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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 16 bits big endian integer out of memory.
55 * @param x a pointer to the input memory
56 * @return the corresponding integer
57 */
58#define RB16(x) ((((const uint8_t*)(x))[0] << 8) | \
59 ((const uint8_t*)(x))[1])
60
61/**
62 * Read a 16 bits little endian integer out of memory.
63 * @param x a pointer to the input memory
64 * @return the corresponding integer
65 */
66#define RL16(x) ((((const uint8_t*)(x))[1] << 8) | \
67 ((const uint8_t*)(x))[0])
68
69/**
70 * Read a 32 bits big endian integer out of memory.
71 * @param x a pointer to the input memory
72 * @return the corresponding integer
73 */
74#define RB32(x) ((((const uint8_t*)(x))[0] << 24) | \
75 (((const uint8_t*)(x))[1] << 16) | \
76 (((const uint8_t*)(x))[2] << 8) | \
77 ((const uint8_t*)(x))[3])
78
79/**
80 * Read a 32 bits little endian integer out of memory.
81 * @param x a pointer to the input memory
82 * @return the corresponding integer
83 */
84#define RL32(x) ((((const uint8_t*)(x))[3] << 24) | \
85 (((const uint8_t*)(x))[2] << 16) | \
86 (((const uint8_t*)(x))[1] << 8) | \
87 ((const uint8_t*)(x))[0])
88
89/* Portability fixes for FreeBSD. */
90#ifdef __FreeBSD__
91#define LIBUSB_CLASS_APPLICATION 0xfe
92#define libusb_handle_events_timeout_completed(ctx, tv, c) \
93 libusb_handle_events_timeout(ctx, tv)
94#endif
95
96struct sr_context {
97#ifdef HAVE_LIBUSB_1_0
98 libusb_context *libusb_ctx;
99 gboolean usb_source_present;
100#ifdef _WIN32
101 GThread *usb_thread;
102 gboolean usb_thread_running;
103 GMutex usb_mutex;
104 HANDLE usb_event;
105 GPollFD usb_pollfd;
106 sr_receive_data_callback_t usb_cb;
107 void *usb_cb_data;
108#endif
109#endif
110};
111
112#ifdef HAVE_LIBUSB_1_0
113/** USB device instance */
114struct sr_usb_dev_inst {
115 /** USB bus */
116 uint8_t bus;
117 /** Device address on USB bus */
118 uint8_t address;
119 /** libusb device handle */
120 struct libusb_device_handle *devhdl;
121};
122#endif
123
124#ifdef HAVE_LIBSERIALPORT
125#define SERIAL_PARITY_NONE SP_PARITY_NONE
126#define SERIAL_PARITY_EVEN SP_PARITY_EVEN
127#define SERIAL_PARITY_ODD SP_PARITY_ODD
128struct sr_serial_dev_inst {
129 /** Port name, e.g. '/dev/tty42'. */
130 char *port;
131 /** Comm params for serial_set_paramstr(). */
132 char *serialcomm;
133 /** Port is non-blocking. */
134 int nonblocking;
135 /** libserialport port handle */
136 struct sp_port *data;
137 /** libserialport event set */
138 struct sp_event_set *event_set;
139 /** GPollFDs for event polling */
140 GPollFD *pollfds;
141};
142#endif
143
144struct sr_usbtmc_dev_inst {
145 char *device;
146 int fd;
147};
148
149/* Private driver context. */
150struct drv_context {
151 /** sigrok context */
152 struct sr_context *sr_ctx;
153 GSList *instances;
154};
155
156/*--- log.c -----------------------------------------------------------------*/
157
158SR_PRIV int sr_log(int loglevel, const char *format, ...);
159SR_PRIV int sr_spew(const char *format, ...);
160SR_PRIV int sr_dbg(const char *format, ...);
161SR_PRIV int sr_info(const char *format, ...);
162SR_PRIV int sr_warn(const char *format, ...);
163SR_PRIV int sr_err(const char *format, ...);
164
165/*--- device.c --------------------------------------------------------------*/
166
167SR_PRIV struct sr_probe *sr_probe_new(int index, int type,
168 gboolean enabled, const char *name);
169
170/* Generic device instances */
171SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
172 const char *vendor, const char *model, const char *version);
173SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
174
175#ifdef HAVE_LIBUSB_1_0
176/* USB-specific instances */
177SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
178 uint8_t address, struct libusb_device_handle *hdl);
179SR_PRIV GSList *sr_usb_find_usbtmc(libusb_context *usb_ctx);
180SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb);
181#endif
182
183#ifdef HAVE_LIBSERIALPORT
184/* Serial-specific instances */
185SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
186 const char *serialcomm);
187SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial);
188#endif
189
190/* USBTMC-specific instances */
191SR_PRIV struct sr_usbtmc_dev_inst *sr_usbtmc_dev_inst_new(const char *device);
192SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc);
193
194/*--- hwdriver.c ------------------------------------------------------------*/
195
196SR_PRIV void sr_hw_cleanup_all(void);
197SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data);
198SR_PRIV void sr_config_free(struct sr_config *src);
199SR_PRIV int sr_source_remove(int fd);
200SR_PRIV int sr_source_add(int fd, int events, int timeout,
201 sr_receive_data_callback_t cb, void *cb_data);
202
203/*--- session.c -------------------------------------------------------------*/
204
205struct sr_session {
206 /** List of struct sr_dev pointers. */
207 GSList *devs;
208 /** List of struct datafeed_callback pointers. */
209 GSList *datafeed_callbacks;
210 GTimeVal starttime;
211 gboolean running;
212
213 unsigned int num_sources;
214
215 /*
216 * Both "sources" and "pollfds" are of the same size and contain pairs
217 * of descriptor and callback function. We can not embed the GPollFD
218 * into the source struct since we want to be able to pass the array
219 * of all poll descriptors to g_poll().
220 */
221 struct source *sources;
222 GPollFD *pollfds;
223 int source_timeout;
224
225 /*
226 * These are our synchronization primitives for stopping the session in
227 * an async fashion. We need to make sure the session is stopped from
228 * within the session thread itself.
229 */
230 /** Mutex protecting access to abort_session. */
231 GMutex stop_mutex;
232 /** Abort current session. See sr_session_stop(). */
233 gboolean abort_session;
234};
235
236SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi,
237 const struct sr_datafeed_packet *packet);
238SR_PRIV int sr_session_stop_sync(void);
239SR_PRIV int sr_sessionfile_check(const char *filename);
240
241/*--- std.c -----------------------------------------------------------------*/
242
243typedef int (*dev_close_t)(struct sr_dev_inst *sdi);
244typedef void (*std_dev_clear_t)(void *priv);
245
246SR_PRIV int std_init(struct sr_context *sr_ctx, struct sr_dev_driver *di,
247 const char *prefix);
248#ifdef HAVE_LIBSERIALPORT
249SR_PRIV int std_serial_dev_open(struct sr_dev_inst *sdi);
250SR_PRIV int std_serial_dev_acquisition_stop(struct sr_dev_inst *sdi,
251 void *cb_data, dev_close_t dev_close_fn,
252 struct sr_serial_dev_inst *serial, const char *prefix);
253#endif
254SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
255 const char *prefix);
256SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
257 std_dev_clear_t clear_private);
258SR_PRIV int std_serial_dev_close(struct sr_dev_inst *sdi);
259
260/*--- strutil.c -------------------------------------------------------------*/
261
262SR_PRIV int sr_atol(const char *str, long *ret);
263SR_PRIV int sr_atoi(const char *str, int *ret);
264SR_PRIV int sr_atod(const char *str, double *ret);
265SR_PRIV int sr_atof(const char *str, float *ret);
266
267/*--- hardware/common/serial.c ----------------------------------------------*/
268
269#ifdef HAVE_LIBSERIALPORT
270enum {
271 SERIAL_RDWR = 1,
272 SERIAL_RDONLY = 2,
273 SERIAL_NONBLOCK = 4,
274};
275
276typedef gboolean (*packet_valid_t)(const uint8_t *buf);
277
278SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags);
279SR_PRIV int serial_close(struct sr_serial_dev_inst *serial);
280SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial);
281SR_PRIV int serial_write(struct sr_serial_dev_inst *serial,
282 const void *buf, size_t count);
