30102初始化失败，程序卡死在max30102_init();里

AbnerCl86 · 发表于 2021-5-11 15:16:27

主函数（部分）int main(void)
{
inv_error_t result;
unsigned char accel_fsr = 0;
unsigned short gyro_rate, gyro_fsr;
unsigned long timestamp;
struct int_param_s int_param;
  uint32_t un_min, un_max, un_prev_data;
int i;
int32_t n_brightness;
float f_temp;
// u8 temp_num=0;
u8 temp[6];
u8 str[100];
u8 dis_hr=0;
u8 dis_spo2=0;

delay_init();            //Ñóê±oˉêy3õê¼»ˉ
NVIC_Configuration();    //éèÖÃNVICÖD¶Ï·Ö×é2:2Î»ÇàÕ¼óÅÏè¼¶￡¬2Î»Ïìó|óÅÏè¼¶

SysTick_Init();
SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk;

LED_GPIO_Config();
LED_BLUE;

USART_Config();

EXTI_Pxy_Config();

I2C_Bus_Init();

OLED_Init();
OLED_ColorTurn(0);
OLED_DisplayTurn(0);
OLED_Clear();

  max30102_init(); //  --------------------------------程序死在这里
LED_YELLOW;
printf("mpu 6050 test start");

result = mpu_init(&int_param);
   if (result) {

............

void max30102_init(void)
{

GPIO_InitTypeDef GPIO_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC,ENABLE);
GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);

IIC_Init();

max30102_reset();

max30102_Bus_Write(REG_INTR_ENABLE_1,0xc0); // INTR setting
max30102_Bus_Write(REG_INTR_ENABLE_2,0x00);
max30102_Bus_Write(REG_FIFO_WR_PTR,0x00);    //FIFO_WR_PTR[4:0]
max30102_Bus_Write(REG_OVF_COUNTER,0x00);    //OVF_COUNTER[4:0]
max30102_Bus_Write(REG_FIFO_RD_PTR,0x00);    //FIFO_RD_PTR[4:0]
max30102_Bus_Write(REG_FIFO_CONFIG,0x0f);    //sample avg = 1, fifo rollover=false, fifo almost full = 17
max30102_Bus_Write(REG_MODE_CONFIG,0x03);    //0x02 for Red only, 0x03 for SpO2 mode 0x07 multimode LED
max30102_Bus_Write(REG_SPO2_CONFIG,0x27);    // SPO2_ADC range = 4096nA, SPO2 sample rate (100 Hz), LED pulseWidth (400uS)
max30102_Bus_Write(REG_LED1_PA,0x24);    //Choose value for ~ 7mA for LED1
max30102_Bus_Write(REG_LED2_PA,0x24);    // Choose value for ~ 7mA for LED2
max30102_Bus_Write(REG_PILOT_PA,0x7f);    // Choose value for ~ 25mA for Pilot LED

}

void max30102_reset(void)
{
max30102_Bus_Write(REG_MODE_CONFIG,0x40);
//max30102_Bus_Write(REG_MODE_CONFIG,0x40);
}

AbnerCl86 · 发表于 2021-5-11 16:32:12

u8 max30102_Bus_Write(u8 Register_Address, u8 Word_Data)
{

/* 2éóÃ′®DDEEPROMËæ¼′¶áè¡Ö¸áîDòáD￡¬á¬Dø¶áè¡èô¸é×Ö½ú */

/* μú12½￡o·￠ÆeI2C×üÏßÆô¶ˉDÅoÅ */
IIC_Start();

/* μú22½￡o·￠Æe¿ØÖÆ×Ö½ú￡¬¸ß7bitêÇμØÖ·￡¬bit0êÇ¶áD′¿ØÖÆÎ»￡¬0±íê¾D′￡¬1±íê¾¶á */
IIC_Send_Byte(max30102_WR_address | I2C_WR); /* ′Ë′|êÇD′Ö¸áî */

/* μú32½￡o·￠ËíACK */
if (IIC_Wait_Ack() != 0)
{
goto cmd_fail; /* EEPROMÆ÷¼tÎTó|′e */
}

/* μú42½￡o·￠Ëí×Ö½úμØÖ· */
IIC_Send_Byte(Register_Address);
if (IIC_Wait_Ack() != 0)
{
//goto cmd_fail; /* EEPROMÆ÷¼tÎTó|′e */
}

/* μú52½￡o¿aê¼D′èëêy¾Y */
IIC_Send_Byte(Word_Data);

/* μú62½￡o·￠ËíACK */
if (IIC_Wait_Ack() != 0)
{
//goto cmd_fail; /* EEPROMÆ÷¼tÎTó|′e */
}

/* ·￠ËíI2C×üÏßí￡Ö1DÅoÅ */
IIC_Stop();
return 1; /* Ö′DD3é1| */

cmd_fail:

IIC_Stop();
return 0;
}