]> sigrok.org Git - libsigrok.git/blobdiff - hardware/serial-dmm/protocol.c
Replace 'probe' with 'channel' in most places.
[libsigrok.git] / hardware / serial-dmm / protocol.c
index 9524f2bd92dbfee13a591584f67bd36d9956b994..36e69444d8f7a815ccdc9483ce856ec1442e3ae3 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * 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>
@@ -35,99 +35,54 @@ static void log_dmm_packet(const uint8_t *buf)
               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;
        }
@@ -136,7 +91,7 @@ static void handle_new_data(struct dev_context *devc, int dmm, void *info)
        /* 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++;
@@ -153,6 +108,7 @@ static int receive_data(int fd, int revents, int dmm, void *info, void *cb_data)
 {
        struct sr_dev_inst *sdi;
        struct dev_context *devc;
+       struct sr_serial_dev_inst *serial;
        int64_t time;
        int ret;
 
@@ -164,13 +120,15 @@ static int receive_data(int fd, int revents, int dmm, void *info, void *cb_data)
        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;
@@ -179,7 +137,7 @@ static int receive_data(int fd, int revents, int dmm, void *info, void *cb_data)
        }
 
        if (devc->limit_samples && devc->num_samples >= devc->limit_samples) {
-               sr_info("Requested number of samples reached, stopping.");
+               sr_info("Requested number of samples reached.");
                sdi->driver->dev_acquisition_stop(sdi, cb_data);
                return TRUE;
        }
@@ -187,7 +145,7 @@ static int receive_data(int fd, int revents, int dmm, void *info, void *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, stopping.");
+                       sr_info("Requested time limit reached.");
                        sdi->driver->dev_acquisition_stop(sdi, cb_data);
                        return TRUE;
                }
@@ -202,16 +160,36 @@ SR_PRIV int receive_data_##ID_UPPER(int fd, int revents, void *cb_data) { \
        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(VOLTCRAFT_VC820, fs9721)
-RECEIVE_DATA(VOLTCRAFT_VC840, fs9721)
+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)