void RTC_Configuration(void)
{
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Reset Backup Domain */
BKP_DeInit();
#ifdef RTCClockSource_LSI
/* Enable LSI */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{
}
/* Select LSI as RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
#elif defined RTCClockSource_LSE
/* Enable LSE */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
/* Select LSE as RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
#endif
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Set RTC prescaler: set RTC period to 1sec */
/* Set RTC prescaler: set RTC period to 1sec */
#ifdef RTCClockSource_LSI
RTC_SetPrescaler(31999); /* RTC period = RTCCLK/RTC_PR = (32.000 KHz)/(31999+1) */
#elif defined RTCClockSource_LSE
RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
#endif
// RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
// 通过直接计算校准RTC时钟(使用0.01ms周期的systick测量再修正RTC预分频系数)。
void RTC_Calibrate(void)
{
unsigned int systick_sta;
unsigned int rtctick_lmt;
unsigned int prescaler = 0;
// 在使用systick测量RTC tick的周期长度之前，初始化systick
NVIC_SetPriority(SysTick_IRQn, 0);
SysTick_Init();
// 开始rtcalarm计数并使能rtcalarm中断
SysTick_Enable();
// 先设置默认的RTC预分频系数(rtc tike = ~1ms)
RTC_SetPrescaler(DEF_RTC_PRESCALER);
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
// 测量RTC单周期长度持续~1秒
rtctick_lmt = systick+1000/SYSTICK_PERIOD;
// 记录测量前的systick值
systick_sta = systick;
// 测量1000个周期的rtc tick(~1s)
while(systick < rtctick_lmt);
prescaler = (DEF_RTC_PRESCALER * 1000)/((systick-systick_sta)/100);
// printf("prescaler = %d.\r\n", prescaler);
// 重新设置RTC预分频系数
RTC_SetPrescaler(prescaler);
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
// 校准完RTC时钟后，停止rtcalarm计数并禁止rtcalarm中断
SysTick_Disable();
// printf("RTC Clock calibrated.\r\n");
}
static void rtcConfig(void)
{
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Reset Backup Domain */
BKP_DeInit();
/* 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 RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
#ifndef PRECISION_IN_MS
/* Set RTC prescaler: set RTC period to 1 sec */
RTC_SetPrescaler(40000); //LSI default is 40k HZ
#else
/* Set RTC prescaler: set RTC period to 1ms */
RTC_SetPrescaler(40); //LSI default is 40k HZ
#endif
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* To output second signal on Tamper pin, the tamper functionality
* must be disabled (by default this functionality is disabled)
*/
//BKP_TamperPinCmd(DISABLE);
/* Enable the RTC Second Output on Tamper Pin */
//BKP_RTCOutputConfig(BKP_RTCOutputSource_Second);
}
/*
************************************************************
* 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;
}
void RTC_Configuration(void)
{
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Reset Backup Domain */
BKP_DeInit();
// Select HSE/128 as RTC Clock Source
RCC_RTCCLKConfig(RCC_RTCCLKSource_HSE_Div128);
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Enable the RTC Second */
// RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Set RTC prescaler: set RTC period to 1sec 1ms */
RTC_SetPrescaler(62); /*62499 RTC period = RTCCLK/RTC_PR = 8M / 128 = 62.5kHz ) -> (62499+1) */
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
void RTC_Configuration(void)
{
/* Reset Backup Domain */
BKP_DeInit();
/* Enable LSE */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
/* Select LSE as RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Set RTC prescaler: set RTC period to 1sec */
RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
void rtc_init() {
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
if(BKP->DR1 != BKP_MAGIC) {
PWR_BackupAccessCmd(ENABLE); /* Allow write access to BKP Domain */
RCC_BackupResetCmd(ENABLE); /* Reset Backup Domain */
RCC_BackupResetCmd(DISABLE);
RCC_LSEConfig(RCC_LSE_ON); /* Enable LSE */
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET); /* Wait till LSE is ready */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE); /* Select LSE as RTC Clock Source */
RCC_RTCCLKCmd(ENABLE); /* Enable RTC Clock */
RTC_WaitForSynchro(); /* Wait for RTC registers synchronization */
RTC_WaitForLastTask();
RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
RTC_WaitForLastTask();
BKP->DR1 = BKP_MAGIC;
PWR_BackupAccessCmd(DISABLE); /* Protect backup registers */
rtc_is_valid = 0;
} else {
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
}
}
/**
* @file RTC_Configuration
* @brief Configures the RTC.
* @param 无
* @retval 无
*/
static void RTC_Configuration(void)
{
//启用PWR和BKP的时钟（from APB1）
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
//后备域解锁
PWR_BackupAccessCmd(ENABLE);
//备份寄存器模块复位
BKP_DeInit();
//外部32.768K时钟使能
RCC_LSEConfig(RCC_LSE_ON);
//等待稳定
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
//RTC时钟源配置成LSE（外部32.768K）
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
//RTC开启
RCC_RTCCLKCmd(ENABLE);
//开启后需要等待APB1时钟与RTC时钟同步，才能读写寄存器
RTC_WaitForSynchro();
//读写寄存器前，要确定上一个操作已经结束
RTC_WaitForLastTask();
//使能秒中断
RTC_ITConfig(RTC_IT_SEC, ENABLE);
//等待寄存器写入完成
RTC_WaitForLastTask();
//设置RTC分频器，使RTC时钟为1Hz
//RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1)
RTC_SetPrescaler(32767);
//等待写入完成
RTC_WaitForLastTask();
}
/**
* @brief Configures RTC clock source and prescaler.
* @param None
* @retval None
*/
void RTC_Configuration(void)
{
/* RTC clock source configuration ----------------------------------------*/
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Reset Backup Domain */
BKP_DeInit();
/* Enable LSE OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSE 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);
/* RTC configuration -----------------------------------------------------*/
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Set the RTC time base to 1s */
RTC_SetPrescaler(32767);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
RTC_ITConfig(RTC_IT_ALR, ENABLE);
RTC_WaitForLastTask();
}
uint8_t RTC_AutoTest(void)
{
uint8_t i = 0;
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Reset Backup Domain */
BKP_DeInit();
/* Enable LSE */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{
Delay_us(50000);
i++;
if(i>100) //5秒都还没起振，坏了
{
return 0;
}
}
/* Select LSE as RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization
* 因为RTC时钟是低速的，内环时钟是高速的，所以要同步
*/
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Set RTC prescaler: set RTC period to 1sec */
RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) = 1HZ */
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
return 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);
}
/*********************************************************************************************************//**
* @brief Configures the RTC.
* @retval None
* @details RTC configuration as following:
* - S/W reset backup domain.
