#include <zephyr.h>
#include <device.h>
#include <drivers/spi.h>
#include <fs/fs.h>
#define SD_CARD_SPI_DEV "SPI_0"
#define PRESSURE_LOG_FILE "/sdcard/pressure_log.txt"
void main(void)
{
const struct device *spi_dev = device_get_binding(SD_CARD_SPI_DEV);
struct sensor_value pressure;
if (spi_dev == NULL) {
printk("Failed to bind to SPI device\n");
return;
}
struct fs_file_t file;
fs_open(&file, PRESSURE_LOG_FILE, FS_O_CREATE | FS_O_WRITE);
const struct device *bmp280 = device_get_binding(DT_LABEL(DT_INST(0, bosch_bmp280)));
while (1) {
sensor_sample_fetch(bmp280);
sensor_channel_get(bmp280, SENSOR_CHAN_PRESS, &pressure);
fs_write(&file, &pressure, sizeof(pressure));
fs_sync(&file);
k_sleep(K_SECONDS(10));
}
fs_close(&file);
}
#include <zephyr.h>
#include <device.h>
#include <drivers/spi.h>
#include <fs/fs.h>
#define SD_CARD_SPI_DEV "SPI_0"
#define PRESSURE_LOG_FILE "/sdcard/pressure_log.txt"
void main(void)
{
const struct device *spi_dev = device_get_binding(SD_CARD_SPI_DEV);
struct sensor_value pressure;
if (spi_dev == NULL) {
printk("Failed to bind to SPI device\n");
return;
}
struct fs_file_t file;
fs_open(&file, PRESSURE_LOG_FILE, FS_O_CREATE | FS_O_WRITE);
const struct device *bmp280 = device_get_binding(DT_LABEL(DT_INST(0, bosch_bmp280)));
while (1) {
sensor_sample_fetch(bmp280);
sensor_channel_get(bmp280, SENSOR_CHAN_PRESS, &pressure);
fs_write(&file, &pressure, sizeof(pressure));
fs_sync(&file);
k_sleep(K_SECONDS(10));
}
fs_close(&file);
}
