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rx8025t_drive_function.h
#ifndef __RX8025T_DRIVE_FUNCTION_H #define __RX8025T_DRIVE_FUNCTION_H #include "main.h" #define RX8025T_Update 0x00 //0x00:不更新数据 0x01：更新数据 /****************************************************************************** 时间寄存器地址 ******************************************************************************/ // 设备读写地址 #define RX8025_Address_Read_Enabled 0x65 #define RX8025_Address_Write_Enabled 0x64 // 设备寄存器地址 #define RX8025_Address_Second 0x00 #define RX8025_Address_Minute 0x01 #define RX8025_Address_Hour 0x02 #define RX8025_Address_Week 0x03 #define RX8025_Address_Date 0x04 #define RX8025_Address_Month 0x05 #define RX8025_Address_Year 0x06 #define RX8025_Address_Timer_Counter_0 0x0B #define RX8025_Address_Timer_Counter_1 0x0C #define RX8025_Address_Extension_Register 0x0D #define RX8025_Address_Flag_Register 0x0E #define RX8025_Address_Control_Register 0x0F // 设备操作模式 #define RX8025_WRITE_MODE 0xF0 #define RX8025_READ_MODE 0xF0 #define RX8025_SIMP_READ_MODE 0x04 /****************************************************************************** 定义时间结构 ******************************************************************************/ typedef struct RX8025T_Time_Typedef { uint8_t year; //年 uint8_t month; //月 uint8_t date; //日 uint8_t week; //星期 uint8_t hour; //小时 uint8_t minute; //分钟 uint8_t second; //秒钟 }RX8025T_Time_Typedef; #define RX8025T_I2C_Start I2C_1_Start #define RX8025T_I2C_Stop I2C_1_Stop #define RX8025T_I2C_SendData I2C_1_SendData #define RX8025T_I2C_ReceiveData I2C_1_ReceiveData #define RX8025T_I2C_Wait_Ack I2C_1_Wait_Ack #define RX8025T_I2C_Ack I2C_1_Ack #define RX8025T_I2C_NAck I2C_1_NAck void RX8025T_Time_Init(void); void RX8025T_Write_Time(RX8025T_Time_Typedef *Time); void RX8025T_Read_Time(RX8025T_Time_Typedef* Time); void RX8025T_Time_Revise(RX8025T_Time_Typedef* Time); extern RX8025T_Time_Typedef RX8025T_Time_Value; #endif
rx8025t_drive_function.c
#include "rx8025t_drive_function.h" RX8025T_Time_Typedef RX8025T_Time_Value; uint8_t RX8025T_Time_Revise_Flag = 0; /******************************************************************************* * 函数名: BCD2HEX * 描述 : BCD转为HEX * 参数 : BCD码 * 返回值: HEX码 *******************************************************************************/ uint8_t BCD2_HEX(uint8_t bcd_data) { uint8_t temp; temp=(bcd_data>>4)*10 + (bcd_data&0x0f); return temp; } /******************************************************************************* * 函数名: HEX2BCD * 描述 : HEX转为BCD * 参数 : -hex_data:十六进制数 * 返回值: BCD码 *******************************************************************************/ uint8_t HEX2_BCD(uint8_t hex_data) { uint8_t temp; temp=((hex_data/10)<<4) + (hex_data%10); return temp; } /** * @brief 向RX8025T某地址写入一个数据 * @param Write_Addr：要操作的地址 Write_Data：要写入的数据 * @retval 无 */ static uint8_t RX8025T_Write_Byte(uint8_t Write_Addr, uint8_t Write_Data) { RX8025T_I2C_Start(); RX8025T_I2C_SendData(RX8025_Address_Write_Enabled); //要操作的从机地址和写操作指令 if(RX8025T_I2C_Wait_Ack()) //检测ACK信号 { RX8025T_I2C_Stop(); return 1; } RX8025T_I2C_SendData(Write_Addr); //写寄存器存储地址 if(RX8025T_I2C_Wait_Ack()) { RX8025T_I2C_Stop(); return 1; } RX8025T_I2C_SendData(Write_Data); if(RX8025T_I2C_Wait_Ack()) { RX8025T_I2C_Stop(); return 1; } RX8025T_I2C_Stop(); return 0; } /** * @brief 向RX8025T某地址写入多个数据 * @param Write_Addr：要操作的地址 Write_Num：要写入的数据个数 p_Write_Buffer：要写入的数据 * @retval 无 */ static uint8_t RX8025T_Write_Bytes(uint8_t Write_Addr, uint32_t Write_Num, uint8_t *p_Write_Buffer) { RX8025T_I2C_Start(); RX8025T_I2C_SendData(RX8025_Address_Write_Enabled); //要操作的从机地址和写操作指令 if(RX8025T_I2C_Wait_Ack()) //检测ACK信号 { RX8025T_I2C_Stop(); return 1; } RX8025T_I2C_SendData(Write_Addr); //写寄存器存储地址 if(RX8025T_I2C_Wait_Ack()) { RX8025T_I2C_Stop(); return 1; } for(int i=0; i<Write_Num; i++) //连续写 { RX8025T_I2C_SendData(p_Write_Buffer[i]); if(RX8025T_I2C_Wait_Ack()) { RX8025T_I2C_Stop(); return 