283SR_PRIV int serial_read(struct sr_serial_dev_inst *serial, void *buf,
284 size_t count);
285SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
286 int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
287SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
288 const char *paramstr);
289SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
290 int *buflen, gint64 timeout_ms);
291SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
292 uint8_t *buf, size_t *buflen,
293 size_t packet_size, packet_valid_t is_valid,
294 uint64_t timeout_ms, int baudrate);
295SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device,
296 const char **serial_options);
297SR_PRIV int serial_source_add(struct sr_serial_dev_inst *serial, int events,
298 int timeout, sr_receive_data_callback_t cb, void *cb_data);
299SR_PRIV int serial_source_remove(struct sr_serial_dev_inst *serial);
300#endif
301
302/*--- hardware/common/ezusb.c -----------------------------------------------*/
303
304#ifdef HAVE_LIBUSB_1_0
305SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
306SR_PRIV int ezusb_install_firmware(libusb_device_handle *hdl,
307 const char *filename);
308SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration,
309 const char *filename);
310#endif
311
312/*--- hardware/common/usb.c -------------------------------------------------*/
313
314#ifdef HAVE_LIBUSB_1_0
315SR_PRIV GSList *sr_usb_find(libusb_context *usb_ctx, const char *conn);
316SR_PRIV int sr_usb_open(libusb_context *usb_ctx, struct sr_usb_dev_inst *usb);
317SR_PRIV int usb_source_add(struct sr_context *ctx, int timeout,
318 sr_receive_data_callback_t cb, void *cb_data);
319SR_PRIV int usb_source_remove(struct sr_context *ctx);
320#endif
321
322/*--- hardware/common/scpi.c ------------------------------------------------*/
323
324#define SCPI_CMD_IDN "*IDN?"
325#define SCPI_CMD_OPC "*OPC?"
326
327enum {
328 SCPI_CMD_SET_TRIGGER_SOURCE,
329 SCPI_CMD_SET_TIMEBASE,
330 SCPI_CMD_SET_VERTICAL_DIV,
331 SCPI_CMD_SET_TRIGGER_SLOPE,
332 SCPI_CMD_SET_COUPLING,
333 SCPI_CMD_SET_HORIZ_TRIGGERPOS,
334 SCPI_CMD_GET_ANALOG_CHAN_STATE,
335 SCPI_CMD_GET_DIG_CHAN_STATE,
336 SCPI_CMD_GET_TIMEBASE,
337 SCPI_CMD_GET_VERTICAL_DIV,
338 SCPI_CMD_GET_VERTICAL_OFFSET,
339 SCPI_CMD_GET_TRIGGER_SOURCE,
340 SCPI_CMD_GET_HORIZ_TRIGGERPOS,
341 SCPI_CMD_GET_TRIGGER_SLOPE,
342 SCPI_CMD_GET_COUPLING,
343 SCPI_CMD_SET_ANALOG_CHAN_STATE,
344 SCPI_CMD_SET_DIG_CHAN_STATE,
345 SCPI_CMD_GET_DIG_POD_STATE,
346 SCPI_CMD_SET_DIG_POD_STATE,
347 SCPI_CMD_GET_ANALOG_DATA,
348 SCPI_CMD_GET_DIG_DATA,
349};
350
351struct sr_scpi_hw_info {
352 char *manufacturer;
353 char *model;
354 char *serial_number;
355 char *firmware_version;
356};
357
358struct sr_scpi_dev_inst {
359 int (*open)(void *priv);
360 int (*source_add)(void *priv, int events,
361 int timeout, sr_receive_data_callback_t cb, void *cb_data);
362 int (*source_remove)(void *priv);
363 int (*send)(void *priv, const char *command);
364 int (*receive)(void *priv, char **scpi_response);
365 int (*read)(void *priv, char *buf, int maxlen);
366 int (*close)(void *priv);
367 void (*free)(void *priv);
368 void *priv;
369};
370
371SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi);
372SR_PRIV int sr_scpi_source_add(struct sr_scpi_dev_inst *scpi, int events,
373 int timeout, sr_receive_data_callback_t cb, void *cb_data);
374SR_PRIV int sr_scpi_source_remove(struct sr_scpi_dev_inst *scpi);
375SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi,
376 const char *format, ...);
377SR_PRIV int sr_scpi_send_variadic(struct sr_scpi_dev_inst *scpi,
378 const char *format, va_list args);
379SR_PRIV int sr_scpi_receive(struct sr_scpi_dev_inst *scpi,
380 char **scpi_response);
381SR_PRIV int sr_scpi_read(struct sr_scpi_dev_inst *scpi, char *buf, int maxlen);
382SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi);
383SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi);
384
385SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
386 const char *command, char **scpi_response);
387SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi,
388 const char *command, gboolean *scpi_response);
389SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi,
390 const char *command, int *scpi_response);
391SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi,
392 const char *command, float *scpi_response);
393SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi,
394 const char *command, double *scpi_response);
395SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi);
396SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
397 const char *command, GArray **scpi_response);
398SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
399 const char *command, GArray **scpi_response);
400SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
401 struct sr_scpi_hw_info **scpi_response);
402SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info);
403
404/*--- hardware/common/scpi_serial.c -----------------------------------------*/
405
406#ifdef HAVE_LIBSERIALPORT
407SR_PRIV struct sr_scpi_dev_inst *scpi_serial_dev_inst_new(const char *port,
408 const char *serialcomm);
409#endif
410
411/*--- hardware/common/scpi_tcp.c --------------------------------------------*/
412
413SR_PRIV struct sr_scpi_dev_inst *scpi_tcp_dev_inst_new(const char *address,
414 const char *port);
415
416/*--- hardware/common/scpi_usbtmc.c -----------------------------------------*/
417
418SR_PRIV struct sr_scpi_dev_inst *scpi_usbtmc_dev_inst_new(const char *device);
419
420/*--- hardware/common/dmm/es51922.c -----------------------------------------*/
421
422#define ES51922_PACKET_SIZE 14
423
424struct es51922_info {
425 gboolean is_judge, is_vbar, is_voltage, is_auto, is_micro, is_current;
426 gboolean is_milli, is_resistance, is_continuity, is_diode, is_lpf;
427 gboolean is_frequency, is_duty_cycle, is_capacitance, is_temperature;
428 gboolean is_celsius, is_fahrenheit, is_adp, is_sign, is_batt, is_ol;
429 gboolean is_max, is_min, is_rel, is_rmr, is_ul, is_pmax, is_pmin;
430 gboolean is_dc, is_ac, is_vahz, is_hold, is_nano, is_kilo, is_mega;
431};
432
433SR_PRIV gboolean sr_es51922_packet_valid(const uint8_t *buf);
434SR_PRIV int sr_es51922_parse(const uint8_t *buf, float *floatval,
435 struct sr_datafeed_analog *analog, void *info);
436
437/*--- hardware/common/dmm/es519xx.c -----------------------------------------*/
438
439/**
440 * All 11-byte es519xx chips repeat each block twice for each conversion cycle
441 * so always read 2 blocks at a time.
442 */
443#define ES519XX_11B_PACKET_SIZE (11 * 2)
444#define ES519XX_14B_PACKET_SIZE 14
445
446struct es519xx_info {
447 gboolean is_judge, is_voltage, is_auto, is_micro, is_current;
448 gboolean is_milli, is_resistance, is_continuity, is_diode;
449 gboolean is_frequency, is_rpm, is_capacitance, is_duty_cycle;
450 gboolean is_temperature, is_celsius, is_fahrenheit;
451 gboolean is_adp0, is_adp1, is_adp2, is_adp3;
452 gboolean is_sign, is_batt, is_ol, is_pmax, is_pmin, is_apo;
453 gboolean is_dc, is_ac, is_vahz, is_min, is_max, is_rel, is_hold;
454 gboolean is_digit4, is_ul, is_vasel, is_vbar, is_lpf1, is_lpf0, is_rmr;
455 uint32_t baudrate;
456 int packet_size;
457 gboolean alt_functions, fivedigits, clampmeter, selectable_lpf;
458};
459
460SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf);
461SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval,
462 struct sr_datafeed_analog *analog, void *info);
463SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf);
464SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf,
465 float *floatval, struct sr_datafeed_analog *analog, void *info);
466SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf);
467SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf,
