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LibrePilot/flight/pios/inc/pios_video.h

105 lines
3.0 KiB
C

/**
******************************************************************************
* @addtogroup PIOS PIOS Core hardware abstraction layer
* @{
* @addtogroup PIOS_VIDEO Code for OSD video generator
* @brief OSD generator, Parts from CL-OSD and SUPEROSD project
* @{
*
* @file pios_video.h
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief OSD generator, Parts from CL-OSD and SUPEROSD projects
* @see The GNU Public License (GPL) Version 3
*
******************************************************************************
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PIOS_VIDEO_H
#define PIOS_VIDEO_H
#include <pios_stm32.h>
#include <pios_spi_priv.h>
struct pios_video_cfg {
const struct pios_spi_cfg mask;
const struct pios_spi_cfg level;
const struct pios_exti_cfg *hsync;
const struct pios_exti_cfg *vsync;
struct pios_tim_channel pixel_timer;
struct pios_tim_channel hsync_capture;
TIM_OCInitTypeDef tim_oc_init;
};
// Time vars
typedef struct {
uint8_t sec;
uint8_t min;
uint8_t hour;
} TTime;
extern TTime timex;
extern void PIOS_Video_Init(const struct pios_video_cfg *cfg);
uint16_t PIOS_Video_GetOSDLines(void);
extern bool PIOS_Hsync_ISR();
extern bool PIOS_Vsync_ISR();
// First OSD line
#define GRAPHICS_LINE 25
// top/left deadband
#define GRAPHICS_HDEADBAND 80
#define GRAPHICS_VDEADBAND 0
#define PAL
// Real OSD size
#ifdef PAL
// #define GRAPHICS_WIDTH_REAL (352+GRAPHICS_HDEADBAND)
#define GRAPHICS_WIDTH_REAL 416
#define GRAPHICS_HEIGHT_REAL (270 + GRAPHICS_VDEADBAND)
#else
#define GRAPHICS_WIDTH_REAL (312 + GRAPHICS_HDEADBAND)
#define GRAPHICS_HEIGHT_REAL (225 + GRAPHICS_VDEADBAND)
#endif
// draw area
#define GRAPHICS_TOP 0
#define GRAPHICS_LEFT 0
#define GRAPHICS_BOTTOM (GRAPHICS_HEIGHT_REAL - GRAPHICS_VDEADBAND - 1)
#define GRAPHICS_RIGHT (GRAPHICS_WIDTH_REAL - GRAPHICS_HDEADBAND - 1)
#define GRAPHICS_WIDTH (GRAPHICS_WIDTH_REAL / 8)
#define GRAPHICS_HEIGHT GRAPHICS_HEIGHT_REAL
// dma lenght
#define BUFFER_LINE_LENGTH (GRAPHICS_WIDTH) // Yes, in bytes.
// line types
#define LINE_TYPE_UNKNOWN 0
#define LINE_TYPE_GRAPHICS 2
// Macro to swap buffers given a temporary pointer.
#define SWAP_BUFFS(tmp, a, b) { tmp = a; a = b; b = tmp; }
#endif /* PIOS_VIDEO_H */