From 0ddd521fa7d59d0651a90e92b7174d042cd83d4a Mon Sep 17 00:00:00 2001 From: Perry Hung Date: Tue, 30 Mar 2010 22:59:55 -0400 Subject: Delete STM32 Standard Peripheral Library. --- stm32lib/src/stm32f10x_dma.c | 678 ------------------------------------------- 1 file changed, 678 deletions(-) delete mode 100644 stm32lib/src/stm32f10x_dma.c (limited to 'stm32lib/src/stm32f10x_dma.c') diff --git a/stm32lib/src/stm32f10x_dma.c b/stm32lib/src/stm32f10x_dma.c deleted file mode 100644 index eaefcb9..0000000 --- a/stm32lib/src/stm32f10x_dma.c +++ /dev/null @@ -1,678 +0,0 @@ -/******************** (C) COPYRIGHT 2008 STMicroelectronics ******************** -* File Name : stm32f10x_dma.c -* Author : MCD Application Team -* Version : V2.0.2 -* Date : 07/11/2008 -* Description : This file provides all the DMA firmware functions. -******************************************************************************** -* 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_dma.h" -#include "stm32f10x_rcc.h" - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* DMA ENABLE mask */ -#define CCR_ENABLE_Set ((u32)0x00000001) -#define CCR_ENABLE_Reset ((u32)0xFFFFFFFE) - -/* DMA1 Channelx interrupt pending bit masks */ -#define DMA1_Channel1_IT_Mask ((u32)0x0000000F) -#define DMA1_Channel2_IT_Mask ((u32)0x000000F0) -#define DMA1_Channel3_IT_Mask ((u32)0x00000F00) -#define DMA1_Channel4_IT_Mask ((u32)0x0000F000) -#define DMA1_Channel5_IT_Mask ((u32)0x000F0000) -#define DMA1_Channel6_IT_Mask ((u32)0x00F00000) -#define DMA1_Channel7_IT_Mask ((u32)0x0F000000) - -/* DMA2 Channelx interrupt pending bit masks */ -#define DMA2_Channel1_IT_Mask ((u32)0x0000000F) -#define DMA2_Channel2_IT_Mask ((u32)0x000000F0) -#define DMA2_Channel3_IT_Mask ((u32)0x00000F00) -#define DMA2_Channel4_IT_Mask ((u32)0x0000F000) -#define DMA2_Channel5_IT_Mask ((u32)0x000F0000) - -/* DMA2 FLAG mask */ -#define FLAG_Mask ((u32)0x10000000) - -/* DMA registers Masks */ -#define CCR_CLEAR_Mask ((u32)0xFFFF800F) - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/******************************************************************************* -* Function Name : DMA_DeInit -* Description : Deinitializes the DMAy Channelx registers to their default reset -* values. -* Input : - DMAy_Channelx: where y can be 1 or 2 to select the DMA and -* x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the -* DMA Channel. -* Output : None -* Return : None -*******************************************************************************/ -void DMA_DeInit(DMA_Channel_TypeDef* DMAy_Channelx) -{ - /* Check the parameters */ - assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); - - /* Disable the selected DMAy Channelx */ - DMAy_Channelx->CCR &= CCR_ENABLE_Reset; - - /* Reset DMAy Channelx control register */ - DMAy_Channelx->CCR = 0; - - /* Reset DMAy Channelx remaining bytes register */ - DMAy_Channelx->CNDTR = 0; - - /* Reset DMAy Channelx peripheral address register */ - DMAy_Channelx->CPAR = 0; - - /* Reset DMAy Channelx memory address register */ - DMAy_Channelx->CMAR = 0; - - switch (*(u32*)&DMAy_Channelx) - { - case DMA1_Channel1_BASE: - /* Reset interrupt pending bits for DMA1 Channel1 */ - DMA1->IFCR |= DMA1_Channel1_IT_Mask; - break; - - case DMA1_Channel2_BASE: - /* Reset interrupt pending bits for DMA1 Channel2 */ - DMA1->IFCR |= DMA1_Channel2_IT_Mask; - break; - - case DMA1_Channel3_BASE: - /* Reset interrupt pending bits for DMA1 Channel3 */ - DMA1->IFCR |= DMA1_Channel3_IT_Mask; - break; - - case DMA1_Channel4_BASE: - /* Reset interrupt pending bits for DMA1 Channel4 */ - DMA1->IFCR |= DMA1_Channel4_IT_Mask; - break; - - case DMA1_Channel5_BASE: - /* Reset interrupt pending bits for DMA1 Channel5 */ - DMA1->IFCR |= DMA1_Channel5_IT_Mask; - break; - - case DMA1_Channel6_BASE: - /* Reset interrupt pending bits for DMA1 Channel6 */ - DMA1->IFCR |= DMA1_Channel6_IT_Mask; - break; - - case