]> sigrok.org Git - libsigrok.git/blame - libsigrok-internal.h
Make SCPI functions device independent, with separate serial backend.
[libsigrok.git] / libsigrok-internal.h
CommitLineData
1483577e 1/*
50985c20 2 * This file is part of the libsigrok project.
1483577e 3 *
13d8e03c 4 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
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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
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20#ifndef LIBSIGROK_SIGROK_INTERNAL_H
21#define LIBSIGROK_SIGROK_INTERNAL_H
1483577e 22
b08024a8 23#include <stdarg.h>
cc8a7d25 24#include <glib.h>
1a081ca6 25#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
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26#ifdef HAVE_LIBUSB_1_0
27#include <libusb.h>
28#endif
c4f2dfd0 29#ifdef HAVE_LIBSERIALPORT
dc991353 30#include <libserialport.h>
c4f2dfd0 31#endif
b08024a8 32
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33/**
34 * @file
35 *
36 * libsigrok private header file, only to be used internally.
37 */
38
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39/*--- Macros ----------------------------------------------------------------*/
40
41#ifndef ARRAY_SIZE
42#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
43#endif
44
45#ifndef ARRAY_AND_SIZE
46#define ARRAY_AND_SIZE(a) (a), ARRAY_SIZE(a)
47#endif
48
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49/* Portability fixes for FreeBSD. */
50#ifdef __FreeBSD__
51#define LIBUSB_CLASS_APPLICATION 0xfe
52#define libusb_handle_events_timeout_completed(ctx, tv, c) \
53 libusb_handle_events_timeout(ctx, tv)
54#endif
55
b8072700 56struct sr_context {
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57#ifdef HAVE_LIBUSB_1_0
58 libusb_context *libusb_ctx;
59#endif
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60};
61
69890f73 62#ifdef HAVE_LIBUSB_1_0
d68e2d1a 63struct sr_usb_dev_inst {
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64 uint8_t bus;
65 uint8_t address;
66 struct libusb_device_handle *devhdl;
67};
68#endif
69
c4f2dfd0 70#ifdef HAVE_LIBSERIALPORT
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71#define SERIAL_PARITY_NONE SP_PARITY_NONE
72#define SERIAL_PARITY_EVEN SP_PARITY_EVEN
73#define SERIAL_PARITY_ODD SP_PARITY_ODD
d68e2d1a 74struct sr_serial_dev_inst {
69890f73 75 char *port;
299bdb24 76 char *serialcomm;
69890f73 77 int fd;
9647ce69 78 int nonblocking;
c9bc57b6 79 struct sp_port *data;
69890f73 80};
c4f2dfd0 81#endif
69890f73 82
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83struct sr_usbtmc_dev_inst {
84 char *device;
85 int fd;
86};
87
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88/* Private driver context. */
89struct drv_context {
1ebe4b4e 90 struct sr_context *sr_ctx;
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91 GSList *instances;
92};
93
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94/*--- log.c -----------------------------------------------------------------*/
95
96SR_PRIV int sr_log(int loglevel, const char *format, ...);
97SR_PRIV int sr_spew(const char *format, ...);
98SR_PRIV int sr_dbg(const char *format, ...);
99SR_PRIV int sr_info(const char *format, ...);
100SR_PRIV int sr_warn(const char *format, ...);
101SR_PRIV int sr_err(const char *format, ...);
102
103/*--- device.c --------------------------------------------------------------*/
104
105SR_PRIV struct sr_probe *sr_probe_new(int index, int type,
106 gboolean enabled, const char *name);
107
108/* Generic device instances */
109SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
110 const char *vendor, const char *model, const char *version);
111SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
48a486cd 112
545f9786 113#ifdef HAVE_LIBUSB_1_0
69890f73 114/* USB-specific instances */
d68e2d1a 115SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
69890f73 116 uint8_t address, struct libusb_device_handle *hdl);
91162629 117SR_PRIV GSList *sr_usb_find_usbtmc(libusb_context *usb_ctx);
d68e2d1a 118SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb);
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119#endif
