83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/* Copyright 2018 Canaan Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _LCD_H_
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#define _LCD_H_
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#include <stdint.h>
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/* clang-format off */
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#define LCD_X_MAX (320)
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#define LCD_Y_MAX (480)
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#define BLACK 0x0000
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#define NAVY 0x000F
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#define DARKGREEN 0x03E0
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#define DARKCYAN 0x03EF
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#define MAROON 0x7800
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#define PURPLE 0x780F
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#define OLIVE 0x7BE0
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#define LIGHTGREY 0xC618
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#define DARKGREY 0x7BEF
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#define BLUE 0x001F
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#define GREEN 0x07E0
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#define CYAN 0x07FF
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#define RED 0xF800
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#define MAGENTA 0xF81F
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#define YELLOW 0xFFE0
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#define WHITE 0xFFFF
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#define ORANGE 0xFD20
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#define GREENYELLOW 0xAFE5
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#define PINK 0xF81F
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#define USER_COLOR 0xAA55
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/* clang-format on */
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enum lcd_dir_t
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{
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DIR_XY_RLUD = 0x00,
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DIR_YX_RLUD = 0x20,
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DIR_XY_LRUD = 0x40,
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DIR_YX_LRUD = 0x60,
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DIR_XY_RLDU = 0x80,
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DIR_YX_RLDU = 0xA0,
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DIR_XY_LRDU = 0xC0,
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DIR_YX_LRDU = 0xE0,
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DIR_XY_MASK = 0x20,
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DIR_MASK = 0xE0,
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};
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typedef struct
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{
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uint8_t mode;
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uint8_t dir;
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uint16_t width;
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uint16_t height;
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} lcd_ctl_t;
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int lcd_busy(void);
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void lcd_polling_enable(void);
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void lcd_interrupt_enable(void);
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void lcd_init(void);
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void lcd_clear(uint16_t color);
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void lcd_set_direction(enum lcd_dir_t dir);
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void lcd_set_area(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
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void lcd_draw_point(uint16_t x, uint16_t y, uint16_t color);
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void lcd_draw_string(uint16_t x, uint16_t y, char *str, uint16_t color);
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void lcd_draw_picture(uint16_t x1, uint16_t y1, uint16_t width, uint16_t height, uint32_t *ptr);
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void lcd_draw_rectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t width, uint16_t color);
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void lcd_ram_draw_string(char *str, uint32_t *ptr, uint16_t font_color, uint16_t bg_color);
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#endif
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