void rtc_set(uint32_t val) {
PWR_BackupAccessCmd(ENABLE);
RTC_SetCounter(val);
RTC_WaitForLastTask();
PWR_BackupAccessCmd(DISABLE);
}
/*******************************************************************************
* Function Name : SetTime
* Description : Sets the RTC Current Counter Value
* Input : Hour, Minute and Seconds data
* Output : None
* Return : None
*******************************************************************************/
void SetTime(u8 u8_Hour,u8 u8_Minute,u8 u8_Seconds)
{
u32 u32_CounterValue;
u32_CounterValue=((u8_Hour * 3600)+ (u8_Minute * 60)+u8_Seconds);
RTC_WaitForLastTask();
RTC_SetCounter(u32_CounterValue);
RTC_WaitForLastTask();
}
/**
* @brief Adjusts time.
* @param None
* @retval None
*/
void Time_Adjust(void) {
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Change the current time */
RTC_SetCounter(Time_Regulate());
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
/*******************************************************************************
* Function Name : my_RTC_SetCounter
* Description : sets the hardware-counter
* Input : new counter-value
* Output : None
* Return : None
*******************************************************************************/
static void my_RTC_SetCounter(uint32_t cnt)
{
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Change the current time */
RTC_SetCounter(cnt);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
void setRtcTime(time_t current) {
PWR_BackupAccessCmd(ENABLE);
RTC_WaitForLastTask();
RTC_SetCounter(current);
RTC_WaitForLastTask();
PWR_BackupAccessCmd(DISABLE);
RTC_WaitForLastTask();
gSecondFlag = 1;
}
void rtc_timer_start(u32 alarmValue)
{
//enable BKP and PWR, Clock
RCC_APB1PeriphClockCmd(RCC_APB1Periph_BKP|RCC_APB1Periph_PWR , ENABLE);
// RTC clock source configuration
PWR_BackupAccessCmd(ENABLE); //Allow access to BKP Domain
RCC_LSEConfig(RCC_LSE_ON); //Enable LSE OSC
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY)==RESET); //Wait till LSE is ready
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE); //Select the RTC Clock Source
RCC_RTCCLKCmd(ENABLE); //enable RTC
// RTC configuration
// Wait for RTC APB registers synchronisation
RTC_WaitForSynchro();
RTC_SetPrescaler(0); //Set the RTC time base to 30.5us
RTC_WaitForLastTask(); //Wait until last write operation on RTC registers has finished
//Set the RTC time counter to 0
RTC_SetCounter(0);
RTC_WaitForLastTask();
// Set the RTC time alarm(the length of slot)
RTC_SetAlarm(alarmValue);
RTC_WaitForLastTask();
//interrupt when reach alarm value
RTC_ClearFlag(RTC_IT_ALR);
RTC_ITConfig(RTC_IT_ALR, ENABLE);
//Configures EXTI line 17 to generate an interrupt on rising edge(alarm interrupt to wakeup board)
EXTI_ClearITPendingBit(EXTI_Line17);
EXTI_InitTypeDef EXTI_InitStructure;
EXTI_InitStructure.EXTI_Line = EXTI_Line17;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
//Configure RTC global interrupt:
//Configure NVIC: Preemption Priority = 1 and Sub Priority = 1
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = RTC_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
//Configure RTC Alarm interrupt:
//Configure NVIC: Preemption Priority = 0 and Sub Priority = 1
NVIC_InitStructure.NVIC_IRQChannel = RTCAlarm_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
uint08 RTC_Set_Stamp(uint32 stamp)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE); //使能PWR和BKP外设时钟
PWR_BackupAccessCmd(ENABLE); //使能RTC和后备寄存器访问
RTC_SetCounter(stamp); //设置RTC计数器的值
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
return 0;
}
/*
************************************************************
* 函数名称： RTC_AlarmReSet
*
* 函数功能： RTC闹钟重设
*
* 入口参数： sec：秒值
*
* 返回参数： 无
*
* 说明： 当RTC闹钟中断产生后，需要重设一下，不然就停止了
************************************************************
*/
void RTC_AlarmReSet(unsigned int sec)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE); //使能PWR和BKP外设时钟
PWR_BackupAccessCmd(ENABLE); //使能后备寄存器访问
RTC_SetCounter(0); //设置RTC计数器的值
RTC_AlarmSet(sec);
}
/**
* @brief Sets the RTC Current Counter Value
* @param Hour, Minute and Seconds data
* @retval : None
*/
void SetTime(uint8_t Hour,uint8_t Minute,uint8_t Seconds)
{
uint32_t CounterValue;
CounterValue=((Hour * 3600)+ (Minute * 60)+Seconds);
RTC_WaitForLastTask();
