/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
* Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <glib.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <errno.h>
+#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
#include "protocol.h"
buf[7], buf[8], buf[9], buf[10], buf[11], buf[12], buf[13]);
}
-SR_PRIV void dmm_details_dt4000zc(struct sr_datafeed_analog *analog, void *info)
-{
- dmm_details_tp4000zc(analog, info); /* Same as TP4000ZC. */
-}
-
-SR_PRIV void dmm_details_tp4000zc(struct sr_datafeed_analog *analog, void *info)
-{
- struct fs9721_info *info_local;
-
- info_local = (struct fs9721_info *)info;
-
- /* User-defined FS9721_LP3 flag 'c2c1_10' means temperature. */
- if (info_local->is_c2c1_10) {
- analog->mq = SR_MQ_TEMPERATURE;
- analog->unit = SR_UNIT_CELSIUS;
- }
-}
-
-SR_PRIV void dmm_details_va18b(struct sr_datafeed_analog *analog, void *info)
-{
- struct fs9721_info *info_local;
-
- info_local = (struct fs9721_info *)info;
-
- /* User-defined FS9721_LP3 flag 'c2c1_01' means temperature. */
- if (info_local->is_c2c1_01) {
- analog->mq = SR_MQ_TEMPERATURE;
- analog->unit = SR_UNIT_CELSIUS;
- }
-}
-
-SR_PRIV void dmm_details_pce_dm32(struct sr_datafeed_analog *analog, void *info)
-{
- struct fs9721_info *info_local;
-
- info_local = (struct fs9721_info *)info;
-
- /* User-defined FS9721_LP3 flag 'c2c1_01' means temperature (F). */
- if (info_local->is_c2c1_01) {
- analog->mq = SR_MQ_TEMPERATURE;
- analog->unit = SR_UNIT_FAHRENHEIT;
- }
-
- /* User-defined FS9721_LP3 flag 'c2c1_10' means temperature (C). */
- if (info_local->is_c2c1_10) {
- analog->mq = SR_MQ_TEMPERATURE;
- analog->unit = SR_UNIT_CELSIUS;
- }
-}
-
-static void handle_packet(const uint8_t *buf, struct dev_context *devc,
+static void handle_packet(const uint8_t *buf, struct sr_dev_inst *sdi,
int dmm, void *info)
{
float floatval;
struct sr_datafeed_packet packet;
- struct sr_datafeed_analog *analog;
+ struct sr_datafeed_analog analog;
+ struct dev_context *devc;
log_dmm_packet(buf);
+ devc = sdi->priv;
- if (!(analog = g_try_malloc0(sizeof(struct sr_datafeed_analog)))) {
- sr_err("Analog packet malloc failed.");
- return;
- }
+ memset(&analog, 0, sizeof(struct sr_datafeed_analog));
- analog->num_samples = 1;
- analog->mq = -1;
+ analog.channels = sdi->channels;
+ analog.num_samples = 1;
+ analog.mq = -1;
- dmms[dmm].packet_parse(buf, &floatval, analog, info);
- analog->data = &floatval;
+ dmms[dmm].packet_parse(buf, &floatval, &analog, info);
+ analog.data = &floatval;
+ /* If this DMM needs additional handling, call the resp. function. */
if (dmms[dmm].dmm_details)
- dmms[dmm].dmm_details(analog, info);
+ dmms[dmm].dmm_details(&analog, info);
- if (analog->mq != -1) {
+ if (analog.mq != -1) {
/* Got a measurement. */
packet.type = SR_DF_ANALOG;
- packet.payload = analog;
+ packet.payload = &analog;
sr_session_send(devc->cb_data, &packet);
devc->num_samples++;
}
-
- g_free(analog);
}
-static void handle_new_data(struct dev_context *devc, int dmm, void *info)
+static void handle_new_data(struct sr_dev_inst *sdi, int dmm, void *info)
{
+ struct dev_context *devc;
int len, i, offset = 0;
+ struct sr_serial_dev_inst *serial;
+
+ devc = sdi->priv;
+ serial = sdi->conn;
/* Try to get as much data as the buffer can hold. */
len = DMM_BUFSIZE - devc->buflen;
- len = serial_read(devc->serial, devc->buf + devc->buflen, len);
- if (len < 1) {
+ len = serial_read(serial, devc->buf + devc->buflen, len);
+ if (len == 0)
+ return; /* No new bytes, nothing to do. */
+ if (len < 0) {
sr_err("Serial port read error: %d.", len);
return;
}
/* Now look for packets in that data. */
while ((devc->buflen - offset) >= dmms[dmm].packet_size) {
if (dmms[dmm].packet_valid(devc->buf + offset)) {
- handle_packet(devc->buf + offset, devc, dmm, info);
+ handle_packet(devc->buf + offset, sdi, dmm, info);
offset += dmms[dmm].packet_size;
} else {
offset++;
{
struct sr_dev_inst *sdi;
struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
+ int64_t time;
int ret;
(void)fd;
if (!(devc = sdi->priv))
return TRUE;
+ serial = sdi->conn;
+
if (revents == G_IO_IN) {
/* Serial data arrived. */
- handle_new_data(devc, dmm, info);
+ handle_new_data(sdi, dmm, info);
} else {
/* Timeout, send another packet request (if DMM needs it). */
