void RTC_to_default_config(void)
{
//enable clk for PWR & allow access to RTC
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/* RTC Configuration -------------------------------------------------------*/
RTC_Config();
RTC_DateStructure.RTC_Month = RTC_Month_May;
RTC_DateStructure.RTC_Date = 1;
RTC_DateStructure.RTC_Year = 13;
RTC_DateStructure.RTC_WeekDay = RTC_Weekday_Wednesday;
RTC_TimeStructure.RTC_H12 = RTC_H12_AM;
RTC_TimeStructure.RTC_Hours = 12;
RTC_TimeStructure.RTC_Minutes = 00;
RTC_TimeStructure.RTC_Seconds = 00;
RTC_SetTime(RTC_Format_BIN, &RTC_TimeStructure);
//RTC_SetDate(RTC_Format_BIN,&RTC_DateStructure);
//disable access to RTC & disable clk to PWR
PWR_RTCAccessCmd(DISABLE);
//RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, DISABLE);
}
void RTC_Alarm_IRQHandler()
{
if(RTC_GetITStatus(RTC_IT_ALRA) != RESET)
{
//RTC_AlarmCmd(RTC_Alarm_A, ENABLE);
PWR_RTCAccessCmd(ENABLE); // Доступ в RTC
RTC_ClearITPendingBit(RTC_IT_ALRA);
RTC_ClearFlag(RTC_FLAG_ALRAF);
PWR_RTCAccessCmd(DISABLE);
EXTI_ClearITPendingBit(EXTI_Line17);
//OLED_DrawString_fast(0,0,"alarm",10);
}
/////////////////////////?????????????????????????????????????????????????????????????????????????????????????
if(RTC_GetFlagStatus(RTC_FLAG_ALRAF) != RESET)
{
PWR_RTCAccessCmd(ENABLE);
RTC_ClearFlag(RTC_FLAG_ALRAF);
PWR_RTCAccessCmd(DISABLE);
//f_WakeupToAlarm=1;
curent_cmd = 5;
}
/////////////////////////
}
void rtc_init(void) {
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE); // Enable PWR clock
PWR_RTCAccessCmd(ENABLE); // Enable access to RTC
// Note: the LSI is used as RTC source clock
// The RTC Clock may vary due to LSI frequency dispersion.
RCC_LSICmd(ENABLE); // Enable LSI
while (RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET) {} // Wait until ready
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI); // Select LSI as RTC Clock Source
RCC_RTCCLKCmd(ENABLE); // Enable RTC Clock
RTC_WaitForSynchro(); // Wait for RTC registers synchronization
uint32_t lsi_freq = 40000; // [TODO] To be measured precisely using a timer input capture
RTC_InitTypeDef RTC_InitStructure;
RTC_InitStructure.RTC_AsynchPrediv = 127;
RTC_InitStructure.RTC_SynchPrediv = (lsi_freq / 128) - 1;
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_Init(&RTC_InitStructure);
PWR_RTCAccessCmd(DISABLE); // Disable access to RTC
rtc_inited = 1;
}
void RTC_change_time(uint8_t hr, uint8_t min, uint8_t s)
{
PWR_RTCAccessCmd(ENABLE);
RTC_TimeStructure.RTC_H12 = RTC_H12_AM;
RTC_TimeStructure.RTC_Hours = hr;
RTC_TimeStructure.RTC_Minutes = min;
RTC_TimeStructure.RTC_Seconds = s;
RTC_SetTime(RTC_Format_BIN, &RTC_TimeStructure);
PWR_RTCAccessCmd(DISABLE);
}
void RTC_WKUP_IRQHandler(void)
{
if(RTC_GetITStatus(RTC_IT_WUT) != RESET) {
EXTI_ClearITPendingBit(EXTI_Line20); //OK
PWR_RTCAccessCmd(ENABLE);
RTC_ClearITPendingBit(RTC_IT_WUT);
RTC_ClearFlag(RTC_FLAG_WUTF);
PWR_RTCAccessCmd(DISABLE);
l++;
printf("RTC Interrupt executed: %d \n\r", l);
}
}
/**
* @brief Configures the LCD Glass. LSI is used as LCD clock source
* @param None
* @retval None
*/
void LCD_Glass_Config(void)
{
/* Enable PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to the RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset Backup Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
/* LSI Enable */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{}
/* LCD Clock Source Selection: LSI */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
#ifdef USE_STM32L152_EVAL
/* LCD GLASS Initialization */
LCD_GLASS_Init();
#endif
}
/****************************************************************************
* 名 称：void RTC_Configuration(void)
* 功 能：RTC配置函数
* 入口参数：无
* 出口参数：无
* 说 明：
* 调用方法：
****************************************************************************/
static void RTC_Configuration(void)
{
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/*!< Reset RTC Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
#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);
#elif defined (RTC_CLOCK_SOURCE_LSE) /* LSE used as RTC source clock *///外部32.378K晶振
/* 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);
#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();
}
/**
* @brief Configure the LCD Glass.
