]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/baylibre-acme/protocol.c
baylibre-acme: Use software limit helpers
[libsigrok.git] / src / hardware / baylibre-acme / protocol.c
index db1b57573d9173ade5fe425b9d425e4df76ed040..ea25d95b00fcb3add71053454df369fd33363c32 100644 (file)
@@ -167,6 +167,7 @@ SR_PRIV gboolean bl_acme_detect_probe(unsigned int addr,
                sr_dbg("Name for probe %d can't be read: %s",
                       prb_num, err->message);
                g_string_free(path, TRUE);
+               g_error_free(err);
                return ret;
        }
 
@@ -201,6 +202,7 @@ static int get_hwmon_index(unsigned int addr)
        if (!dir) {
                sr_err("Error opening %s: %s", path->str, err->message);
                g_string_free(path, TRUE);
+               g_error_free(err);
                return -1;
        }
 
@@ -277,13 +279,13 @@ static int read_probe_eeprom(unsigned int addr, struct probe_eeprom *eeprom)
                return -1;
 
        rd = read(fd, eeprom_buf, EEPROM_SIZE);
-       g_close(fd, NULL);
+       close(fd);
        if (rd != EEPROM_SIZE)
                return -1;
 
-       eeprom->type = RL32(eeprom_buf + EEPROM_OFF_TYPE);
-       eeprom->rev = RL32(eeprom_buf + EEPROM_OFF_REV);
-       eeprom->shunt = RL32(eeprom_buf + EEPROM_OFF_SHUNT);
+       eeprom->type = RB32(eeprom_buf + EEPROM_OFF_TYPE);
+       eeprom->rev = RB32(eeprom_buf + EEPROM_OFF_REV);
+       eeprom->shunt = RB32(eeprom_buf + EEPROM_OFF_SHUNT);
        eeprom->pwr_sw = R8(eeprom_buf + EEPROM_OFF_PWR_SW);
        /* Don't care about the serial number and tag for now. */
 
@@ -484,6 +486,7 @@ SR_PRIV int bl_acme_get_shunt(const struct sr_channel_group *cg,
        if (!status) {
                sr_err("Error reading shunt resistance: %s", err->message);
                ret = SR_ERR_IO;
+               g_error_free(err);
                goto out;
        }
 
@@ -651,7 +654,8 @@ static float read_sample(struct sr_channel *ch)
 SR_PRIV int bl_acme_open_channel(struct sr_channel *ch)
 {
        struct channel_priv *chp;
-       char path[64], *file;
+       char path[64];
+       const char *file;
        int fd;
 
        chp = ch->priv;
@@ -693,10 +697,9 @@ SR_PRIV void bl_acme_close_channel(struct sr_channel *ch)
 
 SR_PRIV int bl_acme_receive_data(int fd, int revents, void *cb_data)
 {
-       uint32_t cur_time, elapsed_time;
        uint64_t nrexpiration;
        struct sr_datafeed_packet packet, framep;
-       struct sr_datafeed_analog analog;
+       struct sr_datafeed_analog_old analog;
        struct sr_dev_inst *sdi;
        struct sr_channel *ch;
        struct channel_priv *chp;
@@ -715,9 +718,9 @@ SR_PRIV int bl_acme_receive_data(int fd, int revents, void *cb_data)
        if (!devc)
                return TRUE;
 
-       packet.type = SR_DF_ANALOG;
+       packet.type = SR_DF_ANALOG_OLD;
        packet.payload = &analog;
-       memset(&analog, 0, sizeof(struct sr_datafeed_analog));
+       memset(&analog, 0, sizeof(struct sr_datafeed_analog_old));
 
        if (read(devc->timer_fd, &nrexpiration, sizeof(nrexpiration)) < 0) {
                sr_warn("Failed to read timer information");
@@ -749,7 +752,7 @@ SR_PRIV int bl_acme_receive_data(int fd, int revents, void *cb_data)
         */
        for (i = 0; i < nrexpiration; i++) {
                framep.type = SR_DF_FRAME_BEGIN;
-               sr_session_send(cb_data, &framep);
+               sr_session_send(sdi, &framep);
 
                /*
                 * Due to different units used in each channel we're sending
@@ -772,30 +775,18 @@ SR_PRIV int bl_acme_receive_data(int fd, int revents, void *cb_data)
                                chp->val = read_sample(ch);
 
                        analog.data = &chp->val;
-                       sr_session_send(cb_data, &packet);
+                       sr_session_send(sdi, &packet);
                }
 
                framep.type = SR_DF_FRAME_END;
-               sr_session_send(cb_data, &framep);
+               sr_session_send(sdi, &framep);
        }
 
-       devc->samples_read++;
-       if (devc->limit_samples > 0 &&
-           devc->samples_read >= devc->limit_samples) {
-               sr_info("Requested number of samples reached.");
-               sdi->driver->dev_acquisition_stop(sdi, cb_data);
-               devc->last_sample_fin = g_get_monotonic_time();
+       sr_sw_limits_update_samples_read(&devc->limits, 1);
+
+       if (sr_sw_limits_check(&devc->limits)) {
+               sdi->driver->dev_acquisition_stop(sdi);
                return TRUE;
-       } else if (devc->limit_msec > 0) {
-               cur_time = g_get_monotonic_time();
-               elapsed_time = cur_time - devc->start_time;
-
-               if (elapsed_time >= devc->limit_msec) {
-                       sr_info("Sampling time limit reached.");
-                       sdi->driver->dev_acquisition_stop(sdi, cb_data);
-                       devc->last_sample_fin = g_get_monotonic_time();
-                       return TRUE;
-               }
        }
 
        devc->last_sample_fin = g_get_monotonic_time();