Modules | Functions
DMA_Private_Functions
STM32F4xx_StdPeriph_Driver | STM32F10x_StdPeriph_Driver | STM32F30x_StdPeriph_Driver » DMA
Collaboration diagram for DMA_Private_Functions:

Modules

 Initialization and Configuration functions
 Initialization and Configuration functions.
 
 Data Counter functions
 Data Counter functions.
 
 Double Buffer mode functions
 Double Buffer mode functions.
 
 Interrupts and flags management functions
 Interrupts and flags management functions.
 

Functions

void DMA_ClearFlag (uint32_t DMAy_FLAG)
 Clears the DMAy Channelx's pending flags. More...
 
void DMA_ClearITPendingBit (uint32_t DMAy_IT)
 Clears the DMAy Channelx's interrupt pending bits. More...
 
void DMA_Cmd (DMA_Channel_TypeDef *DMAy_Channelx, FunctionalState NewState)
 Enables or disables the specified DMAy Channelx. More...
 
void DMA_DeInit (DMA_Channel_TypeDef *DMAy_Channelx)
 Deinitializes the DMAy Channelx registers to their default reset values. More...
 
uint16_t DMA_GetCurrDataCounter (DMA_Channel_TypeDef *DMAy_Channelx)
 Returns the number of remaining data units in the current DMAy Channelx transfer. More...
 
FlagStatus DMA_GetFlagStatus (uint32_t DMAy_FLAG)
 Checks whether the specified DMAy Channelx flag is set or not. More...
 
ITStatus DMA_GetITStatus (uint32_t DMAy_IT)
 Checks whether the specified DMAy Channelx interrupt has occurred or not. More...
 
void DMA_Init (DMA_Channel_TypeDef *DMAy_Channelx, DMA_InitTypeDef *DMA_InitStruct)
 Initializes the DMAy Channelx according to the specified parameters in the DMA_InitStruct. More...
 
void DMA_ITConfig (DMA_Channel_TypeDef *DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState)
 Enables or disables the specified DMAy Channelx interrupts. More...
 
void DMA_SetCurrDataCounter (DMA_Channel_TypeDef *DMAy_Channelx, uint16_t DataNumber)
 Sets the number of data units in the current DMAy Channelx transfer. More...
 
void DMA_StructInit (DMA_InitTypeDef *DMA_InitStruct)
 Fills each DMA_InitStruct member with its default value. More...
 

Detailed Description

Function Documentation

void DMA_ClearFlag ( uint32_t  DMAy_FLAG)

Clears the DMAy Channelx's pending flags.

Parameters
DMAy_FLAGspecifies 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.
Return values
None

Definition at line 523 of file stm32f10x_dma.c.

void DMA_ClearITPendingBit ( uint32_t  DMAy_IT)

Clears the DMAy Channelx's interrupt pending bits.

Parameters
DMAy_ITspecifies the DMAy 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.
Return values
None

Definition at line 684 of file stm32f10x_dma.c.

void DMA_Cmd ( DMA_Channel_TypeDef *  DMAy_Channelx,
FunctionalState  NewState 
)

Enables or disables the specified DMAy Channelx.

Parameters
DMAy_Channelxwhere 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.
NewStatenew state of the DMAy Channelx. This parameter can be: ENABLE or DISABLE.
Return values
None

Definition at line 294 of file stm32f10x_dma.c.

void DMA_DeInit ( DMA_Channel_TypeDef *  DMAy_Channelx)

Deinitializes the DMAy Channelx registers to their default reset values.

Parameters
DMAy_Channelxwhere 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.
Return values
None

Definition at line 108 of file stm32f10x_dma.c.

uint16_t DMA_GetCurrDataCounter ( DMA_Channel_TypeDef *  DMAy_Channelx)

Returns the number of remaining data units in the current DMAy Channelx transfer.

Parameters
DMAy_Channelxwhere 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.
Return values
Thenumber of remaining data units in the current DMAy Channelx transfer.

Definition at line 371 of file stm32f10x_dma.c.

FlagStatus DMA_GetFlagStatus ( uint32_t  DMAy_FLAG)

Checks whether the specified DMAy Channelx flag is set or not.

Parameters
DMAy_FLAGspecifies 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.
Return values
Thenew state of DMAy_FLAG (SET or RESET).

Definition at line 433 of file stm32f10x_dma.c.

ITStatus DMA_GetITStatus ( uint32_t  DMAy_IT)

Checks whether the specified DMAy Channelx interrupt has occurred or not.

Parameters
DMAy_ITspecifies the DMAy 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.
Return values
Thenew state of DMAy_IT (SET or RESET).

Definition at line 595 of file stm32f10x_dma.c.

void DMA_Init ( DMA_Channel_TypeDef *  DMAy_Channelx,
DMA_InitTypeDef *  DMA_InitStruct 
)

Initializes the DMAy Channelx according to the specified parameters in the DMA_InitStruct.

Parameters
DMAy_Channelxwhere 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_InitStructpointer to a DMA_InitTypeDef structure that contains the configuration information for the specified DMA Channel.
Return values
None

Definition at line 202 of file stm32f10x_dma.c.

void DMA_ITConfig ( DMA_Channel_TypeDef *  DMAy_Channelx,
uint32_t  DMA_IT,
FunctionalState  NewState 
)

Enables or disables the specified DMAy Channelx interrupts.

Parameters
DMAy_Channelxwhere 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_ITspecifies 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
NewStatenew state of the specified DMA interrupts. This parameter can be: ENABLE or DISABLE.
Return values
None

Definition at line 326 of file stm32f10x_dma.c.

void DMA_SetCurrDataCounter ( DMA_Channel_TypeDef *  DMAy_Channelx,
uint16_t  DataNumber 
)

Sets the number of data units in the current DMAy Channelx transfer.

Parameters
DMAy_Channelxwhere 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.
DataNumberThe number of data units in the current DMAy Channelx transfer.
Note
This function can only be used when the DMAy_Channelx is disabled.
Return values
None.

Definition at line 353 of file stm32f10x_dma.c.

void DMA_StructInit ( DMA_InitTypeDef *  DMA_InitStruct)

Fills each DMA_InitStruct member with its default value.

Parameters
DMA_InitStruct: pointer to a DMA_InitTypeDef structure which will be initialized.
Return values
None

Definition at line 259 of file stm32f10x_dma.c.


rosflight_firmware
Author(s): Daniel Koch , James Jackson
autogenerated on Wed Jul 3 2019 19:59:29