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fixed i2c addr, added wait for sensor to take initial readings before requesting them

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Brian
2026-04-06 12:57:44 -06:00
parent cc1500c426
commit ef5ff78b36
1 changed files with 4 additions and 3 deletions
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src/main.c
+4 -3
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@@ -35,8 +35,8 @@ int8_t check_file_exists(const char *filename)
void user_delay_ms(uint32_t period) void user_delay_ms(uint32_t period)
{ {
//usleep(period*1000); // if using gnu99 usleep(period*1000); // if using gnu99
sleep(period*1000); // if using c99 //sleep(period*1000); // if using c99
} }
#ifdef BME280_FLOAT_ENABLE #ifdef BME280_FLOAT_ENABLE
@@ -211,6 +211,7 @@ int8_t read_sensor_data_normal_mode(struct bme280_dev *dev)
settings_sel |= BME280_FILTER_SEL; settings_sel |= BME280_FILTER_SEL;
readings_result = bme280_set_sensor_settings(settings_sel, dev); readings_result = bme280_set_sensor_settings(settings_sel, dev);
readings_result = bme280_set_sensor_mode(BME280_NORMAL_MODE, dev); readings_result = bme280_set_sensor_mode(BME280_NORMAL_MODE, dev);
dev->delay_ms(200); // wait for first measurement
readings_result = bme280_get_sensor_data(BME280_ALL, &sensor_readings_data, dev); readings_result = bme280_get_sensor_data(BME280_ALL, &sensor_readings_data, dev);
print_sensor_data(&sensor_readings_data); print_sensor_data(&sensor_readings_data);
//save_data_to_json_file(&sensor_readings_data); //save_data_to_json_file(&sensor_readings_data);
@@ -227,7 +228,7 @@ int main(int argc, char* argv[])
printf("Failed to open the i2c bus %s", argv[1]); printf("Failed to open the i2c bus %s", argv[1]);
exit(1); exit(1);
} }
if (ioctl(file_descriptor, I2C_SLAVE, 0x76) < 0) { if (ioctl(file_descriptor, I2C_SLAVE, 0x77) < 0) {
printf("Failed to acquire bus access and/or talk to slave.\n"); printf("Failed to acquire bus access and/or talk to slave.\n");
exit(1); exit(1);
} }