main.c

STM8示例程序

/**
  ******************************************************************************
  * @file TIM1_7PWM_Output\main.c
  * @brief This file contains the main function for TIM1 7 PWM Output example.
  * @author STMicroelectronics - MCD Application Team
  * @version V1.0.1
  * @date 09/22/2008
  ******************************************************************************
  *
  * 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.
  *
  * <h2><center>&copy; COPYRIGHT 2008 STMicroelectronics</center></h2>
  * @image html logo.bmp
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm8s_lib.h"

/**
  * @addtogroup TIM1_7PWM_Output
  * @{
  */

/* Private typedef -----------------------------------------------------------*/

/* Private define ------------------------------------------------------------*/
#define CCR1_Val  ((u16)2047)
#define CCR2_Val  ((u16)1535)
#define CCR3_Val  ((u16)1023)
#define CCR4_Val  ((u16)511)
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/ 
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/* Public functions ----------------------------------------------------------*/

/**
  * @brief Example firmware main entry point.
  * @par Parameters:
  * None
  * @retval void None
  * @par Required preconditions:
  * None
  * @par Library functions called:
  * - TIM1_DeInit
  * - TIM1_TimeBaseInit
	* - TIM1_OC1Init
	* - TIM1_OC2Init
	* - TIM1_OC3Init
	* - TIM1_BDTRConfig
	* - TIM1_Cmd
	* - TIM1_CtrlPWMOutputs
  */
void main(void)
{

  /* TIM1 Peripheral Configuration */ 
  TIM1_DeInit();

  /* Time Base configuration */
	/*
	TIM1_Period = 4095
  TIM1_Prescaler = 0
  TIM1_CounterMode = TIM1_COUNTERMODE_UP
  TIM1_RepetitionCounter = 0
	*/

  TIM1_TimeBaseInit(0, TIM1_COUNTERMODE_UP, 4095, 0);

  /* Channel 1, 2,3 and 4 Configuration in PWM mode */
  
	/*
	TIM1_OCMode = TIM1_OCMODE_PWM2
  TIM1_OutputState = TIM1_OUTPUTSTATE_ENABLE
  TIM1_OutputNState = TIM1_OUTPUTNSTATE_ENABLE
	TIM1_Pulse = CCR1_Val
  TIM1_OCPolarity = TIM1_OCPOLARITY_LOW
  TIM1_OCNPolarity = TIM1_OCNPOLARITY_HIGH
  TIM1_OCIdleState = TIM1_OCIDLESTATE_SET
  TIM1_OCNIdleState = TIM1_OCIDLESTATE_RESET
  
	*/
  TIM1_OC1Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE, CCR1_Val, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_HIGH, TIM1_OCIDLESTATE_SET, TIM1_OCIDLESTATE_RESET); 

  /*TIM1_Pulse = CCR2_Val*/
  TIM1_OC2Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE, CCR2_Val, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_HIGH, TIM1_OCIDLESTATE_SET, TIM1_OCIDLESTATE_RESET);

  /*TIM1_Pulse = CCR3_Val*/
  TIM1_OC3Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE, CCR3_Val, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_HIGH, TIM1_OCIDLESTATE_SET, TIM1_OCIDLESTATE_RESET);

  /*TIM1_Pulse = CCR4_Val*/
  TIM1_OC4Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, CCR4_Val, TIM1_OCPOLARITY_LOW, TIM1_OCIDLESTATE_SET);

  /* TIM1 counter enable */
  TIM1_Cmd(ENABLE);

  /* TIM1 Main Output Enable */
  TIM1_CtrlPWMOutputs(ENABLE);
  
  while (1)
  {
  }    
}

/**
  * @brief Reports the name of the source file and the source line number where
  * the assert error has occurred.
  * 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)
  * @retval void None
  * @par Required preconditions:
  * None
  * @par Called functions:
  * None
  */
#ifdef FULL_ASSERT
void assert_failed(u8 *file, u16 line)
#else
void assert_failed(void)
#endif
{
  /* Add your own code to manage an assert error */
  /* Infinite loop */
  while (1)
  {
  }
}

/**
  * @}
  */

/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/