时钟芯片RX8025T的STM32驱动例程

#include "RX8025T.h" #include "I2C.h" #include "virtual_uart.h" RTC_TIME_DEF stDateTime; //DEVSTATE devState; u8 pubRam[10]; const unsigned char* COMPLICE_DATA = __DATE__;//(注意是英文状态下两个_符号的) const unsigned char* COMPLICE_TIME = __TIME__; /******************************************************************************* * Function Name : BCD2DEC * Description : BCD码转二位十进制 * parameter : temp，BCD码 * Return : 对应数据的二位十进制 *******************************************************************************/ u8 BCD2DEC(u8 temp) { temp = (temp >> 4) * 10 + (temp & 0x0f); return temp; } /******************************************************************************* * Function Name : DEC2BCD * Description : 二位十进制转BCD码 * parameter : temp，二位十进制 * Return : 数据BCD码 *******************************************************************************/ u8 DEC2BCD(u8 temp) { temp = (temp / 10) * 16 + (temp % 10); return temp; } //void R8025AC_Read(u8 sadd, u8 *buf, u8 len) //{ // IIC_Read_Buffer(sadd, buf, len, RX8025_ADDR_WRITE, RX8025_ADDR_READ); //} // //void R8025AC_Write(u8 sadd,u8 *buf,u8 len) //{ // IIC_Write_Buffer(sadd, buf, len, RX8025_ADDR_WRITE); //} //字符串截取 char *myStrncpy(char *dest, const char *src, int n) { int size = sizeof(char)*(n + 1); char *tmp = (char*)malloc(size); // 开辟大小为n+1的临时内存tmp if (tmp) { memset(tmp, '\0', size); // 将内存初始化为0 memcpy(tmp, src, size - 1); // 将src的前n个字节拷贝到tmp memcpy(dest, tmp, size); // 将临时空间tmp的内容拷贝到dest free(tmp); // 释放内存 return dest; } else { return NULL; } } //得到软件编译时间? COMPILE_TIME_DEF GetSoftWareBuildTargetTime(void) { char arrDate[20]; //Jul 03 2018 char arrTime[20]; //06:17:05 char pDest[20]; COMPILE_TIME_DEF stTime; sprintf(arrDate,"%s",__DATE__);//Jul 03 2018 sprintf(arrTime,"%s",__TIME__);//06:17:05 //char *strncpy(char *dest, const char *src, int n) //(char*)(&(pDest[0])) = myStrncpy(pDest, arrDate, 3); sprintf(pDest, "%s", myStrncpy(pDest, arrDate, 3)); if (strcmp(pDest, "Jan") == 0) stTime.nMonth = 1; else if (strcmp(pDest, "Feb") == 0) stTime.nMonth = 2; else if (strcmp(pDest, "Mar") == 0) stTime.nMonth = 3; else if (strcmp(pDest, "Apr") == 0) stTime.nMonth = 4; else if (strcmp(pDest, "May") == 0) stTime.nMonth = 5; else if (strcmp(pDest, "Jun") == 0) stTime.nMonth = 6; else if (strcmp(pDest, "Jul") == 0) stTime.nMonth = 7; else if (strcmp(pDest, "Aug") == 0) stTime.nMonth = 8; else if (strcmp(pDest, "Sep") == 0) stTime.nMonth = 9; else if (strcmp(pDest, "Oct") == 0) stTime.nMonth = 10; else if (strcmp(pDest, "Nov") == 0) stTime.nMonth = 11; else if (strcmp(pDest, "Dec") == 0) stTime.nMonth = 12; else stTime.nMonth = 1; sprintf(pDest, "%s", myStrncpy(pDest, arrDate+4, 2)); //int atoi(const char *nptr); stTime.nDay = atoi(pDest); sprintf(pDest, "%s", myStrncpy(pDest, arrDate + 4 + 3, 4)); //int atoi(const char *nptr); stTime.nYear = atoi(pDest); //time sprintf(pDest, "%s", myStrncpy(pDest, arrTime, 2)); stTime.nHour = atoi(pDest); sprintf(pDest, "%s", myStrncpy(pDest, arrTime+3, 2)); stTime.nMinute = atoi(pDest); sprintf(pDest, "%s", myStrncpy(pDest, arrTime + 3 + 3, 2)); stTime.nSecond = atoi(pDest); return stTime; } /******************************************************************************* * Function Name : Get8025 * Description : 读取8025T i2c数据 * parameter : addr,起始地址 data,读数据缓冲区 counter,缓冲区数据长度 * Return : None *******************************************************************************/ void Get8025( u8 addr, u8 *data,u8 counter) { u8 i; I2C_Start(); I2C_Send_Byte(0x64); I2C_Send_Byte(addr); I2C_Start(); I2C_Send_Byte(0x65); for (i = 0; i < counter - 1 ; i++) *data++ = I2C_Rcv_Byte(TRUE); *data++ = I2C_Rcv_Byte(FALSE); I2C_Stop(); } /******************************************************************************* * Function Name : Set8025 * Description : 设置8025T i2c数据 * parameter : addr,起始地址 data,写数据缓冲区 counter,缓冲区数据长度 * Return : None *******************************************************************************/ void Set8025( u8 addr, u8 *data,u8 counter) { u8 i; I2C_Start(); I2C_Send_Byte(0x64); I2C_Send_Byte(addr); for(i = 0; i <counter; i++) I2C_Send_Byte(*data++); I2C_Stop(); } /******************************************************************************* * Function Name : Init8025 * Description : 时钟芯片8025T初始化 * parameter : None * Return : None *******************************************************************************/ void Init8025(void) { u8 da[3]; da[0]=0x00; da[1]=0x00; // 24小时模式设置,1Hz 频率输出 da[2]=0x60; Set8025(RTC8025T_Control1,da,3); memset(pubRam,0,3); Get8025(RTC8025T_Control1,pubRam,3); // if(pubRam[2] != da[2]) // { // my_printf("RX8025T Init err\r\n"); // } // else // { // my_printf("RX8025T Init ok\r\n"); // } } /******************************************************************************* * Function Name : TimerDataHandle * Description : * parameter : * Return : None *******************************************************************************/ void TimerDataHandle(u8* pDate) { stDateTime.second = BCD2DEC(pDate[0]); stDateTime.minute = BCD2DEC(pDate[1]); if(pDate[2]==0x24) pDate[2] = 0; stDateTime.hour = BCD2DEC(pDate[2]); if(pDate[3] == 0x01) stDateTime.week = 0; else if(pDate[3] == 0x02) stDateTime.week = 1; else if(pDate[3] == 0x04) stDateTime.week = 2; else if(pDate[3] == 0x08) stDateTime.week = 3; else if(pDate[3] == 0x10) stDateTime.week = 4; else if(pDate[3] == 0x20) stDateTime.week = 5; else if(pDate[3] == 0x40) stDateTime.week = 6; stDateTime.date = BCD2DEC(pDate[4]); stDateTime.month = BCD2DEC(pDate[5]); stDateTime.year = BCD2DEC(pDate[6]); } //void RTCTimeDis(void) //{ // my_printf ("%d:%d:%d\r\n ", 1900+stDateTime.year, stDateTime.month+1, stDateTime.date); // my_printf("%d:%d:%d\n", stDateTime.hour, stDateTime.minute, stDateTime.second); //} /******************************************************************************* * Function Name : RtcSetDateTime * Description : 设置RTC时间 * parameter : 时间结构体 * Return : None *******************************************************************************/ void RtcSetDateTime(RTC_TIME_DEF *pTime) { u8 Timebuf[7]; Timebuf[0] = DEC2BCD(pTime->second); Timebuf[1] = DEC2BCD(pTime->minute); Timebuf[2] = DEC2BCD(pTime->hour); Timebuf[3] = (0x01)<<(pTime->week); Timebuf[4] = DEC2BCD(pTime->date); Timebuf[5] = DEC2BCD(pTime->month); Timebuf[6] = DEC2BCD(pTime->year); Set8025(0,Timebuf,7); //Timebuf中数据为BCD码 TimerDataHandle(Timebuf); } /******************************************************************************* * Function Name : RtcSetLocalTime * Description : 更新本地时间 * parameter : None * Return : None *******************************************************************************/ void RtcSetLocalTime(void) { COMPILE_TIME_DEF now_ptm; RTC_TIME_DEF se