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Initial driver for HTU21DF

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Pim van Pelt
2018-04-02 22:36:46 +02:00
parent aa73394f0d
commit 9f0cdbb821
3 changed files with 99 additions and 6 deletions
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25
src/main.c
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@ -2,6 +2,7 @@
#include "mgos_i2c.h"
#include "mgos_sht31.h"
#include "mgos_si7021.h"
#include "mgos_htu21df.h"
#include <fcntl.h>
#include <sys/ioctl.h>
@ -63,10 +64,23 @@ bool do_si7021(struct mgos_si7021 *sensor) {
return true;
}
bool do_htu21df(struct mgos_htu21df *sensor) {
float temp, humid;
if (!sensor) return false;
temp=mgos_htu21df_getTemperature(sensor);
humid=mgos_htu21df_getHumidity(sensor);
LOG(LL_INFO, ("temperature=%.2fC humidity=%.1f%%", temp, humid));
return true;
}
int main() {
struct mgos_i2c *i2c;
struct mgos_si7021 *si7021;
struct mgos_sht31 *sht31;
struct mgos_htu21df *htu21df;
if (!mgos_i2c_open(I2CBUSNR)) {
LOG(LL_ERROR, ("Cannot open I2C bus %u", I2CBUSNR));
@ -79,22 +93,25 @@ int main() {
i2c_scanner(i2c);
if (!(sht31 = mgos_sht31_create(i2c, 0x44))) {
if (!(sht31 = mgos_sht31_create(i2c, 0x44)))
LOG(LL_ERROR, ("Cannot create SHT31 device"));
}
if (!(si7021 = mgos_si7021_create(i2c, 0x40))) {
if (!(si7021 = mgos_si7021_create(i2c, 0x40)))
LOG(LL_ERROR, ("Cannot create SI7021 device"));
}
if (!(htu21df = mgos_htu21df_create(i2c, 0x40)))
LOG(LL_ERROR, ("Cannot create HTU21DF device"));
for (;;) {
do_sht31(sht31);
do_si7021(si7021);
do_htu21df(htu21df);
sleep(5);
}
mgos_sht31_destroy(&sht31);
mgos_si7021_destroy(&si7021);
mgos_htu21df_destroy(&htu21df);
return 0;
}