* - Configure RTC.
* - Select LSI as RTC Clock Source.
* - Enable the RTC Second interrupt.
* - RTC prescaler = 32768 to generate 1 second interrupt.
* - Enable clear RTC counter by match function.
*
************************************************************************************************************/
void RTC_Configuration(void)
{
/* Reset Backup Domain */
PWRCU_DeInit();
RTC_ClockSourceConfig(RTC_SRC_LSI);
RTC_IntConfig(RTC_INT_CSEC, ENABLE);
RTC_SetPrescaler(RTC_RPRE_32768);
/* Restart counter when match event occured */
RTC_CMPCLRCmd(ENABLE) ;
}
/*******************************************************************************
* Function Name : RTC_Configuration
* Description : Configures the RTC.
* Input : None
* Output : None
* Return : 0 reday,-1 error.
*******************************************************************************/
int RTC_Configuration(void)
{
u32 count=0x200000;
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Reset Backup Domain */
BKP_DeInit();
/* Enable LSE */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while ( (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET) && (--count) );
if ( count == 0 )
{
rt_kprintf("RTC no init!");
return -1;
}
/* Select LSE as RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Enable the RTC Second */
/* 使能RTC的秒中断 */
//RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
/* 等待上一次对RTC寄存器的写操作完成 */
//RTC_WaitForLastTask();
/* Set RTC prescaler: set RTC period to 1sec */
RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
return 0;
}
/**
* @brief Configures the RTC.
* @param None
* @retval None
*/
void RTC_Configuration(void) {
NVIC_InitTypeDef NVIC_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);
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Reset Backup Domain */
BKP_DeInit();
/* Enable LSE */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET);
/* Select LSE as RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Set RTC prescaler: set RTC period to 1sec */
RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
/*
* 函数名：RTC_Configuration
* 描述 ：配置RTC
* 输入 ：无
* 输出 ：无
* 调用 ：外部调用
*/
void RTC_Configuration(void)
{
/* Enable PWR（电源控制） and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain
* 允许进入后备区域进行写操作，因为后备寄存器中放的是重要的数据，默认是不允许往里面写入值的 */
PWR_BackupAccessCmd(ENABLE);
/* Reset Backup Domain
*将后背寄存器的寄存器值设为默认值 */
BKP_DeInit();
/* Enable LSE
*打开外部低速晶振，RTC可以选择的时钟源是外部和内部低速晶振及外部高速晶振，这里我们选择外部低速晶振32768HZ */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready
*等待外部低速晶振准备就序 */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
/* Select LSE as RTC Clock Source
* 选择外部低速晶振为RTC的时钟源 */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization
* 等待RTC寄存器与RTC的APB时钟同步 */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished
* 等待上次对RTC寄存器配置完成 */
RTC_WaitForLastTask();
/* Enable the RTC Second
* 使能RTC中断_秒中断 */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Set RTC prescaler: set RTC period to 1sec
* 设置RTC的预分频值，因为外部低速晶振是32768，所以选择RTC计数器计数频率
* = RTCCLK/RTC_PR =(32.768 KHz)/(32767+1) */
RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
void RTC_STOP_WakeUp(void)
{
/* Enable PWR and BKP clocks */
/* PWR时钟（电源控制）与BKP时钟（RTC后备寄存器）使能 */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* RTC clock source configuration ----------------------------------------*/
/* Reset Backup Domain */
BKP_DeInit();
/* Enable 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);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* RTC configuration -----------------------------------------------------*/
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Set the RTC time base to 1s */
RTC_SetPrescaler(32767);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Enable the RTC Alarm interrupt */
RTC_ITConfig(RTC_IT_ALR, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
RTC_ClearFlag(RTC_FLAG_SEC);
while(RTC_GetFlagStatus(RTC_FLAG_SEC) == RESET);
/* Alarm in 5 second */
RTC_SetAlarm(RTC_GetCounter()+ 5);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
void RTC_Configuration(void)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
PWR_BackupAccessCmd(ENABLE);
BKP_DeInit();
RCC_LSEConfig(RCC_LSE_ON);
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET);
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
RCC_RTCCLKCmd(ENABLE);
RTC_WaitForSynchro();
RTC_WaitForLastTask();
RTC_ITConfig(RTC_IT_SEC, ENABLE);
RTC_WaitForLastTask();
RTC_SetPrescaler(32767);
RTC_WaitForLastTask();
}
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;
}
/**
* @brief Configures RTC clock source and prescaler.
* @param None
* @retval None
*/
void RTC_Configuration(void)
{
/* Check if the StandBy flag is set */
if(PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{/* System resumed from STANDBY mode */
/* Turn on LD4 */
STM32vldiscovery_LEDOn(LED4);
/* Clear StandBy flag */
PWR_ClearFlag(PWR_FLAG_SB);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* No need to configure the RTC as the RTC configuration(clock source, enable,
prescaler,...) is kept after wake-up from STANDBY */
}
else
{/* StandBy flag is not set */
/* RTC clock source configuration ----------------------------------------*/
/* Reset Backup Domain */
BKP_DeInit();