RTC_SetCounter(CounterValue);
RTC_WaitForLastTask();
}
/*
************************************************************
* 函数名称： RTC_SetTime
*
* 函数功能： RTC时间设置
*
* 入口参数： sec：秒值
*
* 返回参数： 无
*
* 说明：
************************************************************
*/
void RTC_SetTime(unsigned int sec)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE); //使能PWR和BKP外设时钟
PWR_BackupAccessCmd(ENABLE); //使能RTC和后备寄存器访问
RTC_SetCounter(sec); //设置RTC计数器的值
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
}
/*
* 函数名：Time_Adjust
* 描述 ：时间调节
* 输入 ：无
* 输出 ：无
* 调用 ：主函数调用
*/
void Time_Adjust(void)
{
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Change the current time
* 将设置的初始时间值装入RTC计数器，RTC开始运行时，计数器里面的值
* 会在初始值的基础上自动一秒加1次 */
RTC_SetCounter(Time_Regulate());
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
/*******************************************************************************
* Function Name : Time_SetUnixTime()
* Description : 将给定的Unix时间戳写入RTC
* Input : time_t t
* Output : None
* Return : None
*******************************************************************************/
void Time_SetUnixTime(time_t t)
{
//GPIOB->ODR ^= (1<<15);
RTC_WaitForLastTask();
RTC_SetCounter((u32)t);
GPIOB->ODR ^= (1<<13);
RTC_WaitForLastTask();
return;
}
/*
************************************************************
* 函数名称： RTC_Init
*
* 函数功能： RTC初始化
*
* 入口参数： 无
*
* 返回参数： 无
*
* 说明：
************************************************************
*/
_Bool RTC_Init(void)
{
#if(USE_EXT_RCC == 1)
unsigned char errCount = 0;
#endif
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE); //使能PWR和BKP外设时钟
PWR_BackupAccessCmd(ENABLE); //使能后备寄存器访问
BKP_DeInit(); //复位备份区域
#if(USE_EXT_RCC == 1)
RCC_LSEConfig(RCC_LSE_ON); //设置外部低速晶振(LSE),使用外设低速晶振
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET && errCount < 250) //检查指定的RCC标志位设置与否,等待低速晶振就绪
{
errCount++;
DelayMs(10);
}
if(errCount >= 250)
return 1; //初始化时钟失败,晶振有问题
#endif
#if(USE_EXT_RCC == 1)
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE); //设置RTC时钟(RTCCLK),选择LSE作为RTC时钟
#else
RCC_RTCCLKConfig(RCC_RTCCLKSource_HSE_Div128); //设置RTC时钟(HSE/128),选择HES作为RTC时钟
#endif
RCC_RTCCLKCmd(ENABLE); //使能RTC时钟
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
RTC_WaitForSynchro(); //等待RTC寄存器同步
RTC_ITConfig(RTC_IT_ALR, ENABLE); //使能RTC闹钟中断
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
RTC_EnterConfigMode(); //允许配置
#if(USE_EXT_RCC == 1)
RTC_SetPrescaler(32767); //设置RTC预分频的值
#else
RTC_SetPrescaler(HSE_VALUE / 128 - 1); //设置RTC预分频的值
#endif
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
RTC_SetCounter(0); //设置RTC计数器的值
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
RTC_ExitConfigMode(); //退出配置模式
RTC_NVIC_Init();
return 0;
}
/*******************************************************************************
* Function Name : rtc_settime
* Description : sets HW-RTC with values from time-struct, takes DST into
* account, HW-RTC always running in non-DST time
* Input : None
* Output : None
* Return : not used
*******************************************************************************/
bool rtc_settime (const RTC_t *rtc)
{
uint32_t cnt;
RTC_t ts;
cnt = struct_to_counter( rtc ); // non-DST counter-value
counter_to_struct( cnt, &ts ); // normalize struct (for weekday)
if ( isDST( &ts ) ) {
cnt -= 60*60; // Subtract one hour
}
RTC_SetCounter( cnt );
return true;
}
void CheckForDaysElapsed(void)
{
uint8_t DaysElapsed;
if((RTC_GetCounter() / SECONDS_IN_DAY) != 0)
{
for(DaysElapsed = 0; DaysElapsed < (RTC_GetCounter() / SECONDS_IN_DAY)\
;DaysElapsed++)
{
DateUpdate();
}
RTC_SetCounter(RTC_GetCounter() % SECONDS_IN_DAY);
}
}
void timer_start()
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_BKP | RCC_APB1Periph_PWR,
ENABLE);
PWR_BackupAccessCmd(ENABLE);
RCC_RTCCLKConfig(RCC_RTCCLKSource_HSE_Div128);
RCC_RTCCLKCmd(ENABLE);
RTC_WaitForLastTask();
RTC_WaitForSynchro();
RTC_WaitForLastTask();
RTC_SetPrescaler(0); // counting at 8e6 / 128
RTC_WaitForLastTask();
RTC_SetCounter(0);
RTC_WaitForLastTask();
}
/*******************************************************************************
* 函 数 名:
* 功 能:
* 参 数：
* 返 回:
*******************************************************************************/
uint8_t RTC_Init(uint32_t pre_value, uint32_t alarm_value, uint32_t count_value)