* @param None
* @retval None
*/
void LCD_Glass_Config(void)
{
/* Enable PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to the RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset Backup Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
/* LSE Enable */
RCC_LSEConfig(RCC_LSE_ON);
/*Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
/* LCD Clock Source Selection */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Init LCD Glass */
LCD_GLASS_Init();
}
/****************************************************************************
* 名 称：void clock_ini(void)
* 功 能：时钟初始化函数
* 入口参数：无
* 出口参数：无
* 说 明：
* 调用方法：
****************************************************************************/
void clock_ini(void)
{
#if defined (STOP_Mode)
if(BKP_CheckLOCK_RTC() != BKP_RTC_Flag){
RTC_Configuration();
RTC_InitStructure.RTC_AsynchPrediv = AsynchPrediv;
RTC_InitStructure.RTC_SynchPrediv = SynchPrediv;
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
while(RTC_Init(&RTC_InitStructure) == ERROR) {}
Set_Time(time);
BKP_LOCK_RTC();
}else{
while(RCC_GetFlagStatus(RCC_FLAG_PORRST) == RESET) {}
while(RCC_GetFlagStatus(RCC_FLAG_PINRST) == RESET) {}
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
PWR_RTCAccessCmd(ENABLE);
RTC_WaitForSynchro();
}
RTC_Alarm_Exit();
RTC_NVIC_Configuration();
RTC_ClearFlag(RTC_FLAG_ALRAF);
PWR_ClearFlag(PWR_FLAG_WU);
#elif defined (TANDBY_Mode)
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
PWR_RTCAccessCmd(ENABLE);
PWR_ClearFlag(PWR_FLAG_WU);
if(PWR_GetFlagStatus(PWR_FLAG_SB) != RESET) {
PWR_ClearFlag(PWR_FLAG_SB);
RTC_WaitForSynchro();
}else {
RTC_Configuration();
RTC_InitStructure.RTC_AsynchPrediv = AsynchPrediv;
RTC_InitStructure.RTC_SynchPrediv = SynchPrediv;
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
while(RTC_Init(&RTC_InitStructure) == ERROR) {}
Set_Time(time);
RTC_ClearFlag(RTC_FLAG_ALRAF);
}
#endif
}
void initClock(void)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_SYSCFG , ENABLE);
// divide HCLK / 2
RCC_HCLKConfig(RCC_SYSCLK_Div2);
// enable HSI
RCC_HSICmd(ENABLE);
RCC_PLLCmd(DISABLE);
// wait for HSI to get ready
while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
// configure PLL - x4 /2
RCC_PLLConfig( RCC_PLLSource_HSI, RCC_PLLMul_8, RCC_PLLDiv_4 );
RCC_PLLCmd(ENABLE);
while ( RCC_GetFlagStatus( RCC_FLAG_PLLRDY ) == RESET );
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
RCC_ClocksTypeDef RCC_Clocks;
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config((RCC_Clocks.SYSCLK_Frequency / 2) / 1000); // Cannot exceed 16,777,215
/* Set SysTick Preemption Priority, it's a system handler rather than a regular interrupt */
NVIC_SetPriority(SysTick_IRQn, 0x04);
// setup lse for rtc
PWR_RTCAccessCmd(ENABLE);
// Reset RTC Backup Domain
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
// LSE Enable
RCC_LSEConfig(RCC_LSE_ON);
// Wait until LSE is ready
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET);
// RTC Clock Source Selection
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
// Enable the RTC
RCC_RTCCLKCmd(ENABLE);
RTC_WaitForSynchro();
}
/**
* @brief Configures the RTC Wakeup.
* @param None
* @retval None
*/
void RTC_Config(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/*!< Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/*!< Reset RTC Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
/*!< LSE Enable */
RCC_LSEConfig(RCC_LSE_ON);
/*!< Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
/*!< LCD Clock Source Selection */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/*!< Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/*!< Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* EXTI configuration *******************************************************/
EXTI_ClearITPendingBit(EXTI_Line20);
EXTI_InitStructure.EXTI_Line = EXTI_Line20;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the RTC Wakeup Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* RTC Wakeup Interrupt Generation: Clock Source: RTCDiv_16, Wakeup Time Base: 4s */
RTC_WakeUpClockConfig(RTC_WakeUpClock_RTCCLK_Div16);
RTC_SetWakeUpCounter(0x1FFF);
/* Enable the Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
}
/**
* @brief Configures the different system clocks.
* @param None
* @retval None
*/
void RCC_Configuration(void)
{
/* Enable HSI Clock */
RCC_HSICmd(ENABLE);
/*!< Wait till HSI is ready */
while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET)
{}
RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
RCC_MSIRangeConfig(RCC_MSIRange_6);
/* Enable the GPIOs Clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC| RCC_AHBPeriph_GPIOD| RCC_AHBPeriph_GPIOE| RCC_AHBPeriph_GPIOH, ENABLE);
/* Enable comparator clock LCD and PWR mngt */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_COMP | RCC_APB1Periph_LCD | RCC_APB1Periph_PWR,ENABLE);
/* Enable ADC clock & SYSCFG */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_SYSCFG , ENABLE);
/* Allow access to the RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset Backup Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
/* LSE Enable */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
RCC_RTCCLKCmd(ENABLE);
/* LCD Clock Source Selection */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
RCC_HSEConfig(RCC_HSE_OFF);
if(RCC_GetFlagStatus(RCC_FLAG_HSERDY) != RESET )
{
while(1);
}
}
void rtc_write(time_t t) {
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
// Convert the time into a tm
struct tm *timeinfo = localtime(&t);
// Fill RTC structures
dateStruct.RTC_WeekDay = timeinfo->tm_wday;
dateStruct.RTC_Month = timeinfo->tm_mon + 1;
dateStruct.RTC_Date = timeinfo->tm_mday;
dateStruct.RTC_Year = timeinfo->tm_year - 100;
timeStruct.RTC_Hours = timeinfo->tm_hour;
timeStruct.RTC_Minutes = timeinfo->tm_min;
timeStruct.RTC_Seconds = timeinfo->tm_sec;
timeStruct.RTC_H12 = RTC_HourFormat_24;
// Change the RTC current date/time
PWR_RTCAccessCmd(ENABLE); // Enable access to RTC
RTC_SetDate(RTC_Format_BIN, &dateStruct);
RTC_SetTime(RTC_Format_BIN, &timeStruct);
PWR_RTCAccessCmd(DISABLE); // Disable access to RTC
}
/**
* @brief Configure the RTC peripheral by selecting the clock source.
