stm32_dma.c File Reference

#include <arch/arm.h>
#include <dev/irqreg.h>
#include <arch/arm/cortex_interrupt.h>
#include <arch/arm/stm32f10x.h>
#include <arch/arm/stm32f10x_dma.h>
#include <arch/arm/stm32f10x_rcc.h>

Include dependency graph for stm32_dma.c:

Functions
void	DMA_Setup (DMA_Channel_TypeDef *channel, void *mem, void *periph, uint16_t length, uint32_t flags)
void	DMA_Enable (DMA_Channel_TypeDef *chan)
void	DMA_Disable (DMA_Channel_TypeDef *chan)
void	DMA_Handler_IRQ (void)
void	DMA_Init ()
void	DMA_ClearFlag (uint32_t DMA_FLAG)
void	DMA_Register_Interrupt (DMA_Channel_TypeDef *channel, HANDLE *handle)
Variables
HANDLE *	dma1_args [7]
HANDLE *	dma2_args [5]
IRQn_Type	DMA_IRQn [12]

---

Function Documentation

void DMA_Setup	(	DMA_Channel_TypeDef *	channel,
		void *	mem,
		void *	periph,
		uint16_t	length,
		uint32_t	flags
	)

References DMA_Channel_TypeDef::CCR, DMA_Channel_TypeDef::CMAR, DMA_Channel_TypeDef::CNDTR, DMA_Channel_TypeDef::CPAR, RCC, RCC_AHBPeriph_DMA1, and RCC_AHBPeriph_DMA2.

void DMA_Enable

(

DMA_Channel_TypeDef *

chan

)

References DMA_Channel_TypeDef::CCR.

void DMA_Disable

(

DMA_Channel_TypeDef *

chan

)

References DMA_Channel_TypeDef::CCR.

void DMA_Handler_IRQ

(

void

)

References DMA1, dma1_args, DMA2, dma2_args, NULL, and NutEventPostFromIrq.

Referenced by DMA_Init().

void DMA_Init

(

void

)

References dma1_args, dma2_args, DMA_Handler_IRQ(), DMA_IRQn, IntEnable(), IntRegister(), and NULL.

Here is the call graph for this function:

void DMA_ClearFlag

(

uint32_t

DMA_FLAG

)

References DMA1, and DMA2.

void DMA_Register_Interrupt	(	DMA_Channel_TypeDef *	channel,
		HANDLE *	handle
	)

References dma1_args, DMA1_Channel1, DMA1_Channel2, DMA1_Channel3, DMA1_Channel4, DMA1_Channel5, DMA1_Channel6, DMA1_Channel7, dma2_args, DMA2_Channel1, DMA2_Channel2, DMA2_Channel3, DMA2_Channel4, and DMA2_Channel5.

---

Variable Documentation

HANDLE* dma1_args[7]

Referenced by DMA_Handler_IRQ(), DMA_Init(), and DMA_Register_Interrupt().

HANDLE* dma2_args[5]

Referenced by DMA_Handler_IRQ(), DMA_Init(), and DMA_Register_Interrupt().

IRQn_Type DMA_IRQn[12]

Initial value:

{
  DMA1_Channel1_IRQn          ,
  DMA1_Channel2_IRQn          ,
  DMA1_Channel3_IRQn          ,
  DMA1_Channel4_IRQn          ,
  DMA1_Channel5_IRQn          ,
  DMA1_Channel6_IRQn          ,
  DMA1_Channel7_IRQn          ,
  DMA2_Channel1_IRQn          ,
  DMA2_Channel2_IRQn          ,
  DMA2_Channel3_IRQn          ,
  DMA2_Channel4_IRQn          ,
  DMA2_Channel5_IRQn
}