/*设置系统时间*/
void SysSetTime(FUN_BLOCK **funBlock)
{
DIS_SING *sing_temp;
GetSubFunBlock(&pfunSubBlock);
sing_temp = (DIS_SING *)(pfunSubBlock->current_display);
pfunSubBlock->data_type = ZINUM;//显示属性
RTC_ITConfig(RTC_IT_SEC, DISABLE); //关RTC中断，防止systmtime被修改
strcpy(sing_temp->y2 , "请输入时间");
/*取得VIRTUAL_NUM_LENGTH位数的箱门数*/
if(CANCEL == KeyDisplay(pfunSubBlock , 10))
{
FreeMem();
return;
}
/*读取时间值*/
systmtime.tm_year = 2000 + (sing_temp->y3[0]-'0')*10 + sing_temp->y3[1]-'0';
systmtime.tm_mon = (sing_temp->y3[2]-'0')*10 + sing_temp->y3[3]-'0';
systmtime.tm_mday = (sing_temp->y3[4]-'0')*10 + sing_temp->y3[5]-'0';
systmtime.tm_hour = (sing_temp->y3[6]-'0')*10 + sing_temp->y3[7]-'0';
systmtime.tm_min = (sing_temp->y3[8]-'0')*10 + sing_temp->y3[9]-'0';
memset(sing_temp->y3 , 0 , 10);
/*写入时间*/
RTC_Configuration();
Time_Adjust(&systmtime);//写入系统时间
BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
strcpy(sing_temp->y2 , "系统时间修改成功");
DisplaySubBlock(pfunSubBlock);
FreeMem();
}
/**
* @brief Setting up the time by Serial USART1.
* @param None
* @retval None
*/
void RTC_SetTimeBySerial(void) {
if (BKP_ReadBackupRegister(BKP_DR1) != 0xA5A5) {
/* Backup data register value is not correct or not yet programmed (when
the first time the program is executed) */
printf("\r\n * Begin RTC initialization");
/* RTC Configuration */
RTC_Configuration();
printf("\r\n * Please set calendar");
/* setup year, month, date in 4, 2, 2 digits each */
Date_Regulate();
printf("\r\n * Please set time");
/* Adjust time by values entered by the user on the hyperterminal */
Time_Adjust();
BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
} else {
/* Check if the Power On Reset flag is set */
if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET) {
printf("\r\n * Power On Reset occurred....");
}
/* Check if the Pin Reset flag is set */
else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET) {
printf("\r\n\n * External Reset occurred....");
}
printf("\r\n * No need to configure RTC....");
/* Check whether we've written year or month or day value before */
if(BKP_ReadBackupRegister(BKP_DR2) == 0x0000 || BKP_ReadBackupRegister(BKP_DR3) == 0x0000) {
/* setup year, month, date in 4, 2, 2 digits each */
Date_Regulate();
} else {
uint16_t YY, MD;
YY = BKP_ReadBackupRegister(BKP_DR2);
MD = BKP_ReadBackupRegister(BKP_DR3);
int month, day;
if( (MD / 1000) % 10 == 0) {
month = (MD / 100) % 10;
} else {
month = (MD / 1000) % 10 + (MD / 100) % 10 ;
}
if( (MD / 10) % 10 == 0 ) {
day = MD % 10;
} else {
day = MD - (MD / 100) * 100;
}
printf("\r\n\n Previous written calendar data found !");
printf("\r\n Written values are as follows :");
printf("\r\n Year : %d, Month : %d, Day : %d", YY, month, day);
printf("\r\n Above calendar datas will be used to set current calendar automatically\r\n");
TranslateIntoYear(YY);
TranslateIntoMonth(month);
TranslateIntoDay(day);
}
/* NVIC MUST BE CONFIGURED before branch into power on reset */
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Configure one bit for preemption priority */
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
/* Enable the RTC Interrupt */
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);
NVIC_InitStructure.NVIC_IRQChannel = RTCAlarm_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0xFF;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Configure EXTI Line17 (RTC Alarm)to generate an interrupt on rising edge */
EXTI_ClearITPendingBit(EXTI_Line17);
EXTI_InitStructure.EXTI_Line = EXTI_Line17;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_Init(&EXTI_InitStructure);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Alarm in 3 second */
//RTC_SetAlarm(3);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Enable the RTC Second, RTC Alarm interrupt */
