driver.c File Reference

#include "hal/vsf_hal_cfg.h"
#include "./device.h"
#include "./driver.h"

Data Structures
struct	vsf_dma_t

Macros
#define	PLL_SRC   CLKREF_12MIRC
#define	MAINCLK_SRC   CLKSRC_PLL
#define	MAINCLK_FREQ_HZ   __SYSTEM_FREQ

Typedefs
typedef struct vsf_dma_t	vsf_dma_t

Functions
void	DMA_IRQHandler (void)
void	__vsf_dma_channel_start (__dma_channel_t *channel, uint_fast64_t channel_cfg)
void	__vsf_dma_channel_stop (__dma_channel_t *channel)
void	__vsf_dma_free_channel (__dma_channel_t *channel)
__dma_channel_t *	__vsf_dma_alloc_channel (__dma_trans_t *trans, uint_fast8_t trans_num)
void	vsf_arch_sleep (uint32_t mode)
	arch sleep, will enable global interrupt for wakeup !
int	__low_level_init (void)
bool	vsf_driver_init (void)
	common hal drivers

Variables
const uint16_t	__dma_max_trans_size [DMA_CHANNEL_COUNT]

Macro Definition Documentation

PLL_SRC

#define PLL_SRC   CLKREF_12MIRC

MAINCLK_SRC

#define MAINCLK_SRC   CLKSRC_PLL

MAINCLK_FREQ_HZ

#define MAINCLK_FREQ_HZ   __SYSTEM_FREQ

Typedef Documentation

vsf_dma_t

typedef struct vsf_dma_t vsf_dma_t

Function Documentation

DMA_IRQHandler()

void DMA_IRQHandler

(

void

)

__vsf_dma_channel_start()

void __vsf_dma_channel_start	(	__dma_channel_t *	channel,
		uint_fast64_t	channel_cfg
	)

__vsf_dma_channel_stop()

void __vsf_dma_channel_stop

(

__dma_channel_t *

channel

)

__vsf_dma_free_channel()

void __vsf_dma_free_channel

(

__dma_channel_t *

channel

)

__vsf_dma_alloc_channel()

__dma_channel_t * __vsf_dma_alloc_channel	(	__dma_trans_t *	trans,
		uint_fast8_t	trans_num
	)

vsf_arch_sleep()

void vsf_arch_sleep

(

uint32_t

mode

)

arch sleep, will enable global interrupt for wakeup !

Parameters

mode	the mode of sleep !

Returns

void

__low_level_init()

int __low_level_init

(

void

)

vsf_driver_init()

bool vsf_driver_init

(

void

)

common hal drivers

Note

initialize device driver

Parameters

none

Return values

true	initialization succeeded.
false	initialization failed

initialise interrupt controller;

\tagpll_init[]

\endpll_init[]

\tag::configure_clk_sys[]

\end::configure_clk_sys[]

Variable Documentation

__dma_max_trans_size

const uint16_t __dma_max_trans_size[DMA_CHANNEL_COUNT]

Initial value:

= {
    DMA_CHANNEL_MAX_TRANS_SIZES
}