BLAHAJ
/
libsigrok
10
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

lascar-el-usb: Convert to SR_DF_ANALOG.

This commit is contained in:
Uwe Hermann 2016-05-28 17:45:55 +02:00
parent 2c9111820a
commit 5ba417591c
1 changed files with 27 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
src/hardware/lascar-el-usb/protocol.c
View File

@ -387,7 +387,10 @@ static void lascar_el_usb_dispatch(struct sr_dev_inst *sdi, unsigned char *buf,
{
struct dev_context *devc;
struct sr_datafeed_packet packet;
struct sr_datafeed_analog_old analog;
struct sr_datafeed_analog analog;
struct sr_analog_encoding encoding;
struct sr_analog_meaning meaning;
struct sr_analog_spec spec;
struct sr_channel *ch;
float *temp, *rh;
uint16_t s;
@ -395,15 +398,17 @@ static void lascar_el_usb_dispatch(struct sr_dev_inst *sdi, unsigned char *buf,
devc = sdi->priv;
sr_analog_init(&analog, &encoding, &meaning, &spec, 0);
samples = buflen / devc->sample_size;
samples_left = devc->logged_samples - devc->rcvd_samples;
if (samples_left < samples)
samples = samples_left;
switch (devc->profile->logformat) {
case LOG_TEMP_RH:
packet.type = SR_DF_ANALOG_OLD;
packet.type = SR_DF_ANALOG;
packet.payload = &analog;
analog.mqflags = 0;
analog.meaning->mqflags = 0;
if (!(temp = g_try_malloc(sizeof(float) * samples)))
break;
if (!(rh = g_try_malloc(sizeof(float) * samples)))
@ -427,45 +432,45 @@ static void lascar_el_usb_dispatch(struct sr_dev_inst *sdi, unsigned char *buf,
ch = sdi->channels->data;
if (ch->enabled) {
analog.channels = g_slist_append(NULL, ch);
analog.mq = SR_MQ_TEMPERATURE;
analog.meaning->channels = g_slist_append(NULL, ch);
analog.meaning->mq = SR_MQ_TEMPERATURE;
if (devc->temp_unit == 1)
analog.unit = SR_UNIT_FAHRENHEIT;
analog.meaning->unit = SR_UNIT_FAHRENHEIT;
else
analog.unit = SR_UNIT_CELSIUS;
analog.data = temp;
analog.meaning->unit = SR_UNIT_CELSIUS;
analog.data = (void *)temp;
sr_session_send(sdi, &packet);
g_slist_free(analog.channels);
g_slist_free(analog.meaning->channels);
}
ch = sdi->channels->next->data;
if (ch->enabled) {
analog.channels = g_slist_append(NULL, ch);
analog.mq = SR_MQ_RELATIVE_HUMIDITY;
analog.unit = SR_UNIT_PERCENTAGE;
analog.data = rh;
analog.meaning->channels = g_slist_append(NULL, ch);
analog.meaning->mq = SR_MQ_RELATIVE_HUMIDITY;
analog.meaning->unit = SR_UNIT_PERCENTAGE;
analog.data = (void *)rh;
sr_session_send(sdi, &packet);
g_slist_free(analog.channels);
g_slist_free(analog.meaning->channels);
}
g_free(temp);
g_free(rh);
break;
case LOG_CO:
packet.type = SR_DF_ANALOG_OLD;
packet.type = SR_DF_ANALOG;
packet.payload = &analog;
analog.channels = sdi->channels;
analog.meaning->channels = sdi->channels;
analog.num_samples = samples;
analog.mq = SR_MQ_CARBON_MONOXIDE;
analog.unit = SR_UNIT_CONCENTRATION;
analog.mqflags = 0;
analog.meaning->mq = SR_MQ_CARBON_MONOXIDE;
analog.meaning->unit = SR_UNIT_CONCENTRATION;
analog.meaning->mqflags = 0;
if (!(analog.data = g_try_malloc(sizeof(float) * samples)))
break;
for (i = 0; i < samples; i++) {
s = (buf[i * 2] << 8) | buf[i * 2 + 1];
analog.data[i] = (s * devc->co_high + devc->co_low) / (1000 * 1000);
if (analog.data[i] < 0.0)
analog.data[i] = 0.0;
((float *)analog.data)[i] = (s * devc->co_high + devc->co_low) / (1000 * 1000);
if (((float *)analog.data)[i] < 0.0)
((float *)analog.data)[i] = 0.0;
}
sr_session_send(sdi, &packet);
g_free(analog.data);