468 float *floatval, struct sr_datafeed_analog *analog, void *info);
469SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf);
470SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval,
471 struct sr_datafeed_analog *analog, void *info);
472SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf);
473SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval,
474 struct sr_datafeed_analog *analog, void *info);
475SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf);
476SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf,
477 float *floatval, struct sr_datafeed_analog *analog, void *info);
478
479/*--- hardware/common/dmm/fs9922.c ------------------------------------------*/
480
481#define FS9922_PACKET_SIZE 14
482
483struct fs9922_info {
484 gboolean is_auto, is_dc, is_ac, is_rel, is_hold, is_bpn, is_z1, is_z2;
485 gboolean is_max, is_min, is_apo, is_bat, is_nano, is_z3, is_micro;
486 gboolean is_milli, is_kilo, is_mega, is_beep, is_diode, is_percent;
487 gboolean is_z4, is_volt, is_ampere, is_ohm, is_hfe, is_hertz, is_farad;
488 gboolean is_celsius, is_fahrenheit;
489 int bargraph_sign, bargraph_value;
490};
491
492SR_PRIV gboolean sr_fs9922_packet_valid(const uint8_t *buf);
493SR_PRIV int sr_fs9922_parse(const uint8_t *buf, float *floatval,
494 struct sr_datafeed_analog *analog, void *info);
495SR_PRIV void sr_fs9922_z1_diode(struct sr_datafeed_analog *analog, void *info);
496
497/*--- hardware/common/dmm/fs9721.c ------------------------------------------*/
498
499#define FS9721_PACKET_SIZE 14
500
501struct fs9721_info {
502 gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
503 gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
504 gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
505 gboolean is_c2c1_11, is_c2c1_10, is_c2c1_01, is_c2c1_00, is_sign;
506};
507
508SR_PRIV gboolean sr_fs9721_packet_valid(const uint8_t *buf);
509SR_PRIV int sr_fs9721_parse(const uint8_t *buf, float *floatval,
510 struct sr_datafeed_analog *analog, void *info);
511SR_PRIV void sr_fs9721_00_temp_c(struct sr_datafeed_analog *analog, void *info);
512SR_PRIV void sr_fs9721_01_temp_c(struct sr_datafeed_analog *analog, void *info);
513SR_PRIV void sr_fs9721_10_temp_c(struct sr_datafeed_analog *analog, void *info);
514SR_PRIV void sr_fs9721_01_10_temp_f_c(struct sr_datafeed_analog *analog, void *info);
515
516/*--- hardware/common/dmm/m2110.c -----------------------------------------*/
517
518#define BBCGM_M2110_PACKET_SIZE 9
519
520SR_PRIV gboolean sr_m2110_packet_valid(const uint8_t *buf);
521SR_PRIV int sr_m2110_parse(const uint8_t *buf, float *floatval,
522 struct sr_datafeed_analog *analog, void *info);
523
524/*--- hardware/common/dmm/metex14.c -----------------------------------------*/
525
526#define METEX14_PACKET_SIZE 14
527
528struct metex14_info {
529 gboolean is_ac, is_dc, is_resistance, is_capacity, is_temperature;
530 gboolean is_diode, is_frequency, is_ampere, is_volt, is_farad;
531 gboolean is_hertz, is_ohm, is_celsius, is_pico, is_nano, is_micro;
532 gboolean is_milli, is_kilo, is_mega, is_gain, is_decibel, is_hfe;
533 gboolean is_unitless;
534};
535
536#ifdef HAVE_LIBSERIALPORT
537SR_PRIV int sr_metex14_packet_request(struct sr_serial_dev_inst *serial);
538#endif
539SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf);
540SR_PRIV int sr_metex14_parse(const uint8_t *buf, float *floatval,
541 struct sr_datafeed_analog *analog, void *info);
542
543/*--- hardware/common/dmm/rs9lcd.c ------------------------------------------*/
544
545#define RS9LCD_PACKET_SIZE 9
546
547/* Dummy info struct. The parser does not use it. */
548struct rs9lcd_info { int dummy; };
549
550SR_PRIV gboolean sr_rs9lcd_packet_valid(const uint8_t *buf);
551SR_PRIV int sr_rs9lcd_parse(const uint8_t *buf, float *floatval,
552 struct sr_datafeed_analog *analog, void *info);
553
554#endif