]> sigrok.org Git - libsigrok.git/commitdiff
testo: Use software limit helpers
authorLars-Peter Clausen <redacted>
Sun, 1 May 2016 11:55:12 +0000 (13:55 +0200)
committerUwe Hermann <redacted>
Mon, 9 May 2016 10:44:41 +0000 (12:44 +0200)
Signed-off-by: Lars-Peter Clausen <redacted>
src/hardware/testo/api.c
src/hardware/testo/protocol.h

index d22edc2c73b6ad5b39ebce32b60eb98dd7f57383..9a984cdc84eb664e639fcad6842c2166a9f0e422 100644 (file)
@@ -33,8 +33,8 @@ static const uint32_t scanopts[] = {
 static const uint32_t devopts[] = {
        SR_CONF_MULTIMETER,
        SR_CONF_CONTINUOUS,
-       SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
-       SR_CONF_LIMIT_MSEC | SR_CONF_SET,
+       SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_GET,
+       SR_CONF_LIMIT_MSEC | SR_CONF_SET | SR_CONF_GET,
 };
 
 static const uint8_t TESTO_x35_REQUEST[] = { 0x12, 0, 0, 0, 1, 1, 0x55, 0xd1, 0xb7 };
@@ -132,8 +132,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
                sdi->connection_id = g_strdup(connection_id);
                devc = g_malloc(sizeof(struct dev_context));
                devc->model = &models[0];
-               devc->limit_msec = 0;
-               devc->limit_samples = 0;
+               sr_sw_limits_init(&devc->sw_limits);
                sdi->priv = devc;
                if (testo_probe_channels(sdi) != SR_OK)
                        continue;
@@ -212,6 +211,7 @@ static int dev_close(struct sr_dev_inst *sdi)
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
+       struct dev_context *devc = sdi->priv;
        struct sr_usb_dev_inst *usb;
        char str[128];
 
@@ -225,6 +225,9 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
                snprintf(str, 128, "%d.%d", usb->bus, usb->address);
                *data = g_variant_new_string(str);
                break;
+       case SR_CONF_LIMIT_MSEC:
+       case SR_CONF_LIMIT_SAMPLES:
+               return sr_sw_limits_config_get(&devc->sw_limits, key, data);
        default:
                return SR_ERR_NA;
        }
@@ -235,31 +238,14 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
-       struct dev_context *devc;
-       gint64 now;
-       int ret;
+       struct dev_context *devc = sdi->priv;
 
        (void)cg;
 
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
 
-       devc = sdi->priv;
-       ret = SR_OK;
-       switch (key) {
-       case SR_CONF_LIMIT_MSEC:
-               devc->limit_msec = g_variant_get_uint64(data);
-               now = g_get_monotonic_time() / 1000;
-               devc->end_time = now + devc->limit_msec;
-               break;
-       case SR_CONF_LIMIT_SAMPLES:
-               devc->limit_samples = g_variant_get_uint64(data);
-               break;
-       default:
-               ret = SR_ERR_NA;
-       }
-
-       return ret;
+       return sr_sw_limits_config_set(&devc->sw_limits, key, data);
 }
 
 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
@@ -315,13 +301,13 @@ static void receive_data(struct sr_dev_inst *sdi, unsigned char *data, int len)
        crc = crc16_mcrf4xx(0xffff, devc->reply, devc->reply_size - 2);
        if (crc == RL16(&devc->reply[devc->reply_size - 2])) {
                testo_receive_packet(sdi);
-               devc->num_samples++;
+               sr_sw_limits_update_samples_read(&devc->sw_limits, 1);
        } else {
                sr_dbg("Packet has invalid CRC.");
        }
 
        devc->reply_size = 0;
-       if (devc->limit_samples && devc->num_samples >= devc->limit_samples)
+       if (sr_sw_limits_check(&devc->sw_limits))
                dev_acquisition_stop(sdi);
        else
                testo_request_packet(sdi);
@@ -374,7 +360,6 @@ static int handle_events(int fd, int revents, void *cb_data)
        struct drv_context *drvc;
        struct sr_dev_inst *sdi;
        struct timeval tv;
-       gint64 now;
 
        (void)fd;
        (void)revents;
@@ -384,11 +369,8 @@ static int handle_events(int fd, int revents, void *cb_data)
        di = sdi->driver;
        drvc = di->context;
 
-       if (devc->limit_msec) {
-               now = g_get_monotonic_time() / 1000;
-               if (now > devc->end_time)
-                       dev_acquisition_stop(sdi);
-       }
+       if (sr_sw_limits_check(&devc->sw_limits))
+               dev_acquisition_stop(sdi);
 
        if (sdi->status == SR_ST_STOPPING) {
                usb_source_remove(sdi->session, drvc->sr_ctx);
@@ -420,8 +402,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
        devc = sdi->priv;
        usb = sdi->conn;
-       devc->end_time = 0;
-       devc->num_samples = 0;
        devc->reply_size = 0;
 
        std_session_send_df_header(sdi, LOG_PREFIX);
@@ -448,6 +428,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
        }
        devc->reply_size = 0;
 
+       sr_sw_limits_acquisition_start(&devc->sw_limits);
+
        return SR_OK;
 }
 
index 8cfc3511279170eb398873b7244f87f0e1418ce7..654eb6977a7fabbb5d4fc591ae60f351f5dfa681 100644 (file)
@@ -57,12 +57,9 @@ struct dev_context {
        const struct testo_model *model;
 
        /* Acquisition settings */
-       uint64_t limit_msec;
-       uint64_t limit_samples;
+       struct sr_sw_limits sw_limits;
 
        /* Operational state */
-       gint64 end_time;
-       uint64_t num_samples;
        uint8_t channel_units[MAX_CHANNELS];
        int num_channels;