#include "bmp3.h"
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#include "main.h"
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//ÔÚLIS3DHÀïÃæµÄÖ¸¶¨µØÖ·¿ªÊ¼¶ÁÒ»×Ö½ÚÊý¾Ý
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//ReadAddr :¶Á³öµÄµØÖ·
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//·µ»ØÖµ :¶Á³öµÄÊý¾Ý
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uint8_t BMP390_ReadOneByte(uint8_t ReadAddr)
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{
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uint8_t temp=0;
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IIC2_Start();
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IIC2_Send_Byte(0Xee); //·¢ËÍдÃüÁî
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IIC2_Wait_Ack();
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IIC2_Send_Byte(ReadAddr); //·¢ËͶÁµØÖ·
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IIC2_Wait_Ack();
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IIC2_Start();
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IIC2_Send_Byte(0Xef); //·¢ËͶÁÃüÁ½øÈë½ÓÊÕģʽ
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IIC2_Wait_Ack();
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temp=IIC2_Read_Byte(0);
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IIC2_Stop(); //²úÉúÒ»¸öÍ£Ö¹Ìõ¼þ
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return temp;
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}
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//ÔÚLIS3DHÖ¸¶¨µØַдÈëÒ»¸öÊý¾Ý
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//WriteAddr :дÈëÊý¾ÝµÄÄ¿µÄµØÖ·
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//DataToWrite:ҪдÈëµÄÊý¾Ý
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void BMP390_WriteOneByte(uint8_t WriteAddr,uint8_t DataToWrite)
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{
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IIC2_Start();
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IIC2_Send_Byte(0Xee); //·¢ËÍдÃüÁî
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IIC2_Wait_Ack();
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IIC2_Send_Byte(WriteAddr); //·¢Ë͵ØÖ·
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IIC2_Wait_Ack();
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IIC2_Send_Byte(DataToWrite); //·¢ËÍ×Ö½Ú
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IIC2_Wait_Ack();
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IIC2_Stop();//²úÉúÒ»¸öÍ£Ö¹Ìõ¼þ
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delay_us(10);
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}
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uint8_t BMP390_WriteLenByte(uint8_t WriteAddr,uint8_t* buffer,uint8_t Len,void *intf_ptr)
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{
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uint8_t t,temp[200];
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memcpy(temp,buffer,Len);
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for(t=0;t<Len;t++)
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{
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BMP390_WriteOneByte(WriteAddr+t,temp[t]);
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}
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return 0;
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}
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//ÔÚAT24CXXÀïÃæµÄÖ¸¶¨µØÖ·¿ªÊ¼¶Á³ö³¤¶ÈΪLenµÄÊý¾Ý
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//¸Ãº¯ÊýÓÃÓÚ¶Á³ö16bit»òÕß32bitµÄÊý¾Ý.
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//ReadAddr :¿ªÊ¼¶Á³öµÄµØÖ·
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//·µ»ØÖµ :Êý¾Ý
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//Len :Òª¶Á³öÊý¾ÝµÄ³¤¶È2,4
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uint8_t BMP390_ReadLenByte(uint8_t ReadAddr,uint8_t* buffer,uint8_t Len,void *intf_ptr)
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{
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uint8_t t;
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uint8_t temp=0;
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for(t=0;t<Len;t++)
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{
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temp=BMP390_ReadOneByte(ReadAddr+t);
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memcpy(buffer++,&temp,1);
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}
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return 0;
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}
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void delay_us2(uint32_t nTimer)
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{
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uint32_t i=0;
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for(i=0;i<nTimer;i++){
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__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
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__NOP();__NOP();__NOP();__NOP();
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}
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}
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int8_t rslt;
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uint8_t loop = 0;
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uint16_t settings_sel;
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struct bmp3_dev dev;
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struct bmp3_data data = { 0 };
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struct bmp3_settings settings = { 0 };
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struct bmp3_status status = { { 0 } };
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#define ITERATION UINT8_C(100)
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float Altitude2;
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uint8_t data_read[10],data_write[10] = {1,2,3,4,5,6,7,8,9,10};
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//#define FIFO_FRAME_COUNT UINT8_C(50)
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///* Maximum FIFO size */
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//#define FIFO_MAX_SIZE UINT16_C(100)
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// struct bmp3_dev dev;
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// int8_t rslt;
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//uint8_t try = 1;
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//static uint8_t index = 0;
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//uint16_t settings_sel;
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//uint16_t settings_fifo;
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//uint16_t fifo_length = 0;