/* Enable 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);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* RTC configuration -----------------------------------------------------*/
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Set the RTC time base to 1s */
RTC_SetPrescaler(32767);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
}
uint08 RTC_Init(void)
{
//检查是不是第一次配置时钟
uint08 temp=0;
if ( BKP_ReadBackupRegister(BKP_DR1) != 0x5050 ) //从指定的后备寄存器中读出数据:读出了与写入的指定数据不相乎
{
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
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 && temp< 252) //检查指定的RCC标志位设置与否,等待低速晶振就绪
{
temp++;
//delay_ms(10);
//OSTimeDlyHMSM(0, 0, 0, 10);
}
if ( temp>=250 )
{
return 1;//初始化时钟失败,晶振有问题
}
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE); //设置RTC时钟(RTCCLK),选择LSE作为RTC时钟
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_SEC, ENABLE); //使能RTC秒中断
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
RTC_SetPrescaler(32767); //设置RTC预分频的值
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
RTC_Set(2009,12,2,10,0,55); //设置时间
RTC_ExitConfigMode(); //退出配置模式
BKP_WriteBackupRegister(BKP_DR1, 0X5050); //向指定的后备寄存器中写入用户程序数据
}
else//系统继续计时
{
RTC_WaitForSynchro(); //等待最近一次对RTC寄存器的写操作完成
RTC_ITConfig(RTC_IT_SEC, ENABLE); //使能RTC秒中断
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
}
RTC_NVIC_Config();//RCT中断分组设置
RTC_Get();//更新时间
return 0; //ok
}
void RTCInit(void) {
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
// Allow access to BKP Domain
PWR_BackupAccessCmd(ENABLE);
// Reset Backup Domain
BKP_DeInit();
// Enable the LSE OSC
// RCC_LSEConfig(RCC_LSE_ON);
// Disable the LSI OSC
RCC_LSICmd(ENABLE);
// Select the RTC Clock Source
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI); //RCC_RTCCLKSource_LSE);
// Enable the RTC Clock
RCC_RTCCLKCmd(ENABLE);
// Wait for RTC registers synchronization
RTC_WaitForSynchro();
// Wait until last write operation on RTC registers has finished
RTC_WaitForLastTask();
// Enable the RTC overflow interrupt
RTC_ITConfig(RTC_IT_SEC, ENABLE);
//Set 32768 prescaler - for one second interupt
RTC_SetPrescaler(0x7FFF);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
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);
}
// Init RTC
void RTC_Init(void) {
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP,ENABLE); // Enable power control and backup domain
PWR_BackupAccessCmd(ENABLE); // Enable BKP and RTC registers
// Init and enable RTC if it is not enabled
if ((RCC->BDCR & RCC_BDCR_RTCEN) != RCC_BDCR_RTCEN) {
RCC_LSEConfig(RCC_LSE_ON); // Turn on LSE oscillator
while(!RCC_GetFlagStatus(RCC_FLAG_LSERDY)) {} // Wait till LSE is ready
while((RCC->BDCR & RCC_BDCR_LSEON) != RCC_BDCR_LSEON) {}
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE); // Set LSE as clock source
RCC_RTCCLKCmd(ENABLE); // Enable RTC clock
RTC_WaitForSynchro();
RTC_WaitForLastTask();
RTC_SetPrescaler(32768); // Set prescaler --> 1Hz with 32.768KHz quartz on demoboard
RTC_WaitForLastTask();
}
RTC_ITConfig(RTC_IT_SEC,ENABLE); // Enable RTC IRQ
RTC_WaitForLastTask();
}
void rtc_init(void)
{
RCC_APB1PeriphClockCmd(
RCC_APB1Periph_PWR |
RCC_APB1Periph_BKP,
ENABLE
);
PWR_BackupAccessCmd(ENABLE);
// BKP_DeInit();
RCC_RTCCLKConfig(RCC_RTCCLKSource_HSE_Div128);
RCC_RTCCLKCmd(ENABLE);
RTC_WaitForSynchro();
RTC_WaitForLastTask();
RTC_SetPrescaler(RTC_PRESCALER-1);
RTC_WaitForLastTask();
}
u8 RTC_Init(void)
{
//检查是不是第一次配置时钟
u8 temp=0;
RTC_NVIC_Config();
//if(BKP->DR1!=0X5050)//第一次配置
if (BKP_ReadBackupRegister(BKP_DR1) != 0x5050) //从指定的后备寄存器中读出数据:读出了与写入的指定数据不相乎
{
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
BKP_DeInit(); //将外设BKP的全部寄存器重设为缺省值
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) //检查指定的RCC标志位设置与否,等待低速晶振就绪
{
temp++;
delay_ms(10);
}
if(temp>=250)return 1;//初始化时钟失败,晶振有问题
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE); //设置RTC时钟(RTCCLK),选择LSE作为RTC时钟
RCC_RTCCLKCmd(ENABLE); //使能RTC时钟
RTC_WaitForSynchro(); //等待最近一次对RTC寄存器的写操作完成
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
RTC_ITConfig(RTC_IT_SEC, ENABLE); //使能RTC秒中断
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
RTC_SetPrescaler(32767); //设置RTC预分频的值
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
RTC_Set(2009,12,2,10,0,55); //设置时间
BKP_WriteBackupRegister(BKP_DR1, 0X5050); //向指定的后备寄存器中写入用户程序数据
}
else//系统继续计时
{
RTC_WaitForSynchro(); //等待最近一次对RTC寄存器的写操作完成
RTC_ITConfig(RTC_IT_SEC, ENABLE); //使能RTC秒中断
RTC_WaitForLastTask(); //等待最近一次对RTC寄存器的写操作完成
}
RTC_Get();//更新时间
RCC_ClearFlag(); //清除RCC的复位标志位
return 0; //ok
}
void RTC_Init()
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
PWR_BackupAccessCmd(ENABLE);
//采用HSE/128作为时钟频率
RCC_HSEConfig(RCC_HSE_ON);
RCC_RTCCLKConfig(RCC_RTCCLKSource_HSE_Div128);
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* RTC period = RTCCLK/RTC_PR = (8MHz/128)/(62499+1) = 1 (HSE)*/
RTC_SetPrescaler(62499);
/* 等待上一次对RTC寄存器的写操作完成 */
RTC_WaitForLastTask();
}
int main(void)
{
uint8_t system_state=0, i2c_resets=0, si446x_resets=0;//used to track button press functionality and any errors
uint8_t sensors=0;
uint32_t repetition_counter=0; //Used to detect any I2C lockup
uint8_t L3GD20_Data_Buffer_old[8]; //Used to test for noise in the gyro data (indicating that it is working)
uint8_t UplinkFlags=0,CutFlags=0;
uint16_t UplinkBytes=0; //Counters and flags for telemetry