RTC_ITConfig(RTC_IT_SEC || RTC_IT_ALR, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
#ifdef RTCClockOutput_Enable
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Disable the Tamper Pin */
BKP_TamperPinCmd(DISABLE); /* To output RTCCLK/64 on Tamper pin, the tamper
functionality must be disabled */
/* Enable RTC Clock Output on Tamper Pin */
BKP_RTCOutputConfig(BKP_RTCOutputSource_Second);
#endif
/* Clear reset flags */
RCC_ClearFlag();
}
/**
* @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
*/
/* Initialize LED1 mounted on STM3210X-EVAL board */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA , ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 ; // USART 2
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 ; // USART 2
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* USARTx configured as follow:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART1,&USART_InitStructure);
USART_Cmd(USART1, ENABLE);
/* NVIC configuration */
NVIC_Configuration();
if (BKP_ReadBackupRegister(BKP_DR1) != 0xA5A5)
{
/* Backup data register value is not correct or not yet programmed (when
the first time the program is executed) */
printf("\r\n\n RTC not yet configured....");
/* RTC Configuration */
RTC_Configuration();
printf("\r\n RTC configured....");
/* Adjust time by values entered by the user on the hyperterminal */
Time_Adjust();
BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
}
else
{
/* Check if the Power On Reset flag is set */
if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
{
printf("\r\n\n Power On Reset occurred....");
}
/* Check if the Pin Reset flag is set */
else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET)
{
printf("\r\n\n External Reset occurred....");
}
printf("\r\n No need to configure RTC....");
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
#ifdef RTCClockOutput_Enable
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Disable the Tamper Pin */
BKP_TamperPinCmd(DISABLE); /* To output RTCCLK/64 on Tamper pin, the tamper
functionality must be disabled */
/* Enable RTC Clock Output on Tamper Pin */
BKP_RTCOutputConfig(BKP_RTCOutputSource_CalibClock);
#endif
/* Clear reset flags */
RCC_ClearFlag();
/* Display time in infinite loop */
Time_Show();
}
/**
* @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_stm32f2xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f2xx.c file
*/
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Configure the external interrupt "WAKEUP", "KEY" and "TAMPER" buttons */
STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_GPIO);
STM_EVAL_PBInit(BUTTON_TAMPER , BUTTON_MODE_GPIO);
STM_EVAL_PBInit(BUTTON_WAKEUP , BUTTON_MODE_GPIO);
/* Initialize the LCD */
STM322xG_LCD_Init();
/* Configure the LCD Log Module */
LCD_LOG_Init();
LCD_LOG_SetHeader("RTC Backup Domain Example");
LCD_LOG_SetFooter (" Copyright (c) STMicroelectronics" );
/* Display the default RCC BDCR and RTC TAFCR Registers */
LCD_UsrLog ("Entry Point \n");
LCD_UsrLog ("RCC BDCR = 0x%x\n", RCC->BDCR);
LCD_UsrLog ("RTC TAFCR = 0x%x\n", RTC->TAFCR);
/* Enable the PWR APB1 Clock Interface */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Configure one bit for preemption priority */
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
/* Enable the RTC Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* EXTI configuration *******************************************************/
EXTI_ClearITPendingBit(EXTI_Line22);
EXTI_InitStructure.EXTI_Line = EXTI_Line22;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
if(RTC_ReadBackupRegister(RTC_BKP_DR0) != FIRST_DATA)
{
LCD_UsrLog ("RTC Config PLZ Wait. \n");
/* RTC Configuration */
RTC_Config();
/* Adjust Current Time */
Time_Adjust();
/* Adjust Current Date */
Date_Adjust();
}
else
{
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
