From a8aaabae4c1cc64a01d740a436336ca31c1f79ba Mon Sep 17 00:00:00 2001 From: iperry Date: Thu, 17 Dec 2009 02:46:08 +0000 Subject: removed extraneous files, stm32lib examples git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@70 749a229e-a60e-11de-b98f-4500b42dc123 --- src/stm32lib/examples/TIM/DMA/main.c | 260 ----------------------------------- 1 file changed, 260 deletions(-) delete mode 100755 src/stm32lib/examples/TIM/DMA/main.c (limited to 'src/stm32lib/examples/TIM/DMA/main.c') diff --git a/src/stm32lib/examples/TIM/DMA/main.c b/src/stm32lib/examples/TIM/DMA/main.c deleted file mode 100755 index 989f9e6..0000000 --- a/src/stm32lib/examples/TIM/DMA/main.c +++ /dev/null @@ -1,260 +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 ------------------------------------------------------------*/ -#define TIM1_CCR3_Address 0x40012C3C - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; -TIM_OCInitTypeDef TIM_OCInitStructure; -u16 SRC_Buffer[3] = {3071, 1791, 511}; -ErrorStatus HSEStartUpStatus; - -/* Private function prototypes -----------------------------------------------*/ -void RCC_Configuration(void); -void GPIO_Configuration(void); -void DMA_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(); - - /* DMA Configuration */ - DMA_Configuration(); - - /* TIM1 DMA Transfer example ------------------------------------------------- - TIM1CLK = 72 MHz, Prescaler = 0, TIM1 counter clock = 72 MHz - The TIM1 Channel3 is configured to generate a complementary PWM signal with - a frequency equal to: TIM1 counter clock / (TIM1_Period + 1) = 17.57 KHz and - a variable duty cycle that is changed by the DMA after a specific number of - Update DMA request. - The number of this repetitive requests is defined by the TIM1 Repetion counter, - each 3 Update Requests, the TIM1 Channel 3 Duty Cycle changes to the next new - value defined by the SRC_Buffer . - ----------------------------------------------------------------------------- */ - - /* TIM1 Peripheral Configuration ----------------------------------------*/ - /* Time Base configuration */ - TIM_TimeBaseStructure.TIM_Prescaler = 0; - TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; - TIM_TimeBaseStructure.TIM_Period = 4095; - TIM_TimeBaseStructure.TIM_ClockDivision = 0; - TIM_TimeBaseStructure.TIM_RepetitionCounter = 2; - - TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); - - /* Channel 3 Configuration in PWM mode */ - TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; - TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; - TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable; - TIM_OCInitStructure.TIM_Pulse = 127; - TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; - TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low; - TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set; - TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset; - - TIM_OC3Init(TIM1, &TIM_OCInitStructure); - - /* TIM1 Update DMA Request enable */ - TIM_DMACmd(TIM1, TIM_DMA_Update, ENABLE); - - /* TIM1 counter enable */ - TIM_Cmd(TIM1, ENABLE); - - /* Main Output Enable */ - TIM_CtrlPWMOutputs(TIM1, 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) - {} - } - - /* TIM1, GPIOA and GPIOB clock enable */ - RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1 | RCC_APB2Periph_GPIOA | - RCC_APB2Periph_GPIOB, ENABLE); - /* DMA clock enable */ - RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); -} - -/******************************************************************************* -* Function Name : GPIO_Configuration -* Description : Configure the TIM1 Pins. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -void GPIO_Configuration(void) -{ - GPIO_InitTypeDef GPIO_InitStructure; - - /* GPIOA Configuration: Channel 3 as alternate function push-pull */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; - GPIO_Init(GPIOA, &GPIO_InitStructure); - - /* GPIOB Configuration: Channel 3N as alternate function push-pull */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; - GPIO_Init(GPIOB, &GPIO_InitStructure); -} - -/******************************************************************************* -* Function Name : DMA_Configuration -* Description : Configures the DMA. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -void DMA_Configuration(void) -{ - DMA_InitTypeDef DMA_InitStructure; - - /* DMA1 Channel5 Config */ - DMA_DeInit(DMA1_Channel5); - - DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)TIM1_CCR3_Address; - DMA_InitStructure.DMA_MemoryBaseAddr = (u32)SRC_Buffer; - DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; - DMA_InitStructure.DMA_BufferSize = 3; - DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; - DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; - DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; - DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; - DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; - DMA_InitStructure.DMA_Priority = DMA_Priority_High; - DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; - - DMA_Init(DMA1_Channel5, &DMA_InitStructure); - - /* DMA1 Channel5 enable */ - DMA_Cmd(DMA1_Channel5, ENABLE); -} - -/******************************************************************************* -* 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****/ -- cgit v1.2.3