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appa-55ii: properly set encoding digits

This commit is contained in:
Aurelien Jacobs 2016-08-17 00:52:05 +02:00 committed by Uwe Hermann
parent 817b7441a1
commit 7b78449e40
1 changed files with 22 additions and 20 deletions
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42
src/hardware/appa-55ii/protocol.c
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@ -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);
}