#endif
405
406/*--- hardware/common/usb.c -------------------------------------------------*/
407
408#ifdef HAVE_LIBUSB_1_0
409SR_PRIV GSList *sr_usb_find(libusb_context *usb_ctx, const char *conn);
410SR_PRIV int sr_usb_open(libusb_context *usb_ctx, struct sr_usb_dev_inst *usb);
411SR_PRIV int usb_source_add(struct sr_context *ctx, int timeout,
412 sr_receive_data_callback cb, void *cb_data);
413SR_PRIV int usb_source_remove(struct sr_context *ctx);
414#endif
415
416/*--- hardware/common/scpi.c ------------------------------------------------*/
417
418#define SCPI_CMD_IDN "*IDN?"
419#define SCPI_CMD_OPC "*OPC?"
420
421enum {
422 SCPI_CMD_SET_TRIGGER_SOURCE,
423 SCPI_CMD_SET_TIMEBASE,
424 SCPI_CMD_SET_VERTICAL_DIV,
425 SCPI_CMD_SET_TRIGGER_SLOPE,
426 SCPI_CMD_SET_COUPLING,
427 SCPI_CMD_SET_HORIZ_TRIGGERPOS,
428 SCPI_CMD_GET_ANALOG_CHAN_STATE,
429 SCPI_CMD_GET_DIG_CHAN_STATE,
430 SCPI_CMD_GET_TIMEBASE,
431 SCPI_CMD_GET_VERTICAL_DIV,
432 SCPI_CMD_GET_VERTICAL_OFFSET,
433 SCPI_CMD_GET_TRIGGER_SOURCE,
434 SCPI_CMD_GET_HORIZ_TRIGGERPOS,
435 SCPI_CMD_GET_TRIGGER_SLOPE,
436 SCPI_CMD_GET_COUPLING,
437 SCPI_CMD_SET_ANALOG_CHAN_STATE,
438 SCPI_CMD_SET_DIG_CHAN_STATE,
439 SCPI_CMD_GET_DIG_POD_STATE,
440 SCPI_CMD_SET_DIG_POD_STATE,
441 SCPI_CMD_GET_ANALOG_DATA,
442 SCPI_CMD_GET_DIG_DATA,
443 SCPI_CMD_GET_SAMPLE_RATE,
444 SCPI_CMD_GET_SAMPLE_RATE_LIVE,
445};
446
447struct sr_scpi_hw_info {
448 char *manufacturer;
449 char *model;
450 char *serial_number;
451 char *firmware_version;
452};
453
454struct sr_scpi_dev_inst {
455 const char *name;
456 const char *prefix;
457 int priv_size;
458 GSList *(*scan)(struct drv_context *drvc);
459 int (*dev_inst_new)(void *priv, struct drv_context *drvc,
460 const char *resource, char **params, const char *serialcomm);
461 int (*open)(void *priv);
462 int (*source_add)(void *priv, int events,
463 int timeout, sr_receive_data_callback cb, void *cb_data);
464 int (*source_remove)(void *priv);
465 int (*send)(void *priv, const char *command);
466 int (*read_begin)(void *priv);
467 int (*read_data)(void *priv, char *buf, int maxlen);
468 int (*read_complete)(void *priv);
469 int (*close)(void *priv);
470 void (*free)(void *priv);
471 void *priv;
472};
473
474SR_PRIV GSList *sr_scpi_scan(struct drv_context *drvc, GSList *options,
475 struct sr_dev_inst *(*probe_device)(struct sr_scpi_dev_inst *scpi));
476SR_PRIV struct sr_scpi_dev_inst *scpi_dev_inst_new(struct drv_context *drvc,
477 const char *resource, const char *serialcomm);
478SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi);
479SR_PRIV int sr_scpi_source_add(struct sr_scpi_dev_inst *scpi, int events,
480 int timeout, sr_receive_data_callback cb, void *cb_data);
481SR_PRIV int sr_scpi_source_remove(struct sr_scpi_dev_inst *scpi);
482SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi,
483 const char *format, ...);
484SR_PRIV int sr_scpi_send_variadic(struct sr_scpi_dev_inst *scpi,
485 const char *format, va_list args);
486SR_PRIV int sr_scpi_read_begin(struct sr_scpi_dev_inst *scpi);
487SR_PRIV int sr_scpi_read_data(struct sr_scpi_dev_inst *scpi, char *buf, int maxlen);
488SR_PRIV int sr_scpi_read_complete(struct sr_scpi_dev_inst *scpi);
489SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi);
490SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi);
491
492SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
493 const char *command, char **scpi_response);
494SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi,
495 const char *command, gboolean *scpi_response);
496SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi,
497 const char *command, int *scpi_response);
498SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi,
499 const char *command, float *scpi_response);
500SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi,
501 const char *command, double *scpi_response);
502SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi);
503SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
504 const char *command, GArray **scpi_response);
505SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
506 const char *command, GArray **scpi_response);
507SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
508 struct sr_scpi_hw_info **scpi_response);
509SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info);
510
511/*--- hardware/common/dmm/es519xx.c -----------------------------------------*/
512
513/**
514 * All 11-byte es519xx chips repeat each block twice for each conversion cycle
515 * so always read 2 blocks at a time.
