mirror of
https://github.com/eddyem/stm32samples.git
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69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/*
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* lcd.h
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*
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* Copyright 2016 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
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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 2 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#pragma once
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#ifndef __LCD_H__
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#define __LCD_H__
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#define TFTWIDTH 240
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#define TFTHEIGHT 320
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#define DWT_CYCCNT *(volatile uint32_t *)0xE0001004
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#define DWT_CONTROL *(volatile uint32_t *)0xE0001000
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#define SCB_DEMCR *(volatile uint32_t *)0xE000EDFC
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// pause for 150ns
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#define pause() do{SCB_DEMCR |= 0x01000000; DWT_CYCCNT = 0; DWT_CONTROL|= 1; \
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while(DWT_CYCCNT < 3);}while(0)
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//#define pause() do{}while(0)
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uint16_t read_reg(uint16_t reg);
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void write_reg(uint16_t reg, uint16_t dat);
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/*
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uint32_t read_reg_var(uint8_t reg, uint8_t len);
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uint32_t read16_reg_var(uint16_t reg, uint8_t len);
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#define write8_32(r,d) do{write_reg_var(r,d,4);}while(0)
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#define write8_24(r,d) do{write_reg_var(r,d,3);}while(0)
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#define write8_16(r,d) do{write_reg_var(r,d,2);}while(0)
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#define write16_32(r,d) do{write_reg16_var(r,d,4);}while(0)
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#define write16_24(r,d) do{write_reg16_var(r,d,3);}while(0)
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//#define write16_16(r,d) do{write_reg16_var(r,d,2);}while(0)
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void write16_16(uint16_t reg, uint16_t dat);
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#define read8_32(x) (read_reg_var(x, 4))
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#define read8_16(x) ((uint16_t)(read_reg_var(x, 2)))
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#define read16_32(x) (read16_reg_var(x, 4))
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#define read16_16(x) ((uint16_t)(read16_reg_var(x, 2)))
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*/
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uint16_t LCD_status_read();
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uint16_t LCD_read_id();
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void LCD_reset();
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uint16_t LCD_init();
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void putpoint(uint16_t colr);
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void setpix(uint16_t x, uint16_t y, uint16_t colr);
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#endif // __LCD_H__
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