uint32_t last_telemetry=0,cutofftime=0,indtest=0,badgyro=0,permission_time=0,countdown_time=0,last_cuttest=0;
uint16_t sentence_counter=0;
uint8_t silab;
//Cutdown config stuff here, atm uses hardcoded polygon defined in polygon.h
static const int32_t Geofence[UK_GEOFENCE_POINTS*2]=UK_GEOFENCE;
RTC_t RTC_time;
_REENT_INIT_PTR(&my_reent);
_impure_ptr = &my_reent;
SystemInit(); //Sets up the clk
setup_gpio(); //Initialised pins, and detects boot source
DBGMCU_Config(DBGMCU_IWDG_STOP, ENABLE); //Watchdog stopped during JTAG halt
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);/* Enable PWR and BKP clocks */
PWR_BackupAccessCmd(ENABLE);/* Allow access to BKP Domain */
uint16_t shutdown_lock=BKP_ReadBackupRegister(BKP_DR3); //Holds the shutdown lock setting
uint16_t reset_counter=BKP_ReadBackupRegister(BKP_DR2); //The number of consecutive failed reboot cycles
PWR_BackupAccessCmd(DISABLE);
if(RCC->CSR&RCC_CSR_IWDGRSTF && shutdown_lock!=SHUTDOWNLOCK_MAGIC) {//Watchdog reset, turn off
RCC->CSR|=RCC_CSR_RMVF; //Reset the reset flags
shutdown();
}
if(USB_SOURCE==bootsource) {
RCC->CFGR &= ~(uint32_t)RCC_CFGR_PPRE1_DIV16;
RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV4;//Swap the ABP1 bus to run at 12mhz rather than 4 if we booted from USB, makes USB fast enough
}
SysTick_Configuration(); //Start up system timer at 100Hz for uSD card functionality
Watchdog_Config(WATCHDOG_TIMEOUT); //Set the watchdog
Watchdog_Reset(); //Reset watchdog as soon as possible incase it is still running at power on
rtc_init(); //Real time clock initialise - (keeps time unchanged if set)
Usarts_Init();
ISR_Config();
rprintfInit(__usart_send_char); //Printf over the bluetooth
if(USB_SOURCE==bootsource) {
Set_System(); //This actually just inits the storage layer
Set_USBClock();
USB_Interrupts_Config();
USB_Init();
uint32_t nojack=0x000FFFFF; //Countdown timer - a few hundered ms of 0v on jack detect forces a shutdown
while (bDeviceState != CONFIGURED) { //Wait for USB config - timeout causes shutdown
if((Millis>10000 && bDeviceState == UNCONNECTED)|| !nojack) //No USB cable - shutdown (Charger pin will be set to open drain, cant be disabled without usb)
shutdown();
if(GET_VBUS_STATE) //Jack detect resets the countdown
nojack=0x0FFFFF;
nojack--;
Watchdog_Reset(); //Reset watchdog here, if we are stalled here the Millis timeout should catch us
}
PWR_BackupAccessCmd(ENABLE); /* Allow access to BKP Domain */
BKP_WriteBackupRegister(BKP_DR3,0x0000);//Wipe the shutdown lock setting
PWR_BackupAccessCmd(DISABLE);
while(1) {
if(!(Millis%1000) && bDeviceState == SUSPENDED) {
Delay(100);
if(!GET_VBUS_STATE)
shutdown();
}
Watchdog_Reset();
__WFI(); //Sleep mode
}
}
if(!GET_PWR_STATE && !(CoreDebug->DHCSR&0x00000001) && shutdown_lock!=SHUTDOWNLOCK_MAGIC) {//Check here to make sure the power button is still pressed, if not, sleep if no debug and not in always on flight mode
shutdown(); //This means a glitch on the supply line, or a power glitch results in sleep
}
// check to see if battery has enough charge to start
ADC_Configuration(); //We leave this a bit later to allow stabilisation
{
uint32_t t=Millis;
while(Millis<(t+100)){__WFI();} //Sensor+inst amplifier takes about 100ms to stabilise after power on
}
if(Battery_Voltage<BATTERY_STARTUP_LIMIT) { //We will have to turn off
if(reset_counter<10)
shutdown();
}
Watchdog_Reset(); //Card Init can take a second or two
// system has passed battery level check and so file can be opened
{//Context
uint8_t silabs_header[5]={};
uint8_t* silabs_header_=NULL; //Pointer to the array (if all goes ok)
if((f_err_code = f_mount(0, &FATFS_Obj)))Usart_Send_Str((char*)"FatFs mount error\r\n");//This should only error if internal error
else { //FATFS initialised ok, try init the card, this also sets up the SPI1
if(!(f_err_code=f_open(&FATFS_logfile,(const TCHAR*)"time.txt",FA_OPEN_EXISTING|FA_READ|FA_WRITE))){//Try to open time file get system time
if(!f_stat((const TCHAR *)"time.txt",&FATFS_info)) {//Get file info
if(FATFS_info.fsize<5) { //Empty file
RTC_time.year=(FATFS_info.fdate>>9)+1980;//populate the time struct (FAT start==1980, RTC.year==0)
RTC_time.month=(FATFS_info.fdate>>5)&0x000F;
RTC_time.mday=FATFS_info.fdate&0x001F;
RTC_time.hour=(FATFS_info.ftime>>11)&0x001F;
RTC_time.min=(FATFS_info.ftime>>5)&0x003F;
RTC_time.sec=(FATFS_info.ftime<<1)&0x003E;
rtc_settime(&RTC_time);
rprintfInit(__fat_print_char);//printf to the open file
printf("RTC set to %d/%d/%d %d:%d:%d\n",RTC_time.mday,RTC_time.month,RTC_time.year,\
RTC_time.hour,RTC_time.min,RTC_time.sec);
}
}
f_close(&FATFS_logfile); //Close the time.txt file
}
// load settings if file exists
Watchdog_Reset(); //Card Init can take a second or two
if(!f_open(&FATFS_logfile,(const TCHAR *)"settings.dat",FA_OPEN_EXISTING | FA_READ)) {
UINT br;
int8_t rtc_correction;
f_read(&FATFS_logfile, (void*)(&rtc_correction),sizeof(rtc_correction),&br);
//Use the setting to apply correction to the RTC
if(br && (rtc_correction<30) && (rtc_correction>-92) && rtc_correction ) {
PWR_BackupAccessCmd(ENABLE);/* Allow access to BKP Domain */
uint16_t tweaked_prescale = (0x0001<<15)-2;/* Try to run the RTC slightly too fast so it can be corrected either way */
RTC_WaitForSynchro(); /* Wait for RTC registers synchronization */
