diff options
Diffstat (limited to 'src/stm32lib/examples/NVIC/DMA_WFIMode/main.c')
| -rwxr-xr-x | src/stm32lib/examples/NVIC/DMA_WFIMode/main.c | 352 |
1 files changed, 0 insertions, 352 deletions
diff --git a/src/stm32lib/examples/NVIC/DMA_WFIMode/main.c b/src/stm32lib/examples/NVIC/DMA_WFIMode/main.c deleted file mode 100755 index 130c0a8..0000000 --- a/src/stm32lib/examples/NVIC/DMA_WFIMode/main.c +++ /dev/null @@ -1,352 +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"
-#include "platform_config.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#define USART1_DR_Address 0x40013804
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-NVIC_InitTypeDef NVIC_InitStructure;
-DMA_InitTypeDef DMA_InitStructure;
-
-vu32 LowPowerMode = 0;
-u16 DST_Buffer[10]= {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-ErrorStatus HSEStartUpStatus;
-
-/* Private function prototypes -----------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-void EXTI_Configuration(void);
-void DMA_Configuration(void);
-void USART_Configuration(void);
-u8 Buffercmp16(u16* pBuffer1, u16* pBuffer2, u16 BufferLength);
-void Delay(vu32 nCount);
-
-/* Private functions ---------------------------------------------------------*/
-
-/*******************************************************************************
-* Function Name : main
-* Description : Main program.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-int main(void)
-{
-#ifdef DEBUG
- debug();
-#endif
-
- /* Configure the system clocks */
- RCC_Configuration();
-
- /* Configure GPIOs */
- GPIO_Configuration();
-
- /* Configures the EXTI Lines */
- EXTI_Configuration();
-
- /* Configures the DMA Channel */
- DMA_Configuration();
-
- /* Configures the USART1 */
- USART_Configuration();
-
-#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
-
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
-
- /* Enable the DMA1 Channel 5 Interrupt */
- NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel5_IRQChannel;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-
- /* Enable the EXTI9_5 Interrupt */
- NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQChannel;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
- NVIC_Init(&NVIC_InitStructure);
-
- while (1)
- {
- if(LowPowerMode == 1)
- {
-
- GPIO_ResetBits(GPIO_LED, GPIO_Pin_7 | GPIO_Pin_8);
-
- /* Request to enter WFI mode */
- __WFI();
- LowPowerMode = 0;
- }
-
- Delay(0xFFFFF);
- GPIO_WriteBit(GPIO_LED, GPIO_Pin_6, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIO_LED, GPIO_Pin_6)));
- }
-}
-
-/*******************************************************************************
-* 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/2 */
- RCC_PCLK1Config(RCC_HCLK_Div2);
-
- /* 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)
- {
- }
- }
-
- /* Enable USART1, GPIOA, GPIO_LED, GPIO_KEY_BUTTON and AFIO clocks */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA |
- RCC_APB2Periph_GPIO_LED | RCC_APB2Periph_GPIO_KEY_BUTTON |
- RCC_APB2Periph_AFIO, ENABLE);
-
- /* DMA1 clock enable */
- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
-}
-
-/*******************************************************************************
-* Function Name : GPIO_Configuration
-* Description : Configures the used GPIO pins.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_Configuration(void)
-{
- GPIO_InitTypeDef GPIO_InitStructure;
-
- /* Configure GPIO_LED Pin 6, GPIO_LED Pin 7 and GPIO_LED Pin 8 as
- Output push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 |GPIO_Pin_7 | GPIO_Pin_8;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_Init(GPIO_LED, &GPIO_InitStructure);
-
- /* Configure USART1 Rx (PA.10) as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
-
- /* Configure GPIO KEY Button Pin as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_PIN_KEY_BUTTON;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIO_KEY_BUTTON, &GPIO_InitStructure);
-}
-
-/*******************************************************************************
-* Function Name : EXTI_Configuration
-* Description : Configures the used EXTI line.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void EXTI_Configuration(void)
-{
- EXTI_InitTypeDef EXTI_InitStructure;
-
- /* Connect KEY Button EXTI Line to GPIO KEY Button Pin */
- GPIO_EXTILineConfig(GPIO_PORT_SOURCE_KEY_BUTTON, GPIO_PIN_SOURCE_KEY_BUTTON);
-
- /* Configure KEY Button EXTI Line to generate an interrupt on falling edge */
- EXTI_InitStructure.EXTI_Line = EXTI_LINE_KEY_BUTTON;
- EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
- EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
- EXTI_InitStructure.EXTI_LineCmd = ENABLE;
- EXTI_Init(&EXTI_InitStructure);
-}
-
-/*******************************************************************************
-* Function Name : DMA_Configuration
-* Description : Configures the used DMA Channel.
-* 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 = USART1_DR_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (u32)DST_Buffer;
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
- DMA_InitStructure.DMA_BufferSize = 10;
- 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_Normal;
- DMA_InitStructure.DMA_Priority = DMA_Priority_High;
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
- DMA_Init(DMA1_Channel5, &DMA_InitStructure);
-
- /* Enable Channel5 Transfer complete interrupt */
- DMA_ITConfig(DMA1_Channel5, DMA_IT_TC, ENABLE);
-
- /* DMA1 Channel5 enable */
- DMA_Cmd(DMA1_Channel5, ENABLE);
-}
-
-/*******************************************************************************
-* Function Name : USART_Configuration
-* Description : Configures the USART1.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void USART_Configuration(void)
-{
- USART_InitTypeDef USART_InitStructure;
-
-/* USART1 configuration ------------------------------------------------------*/
- /* USART1 configured as follow:
- - BaudRate = 9600 baud
- - Word Length = 8 Bits
- - One Stop Bit
- - No parity
- - Hardware flow control disabled (RTS and CTS signals)
- - Receive and transmit enabled
- */
- USART_InitStructure.USART_BaudRate = 9600;
- USART_InitStructure.USART_WordLength = USART_WordLength_8b;
- USART_InitStructure.USART_StopBits = USART_StopBits_1;
- USART_InitStructure.USART_Parity = USART_Parity_No;
- USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
- USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
-
- USART_Init(USART1, &USART_InitStructure);
-
- USART_DMACmd(USART1, USART_DMAReq_Rx, ENABLE);
-
- /* Enable the USART1 */
- USART_Cmd(USART1, ENABLE);
-}
-
-/*******************************************************************************
-* Function Name : Buffercmp16
-* Description : Compares two buffers.
-* Input : - pBuffer1, pBuffer2: buffers to be compared.
-* : - BufferLength: buffer's length
-* Output : None
-* Return : 0: pBuffer1 identical to pBuffer2
-* 1: pBuffer1 differs from pBuffer2
-*******************************************************************************/
-u8 Buffercmp16(u16* pBuffer1, u16* pBuffer2, u16 BufferLength)
-{
- while(BufferLength--)
- {
- if(*pBuffer1 != *pBuffer2)
- {
- return 1;
- }
-
- pBuffer1++;
- pBuffer2++;
- }
- return 0;
-}
-
-/*******************************************************************************
-* Function Name : Delay
-* Description : Inserts a delay time.
-* Input : nCount: specifies the delay time length.
-* Output : None
-* Return : None
-*******************************************************************************/
-void Delay(vu32 nCount)
-{
- for(; nCount != 0; nCount--);
-}
-
-#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) */
-
- /* Infinite loop */
- while (1)
- {
- }
-}
-#endif
-
-/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
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