micro_climate/Drivers/HP203B/hp203b.c

#include "hp203b.h"
#include "i2c.h"
#include  "filter.h"
#include "anemometer_dev.h"


/**************************** 
*<EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>set_mode
*<EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ôӻ<EFBFBD>ģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
*
*<EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD>
*****************************/
void hp203_set_mode()
{
    uint8_t cmd[1] = {HP20X_CONVERT_OSR1024};
    HAL_I2C_Master_Transmit(&hi2c3, HP20X_ADDRESSCMD, cmd, 1, 0xff);
}


/**************************** 
*<EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>Hp203bReadPressure
*<EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Press--<EFBFBD><EFBFBD>ѹֵ
*			
*			 
*<EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD>
*****************************/
float Hp203bReadPressure(void)
{
    float ret = 0.0;
    long Hp203b_Pressure = 0;
    uint8_t Hp203bPressure_Temp[3] = {0};
    uint8_t read_command[1] = {HP20X_READ_P};

    HAL_I2C_Master_Transmit(&hi2c3, HP20X_ADDRESSCMD, read_command, 1, 0xff);
    HAL_I2C_Master_Receive(&hi2c3, HP20X_ADDRESSCMD, Hp203bPressure_Temp, 3, 0xff);
    
    Hp203b_Pressure = Hp203bPressure_Temp[0];
    Hp203b_Pressure <<= 8;
    Hp203b_Pressure |= Hp203bPressure_Temp[1];
    Hp203b_Pressure <<= 8;
    Hp203b_Pressure |= Hp203bPressure_Temp[2];
    
    Hp203b_Pressure = Hp203b_Pressure / 100;
    ret = Hp203b_Pressure;
    return ret;
}

/**************************** 
*<EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>get_press_data
*<EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Press--<EFBFBD><EFBFBD>ѹֵ
*			
*			 
*<EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD>
*****************************/
#define COLLECT_PRESS_DATA_NUM  10
BOOL get_press_data(void)
{   
    U_DataType collect_pressure[30]={0x00};
   
    for(int i=0; i<COLLECT_PRESS_DATA_NUM; i++){
        collect_pressure[i].fValue = Hp203bReadPressure();
        osDelay(1);
    }
    
    U_DataType tmp_press = filter_middle(collect_pressure, COLLECT_PRESS_DATA_NUM, FILTER_DATA_TYPE_FLOAT);
    if(tmp_press.fValue < 300)
    {
        tmp_press.fValue = 300;
        return FALSE;
    }
    if(tmp_press.fValue > 1200)
    {
        tmp_press.fValue = 1200;
        return FALSE;
    }
    
    g_stMcs_Para.pressure = tmp_press.fValue;
    return TRUE;
}