if( RTC->PRLL != tweaked_prescale ) {/*Note that there is a 0.5ppm offset here (correction 0==0.5ppm slow)*/
RTC_SetPrescaler(tweaked_prescale); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767-2+1) */
RTC_WaitForLastTask();
}
BKP_SetRTCCalibrationValue((uint8_t) ((int16_t)31-(21*(int16_t)rtc_correction)/(int16_t)20) );
BKP_RTCOutputConfig(BKP_RTCOutputSource_None);/* Ensure any output is disabled here */
/* Lock access to BKP Domain */
PWR_BackupAccessCmd(DISABLE);
}
else if(br && ((uint8_t)rtc_correction==0x91) ) {/* 0x91 magic flag sets the RTC clock output on */
PWR_BackupAccessCmd(ENABLE);/* Allow access to BKP Domain */
BKP_RTCOutputConfig(BKP_RTCOutputSource_CalibClock);/* Output a 512Hz reference clock on the TAMPER pin*/
PWR_BackupAccessCmd(DISABLE);
}
if(br) {
f_read(&FATFS_logfile, (void*)(&shutdown_lock),sizeof(shutdown_lock),&br);/*This needs to be set with the same magic flag value*/
if(br==2) {
PWR_BackupAccessCmd(ENABLE);/* Allow access to BKP Domain */
BKP_WriteBackupRegister(BKP_DR3,shutdown_lock);//Wipe the shutdown lock setting
PWR_BackupAccessCmd(DISABLE);
}
}
if(br==2) { //Read was successful, next try to read 5 bytes of packet header
f_read(&FATFS_logfile, (void*)(silabs_header),5,&br);
if(br!=5)
silabs_header_=silabs_header;
}
f_close(&FATFS_logfile); //Close the settings.dat file
}
#ifndef SINGLE_LOGFILE
rtc_gettime(&RTC_time); //Get the RTC time and put a timestamp on the start of the file
rprintfInit(__str_print_char); //Print to the string
printf("%02d-%02d-%02dT%02d-%02d-%02d-%s.csv",RTC_time.year,RTC_time.month,RTC_time.mday,RTC_time.hour,RTC_time.min,RTC_time.sec,"Log");//Timestamp name
rprintfInit(__usart_send_char); //Printf over the bluetooth
#endif
Watchdog_Reset(); //Card Init can take a second or two
if((f_err_code=f_open(&FATFS_logfile,(TCHAR*)LOGFILE_NAME,FA_CREATE_ALWAYS | FA_WRITE))) {//Present
Delay(10000);
if((f_err_code=f_open(&FATFS_logfile,(TCHAR*)LOGFILE_NAME,FA_CREATE_ALWAYS | FA_WRITE))) {//Try again
printf("FatFs drive error %d\r\n",f_err_code);
if(f_err_code==FR_DISK_ERR || f_err_code==FR_NOT_READY)
Usart_Send_Str((char*)"No uSD card inserted?\r\n");
}
}
else {
Watchdog_Reset(); //Card Init can take a second or two
print_string[strlen(print_string)-4]=0x00;//Wipe the .csv off the string
strcat(print_string,"_gyro.wav");
if((f_err_code=f_open(&FATFS_wavfile_gyro,(TCHAR*)LOGFILE_NAME,FA_CREATE_ALWAYS | FA_WRITE))) {//Present
printf("FatFs drive error %d\r\n",f_err_code);
if(f_err_code==FR_DISK_ERR || f_err_code==FR_NOT_READY)
Usart_Send_Str((char*)"No uSD card inserted?\r\n");
}
else { //We have a mounted card
f_err_code=f_lseek(&FATFS_logfile, PRE_SIZE);// Pre-allocate clusters
if (f_err_code || f_tell(&FATFS_logfile) != PRE_SIZE)// Check if the file size has been increased correctly
Usart_Send_Str((char*)"Pre-Allocation error\r\n");
else {
if((f_err_code=f_lseek(&FATFS_logfile, 0)))//Seek back to start of file to start writing
Usart_Send_Str((char*)"Seek error\r\n");
else
rprintfInit(__str_print_char);//Printf to the logfile
}
if(f_err_code)
f_close(&FATFS_logfile);//Close the already opened file on error
else
file_opened=1; //So we know to close the file properly on shutdown
if(file_opened==1) {
Watchdog_Reset(); //Card Init can take a second or two
if (f_err_code || f_tell(&FATFS_wavfile_gyro) != PRE_SIZE)// Check if the file size has been increased correctly
Usart_Send_Str((char*)"Pre-Allocation error\r\n");
else {
if((f_err_code=f_lseek(&FATFS_logfile, 0)))//Seek back to start of file to start writing
Usart_Send_Str((char*)"Seek error\r\n");
else
rprintfInit(__str_print_char);//Printf to the logfile
}
if(f_err_code)
f_close(&FATFS_wavfile_gyro);//Close the already opened file on error
else
file_opened|=2; //So we know to close the file properly on shutdown
}
}
}
}
f_err_code|=write_wave_header(&FATFS_wavfile_gyro, 4, 100, 16);//4 channels, last channel is for the current rpm
Watchdog_Reset(); //Card Init can take a second or two
//Setup and test the silabs radio
silab=si446x_setup(silabs_header_);
if(silab!=0x44) { //Should return the device code
print_string[0]=0x00;
printf("Silabs: %02x\n",silab);
f_puts("Silabs detect error, got:",&FATFS_logfile);
f_puts(print_string,&FATFS_logfile);
shutdown_filesystem(ERR, file_opened);//So we log that something went wrong in the logfile
shutdown();
}
}//Context
//extern void flash_write_time_volitage(u8 addr_index,uint16_t volitage,u8 year_H,u8 year_L,u8 month_H,u8 month_L,u8 day_H,u8 day_L,u8 hh_H,u8 hh_L,u8 mm_H,u8 mm_L,u8 ss_H,u8 ss_L ) ;
void operating_12864_system (void) //按键操作和界面切换
{
u16 u16_WaitForOscSource,startv=0;
if(rcc_flag==0)
{
if(k1==key_ok)
{
k1=key_none;
rcc_flag=1;
DebugMenu(1);
}
if(k1==key_cancel)
{
k1=key_none;
flag_i=1;
voltage=0;
Alarm_flag_1=0;
BUZZER_off;
Fault_led_off;
Relay_off;
// buzzer_tick_flag=1;
}
}
if(rcc_flag==1)
{
// Delay_ms(1000);
// flag_system=1;
if(flag_debug==0)
{
flag_debug=1;
}
switch (k1)
{
case key_down:
k1=key_none;
flag_debug++;
if(flag_debug>4)
{
flag_debug=1;
}
DebugMenu(flag_debug);
// Delay_ms(20);
break;
case key_up:
k1=key_none;
flag_debug--;
if(flag_debug==0)
{
flag_debug=4;
}
DebugMenu(flag_debug);
// Delay_ms(20);
break;
case key_cancel:
rcc_flag=0;
flag_debug=1;
// Delay_ms(20);
k1=key_none;
//DebugMenu(flag_debug);
break;
case key_ok:
k1=key_none;
if(flag_debug==1)
