Code for OSD video generator

Output video (black & white pixels) over SPI. More...

Files
file	pios_video.h
	OSD gen module, handles OSD draw. Parts from CL-OSD and SUPEROSD projects.
file	pios_video.c
	OSD gen module, handles OSD draw. Parts from CL-OSD and SUPEROSD projects.
file	pios_video.c
	OSD gen module, handles OSD draw. Parts from CL-OSD and SUPEROSD projects.

Data Structures
struct	pios_video_type_boundary
struct	pios_video_type_cfg
struct	pios_video_cfg

Macros
#define	GRAPHICS_LEFT   0
#define	GRAPHICS_TOP   0
#define	GRAPHICS_RIGHT   pios_video_type_boundary_act->graphics_right
#define	GRAPHICS_BOTTOM   pios_video_type_boundary_act->graphics_bottom
#define	GRAPHICS_X_MIDDLE   ((GRAPHICS_RIGHT + 1) / 2)
#define	GRAPHICS_Y_MIDDLE   ((GRAPHICS_BOTTOM + 1) / 2)
#define	VIDEO_TYPE_PAL_ROWS   300
#define	GRAPHICS_WIDTH_REAL   376
#define	GRAPHICS_HEIGHT_REAL   266
#define	BUFFER_WIDTH_TMP   (GRAPHICS_WIDTH_REAL / (8 / PIOS_VIDEO_BITS_PER_PIXEL))
#define	BUFFER_WIDTH   (BUFFER_WIDTH_TMP + BUFFER_WIDTH_TMP % 4)
#define	BUFFER_HEIGHT   (GRAPHICS_HEIGHT_REAL)
#define	SWAP_BUFFS(tmp, a, b)   { tmp = a; a = b; b = tmp; }

Enumerations
enum	pios_video_3d_mode { PIOS_VIDEO_3D_DISABLED, PIOS_VIDEO_3D_SBS3D }
enum	pios_video_system { PIOS_VIDEO_SYSTEM_NONE, PIOS_VIDEO_SYSTEM_PAL, PIOS_VIDEO_SYSTEM_NTSC }

Functions
bool	PIOS_Vsync_ISR ()
bool	PIOS_Hsync_ISR ()
void	PIOS_Video_Init (const struct pios_video_cfg *cfg)
void	PIOS_Pixel_Init (void)
void	PIOS_Video_SetLevels (uint8_t, uint8_t)
void	PIOS_Video_SetXOffset (int8_t)
void	PIOS_Video_SetYOffset (int8_t)
void	PIOS_Video_SetXScale (uint8_t x_scale)
void	PIOS_Video_Set3DConfig (enum pios_video_3d_mode mode, uint8_t right_eye_x_shift)
uint16_t	PIOS_Video_GetLines (void)
enum pios_video_system	PIOS_Video_GetSystem (void)

Variables
uint16_t	pios_video_type_boundary::graphics_right
uint16_t	pios_video_type_boundary::graphics_bottom
uint16_t	pios_video_type_cfg::graphics_height_real
uint16_t	pios_video_type_cfg::graphics_column_start
uint8_t	pios_video_type_cfg::graphics_line_start
uint8_t	pios_video_type_cfg::dma_buffer_length
uint8_t	pios_video_type_cfg::period
uint8_t	pios_video_type_cfg::dc
DMA_TypeDef *	pios_video_cfg::mask_dma
const struct pios_spi_cfg	pios_video_cfg::mask
DMA_TypeDef *	pios_video_cfg::level_dma
const struct pios_spi_cfg	pios_video_cfg::level
struct pios_tim_channel	pios_video_cfg::hsync_capture
struct pios_tim_channel	pios_video_cfg::pixel_timer
TIM_OCInitTypeDef	pios_video_cfg::tim_oc_init
const struct pios_exti_cfg *	pios_video_cfg::vsync
void(*	pios_video_cfg::set_bw_levels )(uint8_t, uint8_t)
void(*	pios_video_cfg::set_x_scale )(uint8_t)
void(*	pios_video_cfg::set_3d_config )(enum pios_video_3d_mode, uint8_t)
const struct pios_video_cfg	pios_video_cfg
const struct pios_video_type_boundary *	pios_video_type_boundary_act

Detailed Description

Output video (black & white pixels) over SPI.

Macro Definition Documentation

#define BUFFER_HEIGHT   (GRAPHICS_HEIGHT_REAL)

Definition at line 148 of file pios_video.h.

#define BUFFER_WIDTH   (BUFFER_WIDTH_TMP + BUFFER_WIDTH_TMP % 4)

Definition at line 147 of file pios_video.h.

#define BUFFER_WIDTH_TMP   (GRAPHICS_WIDTH_REAL / (8 / PIOS_VIDEO_BITS_PER_PIXEL))

Definition at line 146 of file pios_video.h.

