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drivers: Add 'U' to unsigned variable assignments

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Add 'U' to a value when assigning it to an unsigned variable.
MISRA-C rule 7.2

Signed-off-by: Patrik Flykt <patrik.flykt@intel.com>
This commit is contained in:
Patrik Flykt 2018-11-29 11:12:22 -08:00 • committed by Anas Nashif
commit 8ff96b5a57
172 changed files with 693 additions and 693 deletions
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8
drivers/sensor/dht/dht.c
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@ -94,7 +94,7 @@ static int dht_sample_fetch(struct device *dev, enum sensor_channel chan)
}
/* read sensor data */
for (i = 0; i < DHT_DATA_BITS_NUM; i++) {
for (i = 0U; i < DHT_DATA_BITS_NUM; i++) {
/* LOW signal to indicate a new bit */
if (dht_measure_signal_duration(drv_data, 0) == -1) {
ret = -EIO;
@ -118,7 +118,7 @@ static int dht_sample_fetch(struct device *dev, enum sensor_channel chan)
*/
min_duration = signal_duration[0];
max_duration = signal_duration[0];
for (i = 1; i < DHT_DATA_BITS_NUM; i++) {
for (i = 1U; i < DHT_DATA_BITS_NUM; i++) {
if (min_duration > signal_duration[i]) {
min_duration = signal_duration[i];
}
@ -129,9 +129,9 @@ static int dht_sample_fetch(struct device *dev, enum sensor_channel chan)
avg_duration = ((s16_t)min_duration + (s16_t)max_duration) / 2;
/* store bits in buf */
j = 0;
j = 0U;
(void)memset(buf, 0, sizeof(buf));
for (i = 0; i < DHT_DATA_BITS_NUM; i++) {
for (i = 0U; i < DHT_DATA_BITS_NUM; i++) {
if (signal_duration[i] >= avg_duration) {
buf[j] = (buf[j] << 1) | 1;
} else {