diff options
Diffstat (limited to 'src/stm32lib/examples/TIM/PWM_Output/main.c')
| -rwxr-xr-x | src/stm32lib/examples/TIM/PWM_Output/main.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/src/stm32lib/examples/TIM/PWM_Output/main.c b/src/stm32lib/examples/TIM/PWM_Output/main.c deleted file mode 100755 index 68be8b2..0000000 --- a/src/stm32lib/examples/TIM/PWM_Output/main.c +++ /dev/null @@ -1,245 +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"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
-TIM_OCInitTypeDef TIM_OCInitStructure;
-u16 CCR1_Val = 500;
-u16 CCR2_Val = 375;
-u16 CCR3_Val = 250;
-u16 CCR4_Val = 125;
-ErrorStatus HSEStartUpStatus;
-
-/* Private function prototypes -----------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_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();
-
- /* GPIO Configuration */
- GPIO_Configuration();
-
- /* -----------------------------------------------------------------------
- TIM3 Configuration: generate 4 PWM signals with 4 different duty cycles:
- TIM3CLK = 36 MHz, Prescaler = 0x0, TIM3 counter clock = 36 MHz
- TIM3 ARR Register = 999 => TIM3 Frequency = TIM3 counter clock/(ARR + 1)
- TIM3 Frequency = 36 KHz.
- TIM3 Channel1 duty cycle = (TIM3_CCR1/ TIM3_ARR)* 100 = 50%
- TIM3 Channel2 duty cycle = (TIM3_CCR2/ TIM3_ARR)* 100 = 37.5%
- TIM3 Channel3 duty cycle = (TIM3_CCR3/ TIM3_ARR)* 100 = 25%
- TIM3 Channel4 duty cycle = (TIM3_CCR4/ TIM3_ARR)* 100 = 12.5%
- ----------------------------------------------------------------------- */
-
- /* Time base configuration */
- TIM_TimeBaseStructure.TIM_Period = 999;
- TIM_TimeBaseStructure.TIM_Prescaler = 0;
- TIM_TimeBaseStructure.TIM_ClockDivision = 0;
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
-
- TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
-
- /* PWM1 Mode configuration: Channel1 */
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
- TIM_OCInitStructure.TIM_Pulse = CCR1_Val;
- TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
-
- TIM_OC1Init(TIM3, &TIM_OCInitStructure);
-
- TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Enable);
-
- /* PWM1 Mode configuration: Channel2 */
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
- TIM_OCInitStructure.TIM_Pulse = CCR2_Val;
-
- TIM_OC2Init(TIM3, &TIM_OCInitStructure);
-
- TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable);
-
- /* PWM1 Mode configuration: Channel3 */
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
- TIM_OCInitStructure.TIM_Pulse = CCR3_Val;
-
- TIM_OC3Init(TIM3, &TIM_OCInitStructure);
-
- TIM_OC3PreloadConfig(TIM3, TIM_OCPreload_Enable);
-
- /* PWM1 Mode configuration: Channel4 */
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
- TIM_OCInitStructure.TIM_Pulse = CCR4_Val;
-
- TIM_OC4Init(TIM3, &TIM_OCInitStructure);
-
- TIM_OC4PreloadConfig(TIM3, TIM_OCPreload_Enable);
-
- TIM_ARRPreloadConfig(TIM3, ENABLE);
-
- /* TIM3 enable counter */
- TIM_Cmd(TIM3, ENABLE);
-
- while (1)
- {}
-}
-
-/*******************************************************************************
-* 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/4 */
- RCC_PCLK1Config(RCC_HCLK_Div4);
-
- /* 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)
- {}
- }
-
- /* TIM3 clock enable */
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
-
- /* GPIOA and GPIOB clock enable */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB, ENABLE);
-
-}
-
-/*******************************************************************************
-* Function Name : GPIO_Configuration
-* Description : Configure the TIM3 Ouput Channels.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_Configuration(void)
-{
- GPIO_InitTypeDef GPIO_InitStructure;
-
- /*GPIOA Configuration: TIM3 channel 1 and 2 as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
-
- GPIO_Init(GPIOA, &GPIO_InitStructure);
-
- /*GPIOB Configuration: TIM3 channel 3 and 4 as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1;
-
- GPIO_Init(GPIOB, &GPIO_InitStructure);
-}
-
-/*******************************************************************************
-* Function Name : NVIC_Configuration
-* Description : Configures Vector Table base location.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void NVIC_Configuration(void)
-{
-#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
-}
-
-#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) */
-
- while (1)
- {}
-}
-#endif
-
-/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
|