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samples: th02: simplify sample and use DEVICE_DT_GET_ONE

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Update sample to use DEVICE_DT_GET_ONE to remove usage of
device_get_binding.  Additionally simplfy the sample to
just access a single TH02 device.

Signed-off-by: Kumar Gala <galak@kernel.org>
This commit is contained in:
Kumar Gala 2022-07-22 11:43:10 -05:00 committed by Carles Cufí
parent 6d85bd5a84
commit ef964ca4e1
1 changed files with 11 additions and 21 deletions
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32
samples/sensor/th02/src/main.c
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@ -16,30 +16,24 @@
struct channel_info {
int chan;
char *dev_name;
};
/* change device names if you want to use different sensors */
static struct channel_info info[] = {
{ SENSOR_CHAN_AMBIENT_TEMP, "TH02" },
{ SENSOR_CHAN_HUMIDITY, "TH02" },
{ SENSOR_CHAN_AMBIENT_TEMP, },
{ SENSOR_CHAN_HUMIDITY, },
};
void main(void)
{
const struct device *glcd = DEVICE_DT_GET(DT_NODELABEL(glcd));
const struct device *dev[ARRAY_SIZE(info)];
const struct device *th02 = DEVICE_DT_GET_ONE(hoperf_th02);
struct sensor_value val[ARRAY_SIZE(info)];
unsigned int i;
int rc;
for (i = 0U; i < ARRAY_SIZE(info); i++) {
dev[i] = device_get_binding(info[i].dev_name);
if (dev[i] == NULL) {
printk("Failed to get \"%s\" device\n",
info[i].dev_name);
return;
}
if (!device_is_ready(th02)) {
printk("TH02 is not ready\n");
return;
}
if (!device_is_ready(glcd)) {
@ -54,19 +48,15 @@ void main(void)
while (1) {
/* fetch sensor samples */
for (i = 0U; i < ARRAY_SIZE(info); i++) {
rc = sensor_sample_fetch(dev[i]);
if (rc) {
printk("Failed to fetch sample for device %s (%d)\n",
info[i].dev_name, rc);
}
rc = sensor_sample_fetch(th02);
if (rc) {
printk("Failed to fetch sample for device TH02 (%d)\n", rc);
}
for (i = 0U; i < ARRAY_SIZE(info); i++) {
rc = sensor_channel_get(dev[i], info[i].chan, &val[i]);
rc = sensor_channel_get(th02, info[i].chan, &val[i]);
if (rc) {
printk("Failed to get data for device %s (%d)\n",
info[i].dev_name, rc);
printk("Failed to get data for device TH02 (%d)\n", rc);
continue;
}
}