{
rcc_flag=21;
flag_debug=1;
SecondSet(flag_debug);
}
if(flag_debug==2)
{
rcc_flag=22;
flag_debug=1;
SecondSystemDebug(flag_debug);
}
if(flag_debug==3)
{
rcc_flag=23;
fault_num=flash_num<0?0:flash_num;
// if(flash_num<0)
// {
// fault_num=0;
// }
// else{
// fault_num=flash_num;
// }
flash_read_time_volitage(start_addr+fault_num*14);
Second_Fault_record(frecord.voltage,fault_num+1,frecord.year_H,frecord.year_L,frecord.month_H,frecord.month_L,frecord.day_H,frecord.day_L,frecord.hh_H,frecord.hh_L,frecord.mm_H,frecord.mm_L,frecord.ss_H,frecord.ss_L);
// flash_read_time_volitage(start_addr+14*fault_num);
// Second_Fault_record(frecord.voltage,fault_num+1,frecord.year_H,frecord.year_L,frecord.month_H,frecord.month_L,frecord.day_H,frecord.day_L,frecord.hh_H,frecord.hh_L,frecord.mm_H,frecord.mm_L,frecord.ss_H,frecord.ss_L);
}
if(flag_debug==4)
{
rcc_flag=24;
Second_clear_fault_records();
}
break;
}
}
if(rcc_flag==21)
{
//flag_debug=1;
switch (k1)
{
case key_down:
k1=key_none;
flag_debug++;
if(flag_debug>2)
{
flag_debug=1;
}
SecondSet(flag_debug);
// Delay_ms(20);
break;
case key_up:
k1=key_none;
flag_debug--;
if(flag_debug==0)
{
flag_debug=2;
}
SecondSet(flag_debug);
// Delay_ms(20);
break;
case key_cancel:
flag_debug=0;
rcc_flag=1;
DebugMenu(1);
// Delay_ms(20);
k1=key_none;
//DebugMenu(flag_debug);
break;
case key_ok:
k1=key_none;
if(flag_debug==1)
{
rcc_flag=31;
ThirdSystemSetting(1);
}
if(flag_debug==2)
{
flag_debug=1;
rcc_flag=32;
ThirdBaudRateSetting(flag_debug,Device_Add,Band_Rate,Data_bits,Stop_bits);
}
break;
}
}
if(rcc_flag==22)
{
//flag_debug=1;
switch (k1)
{
case key_down:
k1=key_none;
flag_debug++;
if(flag_debug>4)
{
flag_debug=1;
}
SecondSystemDebug(flag_debug);
// Delay_ms(20);
break;
case key_up:
k1=key_none;
flag_debug--;
if(flag_debug==0)
{
flag_debug=4;
}
SecondSystemDebug(flag_debug);
// Delay_ms(20);
break;
case key_cancel:
flag_debug=1;
rcc_flag=1;
// Delay_ms(20);
k1=key_none;
DebugMenu(1);
//DebugMenu(flag_debug);
break;
case key_ok:
k1=key_none;
if(flag_debug==1)
{
flag_debug=1;
rcc_flag=33;
ThirdChange();
}
if(flag_debug==2)
{
flag_debug=1;
rcc_flag=34;
ThirdCorrect();
}
if(flag_debug==3)
{
flag_debug=1;
rcc_flag=35;
ThirdCheck();
}
if(flag_debug==4)
{
flag_debug=1;
rcc_flag=36;
ThirdReguration(1,1,1,1);
}
break;
}
}
if(rcc_flag==23)
{
//flag_debug=1;
switch (k1)
{
case key_down:
fault_num++;
if(fault_num>=50)
{
fault_num=0;
}
flash_read_time_volitage(start_addr+14*fault_num);
Second_Fault_record(frecord.voltage,fault_num+1,frecord.year_H,frecord.year_L,frecord.month_H,frecord.month_L,frecord.day_H,frecord.day_L,frecord.hh_H,frecord.hh_L,frecord.mm_H,frecord.mm_L,frecord.ss_H,frecord.ss_L);
// fault_num=flash_num;
k1=key_none;
break;
case key_up:
fault_num--;
if(fault_num<0)
{
fault_num=49;
}
flash_read_time_volitage(start_addr+14*fault_num);
Second_Fault_record(frecord.voltage,fault_num+1,frecord.year_H,frecord.year_L,frecord.month_H,frecord.month_L,frecord.day_H,frecord.day_L,frecord.hh_H,frecord.hh_L,frecord.mm_H,frecord.mm_L,frecord.ss_H,frecord.ss_L);
// fault_num=flash_num;
k1=key_none;
break;
case key_cancel:
rcc_flag=1;
// Delay_ms(20);
flag_debug=1;
k1=key_none;
DebugMenu(1);
//DebugMenu(flag_debug);
break;
case key_ok:
k1=key_none;
// rcc_flag=2;
break;
}
}
if(rcc_flag==24)
{
//flag_debug=1;
switch (k1)
{
case key_cancel:
rcc_flag=1;
flag_debug=1;
// Delay_ms(20);
k1=key_none;
DebugMenu(1);
//DebugMenu(flag_debug);
break;
case key_ok:
k1=key_none;
// fi++;
rcc_flag=2;
//flash_cache[300]=0;
// for(fi=0;fi<255;fi++)
// {
// flash_cache[fi]=0;
// }
// Delay_ms(100);
// flash_write_time_volitage(0,0,0,0,0,0,0,0,0,0,0,0,0,0 ) ;
// Delay_ms(500);
// flash_write(0xffff,flash_num_addr);
break;
}
}
if(rcc_flag==31)
{
//flag_debug=1;
switch (k1)
{
case key_down:
k1=key_none;
flag_debug++;
if(flag_debug>2)
{
flag_debug=1;
}
ThirdSystemSetting(flag_debug);
// Delay_ms(20);
break;
case key_up:
k1=key_none;
flag_debug--;
if(flag_debug==0)
{
flag_debug=2;
}
ThirdSystemSetting(flag_debug);
// Delay_ms(20);
break;
case key_cancel:
flag_debug=1;
rcc_flag=21;
SecondSet(1);
// Delay_ms(20);
k1=key_none;
timer.sec=ss_H*10+ss_L;
timer.min=mm_H*10+mm_L;
timer.hour=hh_H*10+hh_L;
timer.w_date=day_H*10+day_L;
timer.w_month=month_H*10+month_L;
timer.w_year=(year_H*10+year_L)+2000;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Reset Backup Domain */
BKP_DeInit();
/* Enable LSE */
RCC_LSEConfig(RCC_LSE_ON);
for(u16_WaitForOscSource=0;u16_WaitForOscSource<5000;u16_WaitForOscSource++)
{
}
/* Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET);
/* Select LSE as RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Set RTC prescaler: set RTC period to 1sec */
RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
BKP_WriteBackupRegister(BKP_DR1, 0x5A5A);
RTC_Set(timer.w_year,timer.w_month,timer.w_date,timer.hour,timer.min,timer.sec);
break;
case key_ok:
k1=key_none;
if(flag_debug==1)
{
flag_debug=1;
rcc_flag=41;
FourStart(start_v);
}
if(flag_debug==2)
{
flag_debug=1;
rcc_flag=42;
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
}
break;
}
}
if(rcc_flag==32)
{
//flag_debug=1;
switch (k1)
{
case key_down:
k1=key_none;
flag_debug++;
if(flag_debug>4)
{
flag_debug=1;
}
ThirdBaudRateSetting(flag_debug,Device_Add,Band_Rate,Data_bits,Stop_bits);
// Delay_ms(20);
break;
