STM8S_StdPeriph_Examples/TIM1/TIM1_ComplementarySignals_DeadTime_Break_Lock/main.c

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/**
  ******************************************************************************
  * @file    TIM1_ComplementarySignals_DeadTime_Break_Lock\main.c
  * @author  MCD Application Team
  * @version  V2.2.0
  * @date     30-September-2014
  * @brief   This file contains the main function for TIM1 Complementary Signals &
  *          DeadTime & Break & Lock.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm8s.h"

/**
  * @addtogroup TIM1_ComplementarySignals_DeadTime_Break_Lock
  * @{
  */

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

/* Private define ------------------------------------------------------------*/
#define CCR1_Val  ((uint16_t)32767)
#define CCR2_Val  ((uint16_t)16383)
#define CCR3_Val  ((uint16_t)8191)
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void TIM1_Config(void);
/* Private functions ---------------------------------------------------------*/
/* Public functions ----------------------------------------------------------*/

/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
void main(void)
{
  /* TIM1 configuration -----------------------------------------*/
  TIM1_Config(); 
  
  while (1)
  {}
}

/**
  * @brief  Configure TIM1 to generate 3 complementary signals, to insert a 
  *         defined dead time value, to use the break feature and to lock the 
  *         desired parameters
  * @param  None
  * @retval None
  */
static void TIM1_Config(void)
{
  /* TIM1 Peripheral Configuration */ 
  TIM1_DeInit();

  /* Time Base configuration */
        /*
  TIM1_Prescaler = 0
  TIM1_CounterMode = TIM1_COUNTERMODE_UP
  TIM1_Period = 65535
  TIM1_RepetitionCounter = 0
        */

  TIM1_TimeBaseInit(0, TIM1_COUNTERMODE_UP, 65535,0);

  /* Channel 1, 2 and 3 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_LOW        
  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_LOW, TIM1_OCIDLESTATE_SET,
               TIM1_OCNIDLESTATE_RESET);

  /* TIM1_Pulse = CCR2_Val */
  TIM1_OC2Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE,
               CCR2_Val, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_LOW, TIM1_OCIDLESTATE_SET,
               TIM1_OCNIDLESTATE_RESET);

  /* TIM1_Pulse = CCR3_Val */
        TIM1_OC3Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE,
               CCR3_Val, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_LOW, TIM1_OCIDLESTATE_SET,
               TIM1_OCNIDLESTATE_RESET);

  /* Automatic Output enable, Break, dead time and lock configuration */
  /*
        TIM1_OSSIState = TIM1_OSSISTATE_ENABLE
  TIM1_LockLevel = TIM1_LOCKLEVEL_1
  TIM1_DeadTime = 117
  TIM1_Break = TIM1_BREAK_ENABLE
  TIM1_BreakPolarity = TIM1_BREAKPOLARITY_HIGH
  TIM1_AutomaticOutput = TIM1_AUTOMATICOUTPUT_ENABLE
        */
        TIM1_BDTRConfig( TIM1_OSSISTATE_ENABLE,  TIM1_LOCKLEVEL_1, 117, TIM1_BREAK_ENABLE,
                   TIM1_BREAKPOLARITY_HIGH, TIM1_AUTOMATICOUTPUT_ENABLE);

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

  /* Main Output Enable */
  TIM1_CtrlPWMOutputs(ENABLE);
}

#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 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 STMicroelectronics *****END OF FILE****/