RTC_ClearITPendingBit(RTC_IT_WUT);
EXTI_ClearITPendingBit(EXTI_Line22);
/* Backup SRAM ***************************************************************/
/* Enable BKPSRAM Clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_BKPSRAM, ENABLE);
/* Check the written Data */
for (i = 0x0; i < 0x1000; i += 4)
{
if ((*(__IO uint32_t *) (BKPSRAM_BASE + i)) != i)
{
errorindex++;
}
}
if(errorindex)
{
LCD_ErrLog ("BKP SRAM Number of errors = %d\n", errorindex);
}
else
{
LCD_UsrLog ("BKP SRAM Content OK \n");
}
/* RTC Backup Data Registers **************************************************/
/* Check if RTC Backup DRx registers data are correct */
if (CheckBackupReg(FIRST_DATA) == 0x00)
{
/* OK, RTC Backup DRx registers data are correct */
LCD_UsrLog ("OK, RTC Backup DRx registers data are correct. \n");
}
else
{
/* Error, RTC Backup DRx registers data are not correct */
LCD_ErrLog ("RTC Backup DRx registers data are not correct\n");
}
}
/* Infinite loop */
Calendar_Show();
while (1)
{
}
}
/**************************************************************/
//程 序 名： RTC_Init
//开 发 者： MingH
//入口参数： 无
//功能说明： RTC 相关寄存器配置初始化, 外部调用
//**************************************************************/
void RTC_Init(void)
{
RTC_NVIC_Configuration(); // RTC 中断配置
if (BKP_ReadBackupRegister(BKP_DR1) != 0xA5A5)
{
/* Backup data register value is not correct or not yet programmed (when
the first time the program is executed) */
printf("\r\n\n RTC not yet configured....");
/* RTC Configuration */
RTC_Configuration();
printf("\r\n RTC configured....");
/* Adjust time by values entered by the user on the hyperterminal */
Time_Adjust();
BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
}
else
{
/* Check if the Power On Reset flag is set */
if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
{
printf("\r\n\n Power On Reset occurred....");
}
/* Check if the Pin Reset flag is set */
else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET)
{
printf("\r\n\n External Reset occurred....");
}
printf("\r\n No need to configure RTC....");
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
#ifdef RTCClockOutput_Enable
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Disable the Tamper Pin */
BKP_TamperPinCmd(DISABLE); /* To output RTCCLK/64 on Tamper pin, the tamper
functionality must be disabled */
/* Enable RTC Clock Output on Tamper Pin */
BKP_RTCOutputConfig(BKP_RTCOutputSource_CalibClock);
#endif
/* Clear reset flags */
RCC_ClearFlag();
}
/*
* 函数名：RTC_CheckAndConfig
* 描述 ：检查并配置RTC
* 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 RTC_CheckAndConfig(struct rtc_time *tm)
{
/*在启动时检查备份寄存器BKP_DR1，如果内容不是0xA5A5,
则需重新配置时间并询问用户调整时间*/
if (BKP_ReadBackupRegister(BKP_DR1) != 0xA5A5)
{
printf("\r\n\r\n RTC not yet configured....");
/* RTC Configuration */
RTC_Configuration();
printf("\r\n\r\n RTC configured....");
/* Adjust time by users typed on the hyperterminal */
Time_Adjust(tm);
BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
}
else
{
/*启动无需设置新时钟*/
/*检查是否掉电重启*/
if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
{
printf("\r\n\r\n Power On Reset occurred....");
}
/*检查是否Reset复位*/
else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET)
{
printf("\r\n\r\n External Reset occurred....");
}
printf("\r\n No need to configure RTC....");
/*等待寄存器同步*/
RTC_WaitForSynchro();
/*允许RTC秒中断*/
RTC_ITConfig(RTC_IT_SEC, ENABLE);
/*等待上次RTC寄存器写操作完成*/
RTC_WaitForLastTask();
}
/*定义了时钟输出宏，则配置校正时钟输出到PC13*/
#ifdef RTCClockOutput_Enable
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Disable the Tamper Pin */
BKP_TamperPinCmd(DISABLE); /* To output RTCCLK/64 on Tamper pin, the tamper
functionality must be disabled */
/* Enable RTC Clock Output on Tamper Pin */
BKP_RTCOutputConfig(BKP_RTCOutputSource_CalibClock);
#endif
/* Clear reset flags */
RCC_ClearFlag();
}