{
uint8_t count;
NVIC_InitTypeDef NVIC_InitStructure;
//RTC全局中断
NVIC_InitStructure.NVIC_IRQChannel = RTC_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR , ENABLE);
PWR_BackupAccessCmd(ENABLE);
//设置外部低速晶振(LSE),使用外设低速晶振
RCC_LSEConfig(RCC_LSE_ON);
//检查指定的RCC标志位设置与否,等待低速晶振就绪
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{
count++;
Delayms(10);
}
if(count>=250)
return 1;
//设置RTC时钟(RTCCLK),选择LSE作为RTC时钟
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
RCC_RTCCLKCmd(ENABLE);
//等待最近一次对RTC寄存器的读操作完成
RTC_WaitForSynchro();
//等待最近一次对RTC寄存器的写操作完成
RTC_WaitForLastTask();
//设置报警时间
RTC_SetAlarm(alarm_value);
RTC_WaitForLastTask();
//配置中断
RTC_ITConfig( RTC_IT_SEC|RTC_IT_ALR|RTC_IT_OW, ENABLE);
RTC_WaitForLastTask();
//设置RTC预分频的值
RTC_SetPrescaler(pre_value);
RTC_WaitForLastTask();
//清除RCC的复位标志位
RCC_ClearFlag();
RTC_WaitForLastTask();
RTC_SetCounter(count_value);
RTC_WaitForLastTask();
return 0;
}
/*
* 函数名：Time_Adjust
* 描述 ：时间调节
* 输入 ：用于读取RTC时间的结构体指针
* 输出 ：无
* 调用 ：外部调用
*/
void Time_Adjust(struct rtc_time *tm)
{
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Get time entred by the user on the hyperterminal */
Time_Regulate(tm);
/* Get wday */
GregorianDay(tm);
/* 修改当前RTC计数寄存器内容 */
RTC_SetCounter(mktimev(tm));
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
/*******************************************************************************
* Function Name : RTC_IRQHandler
* Description : This function handles RTC global interrupt request.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void RTC_IRQHandler(void)
{
if (RTC_GetITStatus(RTC_IT_SEC) != RESET)
{
/* Clear the RTC Second interrupt */
RTC_ClearITPendingBit(RTC_IT_SEC);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Reset RTC Counter when Time is 23:59:59 */
if (RTC_GetCounter() == 0x00015180)
{
RTC_SetCounter(0x0);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
}
}
/**
* @brief Displays the current time.
* @param TimeVar: RTC counter value.
* @retval None
*/
void Time_Display(uint32_t TimeVar) {
/* Reset RTC Counter when Time is 23:59:59 */
if (RTC_GetCounter() == 0x0001517F) {
RTC_SetCounter(0x0);
IncreaseSingleDay();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Backup routine*/
int YY, MD;
YY = GetYearAndMergeToInt();
MD = GetMonthAndMergeToInt() * 100 + GetDayAndMergeToInt();
printf("\r\n\n Automatic Backup routine excuted");
BKP_WriteBackupRegister(BKP_DR2, YY);
BKP_WriteBackupRegister(BKP_DR3, MD);
printf("\r\n Calendar data successfully saved to backup register BKP_DR2, 3");
}
/* get calendar */
TYR = GetYearAndMergeToInt();
TMO = GetMonthAndMergeToInt();
TDD = GetDayAndMergeToInt();
/* Compute hours */
THH = TimeVar / 3600;
/* Compute minutes */
TMM = (TimeVar % 3600) / 60;
/* Compute seconds */
TSS = (TimeVar % 3600) % 60;
int mTHH, mTMM, mTSS;
mTHH = THH; mTMM = TMM; mTSS = TSS;
sprintf(DATE, "DATE: %04d.%02d.%02d", TYR, TMO, TDD);
sprintf(TIME, "TIME: %02d:%02d:%02d", mTHH, mTMM, mTSS);
/* Display through CLCD */
CLCD_Write(0, 0, DATE);
CLCD_Write(0, 1, TIME);
}
/*******************************************************************************
* Function Name : RTC_IRQHandler
* Description : This function handles RTC global interrupt request.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void RTC_IRQHandler(void)
{
/* If counter is equal to 86339: one day was elapsed */
if((RTC_GetCounter()/3600 == 23)&&(((RTC_GetCounter()%3600)/60) == 59)&&
(((RTC_GetCounter()%3600)%60) == 59)) /* 23*3600 + 59*60 + 59 = 86339 */
{
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Reset counter value */
RTC_SetCounter(0x0);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Increment the date */
// Date_Update();
}
/* Clear the RTC Second Interrupt pending bit */
RTC_ClearITPendingBit(RTC_IT_SEC);
}
void setSysTime(VSysClock* vsc)
{
struct tm stm;
time_t t;
stm.tm_year = vsc->wYear - 1900;
stm.tm_mon = vsc->byMonth - 1;
stm.tm_mday = vsc->byDay;
stm.tm_wday = vsc->byWeek;
stm.tm_hour = vsc->byHour;
stm.tm_min = vsc->byMinute;
stm.tm_sec = vsc->bySecond;
stm.tm_isdst = 0;//Disable Daylight Saving Time
t = mktime(&stm);
RTC_WaitForLastTask();
RTC_SetCounter(vsc->wMSecond);
RTC_WaitForLastTask();
seconds = t;
}
/**
* @brief Displays the current time.