* @param None
* @retval None
*/
static void RTC_Config(void)
{
RTC_InitTypeDef RTC_InitStructure;
RTC_TimeTypeDef RTC_TimeStruct;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset RTC Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
/* 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);
/* Configure the RTC data register and RTC prescaler */
RTC_InitStructure.RTC_AsynchPrediv = 0x7F;
RTC_InitStructure.RTC_SynchPrediv = 0xFF;
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_Init(&RTC_InitStructure);
/* Set the time to 00h 00mn 00s AM */
RTC_TimeStruct.RTC_H12 = RTC_H12_AM;
RTC_TimeStruct.RTC_Hours = 0x00;
RTC_TimeStruct.RTC_Minutes = 0x00;
RTC_TimeStruct.RTC_Seconds = 0x00;
RTC_SetTime(RTC_Format_BCD, &RTC_TimeStruct);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
}
void EnableClock()
{
// divide HCLK / 2
RCC_HCLKConfig(RCC_SYSCLK_Div2);
// enable HSI
RCC_HSICmd(ENABLE);
RCC_PLLCmd(DISABLE);
// wait for HSI to get ready
while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
// configure PLL - x4 /2
RCC_PLLConfig( RCC_PLLSource_HSI, RCC_PLLMul_8, RCC_PLLDiv_4 );
RCC_PLLCmd(ENABLE);
while ( RCC_GetFlagStatus( RCC_FLAG_PLLRDY ) == RESET );
// set hsi as clock
//RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
// set pll as clock
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
// setup lse for rtc and lcd
/* Allow access to the RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset RTC Backup Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
/* LSE Enable */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait until LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET);
/* RTC Clock Source Selection */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable the RTC */
RCC_RTCCLKCmd(ENABLE);
RTC_WaitForSynchro();
}
/**
* @brief Configures the different system and peripherals clocks.
* @param None
* @retval None
*/
void RCC_Config(void)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to the RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset Backup Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
/*!< LSE Enable */
RCC_LSEConfig(RCC_LSE_ON);
/*!< Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
/*!< LCD Clock Source Selection */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
}
void RCC_RTC_Configuration(void)
{
RCC_ClocksTypeDef RCC_Clocks;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_LCD | RCC_APB1Periph_PWR, ENABLE);
PWR_RTCAccessCmd(ENABLE); //Allow access to the RTC
RCC_RTCResetCmd(ENABLE); //Reset Backup Domain
RCC_RTCResetCmd(DISABLE);
RCC_RTCCLKCmd(ENABLE);
RCC_LSICmd(ENABLE);
while (RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET); //Wait till LSI is ready
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI); //LCD Clock Source Selection
/* Configure SysTick IRQ and SysTick Timer to generate interrupts */
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 500);
}
void RTC_Configuration(void)
{
/* Allow access to the RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset Backup Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
/* LSE Enable */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
RCC_RTCCLKCmd(ENABLE);
/* LCD Clock Source Selection */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
}
static void prvConfigureLCD( void )
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable necessary clocks. */
RCC_AHBPeriphClockCmd( RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC, ENABLE );
RCC_APB1PeriphClockCmd( RCC_APB1Periph_LCD, ENABLE );
PWR_RTCAccessCmd( ENABLE );
RCC_LSEConfig( ENABLE );
RCC_RTCCLKConfig( RCC_RTCCLKSource_LSE );
RCC_RTCCLKCmd( ENABLE );
/* Configure Port A LCD Output pins as alternate function. */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_8 | GPIO_Pin_9 |GPIO_Pin_10 |GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_Init( GPIOA, &GPIO_InitStructure );
/* Select LCD alternate function for Port A LCD Output pins. */
GPIO_PinAFConfig( GPIOA, GPIO_PinSource1, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOA, GPIO_PinSource2, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOA, GPIO_PinSource3, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOA, GPIO_PinSource8, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOA, GPIO_PinSource9, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOA, GPIO_PinSource10, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOA, GPIO_PinSource15, GPIO_AF_LCD );
/* Configure Port B LCD Output pins as alternate function */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_Init( GPIOB, &GPIO_InitStructure );
/* Select LCD alternate function for Port B LCD Output pins */
GPIO_PinAFConfig( GPIOB, GPIO_PinSource3, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOB, GPIO_PinSource4, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOB, GPIO_PinSource5, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOB, GPIO_PinSource8, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOB, GPIO_PinSource9, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOB, GPIO_PinSource10, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOB, GPIO_PinSource11, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOB, GPIO_PinSource12, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOB, GPIO_PinSource13, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOB, GPIO_PinSource14, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOB, GPIO_PinSource15, GPIO_AF_LCD );
/* Configure Port C LCD Output pins as alternate function */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 |GPIO_Pin_11 ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_Init( GPIOC, &GPIO_InitStructure );
/* Select LCD alternate function for Port B LCD Output pins */
GPIO_PinAFConfig( GPIOC, GPIO_PinSource0, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOC, GPIO_PinSource1, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOC, GPIO_PinSource2, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOC, GPIO_PinSource3, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOC, GPIO_PinSource6, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOC, GPIO_PinSource7, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOC, GPIO_PinSource8, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOC, GPIO_PinSource9, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOC, GPIO_PinSource10, GPIO_AF_LCD );
GPIO_PinAFConfig( GPIOC, GPIO_PinSource11, GPIO_AF_LCD );
LCD_GLASS_Init();
LCD_GLASS_DisplayString( "F'RTOS" );
}
/**
* @brief Configure the RTC peripheral by selecting the clock source.
* @param None
* @retval None
*/
void RTC_Config(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset BKP Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
#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);
#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);
#else
#error Please select the RTC Clock source inside the main.c file
#endif /* RTC_CLOCK_SOURCE_LSI */
/* Enable The external line19 interrupt */
EXTI_ClearITPendingBit(EXTI_Line19);
EXTI_InitStructure.EXTI_Line = EXTI_Line19;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable TAMPER IRQChannel */
NVIC_InitStructure.NVIC_IRQChannel = TAMPER_STAMP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Disable the Tamper 1 detection */
RTC_TamperCmd(RTC_Tamper_1, DISABLE);
/* Clear Tamper 1 pin Event(TAMP1F) pending flag */
RTC_ClearFlag(RTC_FLAG_TAMP1F);
/* Configure the Tamper 1 Trigger */
RTC_TamperTriggerConfig(RTC_Tamper_1, RTC_TamperTrigger_FallingEdge);
/* Enable the Tamper interrupt */
RTC_ITConfig(RTC_IT_TAMP, ENABLE);
/* Clear Tamper 1 pin interrupt pending bit */
RTC_ClearITPendingBit(RTC_IT_TAMP1);
/* Enable the Tamper 1 detection */
RTC_TamperCmd(RTC_Tamper_1, ENABLE);
}
void EnRtcInter(void){
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
RTC_InitTypeDef RTC_InitStructure;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/* 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);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Calendar Configuration */
RTC_InitStructure.RTC_AsynchPrediv = 0x7F;
RTC_InitStructure.RTC_SynchPrediv = 0x120; /* (37KHz / 128) - 1 = 0x120*/
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_Init(&RTC_InitStructure);
/*
To enable the RTC Wakeup interrupt, the following sequence is required:
1. Configure and enable the EXTI Line 20 in interrupt mode and select the rising edge
sensitivity.