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//uint8_t fifo_data[FIFO_MAX_SIZE];
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//struct bmp3_data fifo_p_t_data[FIFO_MAX_SIZE];
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//struct bmp3_fifo_settings fifo_settings;
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//struct bmp3_settings settings;
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//struct bmp3_fifo_data fifo;
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//struct bmp3_status status;
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///* Iteration count to run example code */
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//void Bmp390Init2(void)
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//{
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//
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// dev.chip_id = 0xee;
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// dev.intf = BMP3_I2C_INTF;
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// dev.read = &BMP390_ReadLenByte;
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// dev.write = &BMP390_WriteLenByte;
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// dev.delay_us = delay_us2;
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// rslt = bmp3_init(&dev);
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// // bmp3_check_rslt("bmp3_init", rslt);
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// fifo_settings.mode = BMP3_ENABLE;
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// fifo_settings.press_en = BMP3_ENABLE;
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// fifo_settings.temp_en = BMP3_ENABLE;
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// fifo_settings.filter_en = BMP3_ENABLE;
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// fifo_settings.down_sampling = BMP3_FIFO_NO_SUBSAMPLING;
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// fifo_settings.ffull_en = BMP3_ENABLE;
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// fifo.buffer = fifo_data;
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// fifo.req_frames = FIFO_FRAME_COUNT;
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// settings.press_en = BMP3_ENABLE;
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// settings.temp_en = BMP3_ENABLE;
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// settings.odr_filter.press_os = BMP3_NO_OVERSAMPLING;
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// settings.odr_filter.temp_os = BMP3_NO_OVERSAMPLING;
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// settings.odr_filter.odr = BMP3_ODR_50_HZ;
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// settings_sel = BMP3_SEL_PRESS_EN | BMP3_SEL_TEMP_EN | BMP3_SEL_PRESS_OS | BMP3_SEL_TEMP_OS | BMP3_SEL_ODR;
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// settings_fifo = BMP3_SEL_FIFO_MODE | BMP3_SEL_FIFO_PRESS_EN | BMP3_SEL_FIFO_TEMP_EN | BMP3_SEL_FIFO_FULL_EN |
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// BMP3_SEL_FIFO_DOWN_SAMPLING | BMP3_SEL_FIFO_FILTER_EN;
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// rslt = bmp3_set_sensor_settings(settings_sel, &settings, &dev);
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// // bmp3_check_rslt("bmp3_set_sensor_settings", rslt);
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// settings.op_mode = BMP3_MODE_NORMAL;
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// rslt = bmp3_set_op_mode(&settings, &dev);
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// // bmp3_check_rslt("bmp3_set_op_mode", rslt);
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// rslt = bmp3_set_fifo_settings(settings_fifo, &fifo_settings, &dev);
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// // bmp3_check_rslt("bmp3_set_fifo_settings", rslt);
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// rslt = bmp3_get_fifo_settings(&fifo_settings, &dev);
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// // bmp3_check_rslt("bmp3_get_fifo_settings", rslt);
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// // printf("Read Fifo full interrupt data\n");
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// while (try <= ITERATION)
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// {
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// rslt = bmp3_get_status(&status, &dev);
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// // bmp3_check_rslt("bmp3_get_status", rslt);
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// if ((rslt == BMP3_OK) && (status.intr.fifo_full == BMP3_ENABLE))
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// {
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// rslt = bmp3_get_fifo_length(&fifo_length, &dev);
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// // bmp3_check_rslt("bmp3_get_fifo_length", rslt);
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// rslt = bmp3_get_fifo_data(&fifo, &fifo_settings, &dev);
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// // bmp3_check_rslt("bmp3_get_fifo_data", rslt);
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// /* NOTE : Read status register again to clear FIFO Full interrupt status */
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// rslt = bmp3_get_status(&status, &dev);
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// // bmp3_check_rslt("bmp3_get_status", rslt);
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// if (rslt == BMP3_OK)
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// {
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//// printf("\nIteration : %d\n", try);
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//// printf("Available fifo length : %d\n", fifo_length);
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//// printf("Fifo byte count from fifo structure : %d\n", fifo.byte_count);
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//// printf("FIFO frames requested : %d\n", fifo.req_frames);
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// rslt = bmp3_extract_fifo_data(fifo_p_t_data, &fifo, &dev);
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// // bmp3_check_rslt("bmp3_extract_fifo_data", rslt);
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// // printf("FIFO frames extracted : %d\n", fifo.parsed_frames);
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// for (index = 0; index < fifo.parsed_frames; index++)
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// {
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// #ifdef BMP3_FLOAT_COMPENSATION
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// // printf("Frame[%d] T: %.2f deg C, P: %.2f Pa\n", index, (fifo_p_t_data[index].temperature),
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// // (fifo_p_t_data[index].pressure));