1; } } RX8025T_I2C_Stop(); return 0; } /** * @brief 从RX8025T某地址读一个数据 * @param Read_Addr：要操作的地址 * @retval 读到的数据 */ static uint8_t RX8025T_Read_Byte(uint8_t Read_Addr) { uint8_t Read_Data; RX8025T_I2C_Start(); RX8025T_I2C_SendData(RX8025_Address_Write_Enabled); //要操作的从机地址和写操作指令 if(RX8025T_I2C_Wait_Ack()) { RX8025T_I2C_Stop(); return 1; } RX8025T_I2C_SendData(Read_Addr); //发送要读取的寄存器地址 if(RX8025T_I2C_Wait_Ack()) { RX8025T_I2C_Stop(); return 1; } RX8025T_I2C_Start(); //重新产生起始信号 RX8025T_I2C_SendData(RX8025_Address_Read_Enabled); //读操作指令 if(RX8025T_I2C_Wait_Ack()) { RX8025T_I2C_Stop(); return 1; } Read_Data = RX8025T_I2C_ReceiveData(1); //接收完发送一个非应答信号 RX8025T_I2C_Stop(); return Read_Data; } /** * @brief 从RX8025T某地址读多个数据 * @param Read_Addr：要操作的地址 Read_Num：要读取的数量 p_Read_Data：缓存读到的数据 * @retval 读到的数据 */ static uint8_t RX8025T_Read_Bytes(uint8_t Read_Addr, uint32_t Read_Num, uint8_t *p_Read_Data) { RX8025T_I2C_Start(); RX8025T_I2C_SendData(RX8025_Address_Write_Enabled); //要操作的从机地址和写操作指令 if(RX8025T_I2C_Wait_Ack()) { RX8025T_I2C_Stop(); return 1; } RX8025T_I2C_SendData(Read_Addr); //发送要读取的寄存器地址 if(RX8025T_I2C_Wait_Ack()) { RX8025T_I2C_Stop(); return 1; } RX8025T_I2C_Start(); //重新产生起始信号 RX8025T_I2C_SendData(RX8025_Address_Read_Enabled); //读操作指令 if(RX8025T_I2C_Wait_Ack()) { RX8025T_I2C_Stop(); return 1; } for(int i=0; i<Read_Num; i++) //连续读 { if(i >= Read_Num-1) { p_Read_Data[i] = RX8025T_I2C_ReceiveData(1); //接收完产生非应答信号 } else { p_Read_Data[i] = RX8025T_I2C_ReceiveData(0); //没接收完产生应答信号 } } RX8025T_I2C_Stop(); return 0; } /** * @brief RX8025T初始化 * @param 无 * @retval 无 */ void RX8025T_Time_Init(void) { RX8025T_Time_Typedef Time={0x20,0x06,0x05,0x05,0x10,0x00,0x20}; RX8025T_Write_Byte(RX8025_Address_Extension_Register,0x00); if((RX8025T_Read_Byte(RX8025_Address_Flag_Register) & 0x02) == 0x02) { RX8025T_Write_Byte(RX8025_Address_Flag_Register,0x00); } RX8025T_Write_Byte(RX8025_Address_Control_Register,0x40); if(RX8025T_Update == 0x01) { RX8025T_Write_Byte(RX8025_Address_Second,Time.second); RX8025T_Write_Byte(RX8025_Address_Minute,Time.minute); RX8025T_Write_Byte(RX8025_Address_Hour,Time.hour); RX8025T_Write_Byte(RX8025_Address_Week,Time.week); RX8025T_Write_Byte(RX8025_Address_Date,Time.date); RX8025T_Write_Byte(RX8025_Address_Month,Time.month); RX8025T_Write_Byte(RX8025_Address_Year,Time.year); } } /** * @brief RX8025T写时间 * @param *Time: 时间结构体指针 * @retval 无 */ void RX8025T_Write_Time(RX8025T_Time_Typedef *Time) { RX8025T_Write_Byte(RX8025_Address_Second,Time->second); RX8025T_Write_Byte(RX8025_Address_Minute,Time->minute); RX8025T_Write_Byte(RX8025_Address_Hour,Time->hour); RX8025T_Write_Byte(RX8025_Address_Week,Time->week); RX8025T_Write_Byte(RX8025_Address_Date,Time->date); RX8025T_Write_Byte(RX8025_Address_Month,Time->month); RX8025T_Write_Byte(RX8025_Address_Year,Time->year); } /** * @brief RX8025T读时间 * @param 无 * @retval 无 */ void RX8025T_Read_Time(RX8025T_Time_Typedef* Time) { uint8_t time_buffer[10]; RX8025T_Read_Bytes(RX8025_Address_Second,7,time_buffer); Time->second = (time_buffer[0]>>4) * 10 + (time_buffer[0]&0x0f); Time->minute = (time_buffer[1]>>4) * 10 + (time_buffer[1]&0x0f); Time->hour = (time_buffer[2]>>4) * 10 + (time_buffer[2]&0x0f); Time->week = (time_buffer[3]&0x07); Time->date = (time_buffer[4]>>4) * 10 + (time_buffer[4]&0x0f); Time->month = (time_buffer[5]>>4) * 10 + (time_buffer[5]&0x0f); Time->year = (time_buffer[6]>>4) * 10 + (time_buffer[6]&0x0f); } /** * @brief RX8025T_时间校正 * @param *Time: 时间结构体指针 * @retval 无 */ void RX8025T_Time_Revise(RX8025T_Time_Typedef* Time) { if(Time->week == 1 && Time->hour == 11 && Time->minute == 59 && Time->second <= 30) { RX8025T_Time_Revise_Flag = 1; } if(Time->week == 1 && Time->hour == 12 && Time->minute == 0 && Time->second == 7) { if(RX8025T_Time_Revise_Flag == 1) //校正秒 { RX8025T_Write_Byte(RX8025_Address_Second,0); RX8025T_Time_Revise_Flag = 0; } } }
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