#define GRAPHICS_BOTTOM   pios_video_type_boundary_act->graphics_bottom

Definition at line 131 of file pios_video.h.

#define GRAPHICS_HEIGHT_REAL   266

Definition at line 141 of file pios_video.h.

#define GRAPHICS_LEFT   0

Definition at line 128 of file pios_video.h.

#define GRAPHICS_RIGHT   pios_video_type_boundary_act->graphics_right

Definition at line 130 of file pios_video.h.

#define GRAPHICS_TOP   0

Definition at line 129 of file pios_video.h.

#define GRAPHICS_WIDTH_REAL   376

Definition at line 140 of file pios_video.h.

#define GRAPHICS_X_MIDDLE   ((GRAPHICS_RIGHT + 1) / 2)

Definition at line 133 of file pios_video.h.

#define GRAPHICS_Y_MIDDLE   ((GRAPHICS_BOTTOM + 1) / 2)

Definition at line 134 of file pios_video.h.

#define SWAP_BUFFS	(		tmp,
			a,
			b
	)		{ tmp = a; a = b; b = tmp; }

Definition at line 152 of file pios_video.h.

#define VIDEO_TYPE_PAL_ROWS   300

Definition at line 137 of file pios_video.h.

Enumeration Type Documentation

enum pios_video_3d_mode

Enumerator
PIOS_VIDEO_3D_DISABLED
PIOS_VIDEO_3D_SBS3D

Definition at line 45 of file pios_video.h.

enum pios_video_system

Enumerator
PIOS_VIDEO_SYSTEM_NONE
PIOS_VIDEO_SYSTEM_PAL
PIOS_VIDEO_SYSTEM_NTSC

Definition at line 50 of file pios_video.h.

Function Documentation

bool PIOS_Hsync_ISR

(

)

void PIOS_Pixel_Init

(

void

)

uint16_t PIOS_Video_GetLines

(

void

)

enum pios_video_system PIOS_Video_GetSystem

(

void

)

void PIOS_Video_Init

(

const struct pios_video_cfg *

cfg

)

void PIOS_Video_Set3DConfig	(	enum pios_video_3d_mode	mode,
		uint8_t	right_eye_x_shift
	)

void PIOS_Video_SetLevels	(	uint8_t	,
		uint8_t
	)

void PIOS_Video_SetXOffset

(

int8_t

)

void PIOS_Video_SetXScale

(

uint8_t

x_scale

)

void PIOS_Video_SetYOffset

(

int8_t

)

bool PIOS_Vsync_ISR

(

)

Variable Documentation

uint8_t pios_video_type_cfg::dc

Definition at line 92 of file pios_video.h.

uint8_t pios_video_type_cfg::dma_buffer_length

Definition at line 90 of file pios_video.h.

uint16_t pios_video_type_boundary::graphics_bottom

Definition at line 41 of file pios_video.h.

uint16_t pios_video_type_cfg::graphics_column_start

Definition at line 88 of file pios_video.h.

uint16_t pios_video_type_cfg::graphics_height_real

Definition at line 87 of file pios_video.h.

uint8_t pios_video_type_cfg::graphics_line_start

Definition at line 89 of file pios_video.h.

uint16_t pios_video_type_boundary::graphics_right

Definition at line 40 of file pios_video.h.

struct pios_tim_channel pios_video_cfg::hsync_capture

Definition at line 100 of file pios_video.h.

const struct pios_spi_cfg pios_video_cfg::level

Definition at line 99 of file pios_video.h.

DMA_TypeDef* pios_video_cfg::level_dma

Definition at line 98 of file pios_video.h.

const struct pios_spi_cfg pios_video_cfg::mask

Definition at line 97 of file pios_video.h.

DMA_TypeDef* pios_video_cfg::mask_dma

Definition at line 96 of file pios_video.h.

uint8_t pios_video_type_cfg::period

Definition at line 91 of file pios_video.h.

const struct pios_video_cfg pios_video_cfg

const struct pios_video_type_boundary* pios_video_type_boundary_act

struct pios_tim_channel pios_video_cfg::pixel_timer

Definition at line 101 of file pios_video.h.

void(* pios_video_cfg::set_3d_config)(enum pios_video_3d_mode, uint8_t)

Definition at line 106 of file pios_video.h.

void(* pios_video_cfg::set_bw_levels)(uint8_t, uint8_t)

Definition at line 104 of file pios_video.h.

void(* pios_video_cfg::set_x_scale)(uint8_t)

Definition at line 105 of file pios_video.h.

TIM_OCInitTypeDef pios_video_cfg::tim_oc_init

Definition at line 102 of file pios_video.h.

const struct pios_exti_cfg* pios_video_cfg::vsync

Definition at line 103 of file pios_video.h.