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// #else
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// printf("Frame[%d] T: %ld deg C, P: %lu Pa\n", index,
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// (long int)(int32_t)(fifo_p_t_data[index].temperature / 100),
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// (long unsigned int)(uint32_t)(fifo_p_t_data[index].pressure / 100));
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// #endif
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// }
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// }
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// try++;
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// }
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// }
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//}
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u8 reg_data[5],write_data[2],temp3;
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int Bmp390Init(void)
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{
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/* Interface reference is given as a parameter
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* For I2C : BMP3_I2C_INTF
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* For SPI : BMP3_SPI_INTF
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*/
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// rslt = bmp3_interface_init(&dev, BMP3_I2C_INTF);
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// bmp3_check_rslt("bmp3_interface_init", rslt);
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dev.chip_id = 0xee;
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dev.intf = BMP3_I2C_INTF;
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dev.read = &BMP390_ReadLenByte;
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dev.write = &BMP390_WriteLenByte;
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dev.delay_us = delay_us2;
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rslt = bmp3_init(&dev);
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// bmp3_check_rslt("bmp3_init", rslt);
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settings.int_settings.drdy_en = BMP3_ENABLE;
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settings.press_en = BMP3_ENABLE;
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settings.temp_en = BMP3_ENABLE;
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settings.odr_filter.press_os = BMP3_OVERSAMPLING_32X;
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settings.odr_filter.temp_os = BMP3_OVERSAMPLING_2X;
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settings.odr_filter.iir_filter = BMP3_IIR_FILTER_COEFF_7;
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settings.odr_filter.odr = BMP3_ODR_6_25_HZ;
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settings_sel = BMP3_SEL_PRESS_EN |BMP3_SEL_IIR_FILTER| BMP3_SEL_TEMP_EN | BMP3_SEL_PRESS_OS | BMP3_SEL_TEMP_OS | BMP3_SEL_ODR |
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BMP3_SEL_DRDY_EN;
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rslt = bmp3_set_sensor_settings(settings_sel, &settings, &dev);
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// bmp3_check_rslt("bmp3_set_sensor_settings", rslt);
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settings.op_mode = BMP3_MODE_NORMAL;
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rslt = bmp3_set_op_mode(&settings, &dev);
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// bmp3_check_rslt("bmp3_set_op_mode", rslt);
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write_data[0]=BMP3_IIR_FILTER_COEFF_7<<1;
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temp3 = BMP3_REG_CONFIG;
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bmp3_set_regs(&temp3, write_data, 1, &dev);
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bmp3_get_regs(temp3, reg_data, 1, &dev);
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while (1)
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{
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rslt = bmp3_get_status(&status, &dev);
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// bmp3_check_rslt("bmp3_get_status", rslt);
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/* Read temperature and pressure data iteratively based on data ready interrupt */
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if ((rslt == BMP3_OK) && (status.intr.drdy == BMP3_ENABLE))
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{
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/*
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* First parameter indicates the type of data to be read
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* BMP3_PRESS_TEMP : To read pressure and temperature data
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* BMP3_TEMP : To read only temperature data
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* BMP3_PRESS : To read only pressure data
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*/
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rslt = bmp3_get_sensor_data(BMP3_PRESS_TEMP, &data, &dev);
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// bmp3_check_rslt("bmp3_get_sensor_data", rslt);
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/* NOTE : Read status register again to clear data ready interrupt status */
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rslt = bmp3_get_status(&status, &dev);
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// bmp3_check_rslt("bmp3_get_status", rslt);
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Altitude2 = 44330*(1-pow(data.pressure/101325.0,1.0/5.255));
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#ifdef BMP3_FLOAT_COMPENSATION
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// printf("Data[%d] T: %.2f deg C, P: %.2f Pa\n", loop, (data.temperature), (data.pressure));
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#else
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printf("Data[%d] T: %ld deg C, P: %lu Pa\n", loop, (long int)(int32_t)(data.temperature / 100),
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(long unsigned int)(uint32_t)(data.pressure / 100));
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#endif
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loop = loop + 1;
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}
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}
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// bmp3_coines_deinit();
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return rslt;
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}
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