49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
#include "hp203b.h"
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#include "i2c.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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long Hp203b_Pressure = 0;
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uint8_t Hp203bPressure_Temp[3] = {0};
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void Hp203bReadPressure(void)
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{
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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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g_stMcs_Para.pressure = Hp203b_Pressure;
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}
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