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rpr-0521rs传感器驱动

2019-3-7 15:51:39 4561 传感器驱动

0 #include #include #include "stdio.h" #define debug_printf 1 void sensor_init(void) { GPIO_InitTypeDef GPIO_InitStructure; EXti_InitTypeDef EXTI_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;//输入 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//拉高 GPIO_Init(GPIOB, &GPIO_InitStructure); SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, EXTI_PinSource2); EXTI_InitStructure.EXTI_Line = EXTI_Line2;//中断线2 EXTI_InitStructure.EXTI_LineCmd = ENABLE; EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;//下降边沿触发 EXTI_Init(&EXTI_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = EXTI2_3_IRQn; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_InitStructure.NVIC_IRQChannelPriority = 0x01; NVIC_Init(&NVIC_InitStructure); } void test_RPR0521(void) { uint8_t buf[256]; RPR_Sensor_Read(RPR0521RS_DEVICE_ADDRESS,0x92,buf,1); // check ID if(buf[0] == 0xE0) { #ifdef debug_printf printf("rnRPR0521 detected."); #endif } else { #ifdef debug_printf printf("rnNo response."); printf("rnbuf[0] = %x",buf[0]); #endif return; } buf[0]=0x41; buf[1]=0xC6; // enable ALS, PS, 100ms/100ms buf[2]=0x02; // ALS Gain x1 ,PS Gain x4 buf[3]=0x20; // RPR_Sensor_Write(RPR0521RS_DEVICE_ADDRESS, buf, 4); // RPR_Sensor_Read(RPR0521RS_DEVICE_ADDRESS,0x41,buf,1); // check ID // printf("the writing data 0x41 is %xn",buf[0]); // RPR_Sensor_Read(RPR0521RS_DEVICE_ADDRESS,0x42,buf,1); // check ID // printf("the writing data 0x42 is %xn",buf[0]); // RPR_Sensor_Read(RPR0521RS_DEVICE_ADDRESS,0x43,buf,1); // check ID // printf("the writing data 0x43 is %xn",buf[0]); #ifdef debug_printf printf("rnWrite CONTROL regs"); #endif buf[0]=0x4A; buf[1]=0x80; // unlatched //buf[1]=0x80; RPR_Sensor_Write(RPR0521RS_DEVICE_ADDRESS, buf, 2); // RPR_Sensor_Read(RPR0521RS_DEVICE_ADDRESS,0x4a,buf,1); // printf("the writing data 0x4a is %xn",buf[0]); #ifdef debug_printf printf("rnWrite INTERRUPT reg"); #endif buf[0]=0x51; buf[1]=0xfe; buf[2]=0xff; RPR_Sensor_Write(RPR0521RS_DEVICE_ADDRESS, buf, 3); // RPR_Sensor_Read(RPR0521RS_DEVICE_ADDRESS,0x51,buf,1); // printf("the writing data 0x51 is %xn",buf[0]); // RPR_Sensor_Read(RPR0521RS_DEVICE_ADDRESS,0x52,buf,1); // printf("the writing data 0x52 is %xn",buf[0]); #ifdef debug_printf printf("rnWrite ALS TL"); #endif // for(;;) // { RPR_Sensor_Read(RPR0521RS_DEVICE_ADDRESS,0x4a,buf,1); // INTERRUPT if(buf[0] & 0x40) // ALS status { uint16_t d=(uint16_t )buf; RPR_Sensor_Read(RPR0521RS_DEVICE_ADDRESS,0x44,buf,6); // read PS,ALS #ifdef debug_printf printf("rnPS: %d",d[0]); printf(", ALS: %d,%dn",d[1],d[2]); #endif } // } } //#define debug_printf 1 //uint8_t _als_data0_gain; //uint8_t _als_data1_gain; //uint16_t _als_measure_time; //uint8_t init_rpr_sensor(void) //{ // uint8_t rc; // uint8_t reg; // uint8_t index; // uint8_t als_gain_table[] = {1, 