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diff --git a/src/stm32lib/examples/RTC/Calendar/main.c b/src/stm32lib/examples/RTC/Calendar/main.c
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-/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
-* File Name : main.c
-* Author : MCD Application Team
-* Version : V2.0.1
-* Date : 06/13/2008
-* Description : Main program body
-********************************************************************************
-* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
-* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
-* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
-* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
-* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
-* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
-*******************************************************************************/
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f10x_lib.h"
-#include "platform_config.h"
-#include <stdio.h>
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#define RTCClockOutput_Enable /* RTC Clock/64 is output on tamper pin(PC.13) */
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-vu32 TimeDisplay = 0;
-ErrorStatus HSEStartUpStatus;
-
-/* Private function prototypes -----------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-void USART_Configuration(void);
-void RTC_Configuration(void);
-void NVIC_Configuration(void);
-u32 Time_Regulate(void);
-void Time_Adjust(void);
-void Time_Show(void);
-void Time_Display(u32 TimeVar);
-u8 USART_Scanf(u32 value);
-
-#ifdef __GNUC__
-/* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
- set to 'Yes') calls __io_putchar() */
-#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
-#else
-#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
-#endif /* __GNUC__ */
-
-/* Private functions ---------------------------------------------------------*/
-/*******************************************************************************
-* Function Name : main
-* Description : Main program.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-int main(void)
-{
-#ifdef DEBUG
- debug();
-#endif
-
- /* System Clocks Configuration */
- RCC_Configuration();
-
- /* NVIC configuration */
- NVIC_Configuration();
-
- /* Configure the GPIOs */
- GPIO_Configuration();
-
- /* Configure the USART1 */
- USART_Configuration();
-
- if (BKP_ReadBackupRegister(BKP_DR1) != 0xA5A5)
- {
- /* Backup data register value is not correct or not yet programmed (when
- the first time the program is executed) */
-
- printf("\r\n\n RTC not yet configured....");
-
- /* RTC Configuration */
- RTC_Configuration();
-
- printf("\r\n RTC configured....");
-
- /* Adjust time by values entred by the user on the hyperterminal */
- Time_Adjust();
-
- BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
- }
- else
- {
- /* Check if the Power On Reset flag is set */
- if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
- {
- printf("\r\n\n Power On Reset occurred....");
- }
- /* Check if the Pin Reset flag is set */
- else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET)
- {
- printf("\r\n\n External Reset occurred....");
- }
-
- printf("\r\n No need to configure RTC....");
- /* Wait for RTC registers synchronization */
- RTC_WaitForSynchro();
-
- /* Enable the RTC Second */
- RTC_ITConfig(RTC_IT_SEC, ENABLE);
- /* Wait until last write operation on RTC registers has finished */
- RTC_WaitForLastTask();
- }
-
-#ifdef RTCClockOutput_Enable
- /* Enable PWR and BKP clocks */
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
-
- /* Allow access to BKP Domain */
- PWR_BackupAccessCmd(ENABLE);
-
- /* Disable the Tamper Pin */
- BKP_TamperPinCmd(DISABLE); /* To output RTCCLK/64 on Tamper pin, the tamper
- functionality must be disabled */
-
- /* Enable RTC Clock Output on Tamper Pin */
- BKP_RTCOutputConfig(BKP_RTCOutputSource_CalibClock);
-#endif
-
- /* Clear reset flags */
- RCC_ClearFlag();
-
- /* Display time in infinite loop */
- Time_Show();
-}
-
-/*******************************************************************************
-* Function Name : RCC_Configuration
-* Description : Configures the different system clocks.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void RCC_Configuration(void)
-{
- /* RCC system reset(for debug purpose) */
- RCC_DeInit();
-
- /* Enable HSE */
- RCC_HSEConfig(RCC_HSE_ON);
-
- /* Wait till HSE is ready */
