diff options
Diffstat (limited to 'src/stm32lib/examples/RTC/LSI_Calib/main.c')
| -rwxr-xr-x | src/stm32lib/examples/RTC/LSI_Calib/main.c | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/src/stm32lib/examples/RTC/LSI_Calib/main.c b/src/stm32lib/examples/RTC/LSI_Calib/main.c deleted file mode 100755 index 612bb5f..0000000 --- a/src/stm32lib/examples/RTC/LSI_Calib/main.c +++ /dev/null @@ -1,323 +0,0 @@ -/******************** (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 <stdio.h>
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#define RTCClockOutput_Enable /* RTC Clock/64 is output on tamper pin(PC.13) */
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-ErrorStatus HSEStartUpStatus;
-
-TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
-TIM_ICInitTypeDef TIM_ICInitStructure;
-RCC_ClocksTypeDef RCC_Clocks;
-vu32 PeriodValue = 0, LsiFreq = 0;
-vu32 OperationComplete = 0;
-
-/* Private function prototypes -----------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-void RTC_Configuration(void);
-void NVIC_Configuration(void);
-
-/* 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();
-
- /* RTC Configuration */
- RTC_Configuration();
-
- /* Wait until Key Push button is pressed */
- while (GPIO_ReadInputDataBit(GPIOG, GPIO_Pin_8) != 0)
- {}
-
- /* Get the Frequency value */
- RCC_GetClocksFreq(&RCC_Clocks);
-
- /* Enable TIM5 APB1 clocks */
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE);
-
- /* Connect internally the TM5_CH4 Input Capture to the LSI clock output */
- GPIO_PinRemapConfig(GPIO_Remap_TIM5CH4_LSI, ENABLE);
-
- /* TIM5 Time base configuration */
- TIM_TimeBaseStructure.TIM_Prescaler = 0;
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
- TIM_TimeBaseStructure.TIM_Period = 0xFFFF;
- TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
- TIM_TimeBaseInit(TIM5, &TIM_TimeBaseStructure);
-
- /* TIM5 Channel4 Input capture Mode configuration */
- TIM_ICInitStructure.TIM_Channel = TIM_Channel_4;
- TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
- TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
- TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
- TIM_ICInitStructure.TIM_ICFilter = 0;
- TIM_ICInit(TIM5, &TIM_ICInitStructure);
-
- /* Reinitialize the index for the interrupt */
- OperationComplete = 0;
-
- /* Enable the TIM5 Input Capture counter */
- TIM_Cmd(TIM5, ENABLE);
- /* Reset all TIM5 flags */
- TIM5->SR = 0;
- /* Enable the TIM5 channel 4 */
- TIM_ITConfig(TIM5, TIM_IT_CC4, ENABLE);
-
- /* Wait the TIM5 measuring operation to be completed */
- while (OperationComplete != 2)
- {}
-
- /* Compute the actual frequency of the LSI. (TIM5_CLK = 2 * PCLK1) */
- if (PeriodValue != 0)
- {
- LsiFreq = (u32)((u32)(RCC_Clocks.PCLK1_Frequency * 2) / (u32)PeriodValue);
- }
-
- /* Adjust the RTC prescaler value */
- RTC_SetPrescaler(LsiFreq - 1);
-
- /* Wait until last write operation on RTC registers has finished */
- RTC_WaitForLastTask();
-
- /* Set GPIOF pin 7 */
- GPIO_SetBits(GPIOF, GPIO_Pin_7);
-
- while (1)
- {
- /* Inifinite loop */
- }
-
-}
-
-/*******************************************************************************
-* 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 GPIOG, GPIOF and AFIO clocks */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOG | RCC_APB2Periph_GPIOF
- | RCC_APB2Periph_AFIO, 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 = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-
- /* Enable the TIM5 Interrupt */
- NVIC_InitStructure.NVIC_IRQChannel = TIM5_IRQChannel;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
- 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 GPIOF pin 6 and pin 7 as Output push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(GPIOF, &GPIO_InitStructure);
-
- /* Configure Key Button GPIO Pin as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOG, &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 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();
-
- /* Set RTC prescaler: set RTC period to 1sec */
- RTC_SetPrescaler(40000);
-
- /* 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);
-}
-
-#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****/
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