DMA1_Channel7_BASE: - /* Reset interrupt pending bits for DMA1 Channel7 */ - DMA1->IFCR |= DMA1_Channel7_IT_Mask; - break; - - case DMA2_Channel1_BASE: - /* Reset interrupt pending bits for DMA2 Channel1 */ - DMA2->IFCR |= DMA2_Channel1_IT_Mask; - break; - - case DMA2_Channel2_BASE: - /* Reset interrupt pending bits for DMA2 Channel2 */ - DMA2->IFCR |= DMA2_Channel2_IT_Mask; - break; - - case DMA2_Channel3_BASE: - /* Reset interrupt pending bits for DMA2 Channel3 */ - DMA2->IFCR |= DMA2_Channel3_IT_Mask; - break; - - case DMA2_Channel4_BASE: - /* Reset interrupt pending bits for DMA2 Channel4 */ - DMA2->IFCR |= DMA2_Channel4_IT_Mask; - break; - - case DMA2_Channel5_BASE: - /* Reset interrupt pending bits for DMA2 Channel5 */ - DMA2->IFCR |= DMA2_Channel5_IT_Mask; - break; - - default: - break; - } -} - -/******************************************************************************* -* Function Name : DMA_Init -* Description : Initializes the DMAy Channelx according to the specified -* parameters in the DMA_InitStruct. -* Input : - DMAy_Channelx: where y can be 1 or 2 to select the DMA and -* x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the -* DMA Channel. -* - DMA_InitStruct: pointer to a DMA_InitTypeDef structure that -* contains the configuration information for the specified -* DMA Channel. -* Output : None -* Return : None -******************************************************************************/ -void DMA_Init(DMA_Channel_TypeDef* DMAy_Channelx, DMA_InitTypeDef* DMA_InitStruct) -{ - u32 tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); - assert_param(IS_DMA_DIR(DMA_InitStruct->DMA_DIR)); - assert_param(IS_DMA_BUFFER_SIZE(DMA_InitStruct->DMA_BufferSize)); - assert_param(IS_DMA_PERIPHERAL_INC_STATE(DMA_InitStruct->DMA_PeripheralInc)); - assert_param(IS_DMA_MEMORY_INC_STATE(DMA_InitStruct->DMA_MemoryInc)); - assert_param(IS_DMA_PERIPHERAL_DATA_SIZE(DMA_InitStruct->DMA_PeripheralDataSize)); - assert_param(IS_DMA_MEMORY_DATA_SIZE(DMA_InitStruct->DMA_MemoryDataSize)); - assert_param(IS_DMA_MODE(DMA_InitStruct->DMA_Mode)); - assert_param(IS_DMA_PRIORITY(DMA_InitStruct->DMA_Priority)); - assert_param(IS_DMA_M2M_STATE(DMA_InitStruct->DMA_M2M)); - -/*--------------------------- DMAy Channelx CCR Configuration -----------------*/ - /* Get the DMAy_Channelx CCR value */ - tmpreg = DMAy_Channelx->CCR; - /* Clear MEM2MEM, PL, MSIZE, PSIZE, MINC, PINC, CIRC and DIR bits */ - tmpreg &= CCR_CLEAR_Mask; - /* Configure DMAy Channelx: data transfer, data size, priority level and mode */ - /* Set DIR bit according to DMA_DIR value */ - /* Set CIRC bit according to DMA_Mode value */ - /* Set PINC bit according to DMA_PeripheralInc value */ - /* Set MINC bit according to DMA_MemoryInc value */ - /* Set PSIZE bits according to DMA_PeripheralDataSize value */ - /* Set MSIZE bits according to DMA_MemoryDataSize value */ - /* Set PL bits according to DMA_Priority value */ - /* Set the MEM2MEM bit according to DMA_M2M value */ - tmpreg |= DMA_InitStruct->DMA_DIR | DMA_InitStruct->DMA_Mode | - DMA_InitStruct->DMA_PeripheralInc | DMA_InitStruct->DMA_MemoryInc | - DMA_InitStruct->DMA_PeripheralDataSize | DMA_InitStruct->DMA_MemoryDataSize | - DMA_InitStruct->DMA_Priority | DMA_InitStruct->DMA_M2M; - /* Write to DMAy Channelx CCR */ - DMAy_Channelx->CCR = tmpreg; - -/*--------------------------- DMAy Channelx CNDTR Configuration ---------------*/ - /* Write to DMAy Channelx CNDTR */ - DMAy_Channelx->CNDTR = DMA_InitStruct->DMA_BufferSize; - -/*--------------------------- DMAy Channelx CPAR Configuration ----------------*/ - /* Write to DMAy Channelx CPAR */ - DMAy_Channelx->CPAR = DMA_InitStruct->DMA_PeripheralBaseAddr; - -/*--------------------------- DMAy Channelx CMAR Configuration ----------------*/ - /* Write to DMAy Channelx CMAR */ - DMAy_Channelx->CMAR = DMA_InitStruct->DMA_MemoryBaseAddr; -} - -/******************************************************************************* -* Function