2. Configure and enable the RTC_WKUP IRQ channel in the NVIC.
3. Configure the RTC to generate the RTC wakeup timer event.
System reset, as well as low power modes (Sleep, Stop and Standby) have no influence on
the wakeup timer.
*/
/* EXTI configuration *******************************************************/
EXTI_ClearITPendingBit(EXTI_Line20);
EXTI_InitStructure.EXTI_Line = EXTI_Line20;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the RTC Wakeup 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);
RTC_WakeUpCmd(DISABLE);
PWR_RTCAccessCmd(ENABLE);
RTC_WakeUpClockConfig(RTC_WakeUpClock_CK_SPRE_16bits);
RTC_SetWakeUpCounter(readintvalue(SLEEPTIME_add)); //0x01f4
//The WUTF flag must then be cleared by software.
RTC_ClearITPendingBit(RTC_IT_WUT); //ClearITPendingBit clears also the flag
//RTC_ClearFlag(RTC_FLAG_WUTF); //MANDATORY!
RTC_ITConfig(RTC_IT_WUT, ENABLE); //enable interrupt
RTC_WakeUpCmd(ENABLE);
PWR_RTCAccessCmd(DISABLE); //just in case
}
void rtc_init_counter_mode() {
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
RTC_InitTypeDef RTC_InitStructure;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset RTC Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
/* 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 );
/* Set the RTC time base to 1s */
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_InitStructure.RTC_AsynchPrediv = 0x7F;
RTC_InitStructure.RTC_SynchPrediv = 0x00FF;
RTC_Init(&RTC_InitStructure);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronization */
RTC_WaitForSynchro();
/* EXTI configuration *******************************************************/
EXTI_ClearITPendingBit(EXTI_Line20 );
EXTI_InitStructure.EXTI_Line = EXTI_Line20;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the RTC Wakeup Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Configure the RTC WakeUp Clock source: CK_SPRE (1Hz) */
RTC_WakeUpClockConfig(RTC_WakeUpClock_CK_SPRE_16bits );
RTC_SetWakeUpCounter(0x0);
/* Enable the RTC Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
rtc_disable_interrupt();
/* Enable Wakeup Counter */
RTC_WakeUpCmd(ENABLE);
}
void platform_init_periphclk() {
/// 1. Enable AHB clocks
/// AHB is set to whatever clock frequency the CPU is using.
///
/// RCC_AHBPeriph_GPIOA (*), RCC_AHBPeriph_GPIOB (*), RCC_AHBPeriph_GPIOC (*),
/// RCC_AHBPeriph_GPIOD, RCC_AHBPeriph_GPIOE, RCC_AHBPeriph_GPIOH,
/// RCC_AHBPeriph_CRC, RCC_AHBPeriph_FLITF, RCC_AHBPeriph_SRAM,
/// RCC_AHBPeriph_DMA1 (*)
RCC_AHBPeriphClockCmd( RCC_AHBPeriph_GPIOA | \
RCC_AHBPeriph_GPIOB | \
RCC_AHBPeriph_GPIOC | \
RCC_AHBPeriph_DMA1, \
ENABLE);
#ifdef _STM32L152VBT6_ // STM32H152:
RCC_AHBPeriphClockCmd( RCC_AHBPeriph_GPIOE, ENABLE);
#endif
/// Enable APB1 clocks (16 MHz)
/// Available peripherals on APB1, (*) denotes known Platform usage:
/// RCC_APB1Periph_TIM2, RCC_APB1Periph_TIM3, RCC_APB1Periph_TIM4,
/// RCC_APB1Periph_TIM6, RCC_APB1Periph_TIM7, RCC_APB1Periph_LCD,
/// RCC_APB1Periph_WWDG, RCC_APB1Periph_SPI2 (*), RCC_APB1Periph_USART2,
/// RCC_APB1Periph_USART3 (*), RCC_APB1Periph_I2C1, RCC_APB1Periph_I2C2 (*),
/// RCC_APB1Periph_USB (*), RCC_APB1Periph_PWR (*), RCC_APB1Periph_DAC,
/// RCC_APB1Periph_COMP
RCC_APB1PeriphClockCmd( RCC_APB1Periph_SPI2 | \
RCC_APB1Periph_USART3 | \
RCC_APB1Periph_I2C2 | \
RCC_APB1Periph_USB | \
RCC_APB1Periph_PWR | \
RCC_APB1Periph_TIM3 | \
RCC_APB1Periph_TIM4,
ENABLE);
/************* XXX fixme: should this be here? ********************/
/* Allow access to the RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset Backup Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
/*!< LSE Enable */
RCC_LSEConfig(RCC_LSE_ON);
/*!< Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
/******************************************************************/
/// Enable APB2 clocks (1 MHz)
/// Available peripherals on APB2, (*) denotes OpenTag usage:
/// RCC_APB2Periph_SYSCFG, RCC_APB2ENR_SYSCFGEN, RCC_APB2Periph_TIM9 (*),