- HSEStartUpStatus = RCC_WaitForHSEStartUp();
-
- if (HSEStartUpStatus == SUCCESS)
- {
- /* Enable Prefetch Buffer */
- FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
-
- /* Flash 2 wait state */
- FLASH_SetLatency(FLASH_Latency_2);
-
- /* HCLK = SYSCLK */
- RCC_HCLKConfig(RCC_SYSCLK_Div1);
-
- /* PCLK2 = HCLK */
- RCC_PCLK2Config(RCC_HCLK_Div1);
-
- /* PCLK1 = HCLK/2 */
- RCC_PCLK1Config(RCC_HCLK_Div2);
-
- /* PLLCLK = 8MHz * 9 = 72 MHz */
- RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
-
- /* Enable PLL */
- RCC_PLLCmd(ENABLE);
-
- /* Wait till PLL is ready */
- while (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
- {}
-
- /* Select PLL as system clock source */
- RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
-
- /* Wait till PLL is used as system clock source */
- while (RCC_GetSYSCLKSource() != 0x08)
- {}
- }
-
- /* Enable USART1, GPIOA, GPIOC and GPIO_LED clocks */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA |
- RCC_APB2Periph_GPIO_LED | RCC_APB2Periph_GPIOC , ENABLE);
-}
-
-/*******************************************************************************
-* Function Name : NVIC_Configuration
-* Description : Configures the nested vectored interrupt controller.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void NVIC_Configuration(void)
-{
- NVIC_InitTypeDef NVIC_InitStructure;
-
-#ifdef VECT_TAB_RAM
- /* Set the Vector Table base location at 0x20000000 */
- NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
-#else /* VECT_TAB_FLASH */
- /* Set the Vector Table base location at 0x08000000 */
- NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
-#endif
-
- /* Configure one bit for preemption priority */
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
-
- /* Enable the RTC Interrupt */
- NVIC_InitStructure.NVIC_IRQChannel = RTC_IRQChannel;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-}
-
-/*******************************************************************************
-* Function Name : GPIO_Configuration
-* Description : Configures the different GPIO ports.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_Configuration(void)
-{
- GPIO_InitTypeDef GPIO_InitStructure;
-
- /* Configure GPIO_LED pin 6 as Output push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(GPIO_LED, &GPIO_InitStructure);
-
- /* Configure USART1 Tx (PA.09) as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
-
- /* Configure USART1 Rx (PA.10) as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
-}
-
-/*******************************************************************************
-* Function Name : RTC_Configuration
-* Description : Configures the RTC.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-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();
-
- /* 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();
-}
-
-/*******************************************************************************
-* Function Name : Time_Regulate
-* Description : Returns the time entered by user, using Hyperterminal.
-* Input : None
-* Output : None
-* Return : Current time RTC counter value
-*******************************************************************************/
-u32 Time_Regulate(void)
-{
- u32 Tmp_HH = 0xFF, Tmp_MM = 0xFF, Tmp_SS = 0xFF;
-
- printf("\r\n==============Time Settings=====================================");
- printf("\r\n Please Set Hours");
-
- while (Tmp_HH == 0xFF)
- {
- Tmp_HH = USART_Scanf(23);
- }
- printf(": %d", Tmp_HH);
- printf("\r\n Please Set Minutes");
- while (Tmp_MM == 0xFF)
- {
- Tmp_MM = USART_Scanf(59);
- }
- printf(": %d", Tmp_MM);
- printf("\r\n Please Set Seconds");
- while (Tmp_SS == 0xFF)
- {
- Tmp_SS = USART_Scanf(59);
- }
- printf(": %d", Tmp_SS);
-
- /* Return the value to store in RTC counter register */
- return((Tmp_HH*3600 + Tmp_MM*60 + Tmp_SS));
-}
-
-/*******************************************************************************
-* Function Name : Time_Adjust
-* Description : Adjusts time.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void Time_Adjust(void)
-{
- /* Wait until last write operation on RTC registers has finished */
- RTC_WaitForLastTask();
- /* Change the current time */
- RTC_SetCounter(Time_Regulate());
- /* Wait until last write operation on RTC registers has finished */
- RTC_WaitForLastTask();
-}
-
-/*******************************************************************************
-* Function Name : Time_Display
-* Description : Displays the current time.
