/*
* This file is part of Cleanflight and Betaflight.
*
* Cleanflight and Betaflight are free software. You can redistribute
* this software and/or modify this software 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.
*
* Cleanflight and Betaflight are distributed in the hope that they
* 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 software.
*
* If not, see .
*/
#pragma once
#include
#include "drivers/display.h"
/** PAL or NTSC, value is number of chars total */
#define VIDEO_BUFFER_CHARS_NTSC 390
#define VIDEO_BUFFER_CHARS_PAL 480
#define VIDEO_LINES_NTSC 13
#define VIDEO_LINES_PAL 16
typedef enum {
// IO defined and MAX7456 was detected
MAX7456_INIT_OK = 0,
// IO defined, but MAX7456 could not be detected (maybe not yet
// powered on)
MAX7456_INIT_NOT_FOUND = -1,
// No MAX7456 IO defined, which means either the we don't have it or
// it's not properly configured
MAX7456_INIT_NOT_CONFIGURED = -2,
} max7456InitStatus_e;
extern uint16_t maxScreenSize;
struct vcdProfile_s;
void max7456HardwareReset(void);
struct max7456Config_s;
void max7456PreInit(const struct max7456Config_s *max7456Config);
max7456InitStatus_e max7456Init(const struct max7456Config_s *max7456Config, const struct vcdProfile_s *vcdProfile, bool cpuOverclock);
void max7456Invert(bool invert);
void max7456Brightness(uint8_t black, uint8_t white);
void max7456DrawScreen(void);
bool max7456WriteNvm(uint8_t char_address, const uint8_t *font_data);
uint8_t max7456GetRowsCount(void);
void max7456Write(uint8_t x, uint8_t y, const char *buff);
void max7456WriteChar(uint8_t x, uint8_t y, uint8_t c);
void max7456ClearScreen(void);
void max7456RefreshAll(void);
bool max7456DmaInProgress(void);
bool max7456BuffersSynced(void);
bool max7456LayerSupported(displayPortLayer_e layer);
bool max7456LayerSelect(displayPortLayer_e layer);
bool max7456LayerCopy(displayPortLayer_e destLayer, displayPortLayer_e sourceLayer);
bool max7456IsDeviceDetected(void);