/// RCC_APB2Periph_TIM10 (*), RCC_APB2Periph_TIM11, RCC_APB2Periph_ADC1 (*),
/// RCC_APB2Periph_SPI1, RCC_APB2Periph_USART1
RCC_APB2PeriphClockCmd( RCC_APB2Periph_TIM9 | \
RCC_APB2Periph_TIM10 | \
RCC_APB2Periph_TIM11 | \
RCC_APB2Periph_ADC1, \
ENABLE );
}
/**
* @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_stm32l1xx_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32l1xx.c file
*/
/* Enable PWR APB1 Clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/* Reset RTC Domain */
RCC_RTCResetCmd(ENABLE);
RCC_RTCResetCmd(DISABLE);
#ifdef BOR_MODIFY
/* Get BOR Option Bytes */
BOROptionBytes = FLASH_OB_GetBOR();
if((BOROptionBytes & 0x0F) != BOR_LEVEL)
{
/* Unlocks the option bytes block access */
FLASH_OB_Unlock();
/* Clears the FLASH pending flags */
FLASH_ClearFlag(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR
| FLASH_FLAG_SIZERR | FLASH_FLAG_OPTVERR);
/* Select the desired V(BOR) Level ---------------------------------------*/
FLASH_OB_BORConfig(BOR_LEVEL);
/* Launch the option byte loading */
FLASH_OB_Launch();
}
#endif
#if defined (LP_RUN_SRAM_MODE)
/* Low Power Run Mode Entry:
- System Running at MSI (~32KHz)
- Flash 0 wait state
- Voltage Range 2
- Code running from Internal SRAM
- All peripherals OFF
- FLASH switched OFF
- VDD from 1.65V to 3.6V
- Current Consumption ~10.5uA
- Wakeup using Key Button PA.00
*/
LowPowerRunMode_Measure();
#elif defined (LP_RUN_FLASH_MODE)
/* Low Power Run Mode Entry:
- System Running at MSI (~32KHz)
- Flash 0 wait state
- Voltage Range 2
- Code running from Internal FLASH
- All peripherals OFF
- VDD from 1.65V to 3.6V
- Current Consumption ~25uA
- Wakeup using Key Button PA.00
*/
LowPowerRunMode_Measure();
#elif defined (SLEEP_MODE)
/* Sleep Mode Entry
- System Running at HSI (16MHz)
- Flash 1 wait state
- Voltage Range 2
- Code running from Internal FLASH
- Current Consumption ~1mA
- Wakeup using EXTI Line (Key Button PA.00)
*/
SleepMode_Measure();
#elif defined (LP_SLEEP_MODE)
/* Low Power Sleep Mode Entry
- System Running at MSI (~32KHz)
- Flash 0 wait state
- Voltage Range 2
- Code running from Internal FLASH
- All peripherals OFF
- VDD from 1.65V to 3.6V
- Current Consumption ~4.07uA
- Wakeup using EXTI Line (Key Button PA.00)
*/
LowPowerSleepMode_Measure();
#elif defined (STOP_MODE)
/* STOP Mode Entry
- Regulator in LP mode
- LSI, HSI and HSE OFF
- No IWDG
- Current Consumption ~0.5uA
- Wakeup using EXTI Line (Key Button PA.00)
*/
StopMode_Measure();
#elif defined (STOP_RTC_LSE_MODE)
/* STOP Mode with RTC on LSE Entry
- RTC Clocked by LSE external Clock (32.768KHz)
- Regulator in LP mode
- LSI, HSI and HSE OFF
- No IWDG
- Current Consumption ~1.6uA
- Automatic Wakeup using RTC on LSE (4s)
*/
StopRTCLSEMode_Measure();
#elif defined (STOP_RTC_LSI_MODE)
/* STOP Mode with RTC on LSI Entry
- RTC Clocked by LSI
- Regulator in LP mode
- HSI and HSE OFF
- No IWDG
- Current Consumption ~1.3uA
- Automatic Wakeup using RTC on LSI (after ~4s)
*/
StopRTCLSIMode_Measure();
#elif defined (STANDBY_MODE)
/* STANDBY Mode Entry
- IWDG and LSI OFF
- Current Consumption ~0.3uA
- Wakeup using WakeUp Pin 1 (PA.00)
*/
StandbyMode_Measure();
#elif defined (STANDBY_RTC_LSE_MODE)
/* STANDBY Mode with RTC on LSE Entry
- RTC Clocked by LSE external Clock (32.768KHz)
- IWDG and LSI OFF
- Current Consumption ~1.3uA
- Automatic Wakeup using RTC on LSE (after 4s)
*/
StandbyRTCLSEMode_Measure();
#elif defined (STANDBY_RTC_LSI_MODE)
/* STANDBY Mode with RTC on LSI Entry
- RTC Clocked by LSI
- IWDG OFF
- Current Consumption ~1.1uA
- Automatic Wakeup using RTC on LSI (after ~4s)
*/
StandbyRTCLSIMode_Measure();
#else
/* Initialize LED1 on STM32L152-EVAL board */
STM_EVAL_LEDInit(LED1);
/* Infinite loop */
while (1)
{
/* Toggle The LED1 */
STM_EVAL_LEDToggle(LED1);
/* Inserted Delay */
for(Counter = 0; Counter < 0x5FF; Counter++);
}
#endif
}
/**
* @brief This function configures the system to enter Standby mode with RTC
* clocked by LSI for current consumption measurement purpose.