120
c4f2dfd0 121#ifdef HAVE_LIBSERIALPORT
69890f73 122/* Serial-specific instances */
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123SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
124 const char *serialcomm);
d68e2d1a 125SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial);
c4f2dfd0 126#endif
69890f73 127
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128/* USBTMC-specific instances */
129SR_PRIV struct sr_usbtmc_dev_inst *sr_usbtmc_dev_inst_new(const char *device);
130SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc);
b08024a8 131
c09f0b57 132/*--- hwdriver.c ------------------------------------------------------------*/
996b0c72 133
93a04e3b 134SR_PRIV void sr_hw_cleanup_all(void);
bc1c2f00 135SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data);
722db131 136SR_PRIV void sr_config_free(struct sr_config *src);
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137SR_PRIV int sr_source_remove(int fd);
138SR_PRIV int sr_source_add(int fd, int events, int timeout,
ae5859ff 139 sr_receive_data_callback_t cb, void *cb_data);
996b0c72 140
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141/*--- session.c -------------------------------------------------------------*/
142
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143struct sr_session {
144 /** List of struct sr_dev pointers. */
145 GSList *devs;
146 /** List of struct datafeed_callback pointers. */
147 GSList *datafeed_callbacks;
148 GTimeVal starttime;
149 gboolean running;
150
151 unsigned int num_sources;
152
153 /*
154 * Both "sources" and "pollfds" are of the same size and contain pairs
155 * of descriptor and callback function. We can not embed the GPollFD
156 * into the source struct since we want to be able to pass the array
157 * of all poll descriptors to g_poll().
158 */
159 struct source *sources;
160 GPollFD *pollfds;
161 int source_timeout;
162
163 /*
164 * These are our synchronization primitives for stopping the session in
165 * an async fashion. We need to make sure the session is stopped from
166 * within the session thread itself.
167 */
168 GMutex stop_mutex;
169 gboolean abort_session;
170};
171
de4d3f99 172SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi,
ae5859ff 173 const struct sr_datafeed_packet *packet);
33c6e4c5 174SR_PRIV int sr_session_stop_sync(void);
f438e0c9 175SR_PRIV int sr_sessionfile_check(const char *filename);
a1645fcd 176
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177/*--- std.c -----------------------------------------------------------------*/
178
cd2f0fe2 179typedef int (*dev_close_t)(struct sr_dev_inst *sdi);
ae5859ff 180typedef void (*std_dev_clear_t)(void *priv);
cd2f0fe2 181
f6beaac5 182SR_PRIV int std_init(struct sr_context *sr_ctx, struct sr_dev_driver *di,
ae5859ff 183 const char *prefix);
c4f2dfd0 184#ifdef HAVE_LIBSERIALPORT
f6beaac5 185SR_PRIV int std_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
6078d2c9 186 void *cb_data, dev_close_t dev_close_fn,
ae5859ff 187 struct sr_serial_dev_inst *serial, const char *prefix);
c4f2dfd0 188#endif
4afdfd46 189SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
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190 const char *prefix);
191SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
192 std_dev_clear_t clear_private);
4afdfd46 193
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194/*--- strutil.c -------------------------------------------------------------*/
195
196SR_PRIV int sr_atol(const char *str, long *ret);
197SR_PRIV int sr_atoi(const char *str, int *ret);
198SR_PRIV int sr_atod(const char *str, double *ret);
199SR_PRIV int sr_atof(const char *str, float *ret);
200
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201/*--- hardware/common/serial.c ----------------------------------------------*/
202
c4f2dfd0 203#ifdef HAVE_LIBSERIALPORT
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204enum {
205 SERIAL_RDWR = 1,
206 SERIAL_RDONLY = 2,
207 SERIAL_NONBLOCK = 4,
208};
209
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210typedef gboolean (*packet_valid_t)(const uint8_t *buf);
211
