83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
#include "hp203b.h"
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#include "i2c.h"
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#include "filter.h"
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#include "anemometer_dev.h"
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/****************************
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*名称：set_mode
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*功能：配置从机模式，设置通道及采样率
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*参数：无
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*
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*
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*返回：无
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*****************************/
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void hp203_set_mode()
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{
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uint8_t cmd[1] = {HP20X_CONVERT_OSR1024};
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HAL_I2C_Master_Transmit(&hi2c3, HP20X_ADDRESSCMD, cmd, 1, 0xff);
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}
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/****************************
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*名称：Hp203bReadPressure
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*功能：获取气压数据
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*参数：Press--气压值
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*
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*
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*返回：无
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*****************************/
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float Hp203bReadPressure(void)
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{
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float ret = 0.0;
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long Hp203b_Pressure = 0;
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uint8_t Hp203bPressure_Temp[3] = {0};
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uint8_t read_command[1] = {HP20X_READ_P};
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HAL_I2C_Master_Transmit(&hi2c3, HP20X_ADDRESSCMD, read_command, 1, 0xff);
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HAL_I2C_Master_Receive(&hi2c3, HP20X_ADDRESSCMD, Hp203bPressure_Temp, 3, 0xff);
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Hp203b_Pressure = Hp203bPressure_Temp[0];
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Hp203b_Pressure <<= 8;
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Hp203b_Pressure |= Hp203bPressure_Temp[1];
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Hp203b_Pressure <<= 8;
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Hp203b_Pressure |= Hp203bPressure_Temp[2];
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Hp203b_Pressure = Hp203b_Pressure / 100;
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ret = Hp203b_Pressure;
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return ret;
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}
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/****************************
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*名称：get_press_data
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*功能：获取气压数据
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*参数：Press--气压值
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*
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*
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*返回：无
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*****************************/
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#define COLLECT_PRESS_DATA_NUM 10
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BOOL get_press_data(void)
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{
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U_DataType collect_pressure[30]={0x00};
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for(int i=0; i<COLLECT_PRESS_DATA_NUM; i++){
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collect_pressure[i].fValue = Hp203bReadPressure();
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osDelay(1);
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}
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U_DataType tmp_press = filter_middle(collect_pressure, COLLECT_PRESS_DATA_NUM, FILTER_DATA_TYPE_FLOAT);
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if(tmp_press.fValue < 300)
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{
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tmp_press.fValue = 300;
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return FALSE;
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}
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if(tmp_press.fValue > 1200)
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{
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tmp_press.fValue = 1200;
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return FALSE;
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}
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g_stMcs_Para.pressure = tmp_press.fValue;
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return TRUE;
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} |