* STANDBY Mode with RTC clocked by LSI
* ====================================
* - RTC Clocked by LSI
* - IWDG OFF
* - Current Consumption ~1.1uA
* - Automatic Wakeup using RTC clocked by LSI (after ~4s)
* @param None
* @retval None
*/
void StandbyRTCLSIMode_Measure(void)
{
/* Configure Key Button*/
STM_EVAL_PBInit(BUTTON_KEY,BUTTON_MODE_GPIO);
/* Wait Until Key button pressed */
while(STM_EVAL_PBGetState(BUTTON_KEY) == RESET)
{
}
/* Wait Until Key button pressed */
while(STM_EVAL_PBGetState(BUTTON_KEY) != RESET)
{
}
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/*!< LSI Enable */
RCC_LSICmd(ENABLE);
/*!< Wait till LSI is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{}
/*!< RTC Clock Source Selection */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Enable Ultra low power mode */
PWR_UltraLowPowerCmd(ENABLE);
/* RTC Wakeup Interrupt Generation: Clock Source: RTCCLK_Div16, Wakeup Time Base: ~4s
RTC Clock Source LSI ~37KHz
*/
RTC_WakeUpClockConfig(RTC_WakeUpClock_RTCCLK_Div16);
RTC_SetWakeUpCounter(0x2421);
/* Clear PWR WakeUp flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Clear RTC WakeUp (WUTF) flag */
RTC_ClearFlag(RTC_FLAG_WUTF);
/* Enable the Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
/* Enable Wakeup Counter */
RTC_WakeUpCmd(ENABLE);
/* Request to enter STANDBY mode */
PWR_EnterSTANDBYMode();
/* Infinite loop */
while (1)
{
}
}
void configureWakeup (void)
{
/* Declare initialisation structures for (NVIC) and external interupt (EXTI) */
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Clear IT pending bit from external interrupt Line 20 */
EXTI_ClearITPendingBit(EXTI_Line20);
/* Initialise EXTI using its init structure */
EXTI_InitStructure.EXTI_Line = EXTI_Line20; // interrupt generated on RTC Wakeup event (Line 20)
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; // Use EXTI line as interrupt
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; // Trigg interrupt on rising edge detection
EXTI_InitStructure.EXTI_LineCmd = ENABLE; // Enable EXTI line
EXTI_Init(&EXTI_InitStructure);
/* Initialise the NVIC interrupts (IRQ) using its init structure */
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn; // set IRQ channel to RTC Wakeup Interrupt
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; // set channel Preemption priority to 0
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; // set channel sub priority to 0
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; // Enable channel
NVIC_Init(&NVIC_InitStructure);
/* Clear Wake-up flag */
PWR->CR |= PWR_CR_CWUF;
/* Enable PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/* Enable Low Speed External clock */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET);
/* Select LSE clock as RCC Clock source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Select 1Hz clock for RTC wake up*/
RTC_WakeUpClockConfig(RTC_WakeUpClock_CK_SPRE_16bits);
/* Set Wakeup auto-reload value to 2 sec */
RTC_SetWakeUpCounter(1);
/* Clear RTC Interrupt pending bit */
RTC_ClearITPendingBit(RTC_IT_WUT);
/* Clear EXTI line20 Interrupt pending bit */
EXTI_ClearITPendingBit(EXTI_Line20);
/* Enable the Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
}
static void RTC_Config32768Internal(void) {
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
RTC_DateTypeDef RTC_DateStruct;
//uint8_t yr;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* SYSCFG Peripheral clock enable */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
PWR_DeInit();
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/* LSI used as RTC source clock */
/* The RTC Clock may varies due to LSI frequency dispersion. */
/* Enable the LSI OSC */
//RCC_LSICmd(ENABLE);
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSI is ready */
//while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET) {
}
/* Select the RTC Clock Source */
//RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
// LSE 32768
RTC_InitStructure.RTC_AsynchPrediv = 127;
RTC_InitStructure.RTC_SynchPrediv = 255;
/* Calendar Configuration with LSI supposed at 37KHz */
//RTC_InitStructure.RTC_AsynchPrediv = 124;
//RTC_InitStructure.RTC_SynchPrediv = 295; /* (32KHz / 128) - 1 = 0xFF*/
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_Init(&RTC_InitStructure);
/* Set the time to 05h 20mn 00s AM */
RTC_TimeStructure.RTC_H12 = RTC_H12_PM;
RTC_TimeStructure.RTC_Hours = 0x23;
RTC_TimeStructure.RTC_Minutes = 0x59;
RTC_TimeStructure.RTC_Seconds = 0x50;
RTC_SetTime(RTC_Format_BCD, &RTC_TimeStructure);
RTC_DateStruct.RTC_Year = 14;
RTC_DateStruct.RTC_Month = 10;
RTC_DateStruct.RTC_Date = 4;
RTC_DateStruct.RTC_WeekDay = 6;
//day = 5;
RTC_SetDate(RTC_Format_BIN, &RTC_DateStruct);
//RTC_GetDate(RTC_Format_BCD, &RTC_DateStruct);
//yr = RTC_DateStruct.RTC_Year;
/* EXTI configuration *******************************************************/
EXTI_ClearITPendingBit(EXTI_Line20);
EXTI_InitStructure.EXTI_Line = EXTI_Line20;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
// Configuring RTC_WakeUp interrupt
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
// RTC Wakeup Configuration
RTC_WakeUpClockConfig(RTC_WakeUpClock_CK_SPRE_16bits);
// RTC Set WakeUp Counter
RTC_SetWakeUpCounter(0);
// Enabling RTC_WakeUp interrupt
RTC_ITConfig(RTC_IT_WUT, ENABLE);
// Disabling Alarm Flags
RTC_AlarmCmd(RTC_Alarm_A, DISABLE);
RTC_AlarmCmd(RTC_Alarm_B, DISABLE);
// RTC Enable the Wakeup Function
RTC_WakeUpCmd(ENABLE);
}
/**
* @brief Configure the RTC peripheral by selecting the clock source.
* @param None
* @retval None
*/
void RTC_Config(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/* 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);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Calendar Configuration */
RTC_InitStructure.RTC_AsynchPrediv = 0x7F;
RTC_InitStructure.RTC_SynchPrediv = 0x120; /* (37KHz / 128) - 1 = 0x120*/
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_Init(&RTC_InitStructure);
/* EXTI configuration *******************************************************/
EXTI_ClearITPendingBit(EXTI_Line20);
EXTI_InitStructure.EXTI_Line = EXTI_Line20;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the RTC Wakeup Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Configure the RTC WakeUp Clock source: CK_SPRE (1Hz) */
RTC_WakeUpClockConfig(RTC_WakeUpClock_CK_SPRE_16bits);
RTC_SetWakeUpCounter(0x0);
/* Enable the RTC Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
/* Enable Wakeup Counter */
RTC_WakeUpCmd(ENABLE);
}
int main(void)
{
RCC_APB1PeriphClockCmd( RCC_APB1Periph_PWR, ENABLE);//!!!!
