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sample/shield: x-nucleo-iks01a3: add support to STTS751

Configure and read data from STTS751 temperature sensor
in standard mode.

Signed-off-by: Armando Visconti <armando.visconti@st.com>
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avisconti authored and galak committed Jul 16, 2019
1 parent e9055ae commit 48602c4b93e56cddc5546ef44789c78baf8be1b5
@@ -17,6 +17,7 @@ periodically reads and displays data from the shield sensors:
- LIS2MDL 3-Axis magnetic field intensity
- LIS2DW12 3-Axis acceleration
- LSM6DSO 6-Axis acceleration and angular velocity
- STTS751 temperature sensor

Requirements
************
@@ -64,6 +65,7 @@ Sample Output
HTS221: Relative Humidity: 27.0%
LPS22HH: Temperature: 27.3 C
LPS22HH: Pressure:99.150 kpa
STTS751: Temperature: 27.6 C
LIS2MDL: Magn (gauss): x: -0.445, y: -0.054, z: -0.066
LIS2DW12: Accel (m.s-2): x: -0.413, y: 0.077, z: 10.337
LSM6DSO: Accel (m.s-2): x: 0.133, y: -0.133, z: 10.102
@@ -8,6 +8,8 @@ CONFIG_HTS221=y
CONFIG_HTS221_TRIGGER_NONE=y
CONFIG_LPS22HH=y
CONFIG_LPS22HH_TRIGGER_OWN_THREAD=y
CONFIG_STTS751=y
CONFIG_STTS751_TRIGGER_NONE=y
CONFIG_LIS2MDL=y
CONFIG_LIS2MDL_TRIGGER_NONE=y
CONFIG_LIS2DW12=y
@@ -21,6 +21,16 @@ static void lps22hh_trigger_handler(struct device *dev,
}
#endif

#ifdef CONFIG_STTS751_TRIGGER
static int stts751_trig_cnt;

static void stts751_trigger_handler(struct device *dev,
struct sensor_trigger *trig)
{
stts751_trig_cnt++;
}
#endif

#ifdef CONFIG_LIS2DW12_TRIGGER
static int lis2dw12_trig_cnt;

@@ -82,6 +92,29 @@ static void lps22hh_config(struct device *lps22hh)
#endif
}

static void stts751_config(struct device *stts751)
{
struct sensor_value odr_attr;

/* set STTS751 conversion rate to 16 Hz */
odr_attr.val1 = 16;
odr_attr.val2 = 0;

if (sensor_attr_set(stts751, SENSOR_CHAN_ALL,
SENSOR_ATTR_SAMPLING_FREQUENCY, &odr_attr) < 0) {
printk("Cannot set sampling frequency for STTS751\n");
return;
}

#ifdef CONFIG_STTS751_TRIGGER
struct sensor_trigger trig;

trig.type = SENSOR_TRIG_THRESHOLD;
trig.chan = SENSOR_CHAN_ALL;
sensor_trigger_set(stts751, &trig, stts751_trigger_handler);
#endif
}

static void lis2dw12_config(struct device *lis2dw12)
{
struct sensor_value odr_attr, fs_attr;
@@ -172,7 +205,7 @@ static void lsm6dso_config(struct device *lsm6dso)

void main(void)
{
struct sensor_value temp1, temp2, hum, press;
struct sensor_value temp1, temp2, temp3, hum, press;
#ifdef CONFIG_LSM6DSO_ENABLE_TEMP
struct sensor_value die_temp;
#endif
@@ -181,6 +214,7 @@ void main(void)
struct sensor_value magn[3];
struct device *hts221 = device_get_binding(DT_INST_0_ST_HTS221_LABEL);
struct device *lps22hh = device_get_binding(DT_INST_0_ST_LPS22HH_LABEL);
struct device *stts751 = device_get_binding(DT_INST_0_ST_STTS751_LABEL);
struct device *lis2mdl = device_get_binding(DT_INST_0_ST_LIS2MDL_MAGN_LABEL);
struct device *lis2dw12 = device_get_binding(DT_INST_0_ST_LIS2DW12_LABEL);
struct device *lsm6dso = device_get_binding(DT_INST_0_ST_LSM6DSO_LABEL);
@@ -194,6 +228,10 @@ void main(void)
printf("Could not get LPS22HH device\n");
return;
}
if (stts751 == NULL) {
printf("Could not get STTS751 device\n");
return;
}
if (lis2mdl == NULL) {
printf("Could not get LIS2MDL Magn device\n");
return;
@@ -208,6 +246,7 @@ void main(void)
}

lps22hh_config(lps22hh);
stts751_config(stts751);
lis2dw12_config(lis2dw12);
lsm6dso_config(lsm6dso);

@@ -224,6 +263,11 @@ void main(void)
return;
}
#endif
if (sensor_sample_fetch(stts751) < 0) {
printf("STTS751 Sensor sample update error\n");
return;
}

if (sensor_sample_fetch(lis2mdl) < 0) {
printf("LIS2MDL Magn Sensor sample update error\n");
return;
@@ -248,6 +292,7 @@ void main(void)
sensor_channel_get(hts221, SENSOR_CHAN_HUMIDITY, &hum);
sensor_channel_get(lps22hh, SENSOR_CHAN_AMBIENT_TEMP, &temp2);
sensor_channel_get(lps22hh, SENSOR_CHAN_PRESS, &press);
sensor_channel_get(stts751, SENSOR_CHAN_AMBIENT_TEMP, &temp3);
sensor_channel_get(lis2mdl, SENSOR_CHAN_MAGN_XYZ, magn);
sensor_channel_get(lis2dw12, SENSOR_CHAN_ACCEL_XYZ, accel2);
sensor_channel_get(lsm6dso, SENSOR_CHAN_ACCEL_XYZ, accel1);
@@ -279,6 +324,10 @@ void main(void)
printf("LPS22HH: Pressure:%.3f kpa\n",
sensor_value_to_double(&press));

/* temperature */
printf("STTS751: Temperature: %.1f C\n",
sensor_value_to_double(&temp3));

/* lis2mdl */
printf("LIS2MDL: Magn (gauss): x: %.3f, y: %.3f, z: %.3f\n",
sensor_value_to_double(&magn[0]),
@@ -310,6 +359,10 @@ void main(void)
printk("%d:: lps22hh trig %d\n", cnt, lps22hh_trig_cnt);
#endif

#if defined(CONFIG_STTS751_TRIGGER)
printk("%d:: stts751 trig %d\n", cnt, stts751_trig_cnt);
#endif

#ifdef CONFIG_LIS2DW12_TRIGGER
printk("%d:: lis2dw12 trig %d\n", cnt, lis2dw12_trig_cnt);
#endif

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