W801_SDK_dev_env/include/driver/wm_psram.h
2022-06-10 07:20:18 +02:00

67 lines
1.1 KiB
C

#ifndef __WM_PSRAM_H__
#define __WM_PSRAM_H__
#define PSRAM_ADDR_START 0x30000000
#define PSRAM_SIZE_BYTE 0x00800000
typedef enum{
PSRAM_SPI = 0,
PSRAM_QPI,
} psram_mode_t;
/**
* @defgroup Driver_APIs Driver APIs
* @brief Driver APIs
*/
/**
* @addtogroup Driver_APIs
* @{
*/
/**
* @defgroup PSRAM_Driver_APIs PSRAM Driver APIs
* @brief PSRAM driver APIs
*/
/**
* @addtogroup PSRAM_Driver_APIs
* @{
*/
/**
* @brief This function is used to init the psram .
*
* @param[in] mode is work mode, PSRAM_SPI or PSRAM_QPI
*
* @retval none
*
* @note None
*/
void psram_init(psram_mode_t mode);
/**
* @brief This function is used to Copy block of memory in dma mode .
*
* @param[in] src Pointer to the source of data to be copied
* @param[in] dst Pointer to the destination array where the content is to be copied
* @param[in] num Number of bytes to copy
*
* @retval num Number of bytes that's been copied
*
* @note None
*/
int memcpy_dma(unsigned char *dst, unsigned char *src, int num);
/**
* @}
*/
/**
* @}
*/
#endif