516 */
517#define ES519XX_11B_PACKET_SIZE (11 * 2)
518#define ES519XX_14B_PACKET_SIZE 14
519
520struct es519xx_info {
521 gboolean is_judge, is_voltage, is_auto, is_micro, is_current;
522 gboolean is_milli, is_resistance, is_continuity, is_diode;
523 gboolean is_frequency, is_rpm, is_capacitance, is_duty_cycle;
524 gboolean is_temperature, is_celsius, is_fahrenheit;
525 gboolean is_adp0, is_adp1, is_adp2, is_adp3;
526 gboolean is_sign, is_batt, is_ol, is_pmax, is_pmin, is_apo;
527 gboolean is_dc, is_ac, is_vahz, is_min, is_max, is_rel, is_hold;
528 gboolean is_digit4, is_ul, is_vasel, is_vbar, is_lpf1, is_lpf0, is_rmr;
529 uint32_t baudrate;
530 int packet_size;
531 gboolean alt_functions, fivedigits, clampmeter, selectable_lpf;
532};
533
534SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf);
535SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval,
536 struct sr_datafeed_analog *analog, void *info);
537SR_PRIV gboolean sr_es519xx_2400_11b_altfn_packet_valid(const uint8_t *buf);
538SR_PRIV int sr_es519xx_2400_11b_altfn_parse(const uint8_t *buf,
539 float *floatval, struct sr_datafeed_analog *analog, void *info);
540SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf);
541SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf,
542 float *floatval, struct sr_datafeed_analog *analog, void *info);
543SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf);
544SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf,
545 float *floatval, struct sr_datafeed_analog *analog, void *info);
546SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf);
547SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval,
548 struct sr_datafeed_analog *analog, void *info);
549SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf);
550SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval,
551 struct sr_datafeed_analog *analog, void *info);
552SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf);
553SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf,
554 float *floatval, struct sr_datafeed_analog *analog, void *info);
555
556/*--- hardware/common/dmm/fs9922.c ------------------------------------------*/
557
558#define FS9922_PACKET_SIZE 14
559
560struct fs9922_info {
561 gboolean is_auto, is_dc, is_ac, is_rel, is_hold, is_bpn, is_z1, is_z2;
562 gboolean is_max, is_min, is_apo, is_bat, is_nano, is_z3, is_micro;
563 gboolean is_milli, is_kilo, is_mega, is_beep, is_diode, is_percent;
564 gboolean is_z4, is_volt, is_ampere, is_ohm, is_hfe, is_hertz, is_farad;
565 gboolean is_celsius, is_fahrenheit;
566 int bargraph_sign, bargraph_value;
567};
568
569SR_PRIV gboolean sr_fs9922_packet_valid(const uint8_t *buf);
570SR_PRIV int sr_fs9922_parse(const uint8_t *buf, float *floatval,
571 struct sr_datafeed_analog *analog, void *info);
572SR_PRIV void sr_fs9922_z1_diode(struct sr_datafeed_analog *analog, void *info);
573
574/*--- hardware/common/dmm/fs9721.c ------------------------------------------*/
575
576#define FS9721_PACKET_SIZE 14
577
578struct fs9721_info {
579 gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
580 gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
581 gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
582 gboolean is_c2c1_11, is_c2c1_10, is_c2c1_01, is_c2c1_00, is_sign;
583};
584
585SR_PRIV gboolean sr_fs9721_packet_valid(const uint8_t *buf);
586SR_PRIV int sr_fs9721_parse(const uint8_t *buf, float *floatval,
587 struct sr_datafeed_analog *analog, void *info);
588SR_PRIV void sr_fs9721_00_temp_c(struct sr_datafeed_analog *analog, void *info);
589SR_PRIV void sr_fs9721_01_temp_c(struct sr_datafeed_analog *analog, void *info);
590SR_PRIV void sr_fs9721_10_temp_c(struct sr_datafeed_analog *analog, void *info);
591SR_PRIV void sr_fs9721_01_10_temp_f_c(struct sr_datafeed_analog *analog, void *info);
592SR_PRIV void sr_fs9721_max_c_min(struct sr_datafeed_analog *analog, void *info);
593
594/*--- hardware/common/dmm/m2110.c -----------------------------------------*/
595
596#define BBCGM_M2110_PACKET_SIZE 9
597
598SR_PRIV gboolean sr_m2110_packet_valid(const uint8_t *buf);
599SR_PRIV int sr_m2110_parse(const uint8_t *buf, float *floatval,
600 struct sr_datafeed_analog *analog, void *info);
601
602/*--- hardware/common/dmm/metex14.c -----------------------------------------*/
603
604#define METEX14_PACKET_SIZE 14
605
606struct metex14_info {
607 gboolean is_ac, is_dc, is_resistance, is_capacity, is_temperature;
608 gboolean is_diode, is_frequency, is_ampere, is_volt, is_farad;
609 gboolean is_hertz, is_ohm, is_celsius, is_pico, is_nano, is_micro;
610 gboolean is_milli, is_kilo, is_mega, is_gain, is_decibel, is_hfe;
611 gboolean is_unitless, is_logic;
612};
613
614#ifdef HAVE_LIBSERIALPORT
615SR_PRIV int sr_metex14_packet_request(struct sr_serial_dev_inst *serial);
616#endif
617SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf);
618SR_PRIV int sr_metex14_parse(const uint8_t *buf, float *floatval,
619 struct sr_datafeed_analog *analog, void *info);
620
621/*--- hardware/common/dmm/rs9lcd.c ------------------------------------------*/
622
623#define RS9LCD_PACKET_SIZE 9
624
625/* Dummy info struct. The parser does not use it. */
626struct rs9lcd_info { int dummy; };
627
628SR_PRIV gboolean sr_rs9lcd_packet_valid(const uint8_t *buf);
629SR_PRIV int sr_rs9lcd_parse(const uint8_t *buf, float *floatval,
630 struct sr_datafeed_analog *analog, void *info);
631
632#endif
Hardware access and backend lib