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212SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags);
213SR_PRIV int serial_close(struct sr_serial_dev_inst *serial);
214SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial);
215SR_PRIV int serial_write(struct sr_serial_dev_inst *serial,
216 const void *buf, size_t count);
217SR_PRIV int serial_read(struct sr_serial_dev_inst *serial, void *buf,
218 size_t count);
219SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
71caaad4 220 int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
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221SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
222 const char *paramstr);
223SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
224 int *buflen, gint64 timeout_ms);
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225SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
226 uint8_t *buf, size_t *buflen,
227 size_t packet_size, packet_valid_t is_valid,
228 uint64_t timeout_ms, int baudrate);
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229SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device,
230 const char **serial_options);
c4f2dfd0 231#endif
1483577e 232
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233/*--- hardware/common/ezusb.c -----------------------------------------------*/
234
22b02383 235#ifdef HAVE_LIBUSB_1_0
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236SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
237SR_PRIV int ezusb_install_firmware(libusb_device_handle *hdl,
238 const char *filename);
239SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration,
240 const char *filename);
22b02383 241#endif
058b7035 242
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243/*--- hardware/common/usb.c -------------------------------------------------*/
244
245#ifdef HAVE_LIBUSB_1_0
7ae6a758 246SR_PRIV GSList *sr_usb_find(libusb_context *usb_ctx, const char *conn);
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247SR_PRIV int sr_usb_open(libusb_context *usb_ctx, struct sr_usb_dev_inst *usb);
248#endif
249
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250/*--- hardware/common/scpi.c ------------------------------------------------*/
251
252#ifdef HAVE_LIBSERIALPORT
253
254#define SCPI_CMD_IDN "*IDN?"
255#define SCPI_CMD_OPC "*OPC?"
256
257enum {
258 SCPI_CMD_SET_TRIGGER_SOURCE,
259 SCPI_CMD_SET_TIMEBASE,
260 SCPI_CMD_SET_VERTICAL_DIV,
261 SCPI_CMD_SET_TRIGGER_SLOPE,
262 SCPI_CMD_SET_COUPLING,
263 SCPI_CMD_SET_HORIZ_TRIGGERPOS,
264 SCPI_CMD_GET_ANALOG_CHAN_STATE,
265 SCPI_CMD_GET_DIG_CHAN_STATE,
266 SCPI_CMD_GET_TIMEBASE,
267 SCPI_CMD_GET_VERTICAL_DIV,
268 SCPI_CMD_GET_VERTICAL_OFFSET,
269 SCPI_CMD_GET_TRIGGER_SOURCE,
270 SCPI_CMD_GET_HORIZ_TRIGGERPOS,
271 SCPI_CMD_GET_TRIGGER_SLOPE,
272 SCPI_CMD_GET_COUPLING,
273 SCPI_CMD_SET_ANALOG_CHAN_STATE,
274 SCPI_CMD_SET_DIG_CHAN_STATE,
275 SCPI_CMD_GET_DIG_POD_STATE,
276 SCPI_CMD_SET_DIG_POD_STATE,
277 SCPI_CMD_GET_ANALOG_DATA,
278 SCPI_CMD_GET_DIG_DATA,
279};
280
281struct sr_scpi_hw_info {
282 char *manufacturer;
283 char *model;
284 char *serial_number;
285 char *firmware_version;
286};
287
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288struct sr_scpi_dev_inst {
289 int (*open)(void *priv);
290 int (*source_add)(void *priv, int events,
291 int timeout, sr_receive_data_callback_t cb, void *cb_data);
292 int (*source_remove)(void *priv);
293 int (*send)(void *priv, const char *command);
294 int (*receive)(void *priv, char **scpi_response);
295 int (*close)(void *priv);
296 void (*free)(void *priv);
297 void *priv;
298};
299
300SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi);
301SR_PRIV int sr_scpi_source_add(struct sr_scpi_dev_inst *scpi, int events,
302 int timeout, sr_receive_data_callback_t cb, void *cb_data);
303SR_PRIV int sr_scpi_source_remove(struct sr_scpi_dev_inst *scpi);
304SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi,
305 const char *command);
306SR_PRIV int sr_scpi_receive(struct sr_scpi_dev_inst *scpi,
307 char **scpi_response);
308SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi);
309SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi);
