Posted on December 16, 2010 at 18:37 » » » » »
examples/TIM1/TIM1_Input_Capture/main.c
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/**
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******************************************************************************
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* @file TIM1_Input_Capture\main.c
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* @brief This file contains the main function for TIM1 Input Capture example.
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* @author STMicroelectronics - MCD Application Team
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* @version V1.1.1
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* @date 06/05/2009
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******************************************************************************
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*
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* <h2><center>© COPYRIGHT 2009 STMicroelectronics</center></h2>
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* @image html logo.bmp
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include ''''
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/**
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* @addtogroup TIM1_Input_Capture
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
= 2000000; = 0; =0, =0; 00037
/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/* Public functions ----------------------------------------------------------*/
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/**
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* @brief Example firmware main entry point.
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* @par Parameters:
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* None
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* @retval
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* None
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*/
void
(
void
) 00049 { 00050 00051 ( , , , , 0x0); 00052 00053
/* Enable TIM1 */
00054 (); 00055 00056
/* Clear CC1 Flag*/
00057 (); 00058 00059
/* Connect LSI to COO pin*/
00060 (, , ); 00061 (); 00062 (); 00063 00064 00065
/* wait a capture on CC1 */
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while
((->SR1 & ) != ); 00067
/* Get CCR1 value*/
00068 = (); 00069 (); 00070 00071
/* wait a capture on cc1 */
00072
while
((->SR1 & ) != ); 00073
/* Get CCR1 value*/
00074 = (); 00075 (); 00076 00077
/* Compute LSI clock frequency */
00078 = (8 * ) / ( - ); 00079 00080
/* Insert a break point here */
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while
(1); 00082 } 00083 00084 00085
#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval
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* None
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*/
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void
assert_failed(* file, line) 00096 { 00097
/* User can add his own implementation to report the file name and line number,
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ex: printf(''Wrong parameters value: file %s on line %d\r\n'', file, line) */
00099 00100
/* Infinite loop */
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while
(1) 00102 { 00103 } 00104 } 00105
#endif
00106 00107
/**
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* @}
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*/
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/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