* @param TimeVar: RTC counter value.
* @retval None
*/
void Time_Display(uint32_t TimeVar)
{
uint32_t THH = 0, TMM = 0, TSS = 0;
/* Reset RTC Counter when Time is 23:59:59 */
if (RTC_GetCounter() == 0x0001517F)
{
RTC_SetCounter(0x0);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
/* Compute hours */
THH = TimeVar / 3600;
/* Compute minutes */
TMM = (TimeVar % 3600) / 60;
/* Compute seconds */
TSS = (TimeVar % 3600) % 60;
printf("Time: %0.2d:%0.2d:%0.2d\r", THH, TMM, TSS);
}
static rt_err_t rt_rtc_control(rt_device_t dev, rt_uint8_t cmd, void *args)
{
rt_time_t *time;
RT_ASSERT(dev != RT_NULL);
switch (cmd)
{
case RT_DEVICE_CTRL_RTC_GET_TIME:
time = (rt_time_t *)args;
/* read device */
*time = RTC_GetCounter();
break;
case RT_DEVICE_CTRL_RTC_SET_TIME:
{
time = (rt_time_t *)args;
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Change the current time */
RTC_SetCounter(*time);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
}
break;
}
return RT_EOK;
}
u8 p_dr_RtcSet(u16 syear,u8 smon,u8 sday,u8 hour,u8 min,u8 sec)
{
u16 t;
u32 seccount=0;
if(syear<1970||syear>2099)return 1;
for(t=1970; t<syear; t++) //把所有年份的秒钟相加
{
if(p_dr_RtcIsLeapYear(t))seccount+=31622400;//闰年的秒钟数
else seccount+=31536000; //平年的秒钟数
}
smon-=1;
for(t=0; t<smon; t++) //把前面月份的秒钟数相加
{
seccount+=(u32)mon_table[t]*86400;//月份秒钟数相加
if(p_dr_RtcIsLeapYear(syear)&&t==1)seccount+=86400;//闰年2月份增加一天的秒钟数
}
seccount+=(u32)(sday-1)*86400;//把前面日期的秒钟数相加
seccount+=(u32)hour*3600;//小时秒钟数
seccount+=(u32)min*60; //分钟秒钟数
seccount+=sec;//最后的秒钟加上去
//设置时钟
//RCC->APB1ENR|=1<<28;//使能电源时钟
//RCC->APB1ENR|=1<<27;//使能备份时钟
//PWR->CR|=1<<8; //取消备份区写保护
//上面三步是必须的!
//RTC->CRL|=1<<4; //允许配置
//RTC->CNTL=seccount&0xffff;
//RTC->CNTH=seccount>>16;
//RTC->CRL&=~(1<<4);//配置更新
//while(!(RTC->CRL&(1<<5)));//等待RTC寄存器操作完成
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
/* Change the current time */
RTC_SetCounter(seccount); //设置RTC计数器的值
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
return 0;
}
/**
* @brief This function handles RTC global interrupt request.
* @param None
* @retval : None
*/
void RTC_IRQHandler(void)
{
if (RTC_GetITStatus(RTC_IT_SEC) != RESET)
{
/* Clear the RTC Second interrupt */
RTC_ClearITPendingBit(RTC_IT_SEC);
/* Toggle GPIO_LED pin 6 each 1s */
//GPIO_WriteBit(GPIO_LED, GPIO_Pin_6, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIO_LED, GPIO_Pin_6)));
/* Enable time update */
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Reset RTC Counter when Time is 23:59:59 */
if (RTC_GetCounter() == 0x0001517F)
{
RTC_SetCounter(0x0);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
}
}
uint08 RTC_Set(uint16 syear,uint08 smon,uint08 sday,uint08 hour,uint08 min,uint08 sec)
{
uint16 t;
uint32 seccount=0;
if ( syear<1970||syear>2099 )return 1;
for ( t=1970;t<syear;t++ ) //把所有年份的秒钟相加
{
if ( Is_Leap_Year(t) )
{
seccount+=31622400;//闰年的秒钟数
}
else
{
seccount+=31536000; //平年的秒钟数
}
}
smon-=1;
for ( t=0;t<smon;t++ ) //把前面月份的秒钟数相加
{
seccount+=(uint32)mon_table[t]*86400;//月份秒钟数相加
if ( Is_Leap_Year(syear)&&t==1 )
{
seccount+=86400;//闰年2月份增加一天的秒钟数
}
}
seccount+=(uint32)(sday-1)*86400;//把前面日期的秒钟数相加
seccount+=(uint32)hour*3600;//小时秒钟数
seccount+=(uint32)min*60; //分钟秒钟数
seccount+=sec;//最后的秒钟加上去
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE); //使能PWR和BKP外设时钟
PWR_BackupAccessCmd(ENABLE); //使能RTC和后备寄存器访问
RTC_SetCounter(seccount); //设置RTC计数器的值
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
return 0;
}
/**
* @brief This function handles RTC_IRQHandler .
