2022-03-10 11:04:14 +03:00

69 lines
2.2 KiB
C

/*
* lcd.h
*
* Copyright 2016 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* 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 2 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __LCD_H__
#define __LCD_H__
#define TFTWIDTH 240
#define TFTHEIGHT 320
#define DWT_CYCCNT *(volatile uint32_t *)0xE0001004
#define DWT_CONTROL *(volatile uint32_t *)0xE0001000
#define SCB_DEMCR *(volatile uint32_t *)0xE000EDFC
// pause for 150ns
#define pause() do{SCB_DEMCR |= 0x01000000; DWT_CYCCNT = 0; DWT_CONTROL|= 1; \
while(DWT_CYCCNT < 3);}while(0)
//#define pause() do{}while(0)
uint16_t read_reg(uint16_t reg);
void write_reg(uint16_t reg, uint16_t dat);
/*
uint32_t read_reg_var(uint8_t reg, uint8_t len);
uint32_t read16_reg_var(uint16_t reg, uint8_t len);
#define write8_32(r,d) do{write_reg_var(r,d,4);}while(0)
#define write8_24(r,d) do{write_reg_var(r,d,3);}while(0)
#define write8_16(r,d) do{write_reg_var(r,d,2);}while(0)
#define write16_32(r,d) do{write_reg16_var(r,d,4);}while(0)
#define write16_24(r,d) do{write_reg16_var(r,d,3);}while(0)
//#define write16_16(r,d) do{write_reg16_var(r,d,2);}while(0)
void write16_16(uint16_t reg, uint16_t dat);
#define read8_32(x) (read_reg_var(x, 4))
#define read8_16(x) ((uint16_t)(read_reg_var(x, 2)))
#define read16_32(x) (read16_reg_var(x, 4))
#define read16_16(x) ((uint16_t)(read16_reg_var(x, 2)))
*/
uint16_t LCD_status_read();
uint16_t LCD_read_id();
void LCD_reset();
uint16_t LCD_init();
void putpoint(uint16_t colr);
void setpix(uint16_t x, uint16_t y, uint16_t colr);
#endif // __LCD_H__