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January 15, 2017 20:06
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/** | |
****************************************************************************** | |
* File Name : main.c | |
* Description : Main program body | |
****************************************************************************** | |
* | |
* COPYRIGHT(c) 2017 STMicroelectronics | |
* | |
* Redistribution and use in source and binary forms, with or without modification, | |
* are permitted provided that the following conditions are met: | |
* 1. Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright notice, | |
* this list of conditions and the following disclaimer in the documentation | |
* and/or other materials provided with the distribution. | |
* 3. Neither the name of STMicroelectronics nor the names of its contributors | |
* may be used to endorse or promote products derived from this software | |
* without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
* | |
****************************************************************************** | |
*/ | |
/* Includes ------------------------------------------------------------------*/ | |
#include "main.h" | |
#include "stm32f1xx_hal.h" | |
/* USER CODE BEGIN Includes */ | |
/* USER CODE END Includes */ | |
/* Private variables ---------------------------------------------------------*/ | |
TIM_HandleTypeDef htim3; | |
/* USER CODE BEGIN PV */ | |
/* Private variables ---------------------------------------------------------*/ | |
/* USER CODE END PV */ | |
/* Private function prototypes -----------------------------------------------*/ | |
void SystemClock_Config(void); | |
void Error_Handler(void); | |
static void MX_GPIO_Init(void); | |
static void MX_TIM3_Init(void); | |
void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim); | |
/* USER CODE BEGIN PFP */ | |
/* Private function prototypes -----------------------------------------------*/ | |
/* USER CODE END PFP */ | |
/* USER CODE BEGIN 0 */ | |
/* USER CODE END 0 */ | |
int main(void) | |
{ | |
/* USER CODE BEGIN 1 */ | |
/* USER CODE END 1 */ | |
/* MCU Configuration----------------------------------------------------------*/ | |
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */ | |
HAL_Init(); | |
/* Configure the system clock */ | |
SystemClock_Config(); | |
/* Initialize all configured peripherals */ | |
MX_GPIO_Init(); | |
MX_TIM3_Init(); | |
/* USER CODE BEGIN 2 */ | |
HAL_TIM_PWM_MspInit(&htim3); | |
HAL_TIM_PWM_Start(&htim3,TIM_CHANNEL_2); | |
/* USER CODE END 2 */ | |
/* Infinite loop */ | |
/* USER CODE BEGIN WHILE */ | |
while (1) | |
{ | |
HAL_GPIO_TogglePin(GPIOC, GPIO_PIN_13); | |
HAL_Delay(1000); | |
/* USER CODE END WHILE */ | |
/* USER CODE BEGIN 3 */ | |
} | |
/* USER CODE END 3 */ | |
} | |
/** System Clock Configuration | |
*/ | |
void SystemClock_Config(void) | |
{ | |
RCC_OscInitTypeDef RCC_OscInitStruct; | |
RCC_ClkInitTypeDef RCC_ClkInitStruct; | |
/**Initializes the CPU, AHB and APB busses clocks | |
*/ | |
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; | |
RCC_OscInitStruct.HSIState = RCC_HSI_ON; | |
RCC_OscInitStruct.HSICalibrationValue = 16; | |
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; | |
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2; | |
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL7; | |
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
/**Initializes the CPU, AHB and APB busses clocks | |
*/ | |
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK | |
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; | |
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; | |
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; | |
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; | |
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; | |
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
/**Configure the Systick interrupt time | |
*/ | |
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000); | |
/**Configure the Systick | |
*/ | |
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK); | |
/* SysTick_IRQn interrupt configuration */ | |
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0); | |
} | |
/* TIM3 init function */ | |
static void MX_TIM3_Init(void) | |
{ | |
TIM_MasterConfigTypeDef sMasterConfig; | |
TIM_OC_InitTypeDef sConfigOC; | |
htim3.Instance = TIM3; | |
htim3.Init.Prescaler = 0; | |
htim3.Init.CounterMode = TIM_COUNTERMODE_UP; | |
htim3.Init.Period = 0; | |
htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; | |
if (HAL_TIM_PWM_Init(&htim3) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; | |
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; | |
if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
sConfigOC.OCMode = TIM_OCMODE_PWM1; | |
sConfigOC.Pulse = 19; | |
sConfigOC.OCPolarity = TIM_OCPOLARITY_LOW; | |
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE; | |
if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_2) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
HAL_TIM_MspPostInit(&htim3); | |
} | |
/** Configure pins as | |
* Analog | |
* Input | |
* Output | |
* EVENT_OUT | |
* EXTI | |
*/ | |
static void MX_GPIO_Init(void) | |
{ | |
GPIO_InitTypeDef GPIO_InitStruct; | |
/* GPIO Ports Clock Enable */ | |
__HAL_RCC_GPIOC_CLK_ENABLE(); | |
__HAL_RCC_GPIOA_CLK_ENABLE(); | |
/*Configure GPIO pin Output Level */ | |
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_RESET); | |
/*Configure GPIO pin : PC13 */ | |
GPIO_InitStruct.Pin = GPIO_PIN_13; | |
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; | |
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; | |
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); | |
} | |
/* USER CODE BEGIN 4 */ | |
/* USER CODE END 4 */ | |
/** | |
* @brief This function is executed in case of error occurrence. | |
* @param None | |
* @retval None | |
*/ | |
void Error_Handler(void) | |
{ | |
/* USER CODE BEGIN Error_Handler */ | |
/* User can add his own implementation to report the HAL error return state */ | |
while(1) | |
{ | |
} | |
/* USER CODE END Error_Handler */ | |
} | |
#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 CODE BEGIN 6 */ | |
/* 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) */ | |
/* USER CODE END 6 */ | |
} | |
#endif | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
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