-* Input : - TimeVar: RTC counter value.
-* Output : None
-* Return : None
-*******************************************************************************/
-void Time_Display(u32 TimeVar)
-{
- u32 THH = 0, TMM = 0, TSS = 0;
-
- /* Compute hours */
- THH = TimeVar / 3600;
- /* Compute minutes */
- TMM = (TimeVar % 3600) / 60;
- /* Compute seconds */
- TSS = (TimeVar % 3600) % 60;
-
- printf("Time: %0.2d:%0.2d:%0.2d\r", THH, TMM, TSS);
-}
-
-/*******************************************************************************
-* Function Name : Time_Show
-* Description : Shows the current time (HH:MM:SS) on the Hyperterminal.
-* Input : None
-* Output : None
-* Return : None
-******************************************************************************/
-void Time_Show(void)
-{
- printf("\n\r");
-
- /* Infinite loop */
- while (1)
- {
- /* If 1s has paased */
- if (TimeDisplay == 1)
- {
- /* Display current time */
- Time_Display(RTC_GetCounter());
- TimeDisplay = 0;
- }
- }
-}
-
-/*******************************************************************************
-* Function Name : USART_Configuration
-* Description : Configures the USART1.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void USART_Configuration(void)
-{
- USART_InitTypeDef USART_InitStructure;
-
- /* Enable USARTx clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
-
- /* USART1 configuration ----------------------------------------------------*/
- /* USART1 configured as follow:
- - BaudRate = 115200 baud
- - Word Length = 8 Bits
- - One Stop Bit
- - No parity
- - Receive and transmit enabled
- - Hardware flow control disabled (RTS and CTS signals)
- */
- USART_InitStructure.USART_BaudRate = 115200;
- USART_InitStructure.USART_WordLength = USART_WordLength_8b;
- USART_InitStructure.USART_StopBits = USART_StopBits_1;
- USART_InitStructure.USART_Parity = USART_Parity_No;
- USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
- USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
-
- USART_Init(USART1, &USART_InitStructure);
-
- /* Enable USART1 */
- USART_Cmd(USART1, ENABLE);
-}
-
-/*******************************************************************************
-* Function Name : PUTCHAR_PROTOTYPE
-* Description : Retargets the C library printf function to the USART.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-PUTCHAR_PROTOTYPE
-{
- /* Place your implementation of fputc here */
- /* e.g. write a character to the USART */
- USART_SendData(USART1, (u8) ch);
-
- /* Loop until the end of transmission */
- while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
- {}
-
- return ch;
-}
-
-/*******************************************************************************
-* Function Name : USART_Scanf
-* Description : Gets numeric values from the hyperterminal.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-u8 USART_Scanf(u32 value)
-{
- u32 index = 0;
- u32 tmp[2] = {0, 0};
-
- while (index < 2)
- {
- /* Loop until RXNE = 1 */
- while (USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET)
- {}
- tmp[index++] = (USART_ReceiveData(USART1));
- if ((tmp[index - 1] < 0x30) || (tmp[index - 1] > 0x39))
- {
- printf("\n\rPlease enter valid number between 0 and 9");
- index--;
- }
- }
- /* Calculate the Corresponding value */
- index = (tmp[1] - 0x30) + ((tmp[0] - 0x30) * 10);
- /* Checks */
- if (index > value)
- {
- printf("\n\rPlease enter valid number between 0 and %d", value);
- return 0xFF;
- }
- return index;
-}
-
-#ifdef DEBUG
-/*******************************************************************************
-* Function Name : assert_failed
-* Description : Reports the name of the source file and the source line number
-* where the assert_param error has occurred.
-* Input : - file: pointer to the source file name
-* - line: assert_param error line source number
-* Output : None
-* Return : None
-*******************************************************************************/
-void assert_failed(u8* file, u32 line)
-{
- /* 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) */
-
- /* Infinite loop */
- while (1)
- {}
-}
-#endif
-
-/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/