我这边用的STM32F0xx_StdPeriph_LibV1.4.0库中的RTC_Calendar代码修改的，亲们帮忙看下哪里有问题
#include "rtc.h"
#include "stdio.h"
uint32_t AsynchPrediv = 0, SynchPrediv = 0;
/**
* @brief Configure the RTC peripheral by selecting the clock source.
* @param None
* @retval None
*/
void RTC_Config(void)
{
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_BackupAccessCmd(ENABLE);
#if defined (RTC_CLOCK_SOURCE_LSI) /* LSI used as RTC source clock*/
/* The RTC Clock may varies due to LSI frequency dispersion. */
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
SynchPrediv = 0x18F;
AsynchPrediv = 0x63;
#elif defined (RTC_CLOCK_SOURCE_LSE) /* LSE used as RTC source clock */
/* Enable the LSE OSC */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
SynchPrediv = 0xFF;
AsynchPrediv = 0x7F;
#else
#error Please select the RTC Clock source inside the main.c file
#endif /* RTC_CLOCK_SOURCE_LSI */
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
}
void RTC_TimeRegulate(void)
{
RTC_TimeTypeDef RTC_TimeStructure;
// RTC_AlarmTypeDef RTC_AlarmStructure;
uint32_t tmp_hh = 0xFF, tmp_mm = 0xFF, tmp_ss = 0xFF;
// printf("\n\r==============Time Settings=====================================\r\n");
RTC_TimeStructure.RTC_H12 = RTC_H12_AM;
// printf(" Please Set Hours:\r\n");
while (tmp_hh == 0xFF)
{
// tmp_hh = USART_Scanf(23);
// tmp_hh = 11;
RTC_TimeStructure.RTC_Hours = 11;
}
// printf(" %0.2d\r\n", tmp_hh);
// printf(" Please Set Minutes:\r\n");
while (tmp_mm == 0xFF)
{
// tmp_mm = USART_Scanf(59);
// tmp_mm = 48;
RTC_TimeStructure.RTC_Minutes = 42;
}
// printf(" %0.2d\r\n", tmp_mm);
// printf(" Please Set Seconds:\r\n");
while (tmp_ss == 0xFF)
{
// tmp_ss = USART_Scanf(59);
// tmp_ss = 0;
RTC_TimeStructure.RTC_Seconds = 30;
}
// printf(" %0.2d\n\r", tmp_ss);
/* Configure the RTC time register */
if(RTC_SetTime(RTC_Format_BIN, &RTC_TimeStructure) == ERROR)
{
// printf("\n\r>> !! RTC Set Time failed. !! <<\r\n");
}
else
{
// printf("\n\r>> !! RTC Set Time success. !! <<\r\n");
RTC_TimeShow();
/* Indicator for the RTC configuration */
RTC_WriteBackupRegister(RTC_BKP_DR0, BKP_VALUE);
}
tmp_hh = 0xFF;
tmp_mm = 0xFF;
tmp_ss = 0xFF;
/* Disable the Alarm A */
/* RTC_AlarmCmd(RTC_Alarm_A, DISABLE);
printf("\n\r==============Alarm A Settings=====================================\n\r");
// RTC_AlarmStructure.RTC_AlarmTime.RTC_H12 = RTC_H12_AM;
printf(" Please Set Alarm Hours:\n\r");
while (tmp_hh == 0xFF)
{
tmp_hh = USART_Scanf(23);
RTC_AlarmStructure.RTC_AlarmTime.RTC_Hours = tmp_hh;
}
printf(" %0.2d\n\r", tmp_hh);
printf(" Please Set Alarm Minutes:\n\r");
while (tmp_mm == 0xFF)
{
tmp_mm = USART_Scanf(59);
RTC_AlarmStructure.RTC_AlarmTime.RTC_Minutes = tmp_mm;
}
printf(" %0.2d\n\r", tmp_mm);
printf(" Please Set Alarm Seconds:\n\r");
while (tmp_ss == 0xFF)
{
tmp_ss = USART_Scanf(59);
RTC_AlarmStructure.RTC_AlarmTime.RTC_Seconds = tmp_ss;
}
printf(" %0.2d", tmp_ss);
*/
/* Set the Alarm A */
// RTC_AlarmStructure.RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;
// RTC_AlarmStructure.RTC_AlarmDateWeekDay = RTC_Weekday_Monday;
// RTC_AlarmStructure.RTC_AlarmMask = RTC_AlarmMask_DateWeekDay;
/* Configure the RTC Alarm A register */
// RTC_SetAlarm(RTC_Format_BIN, RTC_Alarm_A, &RTC_AlarmStructure);
// printf("\n\r>> !! RTC Set Alarm success. !! <<\n\r");
// RTC_AlarmShow();
/* Enable the RTC Alarm A Interrupt */
// RTC_ITConfig(RTC_IT_ALRA, ENABLE);
/* Enable the alarm A */
// RTC_AlarmCmd(RTC_Alarm_A, ENABLE);
}
/**
* @brief Display the current time on the Hyperterminal.