case key_up:
k1=key_none;
flag_debug--;
if(flag_debug==0)
{
flag_debug=4;
}
ThirdBaudRateSetting(flag_debug,Device_Add,Band_Rate,Data_bits,Stop_bits);
// Delay_ms(20);
break;
case key_cancel:
flag_debug=1;
rcc_flag=21;
SecondSet(1);
// Delay_ms(20);
k1=key_none;
//DebugMenu(flag_debug);
break;
case key_ok:
k1=key_none;
if(flag_debug==1)
{
// flag_debug=1;
rcc_flag=43;
}
else if(flag_debug==2)
{
// flag_debug=1;
rcc_flag=44;
}
else if(flag_debug==3)
{
// flag_debug=1;
rcc_flag=45;
}
else if(flag_debug==4)
{
// flag_debug=1;
rcc_flag=46;
}
break;
}
}
if(rcc_flag==33)
{
//flag_debug=1;
switch (k1)
{
case key_cancel:
flag_debug=1;
rcc_flag=22;
SecondSystemDebug(1);
// Delay_ms(20);
k1=key_none;
//DebugMenu(flag_debug);
break;
case key_ok:
break;
}
}
if(rcc_flag==34)
{
//flag_debug=1;
switch (k1)
{
case key_down:
break;
case key_up:
// Delay_ms(20);
break;
case key_cancel:
flag_debug=1;
rcc_flag=22;
SecondSystemDebug(1);
// Delay_ms(20);
k1=key_none;
//DebugMenu(flag_debug);
break;
case key_ok:
break;
}
}
if(rcc_flag==35)
{
//flag_debug=1;
switch (k1)
{
case key_down:
break;
case key_up:
// Delay_ms(20);
break;
case key_cancel:
flag_debug=1;
rcc_flag=22;
SecondSystemDebug(1);
// Delay_ms(20);
k1=key_none;
//DebugMenu(flag_debug);
break;
case key_ok:
break;
}
}
if(rcc_flag==36)
{
//flag_debug=1;
switch (k1)
{
case key_down:
k1=key_none;
flag_debug++;
if(flag_debug>3)
{
flag_debug=1;
}
ThirdReguration(flag_debug,flag_Led,flag_Relay,flag_Buzzer);
break;
case key_up:
k1=key_none;
flag_debug--;
if(flag_debug==0)
{
flag_debug=3;
}
ThirdReguration(flag_debug,flag_Led,flag_Relay,flag_Buzzer);
break;
case key_cancel:
flag_debug=1;
rcc_flag=22;
SecondSystemDebug(1);
// Delay_ms(20);
k1=key_none;
//DebugMenu(flag_debug);
break;
case key_ok:
k1=key_none;
if(flag_debug==1)
{
++flag_Led;
if(flag_Led<1)
{
flag_Led=2;
}
else if(flag_Led>2)
{
flag_Led=1;
}
ThirdReguration(1,flag_Led,flag_Relay,flag_Buzzer);
}
if(flag_debug==2)
{
++flag_Relay;
if(flag_Relay<1)
{
flag_Relay=2;
}
else if(flag_Relay>2)
{
flag_Relay=1;
}
ThirdReguration(2,flag_Led,flag_Relay,flag_Buzzer);
}
if(flag_debug==3)
{
++flag_Buzzer;
if(flag_Buzzer<1)
{
flag_Buzzer=2;
}
else if(flag_Buzzer>2)
{
flag_Buzzer=1;
}
ThirdReguration(3,flag_Led,flag_Relay,flag_Buzzer);
}
break;
}
}
if(rcc_flag==41)
{
//flag_debug=1;
switch (k1)
{
case key_down:
if(start_v<=0)
{
start_v=0;
}
start_v-=5;
FourStart(start_v);
// Delay_ms(20);
k1=key_none;
break;
case key_up:
start_v+=5;
FourStart(start_v);
// Delay_ms(20);
k1=key_none;
break;
case key_cancel:
startv=start_v;
flag_debug=1;
rcc_flag=31;
ThirdSystemSetting(1);
k1=key_none;
// flash_write_start_v(start_v);
flash_write(startv,start_v_addr);
break;
case key_ok:
break;
}
}
if(rcc_flag==42)
{
//flag_debug=1;
switch (k1)
{
case key_down:
break;
case key_up:
break;
case key_cancel:
flag_debug=1;
rcc_flag=31;
ThirdSystemSetting(1);
// Delay_ms(20);
k1=key_none;
//DebugMenu(flag_debug);
break;
case key_ok:
++flagTime;
if(flagTime > 12)
{
flagTime = 1;
}
k1=key_none;
break;
}
}
/*设置时间*/
if(flagTime==1)
{
switch (k1)
{
case key_down:
--ss_L;
if(ss_L<0)
{
ss_L = 9;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++ss_L;
if(ss_L>9)
{
ss_L = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==2)
{
switch (k1)
{
case key_down:
--ss_H;
if(ss_H<0)
{
ss_H = 6;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++ss_H;
if(ss_H>6)
{
ss_H = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==3)
{
switch (k1)
{
case key_down:
--mm_L;
if(mm_L<0)
{
mm_L = 9;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++mm_L;
if(mm_L>9)
{
mm_L = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==4)
{
switch (k1)
{
case key_down:
--mm_H;
if(mm_H<0)
{
mm_H = 6;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++mm_H;
if(mm_H>6)
{
mm_H = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==5)
{
switch (k1)
{
case key_down:
--hh_L;
if(hh_L<0)
{
hh_L = 9;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++hh_L;
if(hh_L>9)
{
hh_L = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==6)
{
switch (k1)
{
case key_down:
--hh_H;
if(hh_H<0)
{
hh_H = 2;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++hh_H;
if(hh_H>2)
{
hh_H = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==7)
{
switch (k1)
{
case key_down:
--day_L;
if(day_L<0)
{
day_L = 9;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++day_L;
if(day_L>9)
{
day_L = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==8)
{
switch (k1)
{
case key_down:
--day_H;
if(day_H<0)
{
day_H = 3;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++day_H;
if(day_H>3)
{
day_H = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==9)
{
switch (k1)
{
case key_down:
--month_L;
if(month_L<0)
{
month_L = 9;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++month_L;
if(month_L>9)
{
month_L = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==10)
{
switch (k1)
{
case key_down:
--month_H;
if(month_H<0)
{
month_H = 1;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++month_H;
if(month_H>1)
{
month_H = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==11)
{
switch (k1)
{
case key_down:
--year_L;
if(year_L<0)
{
year_L = 9;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++year_L;
if(year_L>9)
{
year_L = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