2, 64, 128}; // uint16_t als_meas_time_table[20] = {0,0,0,0,0,100,100,100,100,100,400,400,50,0,0,0}; // // rc = sensor_read(RPR0521RS_SYSTEM_CONTROL, ®, sizeof(reg));/***********************************/ // if (rc != 0) // { // #ifdef debug_printf // printf("Can't access RPR0521RSn"); // #endif // return (rc); // } // reg &= 0x3F; // #ifdef debug_printf // printf("RPR0521RS Part ID Register Value = %xn",reg); // #endif // if (reg != RPR0521RS_PART_ID_VAL) // { // #ifdef debug_printf // printf("Can't find RPR0521RSn"); // #endif // return (rc); // } // // rc = sensor_read(RPR0521RS_MANUFACT_ID, ®, sizeof(reg)); // if (rc != 0) // { // #ifdef debug_printf // printf("Can't access RPR0521RS"); // #endif // return (rc); // } // #ifdef debug_printf // printf("RPR0521RS MANUFACT_ID Register Value = %xn",reg); // #endif // if (reg != RPR0521RS_MANUFACT_ID_VAL) // { // #ifdef debug_printf // printf("Can't find RPR0521RS"); // #endif // return (rc); // } // reg = RPR0521RS_ALS_PS_CONTROL_VAL; // rc = sensor_write(RPR0521RS_ALS_PS_CONTROL, ®, sizeof(reg)); // if (rc != 0) // { // #ifdef debug_printf // printf("Can't write RPR0521RS ALS_PS_CONTROL registern"); // #endif // return (rc); // } // rc = sensor_read(RPR0521RS_PS_CONTROL, ®, sizeof(reg)); // if (rc != 0) // { // #ifdef debug_printf // printf("Can't read RPR0521RS PS_CONTROL registern"); // #endif // return (rc); // } // reg \|= RPR0521RS_PS_CONTROL_VAL; // rc = sensor_write(RPR0521RS_PS_CONTROL, ®, sizeof(reg)); // if (rc != 0) // { // #ifdef debug_printf // printf("Can't write RPR0521RS PS_CONTROL registern"); // #endif // return (rc);/*******************/ // } // reg = RPR0521RS_MODE_CONTROL_VAL; // rc = sensor_write(RPR0521RS_MODE_CONTROL, ®, sizeof(reg)); // if (rc != 0) // { // #ifdef debug_printf // printf("Can't write RPR0521RS MODE CONTROL register"); // #endif // return (rc); // } // reg = RPR0521RS_ALS_PS_CONTROL_VAL; // index = (reg >> 4) & 0x03; // _als_data0_gain = als_gain_table[index]; // index = (reg >> 2) & 0x03; // _als_data1_gain = als_gain_table[index]; // index = RPR0521RS_MODE_CONTROL_VAL & 0x0F; // _als_measure_time = als_meas_time_table[index]; // // return (rc); //} //uint8_t sensor_get_rawpsalsval(uint8_t data) //{ // uint8_t rc; // rc = sensor_read(RPR0521RS_PS_DATA_LSB, data, 6); // if (rc != 0) // { // #ifdef debug_iic // printf("Can't get RPR0521RS PS/ALS_DATA valuen"); // #endif // } // return (rc); //} //uint8_t sensor_get_psalsval(uint16_t ps, float als) //{ // uint8_t rc; // unsigned char val[6]; // uint16_t rawps; // uint16_t rawals[2]; // // rc = sensor_get_rawpsalsval(val); // if (rc != 0) // { // return (rc); // } // rawps = ((uint16_t)val[1] << 8) \| val[0]; // rawals[0] = ((uint16_t)val[3] << 8) \| val[2]; // rawals[1] = ((uint16_t)val[5] << 8) \| val[4]; // ps = rawps; // als = sensor_convert_lx(rawals); // return (rc); //} //uint8_t