* @param None
* @retval : None
*/
void RTC_IRQHandler(void)
{
NVIC_ClearPendingIRQ(RTC_IRQn);
RTC_ClearITPendingBit(RTC_IT_SEC);
CalculateTime();
alarm_check(alarm_buffer_ptr);
/* If counter is equal to 86399: one day was elapsed */
/* This takes care of date change and resetting of counter in case of
power on - Run mode/ Main supply switched on condition*/
if(RTC_GetCounter() == 86399)
{
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Reset counter value */
RTC_SetCounter(0x0);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Increment the date */
DateUpdate();
}
}
/**
* @brief This function handles RTC global interrupt request.
* @param None
* @retval None
*/
void RTC_IRQHandler(void)
{
if (RTC_GetITStatus(RTC_IT_SEC) != RESET)
{
/* Clear the RTC Second interrupt */
RTC_ClearITPendingBit(RTC_IT_SEC);
/* Toggle LED1 */
STM_EVAL_LEDToggle(LED1);
/* Enable time update */
TimeDisplay = 1;
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Reset RTC Counter when Time is 23:59:59 */
if (RTC_GetCounter() == 0x00015180)
{
RTC_SetCounter(0x0);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void) {
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* System Clocks Configuration */
RCC_Configuration();
/* System Tick Configuration at 1us */
SysTick_Config(SystemCoreClock / 1000000);
#if (defined USE_EQDAS01) || (defined USE_EQDAS02)
/* TIM2 Configuration (Client & ATFC Server) */
TIM2_Configuration();
#elif defined USE_EQDAS_SERVER
/* TIM4 Configuration */
TIM4_Configuration();
#endif
/* TIM5 Configuration (GLCD & Ethernet) */
TIM5_Configuration();
/* TIM6 Configuration (RTC load) */
//TIM6_Configuration();
/* CLCD Configuration */
CLCD_Configuration();
/* GLCD Configuration */
GLCD_Configuration();
/* UART1 Configuration */
UART_Configuration();
/* RTC configuration by setting the time by Serial USART1 */
RTC_SetTimeBySerial();
/* Let user set the IP through terminal forcefully */
//ForceIPSetBySerial();
/* WIZ820io SPI1 configuration */
WIZ820io_SPI1_Configuration();
/* W5200 Configuration */
Set_network();
/* Print WIZ820io configuration */
printSysCfg();
/* EXTI Configuration */
EXTI_Configuration();
/* FatFS configuration */
f_mount(0, &fs); // mSD
//f_mount(1, &fs); // NAND
/* Display Total size of SD card in MB scale */
SD_TotalSize();
/* Scan all files in mSD card */
//scan_files(path);
/* MAL configuration */
//Set_System();
/* UMS configuration */
//Set_USBClock();
//USB_Interrupts_Config();
//USB_Init();
/* loop upon completion of USB Enumeration */
//while (bDeviceState != CONFIGURED);
/* ATFC Algorithm GPIO */
ATFC_GPIO_Configuration();
/* ATFC Parameter Initialization */
ATFCAlgorithmParameterSetup();
/* GPS-UART3 Configuration - This have to be here otherwise it wouldn't work */
GPS_Configuration();
// For TCP client's connection request delay
presentTime = my_time;
/* Create directory and sub directory in accordance with current date */
filePath = CreateDirectoryAccordingly(GetYearAndMergeToInt(), GetMonthAndMergeToInt(),
GetDayAndMergeToInt(), RTC_GetCounter() / 3600);
/* Create file in append mode in accordance with current minute */
CreateFileAppendModeAccordingly(filePath, (RTC_GetCounter() % 3600) / 60);
/* Clear GLCD to better represent waveform */
GLCD_Clear();
//BKP_WriteBackupRegister(BKP_DR8, 0);
// When everything is set, print message
printf("\r\n\n - System is ready - ");
while (1) {
#if (defined USE_EQDAS01) || (defined USE_EQDAS02)
/* Index synchronization routine -----------------------------------------------*/
if(SyncFlag) { // prevent unpleasant impuse from happening
// Index synchronization dedicated to GLCD & Ethernet
if(arrIdx != index) {
// Index synchronization
arrIdx = index;
}
}