// тактирование ядра низкоскоростным внутренним генератором 4мгц
RCC->ICSCR &= ~RCC_ICSCR_MSIRANGE;//!!!!
RCC->ICSCR |= RCC_ICSCR_MSIRANGE_6;//!!!!
//RTC_Initilithahion();//!!!!
////////////////////////////////////////////////////////////////////
delay_ms(1000);//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
curent_cmd = 0;
PCount_Start = 0;
/////////////////// настройка пробуждения
RCC_HSICmd(DISABLE);
PWR_PVDCmd(DISABLE);
PWR_UltraLowPowerCmd(ENABLE);
PWR_WakeUpPinCmd(PWR_WakeUpPin_1,ENABLE);
PWR_UltraLowPowerCmd(ENABLE);
////////////// настройка прирывания для будильника в неспящем режиме
EXTI_InitTypeDef exti;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_ClearITPendingBit(EXTI_Line17);
exti.EXTI_Line = EXTI_Line17;
exti.EXTI_Mode = EXTI_Mode_Interrupt;
exti.EXTI_Trigger = EXTI_Trigger_Rising;
exti.EXTI_LineCmd = ENABLE;
EXTI_Init(&exti);
NVIC_InitStructure.NVIC_IRQChannel = RTC_Alarm_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
//////////////////
if(PWR_GetFlagStatus(PWR_FLAG_SB)!=RESET)//Если МК вышел из режима standby
{
WkupFlag=1;
curent_cmd = 1;
if(RTC_GetFlagStatus(RTC_FLAG_ALRAF)!=RESET)//Если МК вышел из режима ALARM
{
//RTC_Initilithahion();//!!!!
//PWR_RTCAccessCmd(ENABLE);
//RTC_ClearFlag(RTC_FLAG_ALRAF);
//PWR_RTCAccessCmd(DISABLE);
//f_WakeupToAlarm=1;
curent_cmd = 5;
}
//RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE);
PWR_ClearFlag(PWR_FLAG_SB); //Сброс флага, который указывает на то, что МК вышел из режима standby
PWR_RTCAccessCmd(ENABLE); // Доступ в RTC
//RTC_ClearITPendingBit(RTC_IT_WUT);
//RTC_ClearFlag(RTC_FLAG_WUTF);
RTC_ClearFlag(RTC_FLAG_ALRAF);
PWR_RTCAccessCmd(DISABLE);
}
else
{
WkupFlag=0;
RTC_TimeTypeDef alarmTime;
alarmTime.RTC_H12 = RTC_H12_PM;//!!!!;
alarmTime.RTC_Hours = 20;
alarmTime.RTC_Minutes = 0;
alarmTime.RTC_Seconds = 20;
RTC_Initilithahion();//!!!!
//RTC_Set_Alarm(alarmTime);/// Магическая последовательность, 1. RTC_Set_Alarm, 2. RTC_Set_Time иначе не работает будильник
RTC_TimeTypeDef RTC_Time;
RTC_DateTypeDef RTC_Date;
RTC_Time.RTC_H12 = RTC_H12_PM;//!!!!;
RTC_Time.RTC_Hours = 20;
RTC_Time.RTC_Minutes = 00;
RTC_Time.RTC_Seconds = 00;
RTC_Date.RTC_WeekDay = RTC_Weekday_Sunday;
RTC_Date.RTC_Year = 14;
RTC_Date.RTC_Month = 8;
RTC_Date.RTC_Date = 17;
RTC_Set_TimeDate(RTC_Time, RTC_Date);///
}
//else curent_cmd = 0;//f_WakeupToAlarm=0;
//RTC_Initilithahion();//!!!!
//RTC_Set_Time();
OLED_Init();
OLED_Clear();
char i,j;
/*
RCC_GetClocksFreq(&Frequency);
f=Frequency.SYSCLK_Frequency/1000;
IntToStr(a,f);
OLED_DrawString_fast(30,30,a,10);
*/
OLED_LcdCache_Clear();
//if(0==WkupFlag) //Если МК до этого не находился в режиме STANDBY!!!!!!!!!!!!!!!!!
//PWR_EnterSTANDBYMode(); //Перейди в режим STANDBY!!!!!!!!!!!!!!!!!!!
//OLED_DrawBitmap_fast(3,12,menu1_sprait,123,40);
//delay_ms(10000);
WaitToSleep = 0;
TACT_Config();
BackTimeAndData.hour=0;
BackTimeAndData.minute=0;
BackTimeAndData.second=0;
globa_menu = 1;
f_aktive_menu = 0;
//curent_cmd = 0;
PWatch_Setup_Step = 0;
key_up = 0;
key_down = 0;
key_ok = 0;
PCount_Start = 0;
while(1)
{
key = 0;
key_ok = GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0);
key_down = GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_2);
key_up = GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_12);
/*
OLED_DrawString_fast(0,0," ",10);
IntToStr(bbb,key_ok);
OLED_DrawString_fast(0,0,bbb,10);
IntToStr(bbb,key_down);
OLED_DrawString_fast(30,0,bbb,10);
IntToStr(bbb,key_up);
OLED_DrawString_fast(60,0,bbb,10);
*/
if (key_ok!=0)
{
key_ok = 0;
key = 1;
//OLED_DrawString_fast(0,0,"000000000",10);
//f_aktive_menu = 1;
/*
if (f_aktive_menu == 1)
{
//f_work_comand = 1;
f_aktive_menu = 0;
f_clearScrin = 1;
curent_cmd = menu_cmd[globa_menu-1];
}
else curent_cmd = 255 ;
*/
}
if (key_down==0)
{
key_down = 0;
key = 2;
/*
if ((globa_menu>1)&&(f_work_comand == 0)) globa_menu--;
else globa_menu = 1;
//IntToStr(bbb,globa_menu);
//OLED_DrawString_fast(0,0,bbb,10);
*/
}
if (key_up==0)
{
key_up = 0;
key = 12;
/*
if ((globa_menu<4)&&(f_work_comand == 0)) globa_menu++;
else globa_menu = 4;
//IntToStr(bbb,globa_menu);
//OLED_DrawString_fast(0,0,bbb,10);
*/
}
if (key!=0)
{
GPIO_SetBits(GPIOA, GPIO_Pin_1);
delay_ms(30);
GPIO_ResetBits(GPIOA, GPIO_Pin_1);
}
/*
if (f_clearScrin==1)
{
OLED_Clear();
f_clearScrin=0;
}
*/
//if (f_aktive_menu==0)
//{
switch(curent_cmd)
{
case 0: //нет команды
PWatch_Menu();
break;
case 1: //Программа показа часов (главная страница)
//OLED_Clear();
//f_work_comand = 1;
PWatch_Anim();
break;
case 2: //Программа настройки даты/времени и др.