Name : DMA_StructInit -* Description : Fills each DMA_InitStruct member with its default value. -* Input : - DMA_InitStruct : pointer to a DMA_InitTypeDef structure -* which will be initialized. -* Output : None -* Return : None -*******************************************************************************/ -void DMA_StructInit(DMA_InitTypeDef* DMA_InitStruct) -{ -/*-------------- Reset DMA init structure parameters values ------------------*/ - /* Initialize the DMA_PeripheralBaseAddr member */ - DMA_InitStruct->DMA_PeripheralBaseAddr = 0; - - /* Initialize the DMA_MemoryBaseAddr member */ - DMA_InitStruct->DMA_MemoryBaseAddr = 0; - - /* Initialize the DMA_DIR member */ - DMA_InitStruct->DMA_DIR = DMA_DIR_PeripheralSRC; - - /* Initialize the DMA_BufferSize member */ - DMA_InitStruct->DMA_BufferSize = 0; - - /* Initialize the DMA_PeripheralInc member */ - DMA_InitStruct->DMA_PeripheralInc = DMA_PeripheralInc_Disable; - - /* Initialize the DMA_MemoryInc member */ - DMA_InitStruct->DMA_MemoryInc = DMA_MemoryInc_Disable; - - /* Initialize the DMA_PeripheralDataSize member */ - DMA_InitStruct->DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte; - - /* Initialize the DMA_MemoryDataSize member */ - DMA_InitStruct->DMA_MemoryDataSize = DMA_MemoryDataSize_Byte; - - /* Initialize the DMA_Mode member */ - DMA_InitStruct->DMA_Mode = DMA_Mode_Normal; - - /* Initialize the DMA_Priority member */ - DMA_InitStruct->DMA_Priority = DMA_Priority_Low; - - /* Initialize the DMA_M2M member */ - DMA_InitStruct->DMA_M2M = DMA_M2M_Disable; -} - -/******************************************************************************* -* Function Name : DMA_Cmd -* Description : Enables or disables the specified DMAy Channelx. -* Input : - DMAy_Channelx: where y can be 1 or 2 to select the DMA and -* x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the -* DMA Channel. -* - NewState: new state of the DMAy Channelx. -* This parameter can be: ENABLE or DISABLE. -* Output : None -* Return : None -*******************************************************************************/ -void DMA_Cmd(DMA_Channel_TypeDef* DMAy_Channelx, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the selected DMAy Channelx */ - DMAy_Channelx->CCR |= CCR_ENABLE_Set; - } - else - { - /* Disable the selected DMAy Channelx */ - DMAy_Channelx->CCR &= CCR_ENABLE_Reset; - } -} - -/******************************************************************************* -* Function Name : DMA_ITConfig -* Description : Enables or disables the specified DMAy Channelx interrupts. -* Input : - DMAy_Channelx: where y can be 1 or 2 to select the DMA and -* x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the -* DMA Channel. -* - DMA_IT: specifies the DMA interrupts sources to be enabled -* or disabled. -* This parameter can be any combination of the following values: -* - DMA_IT_TC: Transfer complete interrupt mask -* - DMA_IT_HT: Half transfer interrupt mask -* - DMA_IT_TE: Transfer error interrupt mask -* - NewState: new state of the specified DMA interrupts. -* This parameter can be: ENABLE or DISABLE. -* Output : None -* Return : None -*******************************************************************************/ -void DMA_ITConfig(DMA_Channel_TypeDef* DMAy_Channelx, u32 DMA_IT, FunctionalState NewState) -{ - /* Check the parameters */ - assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); - assert_param(IS_DMA_CONFIG_IT(DMA_IT)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the selected DMA interrupts */ - DMAy_Channelx->CCR |= DMA_IT; - } - else - { - /* Disable the selected DMA interrupts */ - DMAy_Channelx->CCR &= ~DMA_IT; - } -} - -/******************************************************************************* -* Function Name : DMA_GetCurrDataCounter -* Description : Returns the number of remaining data units in the current -* DMAy Channelx transfer. -* Input : - DMAy_Channelx: where y can be 1 or 2 to select the DMA and -* x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the -* DMA Channel. -* Output : None -* Return : The number of remaining data units in the current DMAy Channelx -* transfer. -*******************************************************************************/ -u16 DMA_GetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx) -{ - /* Check the parameters */ - assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); - - /* Return the number of remaining data units for DMAy Channelx */ - return ((u16)(DMAy_Channelx->CNDTR)); -} - -/******************************************************************************* -* Function Name : DMA_GetFlagStatus -* Description : Checks whether the specified DMAy Channelx flag is set or not. -* Input : - DMA_FLAG: specifies the flag to check. -* This parameter can be one of the following values: -* - DMA1_FLAG_GL1: DMA1 Channel1 global flag. -* - DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag. -* - DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag. -* - DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag. -* - DMA1_FLAG_GL2: DMA1 Channel2 global flag. -* - DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag. -* - DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag. -* - DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag. -* - DMA1_FLAG_GL3: DMA1 Channel3 global flag. -* - DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag. -* - DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag. -* - DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag. -* - DMA1_FLAG_GL4: DMA1 Channel4 global flag. -* - DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag. -* - DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag. -* - DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag. -* - DMA1_FLAG_GL5: DMA1 Channel5 global flag. -* - DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag. -* - DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag. -* - DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag. -* - DMA1_FLAG_GL6: DMA1 Channel6 global flag. -* - DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag. -* - DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag. -* - DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag. -* - DMA1_FLAG_GL7: DMA1 Channel7 global flag. -* - DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag. -* - DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag. -* - DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag. -* - DMA2_FLAG_GL1: DMA2 Channel1 global flag. -* - DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag. -* - DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag. -* - DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag. -* - DMA2_FLAG_GL2: DMA2 Channel2 global flag. -* - DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag. -* - DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag. -* - DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag. -* - DMA2_FLAG_GL3: DMA2 Channel3 global flag. -* - DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag. -* - DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag. -* - DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag. -* - DMA2_FLAG_GL4: DMA2 Channel4 global flag. -* - DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag. -* - DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag. -* - DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag. -* - DMA2_FLAG_GL5: DMA2 Channel5 global flag. -* - DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag. -* - DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag. -* - DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag. -* Output : None -* Return : The new state of DMA_FLAG (SET or RESET). -*******************************************************************************/ -FlagStatus DMA_GetFlagStatus(u32 DMA_FLAG) -{ - FlagStatus bitstatus = RESET; - u32 tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_DMA_GET_FLAG(DMA_FLAG)); - - /* Calculate the used DMA */ - if ((DMA_FLAG & FLAG_Mask) != (u32)RESET) - { - /* Get DMA2 ISR register value */ - tmpreg = DMA2->ISR ; - } - else - { - /* Get DMA1 ISR register value */ - tmpreg = DMA1->ISR ; - } - - /* Check the status of the specified DMA flag */ - if ((tmpreg & DMA_FLAG) != (u32)RESET) - { - /* DMA_FLAG is set */ - bitstatus = SET; - } - else - { - /* DMA_FLAG is reset */ - bitstatus = RESET; - } - - /* Return the DMA_FLAG status */ - return bitstatus; -} - -/******************************************************************************* -* Function Name : DMA_ClearFlag -* Description : Clears the DMAy Channelx's pending flags. -* Input : - DMA_FLAG: specifies the flag to clear. -* This parameter can be any combination (for the same DMA) of -* the following values: -* - DMA1_FLAG_GL1: DMA1 Channel1 global flag. -* - DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag. -* - DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag. -* - DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag. -* - DMA1_FLAG_GL2: DMA1 Channel2 global flag. -* - DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag. -* - DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag. -* - DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag. -* - DMA1_FLAG_GL3: DMA1 Channel3 global flag. -* - DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag. -* - DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag. -* - DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag. -* - DMA1_FLAG_GL4: DMA1 Channel4 global flag. -* - DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag. -* - DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag. -* - DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag. -* - DMA1_FLAG_GL5: DMA1 Channel5 global flag. -* - DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag. -* - DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag. -* - DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag. -* - DMA1_FLAG_GL6: DMA1 Channel6 global flag. -* - DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag. -* - DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag. -* - DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag. -* - DMA1_FLAG_GL7: DMA1 Channel7 global flag. -* - DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag. -* - DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag. -* - DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag. -* - DMA2_FLAG_GL1: DMA2 Channel1 global flag. -* - DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag. -* - DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag. -* - DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag. -* - DMA2_FLAG_GL2: DMA2 Channel2 global flag. -* - DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag. -* - DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag. -* - DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag. -* - DMA2_FLAG_GL3: DMA2 Channel3 global flag. -* - DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag. -* - DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag. -* - DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag. -* - DMA2_FLAG_GL4: DMA2 Channel4 global flag. -* - DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag. -* - DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag. -* - DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag. -* - DMA2_FLAG_GL5: DMA2 Channel5 global flag. -* - DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag. -* - DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag. -* - DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag. -* Output : None -* Return : None -*******************************************************************************/ -void DMA_ClearFlag(u32 DMA_FLAG) -{ - /* Check the parameters */ - assert_param(IS_DMA_CLEAR_FLAG(DMA_FLAG)); - - /* Calculate the used DMA */ - if ((DMA_FLAG & FLAG_Mask) != (u32)RESET) - { - /* Clear the selected DMA flags */ - DMA2->IFCR = DMA_FLAG; - } - else - { - /* Clear the selected DMA flags */ - DMA1->IFCR = DMA_FLAG; - } -} - -/******************************************************************************* -* Function Name : DMA_GetITStatus -* Description : Checks whether the specified DMAy Channelx interrupt has -* occurred or not. -* Input : - DMA_IT: specifies the DMA interrupt source to check. -* This parameter can be one of the following values: -* - DMA1_IT_GL1: DMA1 Channel1 global interrupt. -* - DMA1_IT_TC1: DMA1 Channel1 transfer complete interrupt. -* - DMA1_IT_HT1: DMA1 Channel1 half transfer interrupt. -* - DMA1_IT_TE1: DMA1 Channel1 transfer error interrupt. -* - DMA1_IT_GL2: DMA1 Channel2 global interrupt. -* - DMA1_IT_TC2: DMA1 Channel2 transfer complete interrupt. -* - DMA1_IT_HT2: DMA1 Channel2 half transfer interrupt. -* - DMA1_IT_TE2: DMA1 Channel2 transfer error interrupt. -* - DMA1_IT_GL3: DMA1 Channel3 global interrupt. -* - DMA1_IT_TC3: DMA1 Channel3 transfer complete interrupt. -* - DMA1_IT_HT3: DMA1 Channel3 half transfer interrupt. -* - DMA1_IT_TE3: DMA1 Channel3 transfer error interrupt. -* - DMA1_IT_GL4: DMA1 Channel4 global interrupt. -* - DMA1_IT_TC4: DMA1 Channel4 transfer complete interrupt. -* - DMA1_IT_HT4: DMA1 Channel4 half transfer interrupt. -* - DMA1_IT_TE4: DMA1 Channel4 transfer error interrupt. -* - DMA1_IT_GL5: DMA1 Channel5 global interrupt. -* - DMA1_IT_TC5: DMA1 Channel5 transfer complete interrupt. -* - DMA1_IT_HT5: DMA1 Channel5 half transfer interrupt. -* - DMA1_IT_TE5: DMA1 Channel5 transfer error interrupt. -* - DMA1_IT_GL6: DMA1 Channel6 global interrupt. -* - DMA1_IT_TC6: DMA1 Channel6 transfer complete interrupt. -* - DMA1_IT_HT6: DMA1 Channel6 half transfer interrupt. -* - DMA1_IT_TE6: DMA1 Channel6 transfer error interrupt. -* - DMA1_IT_GL7: DMA1 Channel7 global interrupt. -* - DMA1_IT_TC7: DMA1 Channel7 transfer complete interrupt. -* - DMA1_IT_HT7: DMA1 Channel7 half transfer interrupt. -* - DMA1_IT_TE7: DMA1 Channel7 transfer error interrupt. -* - DMA2_IT_GL1: DMA2 Channel1 global interrupt. -* - DMA2_IT_TC1: DMA2 Channel1 transfer complete interrupt. -* - DMA2_IT_HT1: DMA2 Channel1 half transfer interrupt. -* - DMA2_IT_TE1: DMA2 Channel1 transfer error interrupt. -* - DMA2_IT_GL2: DMA2 Channel2 global interrupt. -* - DMA2_IT_TC2: DMA2 Channel2 transfer complete interrupt. -* - DMA2_IT_HT2: DMA2 Channel2 half transfer interrupt. -* - DMA2_IT_TE2: DMA2 Channel2 transfer error interrupt. -* - DMA2_IT_GL3: DMA2 Channel3 global interrupt. -* - DMA2_IT_TC3: DMA2 Channel3 transfer complete interrupt. -* - DMA2_IT_HT3: DMA2 Channel3 half transfer interrupt. -* - DMA2_IT_TE3: DMA2 Channel3 transfer error interrupt. -* - DMA2_IT_GL4: DMA2 Channel4 global interrupt. -* - DMA2_IT_TC4: DMA2 Channel4 transfer complete interrupt. -* - DMA2_IT_HT4: DMA2 Channel4 half transfer interrupt. -* - DMA2_IT_TE4: DMA2 Channel4 transfer error interrupt. -* - DMA2_IT_GL5: DMA2 Channel5 global interrupt. -* - DMA2_IT_TC5: DMA2 Channel5 transfer complete interrupt. -* - DMA2_IT_HT5: DMA2 Channel5 half transfer interrupt. -* - DMA2_IT_TE5: DMA2 Channel5 transfer error interrupt. -* Output : None -* Return : The new state of DMA_IT (SET or RESET). -*******************************************************************************/ -ITStatus DMA_GetITStatus(u32 DMA_IT) -{ - ITStatus bitstatus = RESET; - u32 tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_DMA_GET_IT(DMA_IT)); - - /* Calculate the used DMA */ - if ((DMA_IT & FLAG_Mask) != (u32)RESET) - { - /* Get DMA2 ISR register value */ - tmpreg = DMA2->ISR ; - } - else - { - /* Get DMA1 ISR register value */ - tmpreg = DMA1->ISR ; - } - - /* Check the status of the specified DMA interrupt */ - if ((tmpreg & DMA_IT) != (u32)RESET) - { - /* DMA_IT is set */ - bitstatus = SET; - } - else - { - /* DMA_IT is reset */ - bitstatus = RESET; - } - /* Return the DMA_IT status */ - return bitstatus; -} - -/******************************************************************************* -* Function Name : DMA_ClearITPendingBit -* Description : Clears the DMAy Channelx’s interrupt pending bits. -* Input : - DMA_IT: specifies the DMA interrupt pending bit to clear. -* This parameter can be any combination (for the same DMA) of -* the following values: -* - DMA1_IT_GL1: DMA1 Channel1 global interrupt. -* - DMA1_IT_TC1: DMA1 Channel1 transfer complete interrupt. -* - DMA1_IT_HT1: DMA1 Channel1 half transfer interrupt. -* - DMA1_IT_TE1: DMA1 Channel1 transfer error interrupt. -* - DMA1_IT_GL2: DMA1 Channel2 global interrupt. -* - DMA1_IT_TC2: DMA1 Channel2 transfer complete interrupt. -* - DMA1_IT_HT2: DMA1 Channel2 half transfer interrupt. -* - DMA1_IT_TE2: DMA1 Channel2 transfer error interrupt. -* - DMA1_IT_GL3: DMA1 Channel3 global interrupt. -* - DMA1_IT_TC3: DMA1 Channel3 transfer complete interrupt. -* - DMA1_IT_HT3: DMA1 Channel3 half transfer interrupt. -* - DMA1_IT_TE3: DMA1 Channel3 transfer error interrupt. -* - DMA1_IT_GL4: DMA1 Channel4 global interrupt. -* - DMA1_IT_TC4: DMA1 Channel4 transfer complete interrupt. -* - DMA1_IT_HT4: DMA1 Channel4 half transfer interrupt. -* - DMA1_IT_TE4: DMA1 Channel4 transfer error interrupt. -* - DMA1_IT_GL5: DMA1 Channel5 global interrupt. -* - DMA1_IT_TC5: DMA1 Channel5 transfer complete interrupt. -* - DMA1_IT_HT5: DMA1 Channel5 half transfer interrupt. -* - DMA1_IT_TE5: DMA1 Channel5 transfer error interrupt. -* - DMA1_IT_GL6: DMA1 Channel6 global interrupt. -* - DMA1_IT_TC6: DMA1 Channel6 transfer complete interrupt. -* - DMA1_IT_HT6: DMA1 Channel6 half transfer interrupt. -* - DMA1_IT_TE6: DMA1 Channel6 transfer error interrupt. -* - DMA1_IT_GL7: DMA1 Channel7 global interrupt. -* - DMA1_IT_TC7: DMA1 Channel7 transfer complete interrupt. -* - DMA1_IT_HT7: DMA1 Channel7 half transfer interrupt. -* - DMA1_IT_TE7: DMA1 Channel7 transfer error interrupt. -* - DMA2_IT_GL1: DMA2 Channel1 global interrupt. -* - DMA2_IT_TC1: DMA2 Channel1 transfer complete interrupt. -* - DMA2_IT_HT1: DMA2 Channel1 half transfer interrupt. -* - DMA2_IT_TE1: DMA2 Channel1 transfer error interrupt. -* - DMA2_IT_GL2: DMA2 Channel2 global interrupt. -* - DMA2_IT_TC2: DMA2 Channel2 transfer complete interrupt. -* - DMA2_IT_HT2: DMA2 Channel2 half transfer interrupt. -* - DMA2_IT_TE2: DMA2 Channel2 transfer error interrupt. -* - DMA2_IT_GL3: DMA2 Channel3 global interrupt. -* - DMA2_IT_TC3: DMA2 Channel3 transfer complete interrupt. -* - DMA2_IT_HT3: DMA2 Channel3 half transfer interrupt. -* - DMA2_IT_TE3: DMA2 Channel3 transfer error interrupt. -* - DMA2_IT_GL4: DMA2 Channel4 global interrupt. -* - DMA2_IT_TC4: DMA2 Channel4 transfer complete interrupt. -* - DMA2_IT_HT4: DMA2 Channel4 half transfer interrupt. -* - DMA2_IT_TE4: DMA2 Channel4 transfer error interrupt. -* - DMA2_IT_GL5: DMA2 Channel5 global interrupt. -* - DMA2_IT_TC5: DMA2 Channel5 transfer complete interrupt. -* - DMA2_IT_HT5: DMA2 Channel5 half transfer interrupt. -* - DMA2_IT_TE5: DMA2 Channel5 transfer error interrupt. -* Output : None -* Return : None -*******************************************************************************/ -void DMA_ClearITPendingBit(u32 DMA_IT) -{ - /* Check the parameters */ - assert_param(IS_DMA_CLEAR_IT(DMA_IT)); - - /* Calculate the used DMA */ - if ((DMA_IT & FLAG_Mask) != (u32)RESET) - { - /* Clear the selected DMA interrupt pending bits */ - DMA2->IFCR = DMA_IT; - } - else - { - /* Clear the selected DMA interrupt pending bits */ - DMA1->IFCR = DMA_IT; - } -} - -/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/ - -- cgit v1.2.3