310
311SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
312 const char *command, char **scpi_response);
313SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi,
314 const char *command, gboolean *scpi_response);
315SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi,
316 const char *command, int *scpi_response);
317SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi,
318 const char *command, float *scpi_response);
319SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi,
320 const char *command, double *scpi_response);
321SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi);
322SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
323 const char *command, GArray **scpi_response);
324SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
325 const char *command, GArray **scpi_response);
326SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
327 struct sr_scpi_hw_info **scpi_response);
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328SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info);
329
330#endif
331
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332/*--- hardware/common/scpi_serial.c -----------------------------------------*/
333
334SR_PRIV struct sr_scpi_dev_inst *scpi_serial_dev_inst_new(const char *port,
335 const char *serialcomm);
336
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337/*--- hardware/common/dmm/es51922.c -----------------------------------------*/
338
339#define ES51922_PACKET_SIZE 14
340
341struct es51922_info {
342 gboolean is_judge, is_vbar, is_voltage, is_auto, is_micro, is_current;
343 gboolean is_milli, is_resistance, is_continuity, is_diode, is_lpf;
344 gboolean is_frequency, is_duty_cycle, is_capacitance, is_temperature;
345 gboolean is_celsius, is_fahrenheit, is_adp, is_sign, is_batt, is_ol;
346 gboolean is_max, is_min, is_rel, is_rmr, is_ul, is_pmax, is_pmin;
347 gboolean is_dc, is_ac, is_vahz, is_hold, is_nano, is_kilo, is_mega;
348};
349
350SR_PRIV gboolean sr_es51922_packet_valid(const uint8_t *buf);
351SR_PRIV int sr_es51922_parse(const uint8_t *buf, float *floatval,
352 struct sr_datafeed_analog *analog, void *info);
353
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354/*--- hardware/common/dmm/es519xx.c -----------------------------------------*/
355
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356/**
357 * All 11-byte es519xx chips repeat each block twice for each conversion cycle
358 * so always read 2 blocks at a time.
359 */
360#define ES519XX_11B_PACKET_SIZE (11 * 2)
72e1672f 361#define ES519XX_14B_PACKET_SIZE 14
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362
363struct es519xx_info {
364 gboolean is_judge, is_voltage, is_auto, is_micro, is_current;
365 gboolean is_milli, is_resistance, is_continuity, is_diode;
366 gboolean is_frequency, is_rpm, is_capacitance, is_duty_cycle;
367 gboolean is_temperature, is_celsius, is_fahrenheit;
368 gboolean is_adp0, is_adp1, is_adp2, is_adp3;
369 gboolean is_sign, is_batt, is_ol, is_pmax, is_pmin, is_apo;
370 gboolean is_dc, is_ac, is_vahz, is_min, is_max, is_rel, is_hold;
371 gboolean is_digit4, is_ul, is_vasel, is_vbar, is_lpf1, is_lpf0, is_rmr;
372 uint32_t baudrate;
373 int packet_size;
374 gboolean alt_functions, fivedigits, clampmeter, selectable_lpf;
375};
376
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377SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf);
378SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval,
379 struct sr_datafeed_analog *analog, void *info);
380SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf);
93d719cd 381SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf,
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382 float *floatval, struct sr_datafeed_analog *analog, void *info);
383SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf);
384SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf,
385 float *floatval, struct sr_datafeed_analog *analog, void *info);
386SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf);
387SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval,
388 struct sr_datafeed_analog *analog, void *info);
389SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf);
390SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval,
391 struct sr_datafeed_analog *analog, void *info);
392SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf);
393SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf,
394 float *floatval, struct sr_datafeed_analog *analog, void *info);
c01bdebc 395
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396/*--- hardware/common/dmm/fs9922.c ------------------------------------------*/
397
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398#define FS9922_PACKET_SIZE 14
399
400struct fs9922_info {
401 gboolean is_auto, is_dc, is_ac, is_rel, is_hold, is_bpn, is_z1, is_z2;
402 gboolean is_max, is_min, is_apo, is_bat, is_nano, is_z3, is_micro;
403 gboolean is_milli, is_kilo, is_mega, is_beep, is_diode, is_percent;
404 gboolean is_z4, is_volt, is_ampere, is_ohm, is_hfe, is_hertz, is_farad;
405 gboolean is_celsius, is_fahrenheit;
406 int bargraph_sign, bargraph_value;
407};
408
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409SR_PRIV gboolean sr_fs9922_packet_valid(const uint8_t *buf);
410SR_PRIV int sr_fs9922_parse(const uint8_t *buf, float *floatval,
411 struct sr_datafeed_analog *analog, void *info);
e52bb9be 412SR_PRIV void sr_fs9922_z1_diode(struct sr_datafeed_analog *analog, void *info);
79081ec8 413
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414/*--- hardware/common/dmm/fs9721.c ------------------------------------------*/
415
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416#define FS9721_PACKET_SIZE 14
417
418struct fs9721_info {
419 gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
420 gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
421 gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
422 gboolean is_c2c1_11, is_c2c1_10, is_c2c1_01, is_c2c1_00, is_sign;
423};
424
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425SR_PRIV gboolean sr_fs9721_packet_valid(const uint8_t *buf);
426SR_PRIV int sr_fs9721_parse(const uint8_t *buf, float *floatval,
93357bc3 427 struct sr_datafeed_analog *analog, void *info);
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428SR_PRIV void sr_fs9721_00_temp_c(struct sr_datafeed_analog *analog, void *info);
429SR_PRIV void sr_fs9721_01_temp_c(struct sr_datafeed_analog *analog, void *info);
430SR_PRIV void sr_fs9721_10_temp_c(struct sr_datafeed_analog *analog, void *info);
431SR_PRIV void sr_fs9721_01_10_temp_f_c(struct sr_datafeed_analog *analog, void *info);
6c701476 432
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433/*--- hardware/common/dmm/metex14.c -----------------------------------------*/
434
435#define METEX14_PACKET_SIZE 14
436
437struct metex14_info {
438 gboolean is_ac, is_dc, is_resistance, is_capacity, is_temperature;
439 gboolean is_diode, is_frequency, is_ampere, is_volt, is_farad;
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440 gboolean is_hertz, is_ohm, is_celsius, is_pico, is_nano, is_micro;
441 gboolean is_milli, is_kilo, is_mega, is_gain, is_decibel, is_hfe;
442 gboolean is_unitless;
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443};
444
c4f2dfd0 445#ifdef HAVE_LIBSERIALPORT
ce3777ad 446SR_PRIV int sr_metex14_packet_request(struct sr_serial_dev_inst *serial);
c4f2dfd0 447#endif
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448SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf);
449SR_PRIV int sr_metex14_parse(const uint8_t *buf, float *floatval,
1fbab466 450 struct sr_datafeed_analog *analog, void *info);
ac913e5c 451
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452/*--- hardware/common/dmm/rs9lcd.c ------------------------------------------*/
453
21829e67 454#define RS9LCD_PACKET_SIZE 9
05f134ab 455
e7ed87a4 456/* Dummy info struct. The parser does not use it. */
bf6f8399 457struct rs9lcd_info { int dummy; };
e7ed87a4 458
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459SR_PRIV gboolean sr_rs9lcd_packet_valid(const uint8_t *buf);
460SR_PRIV int sr_rs9lcd_parse(const uint8_t *buf, float *floatval,
461 struct sr_datafeed_analog *analog, void *info);
462
1483577e 463#endif