//OLED_Clear();
OLED_DrawString_fast(0,0,"Календарь",10);
curent_cmd = 0;
break;
case 3:
//OLED_Clear();
PWatch_Set_Alarm();
break;
case 4:
//OLED_Clear();
//OLED_DrawString_fast(0,0,"Настройки",10);
//f_work_comand = 1;
PWatch_Setup();
break;
case 5:
PWatch_Vibration();
break;
case 254:
OLED_Clear();
break;
/*case 255:
OLED_Clear();
OLED_DrawBitmap_fast(3,12,menu1_sprait,123,40);
f_aktive_menu = 1;
//f_work_comand = 0;
//key=0;
break;
*/
default: //выполнить, если ни один вариант не подошел
break;
}
//}
//else
//{
//PWatch_Menu();
//}
/*
if(WainToAlarm == 1)
{
OLED_DrawString_fast(0,0,"alarm1",10);
WainToAlarm =0;
}
*/
//if(WaitToSleep>=5)
//{
//WaitToSleep=0;
//PWR_ClearFlag(PWR_FLAG_SB); //Сброс флага, который указывает на то, что МК вышел из режима standby
/*
for (i=255; i>0; i--)
{
OLED_SetContrast(i);
IntToStr(a,i);
OLED_DrawString_fast(0,0,a,10);
//delay_ms(500);
}*/
//OLED_DrawBitmap_fast(32,10,Fallout_Bitmaps,58,60);
//delay_ms(1000);
//OLED_Display_Off();!!!!!!!!!!!!!!!!!!!!!!!!1
//RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, DISABLE);
//походу стабилитрон кушает 0.1 мА, общее потребление 0.15мА
//PWR_EnterSTANDBYMode();!!!!!!!!!!!!!!!!!!!!!
//}
//WaitToSleep++;
/*
RCC_GetClocksFreq(&Frequency);
f=Frequency.SYSCLK_Frequency/1000;
IntToStr(a,f);
OLED_DrawString_fast(0,0,a,10);
*/
delay_ms(250);
}
}
/**
* @brief This function configures the system to enter Stop mode with RTC
* clocked by LSI for current consumption measurement purpose.
* STOP Mode with RTC clocked by LSI
* =================================
* - RTC Clocked by LSI
* - Regulator in LP mode
* - HSI and HSE OFF
* - No IWDG
* - Current Consumption ~1.3uA
* - Automatic Wakeup using RTC clocked by LSI (after ~4s)
* @param None
* @retval None
*/
void StopRTCLSIMode_Measure(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/*!< LSI Enable */
RCC_LSICmd(ENABLE);
/*!< Wait till LSI is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{}
/*!< RTC Clock Source Selection */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Configure all GPIO as analog to reduce current consumption on non used IOs */
/* Enable GPIOs clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC |
RCC_AHBPeriph_GPIOD | RCC_AHBPeriph_GPIOE | RCC_AHBPeriph_GPIOH |
RCC_AHBPeriph_GPIOF | RCC_AHBPeriph_GPIOG, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_Init(GPIOH, &GPIO_InitStructure);
GPIO_Init(GPIOG, &GPIO_InitStructure);
GPIO_Init(GPIOF, &GPIO_InitStructure);
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Disable GPIOs clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC |
RCC_AHBPeriph_GPIOD | RCC_AHBPeriph_GPIOE | RCC_AHBPeriph_GPIOH |
RCC_AHBPeriph_GPIOF | RCC_AHBPeriph_GPIOG, DISABLE);
/* Configure Key Button*/
STM_EVAL_PBInit(BUTTON_KEY,BUTTON_MODE_GPIO);
/* Wait Until Key button pressed */
while(STM_EVAL_PBGetState(BUTTON_KEY) == RESET)
{
}
/* Wait Until Key button pressed */
while(STM_EVAL_PBGetState(BUTTON_KEY) != RESET)
{
}
/* EXTI configuration *******************************************************/
EXTI_ClearITPendingBit(EXTI_Line20);
EXTI_InitStructure.EXTI_Line = EXTI_Line20;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable the RTC Wakeup Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* RTC Wakeup Interrupt Generation: Clock Source: RTCCLK_Div16, Wakeup Time Base: ~4s
RTC Clock Source LSI ~37KHz
*/
RTC_WakeUpClockConfig(RTC_WakeUpClock_RTCCLK_Div16);
RTC_SetWakeUpCounter(0x2421);
/* Enable the Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
/* Enable Ultra low power mode */
PWR_UltraLowPowerCmd(ENABLE);
/* Enable Wakeup Counter */
RTC_WakeUpCmd(ENABLE);
/* Enter Stop Mode */
PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);
/* Infinite loop */
while (1)
{
/* Toggle The LED1 */
STM_EVAL_LEDToggle(LED1);
/* Inserted Delay */
for(index = 0; index < 0x5FF; index++);
}
}
