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