if (dmms[dmm].packet_request) {
- ret = dmms[dmm].packet_request(devc->serial);
+ ret = dmms[dmm].packet_request(serial);
if (ret < 0) {
sr_err("Failed to request packet: %d.", ret);
return FALSE;
}
}
- if (devc->num_samples >= devc->limit_samples) {
- sr_info("Requested number of samples reached, stopping.");
+ if (devc->limit_samples && devc->num_samples >= devc->limit_samples) {
+ sr_info("Requested number of samples reached.");
sdi->driver->dev_acquisition_stop(sdi, cb_data);
return TRUE;
}
- return TRUE;
-}
-
-SR_PRIV int digitek_dt4000zc_receive_data(int fd, int revents, void *cb_data)
-{
- struct fs9721_info info;
- return receive_data(fd, revents, DIGITEK_DT4000ZC, &info, cb_data);
-}
-
-SR_PRIV int tekpower_tp4000zc_receive_data(int fd, int revents, void *cb_data)
-{
- struct fs9721_info info;
- return receive_data(fd, revents, TEKPOWER_TP4000ZC, &info, cb_data);
-}
-
-SR_PRIV int metex_me31_receive_data(int fd, int revents, void *cb_data)
-{
- struct metex14_info info;
- return receive_data(fd, revents, METEX_ME31, &info, cb_data);
-}
-
-SR_PRIV int peaktech_3410_receive_data(int fd, int revents, void *cb_data)
-{
- struct metex14_info info;
- return receive_data(fd, revents, PEAKTECH_3410, &info, cb_data);
-}
-
-SR_PRIV int mastech_mas345_receive_data(int fd, int revents, void *cb_data)
-{
- struct metex14_info info;
- return receive_data(fd, revents, MASTECH_MAS345, &info, cb_data);
-}
-
-SR_PRIV int va_va18b_receive_data(int fd, int revents, void *cb_data)
-{
- struct fs9721_info info;
- return receive_data(fd, revents, VA_VA18B, &info, cb_data);
-}
-
-SR_PRIV int metex_m3640d_receive_data(int fd, int revents, void *cb_data)
-{
- struct metex14_info info;
- return receive_data(fd, revents, METEX_M3640D, &info, cb_data);
-}
-
-SR_PRIV int peaktech_4370_receive_data(int fd, int revents, void *cb_data)
-{
- struct metex14_info info;
- return receive_data(fd, revents, PEAKTECH_4370, &info, cb_data);
-}
+ if (devc->limit_msec) {
+ time = (g_get_monotonic_time() - devc->starttime) / 1000;
+ if (time > (int64_t)devc->limit_msec) {
+ sr_info("Requested time limit reached.");
+ sdi->driver->dev_acquisition_stop(sdi, cb_data);
+ return TRUE;
+ }
+ }
-SR_PRIV int pce_pce_dm32_receive_data(int fd, int revents, void *cb_data)
-{
- struct fs9721_info info;
- return receive_data(fd, revents, PCE_PCE_DM32, &info, cb_data);
+ return TRUE;
}
-SR_PRIV int radioshack_22_168_receive_data(int fd, int revents, void *cb_data)
-{
- struct metex14_info info;
- return receive_data(fd, revents, RADIOSHACK_22_168, &info, cb_data);
-}
+#define RECEIVE_DATA(ID_UPPER, DMM_DRIVER) \
+SR_PRIV int receive_data_##ID_UPPER(int fd, int revents, void *cb_data) { \
+ struct DMM_DRIVER##_info info; \
+ return receive_data(fd, revents, ID_UPPER, &info, cb_data); }
+
+/* Driver-specific receive_data() wrappers */
+RECEIVE_DATA(BBCGM_M2110, metex14) /* metex14_info used as a dummy. */
+RECEIVE_DATA(DIGITEK_DT4000ZC, fs9721)
+RECEIVE_DATA(TEKPOWER_TP4000ZC, fs9721)
+RECEIVE_DATA(METEX_ME31, metex14)
+RECEIVE_DATA(PEAKTECH_3410, metex14)
+RECEIVE_DATA(MASTECH_MAS345, metex14)
+RECEIVE_DATA(VA_VA18B, fs9721)
+RECEIVE_DATA(VA_VA40B, fs9721)
+RECEIVE_DATA(METEX_M3640D, metex14)
+RECEIVE_DATA(METEX_M4650CR, metex14)
+RECEIVE_DATA(PEAKTECH_4370, metex14)
+RECEIVE_DATA(PCE_PCE_DM32, fs9721)
+RECEIVE_DATA(RADIOSHACK_22_168, metex14)
+RECEIVE_DATA(RADIOSHACK_22_805, metex14)
+RECEIVE_DATA(RADIOSHACK_22_812, rs9lcd)
+RECEIVE_DATA(TECPEL_DMM_8061_SER, fs9721)
+RECEIVE_DATA(VOLTCRAFT_M3650CR, metex14)
+RECEIVE_DATA(VOLTCRAFT_M3650D, metex14)
+RECEIVE_DATA(VOLTCRAFT_M4650CR, metex14)
+RECEIVE_DATA(VOLTCRAFT_ME42, metex14)
+RECEIVE_DATA(VOLTCRAFT_VC820_SER, fs9721)
+RECEIVE_DATA(VOLTCRAFT_VC830_SER, fs9922)
+RECEIVE_DATA(VOLTCRAFT_VC840_SER, fs9721)
+RECEIVE_DATA(UNI_T_UT60A_SER, fs9721)
+RECEIVE_DATA(UNI_T_UT60E_SER, fs9721)
+RECEIVE_DATA(UNI_T_UT60G_SER, es519xx)
+RECEIVE_DATA(UNI_T_UT61B_SER, fs9922)
+RECEIVE_DATA(UNI_T_UT61C_SER, fs9922)
+RECEIVE_DATA(UNI_T_UT61D_SER, fs9922)
+RECEIVE_DATA(UNI_T_UT61E_SER, es519xx)
+RECEIVE_DATA(ISO_TECH_IDM103N, es519xx)
+RECEIVE_DATA(TENMA_72_7745_SER, fs9721)
+RECEIVE_DATA(TENMA_72_7750_SER, es519xx)
projects / libsigrok.git / blobdiff