* @param None
* @retval None
*/
void RTC_TimeShow(void)
{
RTC_TimeTypeDef RTC_TimeStructure;
/* Get the current Time */
RTC_GetTime(RTC_Format_BIN, &RTC_TimeStructure);
printf("\n\r The current time is : %0.2d:%0.2d:%0.2d \n\r", RTC_TimeStructure.RTC_Hours, RTC_TimeStructure.RTC_Minutes, RTC_TimeStructure.RTC_Seconds);
}
uint8_t USART_Scanf(uint32_t value)
{
uint32_t index = 0;
uint32_t tmp[2] = {0, 0};
while (index < 2)
{
/* Loop until RXNE = 1 */
while (USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET)
{}
tmp[index++] = (USART_ReceiveData(USART1));
if ((tmp[index - 1] < 0x30) || (tmp[index - 1] > 0x39))
{
printf("\n\r Please enter valid number between 0 and 9 \n\r");
index--;
}
}
/* Calculate the Corresponding value */
index = (tmp[1] - 0x30) + ((tmp[0] - 0x30) * 10);
/* Checks */
if (index > value)
{
printf("\n\r Please enter valid number between 0 and %d \n\r", value);
return 0xFF;
}
return index;
}
void RTC_Initial(void)
{
if (RTC_ReadBackupRegister(RTC_BKP_DR0) != BKP_VALUE)
{
RTC_InitTypeDef RTC_InitStructure;
/* RTC configuration */
RTC_Config();
/* Configure the RTC data register and RTC prescaler */
RTC_InitStructure.RTC_AsynchPrediv = AsynchPrediv;
RTC_InitStructure.RTC_SynchPrediv = SynchPrediv;
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_12;
/* Check on RTC init */
if (RTC_Init(&RTC_InitStructure) == ERROR)
{
// printf("\n\r /!\\***** RTC Prescaler Config failed ********/!\\ \n\r");
}
/* Configure the time register */
RTC_TimeRegulate();
}
else
{
/* Check if the Power On Reset flag is set */
if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
{
// printf("\r\n Power On Reset occurred....\n\r");
}
/* Check if the Pin Reset flag is set */
else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET)
{
// printf("\r\n External Reset occurred....\n\r");
}
// printf("\n\r No need to configure RTC....\n\r");
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_BackupAccessCmd(ENABLE);
#ifdef RTC_CLOCK_SOURCE_LSI
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
#endif /* RTC_CLOCK_SOURCE_LSI */
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Clear the RTC Alarm Flag */
RTC_ClearFlag(RTC_FLAG_ALRAF);
/* Clear the EXTI Line 17 Pending bit (Connected internally to RTC Alarm) */
EXTI_ClearITPendingBit(EXTI_Line17);
/* Display the RTC Time and Alarm */
RTC_TimeShow();
// RTC_AlarmShow();
}
}
/*****************************END OF FILE******************************/
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