基于STM32 hal库实现的RTC实时时钟设计源码 -

/**
******************************************************************************
* File Name : main.c
* Description : Main program body
******************************************************************************
** This notice applies to any and all portions of this file
* that are not between comment pairs USER CODE BEGIN and
* USER CODE END. Other portions of this file, whether
* inserted by the user or by software development tools
* are owned by their respective copyright owners.
*
* COPYRIGHT(c) 2018 STMicroelectronics
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32l0xx_hal.h"
#include "lcd.h"
#include "key.h"
#include "time_con.h"
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
RTC_HandleTypeDef hrtc;
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_RTC_Init(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE END PFP */
/* USER CODE BEGIN 0 */
HAL_StatusTypeDef RTC_Set_Time(u8 hour,u8 min,u8 sec);
HAL_StatusTypeDef RTC_Set_Date(u8 year,u8 month,u8 date,u8 week);
/* USER CODE END 0 */
int main(void)
{
/* USER CODE BEGIN 1 */
RTC_TimeTypeDef rtc_timeStruct;
RTC_DateTypeDef rtc_dateStruct;
u8 tbuf[40];
static u8 key,weeks;
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_RTC_Init();
/* USER CODE BEGIN 2 */
LCD1602_Init();
HAL_Delay(100);
HAL_RTC_GetTime(&hrtc, &rtc_timeStruct, RTC_FORMAT_BIN);
HAL_RTC_GetDate(&hrtc, &rtc_dateStruct, RTC_FORMAT_BIN);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
key=KEY_Scan();
switch(key)
{
case 1:
LCD1602_Show_Str(15,0," ");
break;
case 2://year
LCD1602_cursor(8,0);
if(KEY1==RESET)
{
rtc_dateStruct.Year=down(rtc_dateStruct.Year,100);
RTC_Set_Date(rtc_dateStruct.Year,rtc_dateStruct.Month,rtc_dateStruct.Date,rtc_dateStruct.WeekDay);
}
if(KEY2==RESET)
{
rtc_dateStruct.Year=up(rtc_dateStruct.Year,100);
RTC_Set_Date(rtc_dateStruct.Year,rtc_dateStruct.Month,rtc_dateStruct.Date,rtc_dateStruct.WeekDay);
}
break;
case 3://month
LCD1602_cursor(11,0);
if(KEY1==RESET)
{
rtc_dateStruct.Month--;
if((rtc_dateStruct.Month>=13)||rtc_dateStruct.Month==0)
rtc_dateStruct.Month=12;
RTC_Set_Date(rtc_dateStruct.Year,rtc_dateStruct.Month,rtc_dateStruct.Date,rtc_dateStruct.WeekDay);
}
if(KEY2==RESET)
{
rtc_dateStruct.Month++;
if(rtc_dateStruct.Month==13)
rtc_dateStruct.Month=1;
RTC_Set_Date(rtc_dateStruct.Year,rtc_dateStruct.Month,rtc_dateStruct.Date,rtc_dateStruct.WeekDay);
}
break;
case 4://date
LCD1602_cursor(14,0);
if(KEY1==RESET)
{
rtc_dateStruct.Date--;
if((rtc_dateStruct.Date>=dates(rtc_dateStruct.Year,rtc_dateStruct.Month)+1)||rtc_dateStruct.Date==0)
rtc_dateStruct.Date=dates(rtc_dateStruct.Year,rtc_dateStruct.Month);
RTC_Set_Date(rtc_dateStruct.Year,rtc_dateStruct.Month,rtc_dateStruct.Date,rtc_dateStruct.WeekDay);
}
if(KEY2==RESET)
{
rtc_dateStruct.Date++;
if(rtc_dateStruct.Date==dates(rtc_dateStruct.Year,rtc_dateStruct.Month)+1)
rtc_dateStruct.Date=1;
RTC_Set_Date(rtc_dateStruct.Year,rtc_dateStruct.Month,rtc_dateStruct.Date,rtc_dateStruct.WeekDay);
}
break;
case 5://hour
LCD1602_cursor(1,1);
if(KEY1==RESET)
{
rtc_timeStruct.Hours=down(rtc_timeStruct.Hours,24);
RTC_Set_Time(rtc_timeStruct.Hours,rtc_timeStruct.Minutes,rtc_timeStruct.Seconds);
}
if(KEY2==RESET)
{
rtc_timeStruct.Hours=up(rtc_timeStruct.Hours,24);
RTC_Set_Time(rtc_timeStruct.Hours,rtc_timeStruct.Minutes,rtc_timeStruct.Seconds);
}
break;
case 6://min
LCD1602_cursor(4,1);
if(KEY1==RESET)
{
rtc_timeStruct.Minutes=down(rtc_timeStruct.Minutes,60);
RTC_Set_Time(rtc_timeStruct.Hours,rtc_timeStruct.Minutes,rtc_timeStruct.Seconds);
}
if(KEY2==RESET)
{
rtc_timeStruct.Minutes=up(rtc_timeStruct.Minutes,60);
RTC_Set_Time(rtc_timeStruct.Hours,rtc_timeStruct.Minutes,rtc_timeStruct.Seconds);
}
break;
case 7://sec
LCD1602_cursor(7,1);
if(KEY1==RESET)
{
rtc_timeStruct.Seconds=down(rtc_timeStruct.Seconds,60);
RTC_Set_Time(rtc_timeStruct.Hours,rtc_timeStruct.Minutes,rtc_timeStruct.Seconds);
}
if(KEY2==RESET)
{
rtc_timeStruct.Seconds=up(rtc_timeStruct.Seconds,60);
RTC_Set_Time(rtc_timeStruct.Hours,rtc_timeStruct.Minutes,rtc_timeStruct.Seconds);
}
break;
}
HAL_Delay(150);
HAL_RTC_GetTime(&hrtc, &rtc_timeStruct, RTC_FORMAT_BIN);
HAL_RTC_GetDate(&hrtc, &rtc_dateStruct, RTC_FORMAT_BIN);
sprintf((char*)tbuf,"%02d:%02d:%02d ",rtc_timeStruct.Hours,rtc_timeStruct.Minutes,rtc_timeStruct.Seconds);
LCD1602_Show_Str(0, 1,tbuf);
sprintf((char*)tbuf,"DATE:20%02d-%02d-%02d",rtc_dateStruct.Year,rtc_dateStruct.Month,rtc_dateStruct.Date);
LCD1602_Show_Str(0, 0,tbuf);