/* End of index synchronization routine -----------------------------------------*/
if(TimerCount > 999) { // 0 ~ 999 (1000) = 1 sec
TimerCount = 0;
//my_time++; // uncomment when tcp connection is needed
/* Setup TCP Client or Server -------------------------------------------------*/
/* Please open config.h file to choose a proper board you wish to use ---------*/
/* Start TCP Client process */
ProcessTcpClient(SOCK_ZERO); // TCP Client
/* Parameter setting Server side with port 5050 in default */
ATFCTcpServer(SOCK_TWO, EQDAS_Conf_PORT); // SOCK_TWO because of flag conformity
/*------------------------------------------------------------------------------*/
/* Process Parameter Text Stream -----------------------------------------------*/
if(PCFlag) { // EQDAS Client System and ATFC Algorithm Setting
PCFlag = false;
ProcessParameterStream();
}
/* End of Parameter process ----------------------------------------------------*/
}
/* 10ms interval between points */
if(TIM5Count >= 9) {
TIM5Count = 0;
// Make a copy from raw collected data to temporary array
CopyToTmpArray(arrIdx);
// Determine KMA scale
KMAGrade = DetermineKMA(arrIdx);
// Check sign bit and apply to int container
CheckSignAndToInt(arrIdx); // this function also cuts surplus 1G
/* Switch menu & waveform display through graphic lcd */
GLCD_AxisViewWithWaveform(mode, arrIdx);
//int mATFCBit;
//mATFCBit_lcd = mAxisBuf.ATFCBit_lcd[arrIdx];
int AxisDataToATFCAlgorithm, mATFCEventDetection;
AxisDataToATFCAlgorithm = mAxisBuf.tmp_data_y_lcd[arrIdx]; // Axis Z
ATFCAlgorithm(AxisDataToATFCAlgorithm);
mATFCEventDetection = EventDetection;
/* Display KMA Intensity on Graphic LCD */
GLCD_DisplayKMAIntensity(KMAGrade, mATFCEventDetection);
/* Prevent access to volatile variable warning */
/* This have to be here in order to correct data to be used in ATFC */
/* ATFC Server side for each EQ DAS Client */
if(EQATFCFlag) {
int mYear, mMonth, mDay, mHour, mMin, mSec, mTMSec;
mYear = year; mMonth = month; mDay = day;
mHour = hour; mMin = minute; mSec = second; mTMSec = arrIdx;
int mX, mY, mZ, mATFCBit;
mX = mAxisBuf.tmp_data_x_lcd[arrIdx] >> 2;
mY = mAxisBuf.tmp_data_y_lcd[arrIdx] >> 2;
mZ = mAxisBuf.tmp_data_z_lcd[arrIdx] >> 2;
mATFCBit = mATFCEventDetection;
char ATFC_Buf[40];
sprintf(ATFC_Buf, "%04d%02d%02d_%02d%02d%02d%02d_%+05d_%+05d_%+05d_%d\r\n",
mYear, mMonth, mDay, mHour, mMin, mSec, mTMSec,
mX, mY, mZ, mATFCBit);
// Only when socket is established, allow send data
if(getSn_SR(SOCK_TWO) == SOCK_ESTABLISHED) { // SOCK_TWO : PC
/* send selected data */
send(SOCK_TWO, (uint8_t*)ATFC_Buf, strlen(ATFC_Buf), (bool)false);
}
}
// Copy to data buffer to be written through FATFS
//CopyToFatFsDataBuffer(arrIdx);
}
/* RTC 1Hz interrupt */
if(RTCTimeDisplay) { // 1Hz calibrated by RTC
RTCTimeDisplay = false;
int TimeVar;
TimeVar = RTC_GetCounter();
/* Compute hour */
THH = TimeVar / 3600;
/* Compute minute */
TMM = (TimeVar % 3600) / 60;
/* Compute second */
TSS = (TimeVar % 3600) % 60;
/* Refresh date on every 1s */
year = GetYearAndMergeToInt();
month = GetMonthAndMergeToInt();
day = GetDayAndMergeToInt();
hour = THH; minute = TMM; second = TSS; tmsecond = 0;
if(ThirtyMinuteMark == 1799) {
ThirtyMinuteMark = 0;
ThirtyMinuteFlag = true;
} else {
ThirtyMinuteMark++;
}
/* Adjust realtime clock deviation */
if(hour > 23) {
int i, currentDay, mDay, mHour, mMin, mSec;
mDay = hour / 24;
for(i=0; i<mDay; i++) {
IncreaseSingleDay();
if(i == mDay - 1) {
currentDay = (GetMonthAndMergeToInt() * 100) + GetDayAndMergeToInt();
BKP_WriteBackupRegister(BKP_DR3, currentDay); // Save Month and Date
}
}
mHour = THH % 24;
mMin = TMM;
mSec = TSS;
/* Change the current time */
RTC_SetCounter(mHour*3600 + mMin*60 + mSec);
}
}
#endif
if(ParseGPS) {