sensor_check_near_far(uint16_t data) //{ // if (data >= RPR0521RS_NEAR_THRESH) // { // return (RPR0521RS_NEAR_VAL); // } // else // { // return (RPR0521RS_FAR_VAL); // } //} //float sensor_convert_lx(uint16_t data) //{ // float lx; // float d0, d1, d1_d0; // if (_als_data0_gain == 0) // { // return (RPR0521RS_ERROR); // } // if (_als_data1_gain == 0) // { // return (RPR0521RS_ERROR); // } // if (_als_measure_time == 0) // { // return (RPR0521RS_ERROR); // } // else if (_als_measure_time == 50) // { // if ((data[0] & 0x8000) == 0x8000) // { // data[0] = 0x7FFF; // } // if ((data[1] & 0x8000) == 0x8000) // { // data[1] = 0x7FFF; // } // } // d0 = (float)data[0] (100 / _als_measure_time) / _als_data0_gain; // d1 = (float)data[1] * (100 / _als_measure_time) / _als_data1_gain; // if (d0 == 0) // { // lx = 0; // return (lx); // } // d1_d0 = d1 / d0; // if (d1_d0 < 0.595) // { // lx = (1.682 * d0 - 1.877 * d1); // } // else if (d1_d0 < 1.015) // { // lx = (0.644 * d0 - 0.132 * d1); // } // else if (d1_d0 < 1.352) // { // lx = (0.756 * d0 - 0.243 * d1); // } // else if (d1_d0 < 3.053) // { // lx = (0.766 * d0 - 0.25 * d1); // } // else // { // lx = 0; // } // return (lx); //} //uint8_t sensor_write(unsigned char memory_address, unsigned char data, unsigned char size) //{ // uint8_t i; // IIC_Start(); // if(RPR0521RS_DEVICE_ADDRESS == 0xA0) //eeprom地址大于1字节 // IIC_Send_Byte(0xA0 + ((memory_address/256)<<1));//发送高地址 // else // IIC_Send_Byte(RPR0521RS_DEVICE_ADDRESS); //发器件地址 // IIC_Wait_Ack(); // IIC_Send_Byte(memory_address&0xFF); //发送低地址 // IIC_Wait_Ack(); // for ( i = 0; i < size; i++ ) // { // IIC_Send_Byte((data+i)); //发送字节 // IIC_Wait_Ack(); // } // IIC_Stop();//产生一个停止条件 // if(RPR0521RS_DEVICE_ADDRESS == 0xA0) // // Delay_nus(500); // else // Delay_nus(2); // return 0; //} //uint8_t sensor_read(unsigned char memory_address, unsigned char data, int size) //{ // uint8_t rc = 0; // uint8_t i; // IIC_Start(); // if(RPR0521RS_DEVICE_ADDRESS==0xA0) // IIC_Send_Byte(0xA0 + ((memory_address/256)<<1)); // else // IIC_Send_Byte(RPR0521RS_DEVICE_ADDRESS); // IIC_Wait_Ack(); // IIC_Send_Byte(memory_address&0xFF); //发送低地址 // IIC_Wait_Ack(); // // IIC_Start(); // IIC_Send_Byte(RPR0521RS_DEVICE_ADDRESS+1); //发器件地址 // IIC_Wait_Ack(); // // for( i = 0; i < size; i++) // { // (data + i) = IIC_Receive_Byte(1); // IIC_Wait_Ack(); // } // // IIC_Stop();//产生一个停止条件 // return rc; //} //byte RPR0521RS::read(unsigned char memory_address, unsigned char data, int size) //{ // byte rc; // unsigned char cnt; // Wire.beginTransmission(RPR0521RS_DEVICE_ADDRESS); // Wire.write(memory_address); // rc = Wire.endTransmission(false); // if (rc != 0) { // return (rc); // } // Wire.requestFrom(RPR0521RS_DEVICE_ADDRESS, size, true); // cnt = 0; // while(Wire.available()) { // data[cnt] = Wire.read(); // cnt++; // } // return (0); //} 复制代码* 1
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