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帶簡(jiǎn)單算法
STM32單片機(jī)源程序如下:
- #include "MAX30102.h"
- #include "systick.h"
- uint16_t fifo_red;
- uint16_t fifo_ir;
-
- void MAX30102_GPIO(void)
- {
- RCC_APB2PeriphClockCmd(MAX30102_INTPin_CLK,ENABLE);
- GPIO_InitTypeDef GPIO_InitStruct;
- GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_InitStruct.GPIO_Pin = MAX30102_INTPin_Pin;
- GPIO_Init(MAX30102_INTPin_PORT,&GPIO_InitStruct);
-
- }
- uint8_t Max30102_reset(void)
- {
- if(IIC_Write_Byte(MAX30102_Device_address,REG_MODE_CONFIG, 0x40))
- return 1;
- else
- return 0;
- }
- void MAX30102_Config(void)
- {
- IIC_Write_Byte(MAX30102_Device_address,REG_INTR_ENABLE_1,0xc0);//// INTR setting
- IIC_Write_Byte(MAX30102_Device_address,REG_INTR_ENABLE_2,0x00);//
- IIC_Write_Byte(MAX30102_Device_address,REG_FIFO_WR_PTR,0x00);//FIFO_WR_PTR[4:0]
- IIC_Write_Byte(MAX30102_Device_address,REG_OVF_COUNTER,0x00);//OVF_COUNTER[4:0]
- IIC_Write_Byte(MAX30102_Device_address,REG_FIFO_RD_PTR,0x00);//FIFO_RD_PTR[4:0]
-
- IIC_Write_Byte(MAX30102_Device_address,REG_FIFO_CONFIG,0x0f);//sample avg = 1, fifo rollover=false, fifo almost full = 17
- IIC_Write_Byte(MAX30102_Device_address,REG_MODE_CONFIG,0x03);//0x02 for Red only, 0x03 for SpO2 mode 0x07 multimode LED
- IIC_Write_Byte(MAX30102_Device_address,REG_SPO2_CONFIG,0x27); // SPO2_ADC range = 4096nA, SPO2 sample rate (50 Hz), LED pulseWidth (400uS)
- IIC_Write_Byte(MAX30102_Device_address,REG_LED1_PA,0x32);//Choose value for ~ 10mA for LED1
- IIC_Write_Byte(MAX30102_Device_address,REG_LED2_PA,0x32);// Choose value for ~ 10mA for LED2
- IIC_Write_Byte(MAX30102_Device_address,REG_PILOT_PA,0x7f);// Choose value for ~ 25mA for Pilot LED
- }
- void max30102_read_fifo(void)
- {
- uint16_t un_temp;
- fifo_red=0;
- fifo_ir=0;
- uint8_t ach_i2c_data[6];
-
- //read and clear status register
- IIC_Read_Byte(MAX30102_Device_address,REG_INTR_STATUS_1);
- IIC_Read_Byte(MAX30102_Device_address,REG_INTR_STATUS_2);
-
- ach_i2c_data[0]=REG_FIFO_DATA;
-
- IIC_Read_Array(MAX30102_Device_address,REG_FIFO_DATA,ach_i2c_data,6);
-
- un_temp=ach_i2c_data[0];
- un_temp<<=14;
- fifo_red+=un_temp;
- un_temp=ach_i2c_data[1];
- un_temp<<=6;
- fifo_red+=un_temp;
- un_temp=ach_i2c_data[2];
- un_temp>>=2;
- fifo_red+=un_temp;
-
- un_temp=ach_i2c_data[3];
- un_temp<<=14;
- fifo_ir+=un_temp;
- un_temp=ach_i2c_data[4];
- un_temp<<=6;
- fifo_ir+=un_temp;
- un_temp=ach_i2c_data[5];
- un_temp>>=2;
- fifo_ir+=un_temp;
-
- if(fifo_ir<=10000)
- {
- fifo_ir=0;
- }
- if(fifo_red<=10000)
- {
- fifo_red=0;
- }
- }
stm32f103c8t6_MAX30102帶簡(jiǎn)單算法.7z
(2.17 MB, 下載次數(shù): 52)
2023-4-12 04:38 上傳
點(diǎn)擊文件名下載附件
下載積分: 黑幣 -5
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