ParseGPS = false;
char *srcstr = "$GPRMC";
char *token = ","; char *processedString;
char StringYear[3], StringMonth[3], StringDay[3], StringHour[3], StringMinute[3], StringSecond[3];
int GPSYear, GPSMonth, GPSDay, GPSHour, GPSMinute, GPSSecond;
if(strncmp((char const*)GPS_Buffer, srcstr, 6) == 0) {
//printf("GPS_Buffer = %s\r\n\r\n", (char*)GPS_Buffer);
processedString = strtok((char*)GPS_Buffer, token);
processedString = strtok(NULL, token);
strncpy(StringHour, processedString, 2); StringHour[2] = 0;
strncpy(StringMinute, processedString+2, 2); StringMinute[2] = 0;
strncpy(StringSecond, processedString+4, 2); StringSecond[2] = 0;
GPSHour = atoi(StringHour) + 9; // Current Hour = StringHour + 9
GPSMinute = atoi(StringMinute);
GPSSecond = atoi(StringSecond);
int i; for(i=4; i!=0 ; i--) processedString = strtok(NULL, token);
strncpy(StringYear, processedString+4, 2); StringYear[2] = 0;
strncpy(StringMonth, processedString+2, 2); StringMonth[2] = 0;
strncpy(StringDay, processedString, 2); StringDay[2] = 0;
GPSYear = atoi(StringYear) + 2000; // Currnet Year = StringYear + 2000
GPSMonth = atoi(StringMonth);
GPSDay = atoi(StringDay);
/* The Year is chosen as criteria to the time */
if( (GPSYear == GetYearAndMergeToInt()) && ThirtyMinuteFlag ) { // only when year matches between RTC and GPS
ThirtyMinuteFlag = false;
if(GPSMonth != GetMonthAndMergeToInt() || GPSDay != GetDayAndMergeToInt() ||
GPSHour != THH || GPSMinute != TMM || GPSSecond != TSS) {
/* Change the month and day */
TranslateIntoMonth(GPSMonth);
TranslateIntoDay(GPSDay);
/* Save year data to unresettable backup register addr. no. 3 */
int MMDD; MMDD = (GPSMonth * 100) + GPSDay;
BKP_WriteBackupRegister(BKP_DR3, MMDD); // Save Month and Date
/* Change the current time */
RTC_SetCounter(GPSHour*3600 + GPSMinute*60 + GPSSecond);
printf("GPSHour = %d\r\n", GPSHour);
printf("GPSMinute = %d\r\n", GPSMinute);
printf("GPSSecond = %d\r\n\r\n", GPSSecond);
printf("GPSYear = %d\r\n", GPSYear);
printf("GPSMonth = %d\r\n", GPSMonth);
printf("GPSDay = %d\r\n\r\n", GPSDay);
printf("GPS-to-System synchronization complete!\r\n\r\n");
}
}
}
}
if(ParseUSART1) {
ParseUSART1 = false;
// run some test on SDIO
//SDIO_TEST();
#if (defined USE_EQDAS01) || (defined USE_EQDAS02)
/* Print WIZ820io configuration */
printSysCfg();
printf("\r\n");
printf("BKP_DR1 = %d\r\n", BKP_ReadBackupRegister(BKP_DR1));
printf("BKP_DR2 = %d\r\n", BKP_ReadBackupRegister(BKP_DR2));
printf("BKP_DR3 = %d\r\n", BKP_ReadBackupRegister(BKP_DR3));
printf("BKP_DR4 = %d\r\n", BKP_ReadBackupRegister(BKP_DR4));
printf("BKP_DR5 = %d\r\n", BKP_ReadBackupRegister(BKP_DR5));
printf("BKP_DR6 = %d\r\n", BKP_ReadBackupRegister(BKP_DR6));
printf("BKP_DR7 = %d\r\n", BKP_ReadBackupRegister(BKP_DR7));
printf("BKP_DR8 = %d\r\n", BKP_ReadBackupRegister(BKP_DR8));
printf("BKP_DR9 = %d\r\n", BKP_ReadBackupRegister(BKP_DR9));
printf("BKP_DR10 = %d\r\n", BKP_ReadBackupRegister(BKP_DR10));
printf("BKP_DR11 = %d\r\n", BKP_ReadBackupRegister(BKP_DR11));
printf("BKP_DR12 = %d\r\n", BKP_ReadBackupRegister(BKP_DR12));
printf("BKP_DR13 = %d\r\n", BKP_ReadBackupRegister(BKP_DR13));
printf("BKP_DR14 = %d\r\n", BKP_ReadBackupRegister(BKP_DR14));
printf("BKP_DR15 = %d\r\n", BKP_ReadBackupRegister(BKP_DR15));
printf("BKP_DR16 = %d\r\n\r\n", BKP_ReadBackupRegister(BKP_DR16));
printf("RX_BUF = %s\r\n", RX_BUF);
/*
printf("\r\nstrlen(HEADER) : %d %s", strlen(HEADER), HEADER);
printf("\r\nf_mkdir1 : ");
char *dirPath = "0:/20130517";
res = f_mkdir(dirPath);
FPrintFatResult(res);
printf("\r\nf_mkdir2 : ");
dirPath = "0:/20130517/22H-23H";
res = f_mkdir(dirPath);
FPrintFatResult(res);
char *filePath = "0:/20130517/2-23H/test.txt";
// Create log file on the drive 0
