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蓝牙协议完成

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lmx
2025-11-21 18:50:19 +08:00
parent 91b08dbe47
commit f3710fbb4b
3 changed files with 102 additions and 20 deletions
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18
apps/earphone/xtell_Sensor/sensor/BMP280.c
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@ -112,13 +112,14 @@ uint8_t bmp280_init(void) {
printf("bmp280 check diff:%d\n",id );
return 1; // ID不匹配
}
printf("bmp280 get id:0%X\n",id );
// 2. 软复位
bmp280_write_reg(BMP280_REG_RESET, 0xB6);
os_time_dly(10); // 等待复位完成
// 3. 一次性读取所有校准参数
if (bmp280_read_regs(BMP280_REG_CALIB_START, calib_data, 24) != 0) {
if (bmp280_read_regs(BMP280_REG_CALIB_START, calib_data, 24) == 0) {
return 2; // 读取校准数据失败
}
@ -147,18 +148,29 @@ uint8_t bmp280_init(void) {
os_time_dly(10); // 等待配置生效
printf("bmp280 init success\n");
return 0; // 初始化成功
}
/**
* @brief 获取转换后的温度和压力数据
*
* @param temperature 传出，温度
* @param pressure 传出，压力
* @return uint8_t
*/
uint8_t bmp280_read_data(float *temperature, float *pressure) {
uint8_t data[6];
int32_t adc_P, adc_T;
// printf("==========debug1===========\n");
// 一次性读取6个字节的温度和气压原始数据
if (bmp280_read_regs(BMP280_REG_PRESS_MSB, data, 6) != 0) {
if (bmp280_read_regs(BMP280_REG_PRESS_MSB, data, 6) == 0) {
printf("bmp280:read data error\n");
return 1; // 读取失败
}
// printf("==========debug2===========\n");
// 组合原始数据 (20位)
adc_P = (int32_t)((((uint32_t)(data[0])) << 12) | (((uint32_t)(data[1])) << 4) | (((uint32_t)(data[2])) >> 4));
adc_T = (int32_t)((((uint32_t)(data[3])) << 12) | (((uint32_t)(data[4])) << 4) | (((uint32_t)(data[5])) >> 4));
@ -167,9 +179,11 @@ uint8_t bmp280_read_data(float *temperature, float *pressure) {
if (adc_T == 0x80000 || adc_P == 0x80000) {
*temperature = 0.0f;
*pressure = 0.0f;
printf("bmp280:no data\n");
return 1;
}
// printf("==========debug3===========\n");
// 进行补偿计算
*temperature = compensate_temperature(adc_T);
*pressure = compensate_pressure(adc_P);