Add sr_dev_acquisition_start(), factor out SR_ERR_DEV_CLOSED check.

[libsigrok.git] / src / hardware / appa-55ii / protocol.c

diff --git a/src/hardware/appa-55ii/protocol.c b/src/hardware/appa-55ii/protocol.c
index 790f95273b7ba6c3bd83458916f499aeb34835d6..f31b08b806b9199669467d5bec567c9b16c260db 100644 (file)
--- a/src/hardware/appa-55ii/protocol.c
+++ b/src/hardware/appa-55ii/protocol.c
@@ -23,11 +23,11 @@
 #include "protocol.h"
 
 typedef enum {
-    LIVE_DATA    = 0x00,
-    LOG_METADATA = 0x11,
-    LOG_DATA     = 0x14,
-    LOG_START    = 0x18,
-    LOG_END      = 0x19,
+       LIVE_DATA    = 0x00,
+       LOG_METADATA = 0x11,
+       LOG_DATA     = 0x14,
+       LOG_START    = 0x18,
+       LOG_END      = 0x19,
 } packet_type;
 
 static gboolean appa_55ii_checksum(const uint8_t *buf)
@@ -70,7 +70,7 @@ static uint64_t appa_55ii_flags(const uint8_t *buf)
        return flags;
 }
 
-static float appa_55ii_temp(const uint8_t *buf, int ch)
+static float appa_55ii_temp(const uint8_t *buf, int ch, int *digits)
 {
        const uint8_t *ptr;
        int16_t temp;
@@ -79,12 +79,14 @@ static float appa_55ii_temp(const uint8_t *buf, int ch)
        ptr = buf + 4 + 14 + 3 * ch;
        temp = RL16(ptr);
        flags = ptr[2];
+       *digits = 0;
 
        if (flags & 0x60)
                return INFINITY;
-       else if (flags & 1)
+       else if (flags & 1) {
+               *digits = 1;
                return (float)temp / 10;
-       else
+       } else
                return (float)temp;
 }
 
@@ -97,34 +99,34 @@ static void appa_55ii_live_data(struct sr_dev_inst *sdi, const uint8_t *buf)
        struct sr_analog_meaning meaning;
        struct sr_analog_spec spec;
        struct sr_channel *ch;
-       float values[APPA_55II_NUM_CHANNELS], *val_ptr;
-       int i;
+       float value;
+       int i, digits;
 
        devc = sdi->priv;
 
        if (devc->data_source != DATA_SOURCE_LIVE)
                return;
 
-       val_ptr = values;
-       sr_analog_init(&analog, &encoding, &meaning, &spec, 0);
-       analog.num_samples = 1;
-       analog.meaning->mq = SR_MQ_TEMPERATURE;
-       analog.meaning->unit = SR_UNIT_CELSIUS;
-       analog.meaning->mqflags = appa_55ii_flags(buf);
-       analog.data = values;
-
        for (i = 0; i < APPA_55II_NUM_CHANNELS; i++) {
                ch = g_slist_nth_data(sdi->channels, i);
                if (!ch->enabled)
                        continue;
-               analog.meaning->channels = g_slist_append(analog.meaning->channels, ch);
-               *val_ptr++ = appa_55ii_temp(buf, i);
-       }
 
-       packet.type = SR_DF_ANALOG;
-       packet.payload = &analog;
-       sr_session_send(sdi, &packet);
-       g_slist_free(analog.meaning->channels);
+               value = appa_55ii_temp(buf, i, &digits);
+
+               sr_analog_init(&analog, &encoding, &meaning, &spec, digits);
+               analog.num_samples = 1;
+               analog.data = &value;
+               analog.meaning->mq = SR_MQ_TEMPERATURE;
+               analog.meaning->unit = SR_UNIT_CELSIUS;
+               analog.meaning->mqflags = appa_55ii_flags(buf);
+               analog.meaning->channels = g_slist_append(NULL, ch);
+
+               packet.type = SR_DF_ANALOG;
+               packet.payload = &analog;
+               sr_session_send(sdi, &packet);
+               g_slist_free(analog.meaning->channels);
+       }
 
        sr_sw_limits_update_samples_read(&devc->limits, 1);
 }
@@ -161,7 +163,7 @@ static void appa_55ii_log_data_parse(struct sr_dev_inst *sdi)
                /* FIXME: Timestamp should be sent in the packet. */
                sr_dbg("Timestamp: %02d:%02d:%02d", buf[2], buf[3], buf[4]);
 
-               sr_analog_init(&analog, &encoding, &meaning, &spec, 0);
+               sr_analog_init(&analog, &encoding, &meaning, &spec, 1);
                analog.num_samples = 1;
                analog.meaning->mq = SR_MQ_TEMPERATURE;
                analog.meaning->unit = SR_UNIT_CELSIUS;
@@ -222,7 +224,7 @@ static void appa_55ii_log_end(struct sr_dev_inst *sdi)
        if (devc->data_source != DATA_SOURCE_MEMORY)
                return;
 
-       sdi->driver->dev_acquisition_stop(sdi);
+       sr_dev_acquisition_stop(sdi);
 }
 
 static const uint8_t *appa_55ii_parse_data(struct sr_dev_inst *sdi,
@@ -307,7 +309,7 @@ SR_PRIV int appa_55ii_receive_data(int fd, int revents, void *cb_data)
        }
 
        if (sr_sw_limits_check(&devc->limits)) {
-               sdi->driver->dev_acquisition_stop(sdi);
+               sr_dev_acquisition_stop(sdi);
                return TRUE;
        }