hpm_jpeg_drv.h File Reference

#include "hpm_common.h"
#include "hpm_jpeg_regs.h"

Go to the source code of this file.

Data Structures
struct	jpeg_sampling_t
	data format definition More...
struct	jpeg_pixel_t
struct	jpeg_job_config_t
	jpeg encoding and decoding configuration parameters More...

Macros
#define	JPEG_EVENT_BUSY   JPEG_STAT_BUSY_MASK
	Define events of the jpeg module. More...
#define	JPEG_EVENT_OUT_DMA_FINISH   JPEG_STAT_OUT_DMA_TRANSFER_DONE_MASK
#define	JPEG_EVENT_IN_DMA_FINISH   JPEG_STAT_IN_DMA_TRANSFER_DONE_MASK
#define	JPEG_EVENT_ERROR   (JPEG_STAT_RESTART_MARKER_ERROR_MASK | (0xF << 7))
#define	JPEG_BYTE_ORDER_3210   (0U)
	byte order in a word More...
#define	JPEG_BYTE_ORDER_2301   (1U)
#define	JPEG_BYTE_ORDER_1032   (2U)
#define	JPEG_BYTE_ORDER_0123   (3U)
#define	JPEG_SUPPORTED_FORMAT_420   (0U)
	jpeg pixel conversion format More...
#define	JPEG_SUPPORTED_FORMAT_422H   (1U)
#define	JPEG_SUPPORTED_FORMAT_422V   (2U)
#define	JPEG_SUPPORTED_FORMAT_444   (3U)
#define	JPEG_SUPPORTED_FORMAT_400   (4U)

Typedefs
typedef enum jpeg_table	jpeg_table_t
	jpeg encoding and decoding configuration parameters More...
typedef enum jpeg_pixel_format	jpeg_pixel_format_t

Enumerations
enum	jpeg_table {   jpeg_table_qmem = 0x201002 , jpeg_table_huffenc = 0x201803 , jpeg_table_huffmin = 0x400104 , jpeg_table_huffbase = 0x200405 ,   jpeg_table_huffsymb = 0x101506 }
	jpeg encoding and decoding configuration parameters More...
enum	jpeg_pixel_format { jpeg_pixel_format_argb8888 = 0 , jpeg_pixel_format_rgb565 , jpeg_pixel_format_yuv422h1p , jpeg_pixel_format_y8 }

Functions
static void	jpeg_clear_cfg (JPEG_Type *ptr)
	clear jpeg cfg Register More...
static void	jpeg_disable (JPEG_Type *ptr)
	jpeg function disable More...
static void	jpeg_enable (JPEG_Type *ptr)
	jpeg function enable More...
static void	jpeg_stop (JPEG_Type *ptr)
	stop a encoder/decoder conversion More...
static void	jpeg_start (JPEG_Type *ptr)
	start a new encoder/decoder conversion More...
static uint32_t	jpeg_get_status (JPEG_Type *ptr)
	obtain jpeg Status Register More...
static void	jpeg_clear_status (JPEG_Type *ptr, uint32_t mask)
	clear jpeg Status Register More...
static uint32_t	jpeg_get_encoded_length (JPEG_Type *ptr)
	Out DMA Bytes Counter. More...
static void	jpeg_software_reset (JPEG_Type *ptr)
	jpeg Software Reset More...
void	jpeg_reset (JPEG_Type *ptr)
	stop a encoder/decoder conversion and Software Reset More...
void	jpeg_enable_irq (JPEG_Type *ptr, uint32_t mask)
	jpeg enable interrupt More...
void	jpeg_disable_irq (JPEG_Type *ptr, uint32_t mask)
	jpeg disable interrupt More...
void	jpeg_init (JPEG_Type *ptr)
	stop a encoder/decoder conversion and Software Reset More...
hpm_stat_t	jpeg_fill_table (JPEG_Type *ptr, jpeg_table_t table, uint8_t *data, uint32_t count)
	fill tables for jpeg controller More...
hpm_stat_t	jpeg_start_decode (JPEG_Type *ptr, jpeg_job_config_t *config, uint32_t length)
	it will start decoding, and the process status needs to be checked by querying JPEG_EVENT More...
hpm_stat_t	jpeg_start_encode (JPEG_Type *ptr, jpeg_job_config_t *config)
	it will start encoding, and the process status needs to be checked by querying JPEG_EVENT More...