else if(flagTime==12)
{
switch (k1)
{
case key_down:
--year_H;
if(year_H<0)
{
year_H = 9;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
case key_up:
++year_H;
if(year_H>9)
{
year_H = 0;
}
FourTime(year_H, year_L, month_H, month_L, day_H, day_L, hh_H, hh_L, mm_H, mm_L, ss_H, ss_L);
k1=key_none;
break;
}
}
if(rcc_flag==43) //设置装置号
{
switch (k1)
{
case key_down:
--Device_Add;
if(Device_Add<1)
{
Device_Add = 255;
}
ThirdBaudRateSetting(1,Device_Add,Band_Rate,Data_bits,Stop_bits);
k1=key_none;
break;
case key_up:
++Device_Add;
if(Device_Add>255)
{
Device_Add = 1;
}
ThirdBaudRateSetting(1,Device_Add,Band_Rate,Data_bits,Stop_bits);
k1=key_none;
break;
case key_cancel: //设置装置后返回
flag_debug=1;
rcc_flag=21;
SecondSet(1);
// flash_write_device_b(Device_Add);
flash_write(Device_Add,device_id_addr);
k1=key_none;
break;
}
}
if(rcc_flag==44) //设置波特率
{
switch (k1)
{
case key_down:
k1=key_none;
--flag_debug;
if(flag_debug<1)
{
flag_debug = 4;
}
switch(flag_debug)
{
case 1:
Band_Rate=4800;
break;
case 2:
Band_Rate=9600;
break;
case 3:
Band_Rate=19200;
break;
case 4:
Band_Rate=115200;
break;
}
ThirdBaudRateSetting(2,Device_Add,Band_Rate,Data_bits,Stop_bits);
break;
case key_up:
k1=key_none;
k1=key_none;
++flag_debug;
if(flag_debug>4)
{
flag_debug = 0;
}
switch(flag_debug)
{
case 1:
Band_Rate=4800;
break;
case 2:
Band_Rate=9600;
break;
case 3:
Band_Rate=19200;
break;
case 4:
Band_Rate=115200;
break;
}
ThirdBaudRateSetting(2,Device_Add,Band_Rate,Data_bits,Stop_bits);
break;
case key_cancel: //设置装置后返回
flag_debug=1;
rcc_flag=21;
SecondSet(1);
k1=key_none;
uart_init(Band_Rate);
RS485_Init(Band_Rate); //波特率设置 485
// flash_write_Band_Rate(Band_Rate);
flash_write(Band_Rate,Band_Rate_addr);
break;
}
}
if(rcc_flag==45) //设置数据位
{
switch (k1)
{
case key_down:
--Data_bits;
if(Data_bits<5)
{
Data_bits = 8;
}
ThirdBaudRateSetting(3,Device_Add,Band_Rate,Data_bits,Stop_bits);
k1=key_none;
break;
case key_up:
++Data_bits;
if(Data_bits>9)
{
Data_bits = 5;
}
ThirdBaudRateSetting(3,Device_Add,Band_Rate,Data_bits,Stop_bits);
k1=key_none;
break;
case key_cancel: //设置停止位
flag_debug=1;
rcc_flag=21;
SecondSet(1);
// flash_write_device_b(Device_Add);
// flash_write_databits(Data_bits);
flash_write(Data_bits,databits_addr);
k1=key_none;
break;
}
}
if(rcc_flag==46) //设置停止位
{
switch (k1)
{
case key_down:
--Stop_bits;
if(Stop_bits<1)
{
Stop_bits = 9;
}
ThirdBaudRateSetting(4,Device_Add,Band_Rate,Data_bits,Stop_bits);
k1=key_none;
break;
case key_up:
++Stop_bits;
if(Stop_bits>10)
{
Stop_bits = 1;
}
ThirdBaudRateSetting(4,Device_Add,Band_Rate,Data_bits,Stop_bits);
k1=key_none;
break;
case key_cancel: //设置停止位
flag_debug=1;
rcc_flag=21;
SecondSet(1);
// flash_write_stopbits(Stop_bits);
flash_write(Stop_bits,stopbits_addr);
k1=key_none;
break;
}
}
}
/**
* @brief Configures the RTC.
* @param None
* @retval None
*/
void RTC_Configuration(void) {
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);
/* 2 bits for Preemption Priority and 2 bits for Sub Priority */
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
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);
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Reset Backup Domain */
BKP_DeInit();
/* Enable LSE */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET);
/* Select LSE as RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* 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);
/* Set RTC prescaler: set RTC period to 1sec */
RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
/**
* @brief COnfiguration of RTC Registers, Selection and Enabling of
* RTC clock
* @param None
* @retval : None
*/
void RTC_Configuration()
{
uint16_t WaitForOscSource;
/*Allow access to Backup Registers*/
PWR_BackupAccessCmd(ENABLE);
BKP_RTCOutputConfig(BKP_RTCOutputSource_None);
if(READ_BKP_CONFIGURATION() != CONFIGURATION_DONE)
{
/*Enables the clock to Backup and power interface peripherals */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_BKP | RCC_APB1Periph_PWR, ENABLE);
/* Backup Domain Reset */
BKP_DeInit();
set_time(&s_DateStructVar);
set_alarm(&s_AlarmDateStructVar);
//EE_Format();
/*Enable 32.768 kHz external oscillator */
RCC_LSEConfig(RCC_LSE_ON);
for(WaitForOscSource = 0; WaitForOscSource < 5000; WaitForOscSource++);
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* RTC Enabled */
RCC_RTCCLKCmd(ENABLE);
RTC_WaitForLastTask();
/*Wait for RTC registers synchronisation */
RTC_WaitForSynchro();
RTC_WaitForLastTask();
/* Setting RTC Interrupts-Seconds interrupt enabled */
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC , ENABLE);
RTC_WaitForLastTask();
/* Set RTC prescaler: set RTC period to 1 sec */
RTC_SetPrescaler(32765); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
/* Prescaler is set to 32766 instead of 32768 to compensate for
lower as well as higher frequencies*/
RTC_WaitForLastTask();
WRITE_BKP_CONFIGURATION(CONFIGURATION_DONE);
}
else
{
/* PWR and BKP clocks selection */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
for(WaitForOscSource = 0; WaitForOscSource < 5000; WaitForOscSource++);
RTC_WaitForLastTask();
/* Enable the RTC Alarm */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
RTC_WaitForLastTask();
}
/* Check if how many days are elapsed in power down/Low Power Mode-
Updates Date that many Times*/
CheckForDaysElapsed();
}