int main(void)
{
hdc1000_t dev;
int16_t temp, hum;
size_t len;
char tstr[8];
char hstr[8];
puts("HDC1000 Temperature and Humidity Sensor driver test application\n");
printf("Initializing HDC1000 sensor at I2C_DEV(%i)... ",
(int)hdc1000_params[0].i2c);
if (hdc1000_init(&dev, &hdc1000_params[0]) == HDC1000_OK) {
puts("[OK]\n");
}
else {
puts("[Failed]");
return 1;
}
while (1) {
hdc1000_read(&dev, &temp, &hum);
len = fmt_s16_dfp(tstr, temp, 2);
tstr[len] = '\0';
len = fmt_s16_dfp(hstr, hum, 2);
hstr[len] = '\0';
printf("Reading: T: %s °C RH: %s %%\n", tstr, hstr);
xtimer_usleep(SLEEP);
}
return 0;
}
void phydat_dump(phydat_t *data, uint8_t dim)
{
if (data == NULL || dim > PHYDAT_DIM) {
puts("Unable to display data object");
return;
}
printf("Data:");
for (uint8_t i = 0; i < dim; i++) {
char scale_str = phydat_scale_to_str(data->scale);
printf("\t[%i] ", (int)i);
if (scale_str) {
printf("%i%c", (int)data->val[i], scale_str);
}
else if (data->scale == 0) {
printf("%i", (int)data->val[i]);
}
else if ((data->scale > -5) && (data->scale < 0)) {
char num[8];
size_t len = fmt_s16_dfp(num, data->val[i], data->scale * -1);
num[len] = '\0';
printf("%s", num);
}
else {
printf("%iE%i", (int)data->val[i], (int)data->scale);
}
printf("%s\n", phydat_unit_to_str(data->unit));
}
}
void phydat_dump(phydat_t *data, uint8_t dim)
{
if (data == NULL || dim > PHYDAT_DIM) {
puts("Unable to display data object");
return;
}
printf("Data:");
for (uint8_t i = 0; i < dim; i++) {
char scale_prefix;
switch (data->unit) {
case UNIT_UNDEF:
case UNIT_NONE:
case UNIT_M2:
case UNIT_M3:
case UNIT_PERCENT:
case UNIT_TEMP_C:
case UNIT_TEMP_F:
/* no string conversion */
scale_prefix = '\0';
break;
default:
scale_prefix = phydat_prefix_from_scale(data->scale);
}
printf("\t");
if (dim > 1) {
printf("[%u] ", (unsigned int)i);
}
else {
printf(" ");
}
if (scale_prefix) {
printf("%6d %c", (int)data->val[i], scale_prefix);
}
else if (data->scale == 0) {
printf("%6d", (int)data->val[i]);
}
else if ((data->scale > -5) && (data->scale < 0)) {
char num[8];
size_t len = fmt_s16_dfp(num, data->val[i], data->scale);
num[len] = '\0';
printf("%s", num);
}
else {
printf("%iE%i", (int)data->val[i], (int)data->scale);
}
printf("%s\n", phydat_unit_to_str(data->unit));
}
}
static void test_rmt_s16_dfp(void)
{
char out[8] = "--------";
int16_t val;
unsigned fpp;
size_t len;
val = 0;
fpp = 3;
len = fmt_s16_dfp(out, val, fpp);
out[len] = '\0';
TEST_ASSERT_EQUAL_INT(5, len);
TEST_ASSERT_EQUAL_STRING("0.000", (char *)out);
val = 12345;
fpp = 4;
len = fmt_s16_dfp(out, val, fpp);
out[len] = '\0';
TEST_ASSERT_EQUAL_INT(6, len);
TEST_ASSERT_EQUAL_STRING("1.2345", (char *)out);
val = 12030;
fpp = 3;
len = fmt_s16_dfp(out, val, fpp);
out[len] = '\0';
TEST_ASSERT_EQUAL_INT(6, len);
TEST_ASSERT_EQUAL_STRING("12.030", (char *)out);
val = -3548;
fpp = 2;
len = fmt_s16_dfp(out, val, fpp);
out[len] = '\0';
TEST_ASSERT_EQUAL_INT(6, len);
TEST_ASSERT_EQUAL_STRING("-35.48", (char *)out);
val = -23;
fpp = 4;
len = fmt_s16_dfp(out, val, fpp);
out[len] = '\0';
TEST_ASSERT_EQUAL_INT(7, len);
TEST_ASSERT_EQUAL_STRING("-0.0023", (char *)out);
val = 50;
fpp = 3;
len = fmt_s16_dfp(out, val, fpp);
out[len] = '\0';
TEST_ASSERT_EQUAL_INT(5, len);
TEST_ASSERT_EQUAL_STRING("0.050", (char *)out);
val = -12345;
fpp = 0;
len = fmt_s16_dfp(out, val, fpp);
out[len] = '\0';
TEST_ASSERT_EQUAL_INT(6, len);
TEST_ASSERT_EQUAL_STRING("-12345", (char *)out);
val = 31987;
fpp = 5;
len = fmt_s16_dfp(out, val, fpp);
out[len] = '\0';
TEST_ASSERT_EQUAL_INT(0, len);
TEST_ASSERT_EQUAL_STRING("", (char *)out);
}