res = open_append(&fsrc, filePath);
FPrintFatResult(res);
if(res == FR_OK) {
printf("test.txt successfully created\r\n");
// Write buffer to file
int bytesWritten;
bytesWritten = f_printf(&fsrc, HEADER);
printf("\r\n%d of bytesWritten", bytesWritten);
// Close file
f_close(&fsrc);
} else if ( res == FR_EXIST ) {
printf("\r\ntest.txt already exist");
}
*/
#elif (defined) USE_EQDAS_SERVER
char buffer[40];
sprintf(buffer, "%s_%s_%s_%s_%s\r\n",
DAQBoardOne[arrIdx].Date,
DAQBoardOne[arrIdx].Time,
DAQBoardOne[arrIdx].AxisX,
DAQBoardOne[arrIdx].AxisY,
DAQBoardOne[arrIdx].AxisZ);
printf("\r\nRX_BUF : %s, strlen(RX_BUF) : %d", (char*)RX_BUF, strlen((char*)RX_BUF));
printf("\r\nstrlen(buffer) = %d\n%s", strlen(buffer), buffer);
#endif
}
// following routine is only necessary when the board works as server
#if defined USE_EQDAS_SERVER
/* Server also needs to have get CLCD going while running */
/* RTC 1Hz interrupt */
if(RTCTimeDisplay) { // 1Hz calibrated by RTC
RTCTimeDisplay = false;
/* Adjust realtime clock deviation */
if(hour > 23) {
int i, currentDay, mDay, mHour, mMin, mSec;
mDay = hour / 24;
for(i=0; i<mDay; i++) {
IncreaseSingleDay();
if(i == mDay - 1) {
currentDay = (GetMonthAndMergeToInt() * 100) + GetDayAndMergeToInt();
BKP_WriteBackupRegister(BKP_DR3, currentDay); // Save Month and Date
}
}
mHour = THH % 24;
mMin = TMM;
mSec = TSS;
/* Change the current time */
RTC_SetCounter(mHour*3600 + mMin*60 + mSec);
}
/* Display current time */
Time_Display(RTC_GetCounter());
}
/* EQ-DAQ-01 Parsing routine ------------------------------------------------- */
/* Set E1Flag indicate that we have valid connection from EQ-DAQ-01(port 5050) */
if(E1Flag) {
E1Flag = false; // clear flag since this routine excutes ceaselessly over time
ProcessTextStream(EQ_ONE, (char*)RX_BUF, E1Order);
/* PC Client Parsing routine ------------------------------------------------- */
/* Set PCFlag indicate that we have valid connection from PC Client(port 7070) */
if(PCFlag && !E2Flag) { // only when PC is connected and EQ-DAQ-02 is not connected
// Send directly to PC
SingleBoardDataToSendToPC(EQ_ONE, E1Order-10);
}
if(E1Order < 99) E1Order++;
else E1Order = 0;
}
/* EQ-DAQ-02 Parsing routine ------------------------------------------------- */
/* Set E2Flag indicate that we have valid connection from EQ-DAQ-02(port 6060) */
if(E2Flag) {
E2Flag = false;
ProcessTextStream(EQ_TWO, (char*)RX_BUF, E2Order);
/* PC Client Parsing routine ------------------------------------------------- */
/* Set PCFlag indicate that we have valid connection from PC Client(port 7070) */
if(PCFlag && !E1Flag) { // only when PC is connected and EQ-DAQ-01 is not connected
// Send directly to PC
//SendToPC(EQ_TWO, E2Order);
}
if(E2Order < 99) E2Order++;
else E2Order = 0;
/* PC Client Parsing routine ------------------------------------------------- */
/* Set PCFlag indicate that we have valid connection from PC Client(port 7070) */
if(PCFlag) {
// Send directly to PC
MultipleBoardDataToSendToPC(EQ_BOTH, E1Order-10, E2Order-10);
}
}
/* Process server socket with each port */
ProcessTcpServer(SOCK_ZERO, 5050); // designated as for EQM-DAQ-01 with port 5050
ProcessTcpServer(SOCK_ONE, 6060); // designated as for EQM-DAQ-02 with port 6060
ProcessTcpServer(SOCK_TWO, 7070); // designated as for PC-CLIENT with port 7070
ProcessTcpServer(SOCK_THREE, 8080); // designated as for PC_DUMP with port 8080
/*
ProcessTcpServer(SOCK_FOUR, 9090); // designated as for TOBEUSED with port 9090
ProcessTcpServer(SOCK_FIVE, 10010); // designated as for TOBEUSED with port 10010
ProcessTcpServer(SOCK_SIX, 10020); // designated as for TOBEUSED with port 10020
ProcessTcpServer(SOCK_SEVEN, 10030); // designated as for TOBEUSED with port 10030
*/
#endif
}