weeks=week_update(rtc_dateStruct.Year,rtc_dateStruct.Month,rtc_dateStruct.Date);
switch(weeks)
{
case 0:
LCD1602_Show_Str(9, 1,"Sunday ");
break;
case 1:
LCD1602_Show_Str(9, 1,"Monday ");
break;
case 2:
LCD1602_Show_Str(9, 1,"Tuesday ");
break;
case 3:
LCD1602_Show_Str(9, 1,"Wednesday");
break;
case 4:
LCD1602_Show_Str(9, 1,"Thursday ");
break;
case 5:
LCD1602_Show_Str(9, 1,"Friday ");
break;
case 6:
LCD1602_Show_Str(9, 1,"Saturday ");
break;
}
}
/* USER CODE END 3 */
}
/** System Clock Configuration
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInit;
/**Configure the main internal regulator output voltage
*/
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.HSIState = RCC_HSI_DIV4;
RCC_OscInitStruct.HSICalibrationValue = 16;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_16;
RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC;
PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Configure the Systick interrupt time
*/
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
/**Configure the Systick
*/
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
/* RTC init function */
static void MX_RTC_Init(void)
{
RTC_TimeTypeDef sTime;
RTC_DateTypeDef sDate;
/**Initialize RTC Only
*/
hrtc.Instance = RTC;
hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
hrtc.Init.AsynchPrediv = 127;
hrtc.Init.SynchPrediv = 255;
hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
hrtc.Init.OutPutRemap = RTC_OUTPUT_REMAP_NONE;
hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if (HAL_RTC_Init(&hrtc) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Initialize RTC and set the Time and Date
*/
if(HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR0) != 0x32F2){
sTime.Hours = 0x20;//
sTime.Minutes = 0x19;
sTime.Seconds = 0x0;
sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
sTime.StoreOperation = RTC_STOREOPERATION_SET;
if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
sDate.WeekDay = RTC_WEEKDAY_SUNDAY;
sDate.Month = RTC_MONTH_JANUARY;
sDate.Date = 0x21;
sDate.Year = 0x18;
if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
HAL_RTCEx_BKUPWrite(&hrtc,RTC_BKP_DR0,0x32F2);
}
}
/** Configure pins as
* Analog
* Input
* Output
* EVENT_OUT
* EXTI
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(LD2_GPIO_Port, LD2_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin : B1_Pin */
GPIO_InitStruct.Pin = B1_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pins : PA0 PA1 PA4 */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pins : USART_TX_Pin USART_RX_Pin */
GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF4_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pin : LD2_Pin */
GPIO_InitStruct.Pin = LD2_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct);
/*USER Configure : GPIOC_Pin : LCD1602 */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; //推挽输出
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; //IO口速度为高速
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); //初始化GPIOD0~10
GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; //推挽输出
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; //IO口速度为高速
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); //初始化GPIOD0~10
}
/* USER CODE BEGIN 4 */
/* USER CODE BEGIN 0 */
//RTC时间设置
//hour,min,sec:小时,分钟,秒钟
//ampm:@RTC_AM_PM_Definitions:RTC_HOURFORMAT12_AM/RTC_HOURFORMAT12_PM
//返回值:SUCEE(1),成功
// ERROR(0),进入初始化模式失败
HAL_StatusTypeDef RTC_Set_Time(u8 hour,u8 min,u8 sec)//unsigned char ampm
{
RTC_TimeTypeDef RTC_TimeStructure;
RTC_TimeStructure.Hours=hour;
RTC_TimeStructure.Minutes=min;
RTC_TimeStructure.Seconds=sec;
//RTC_TimeStructure.TimeFormat=ampm;
RTC_TimeStructure.DayLightSaving=RTC_DAYLIGHTSAVING_NONE;
RTC_TimeStructure.StoreOperation=RTC_STOREOPERATION_RESET;
return HAL_RTC_SetTime(&hrtc,&RTC_TimeStructure,RTC_FORMAT_BIN);
}
//RTC日期设置
//year,month,date:年(0~99),月(1~12),日(0~31)
//week:星期(1~7,0,非法!)
//返回值:SUCEE(1),成功
// ERROR(0),进入初始化模式失败
HAL_StatusTypeDef RTC_Set_Date(u8 year,u8 month,u8 date,u8 week)
{
RTC_DateTypeDef RTC_DateStructure;
RTC_DateStructure.Date=date;
RTC_DateStructure.Month=month;
RTC_DateStructure.WeekDay=week;
RTC_DateStructure.Year=year;
return HAL_RTC_SetDate(&hrtc,&RTC_DateStructure,RTC_FORMAT_BIN);
}
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @param None
* @retval None
*/
void _Error_Handler(char * file, int line)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
while(1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif
/**
* @}
*/
/**
* @}
*/

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