146 lines
3.5 KiB
C
146 lines
3.5 KiB
C
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/**
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* @file oled.h
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* @author your name (you@domain.com)
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* @brief 待重构实现
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* @version 0.1
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* @date 2023-02-14
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* @todo 请重构show string/init/clean/update buffer等的实现
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*
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* @copyright Copyright (c) 2023
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*
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*/
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#ifndef OLED_H
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#define OLED_H
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#include <stdint.h>
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// the I2C address of oled
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#define OLED_I2C_ADDRESS 0x78
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// the resolution of oled 128*64
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#define MAX_COLUMN 128
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#define MAX_ROW 64
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#define X_WIDTH MAX_COLUMN
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#define Y_WIDTH MAX_ROW
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#define OLED_CMD 0x00
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#define OLED_DATA 0x01
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#define CHAR_SIZE_WIDTH 6
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#define CHAR_SIZE_HIGHT 12
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typedef enum
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{
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PEN_CLEAR = 0x00,
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PEN_WRITE = 0x01,
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PEN_INVERSION = 0x02,
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} pen_typedef;
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/**
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* @brief 初始化OLED模块，
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* @param[in] none
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* @retval none
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*/
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extern void OLED_init(void);
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/**
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* @brief 打开OLED显示
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* @param[in] none
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* @retval none
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*/
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extern void OLED_display_on(void);
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/**
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* @brief 关闭OLED显示
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* @param[in] none
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* @retval none
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*/
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extern void OLED_display_off(void);
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/**
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* @brief 操作GRAM内存(128*8char数组)
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* @param[in] pen: 操作类型.
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PEN_CLEAR: 设置为0x00
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PEN_WRITE: 设置为0xff
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PEN_INVERSION: 按位取反
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* @retval none
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*/
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extern void OLED_operate_gram(pen_typedef pen);
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/**
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* @brief 设置光标起点(x,y)
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* @param[in] x:x轴, 从 0 到 127
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* @param[in] y:y轴, 从 0 到 7
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* @retval none
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*/
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extern void OLED_set_pos(uint8_t x, uint8_t y);
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/**
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* @brief 操作GRAM中的一个位，相当于操作屏幕的一个点
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* @param[in] x:x轴, [0,X_WIDTH-1]
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* @param[in] y:y轴, [0,Y_WIDTH-1]
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* @param[in] pen: 操作类型,
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PEN_CLEAR: 设置 (x,y) 点为 0
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PEN_WRITE: 设置 (x,y) 点为 1
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PEN_INVERSION: (x,y) 值反转
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* @retval none
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*/
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extern void OLED_draw_point(int8_t x, int8_t y, pen_typedef pen);
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/**
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* @brief 画一条直线，从(x1,y1)到(x2,y2)
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* @param[in] x1: 起点
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* @param[in] y1: 起点
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* @param[in] x2: 终点
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* @param[in] y2: 终点
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* @param[in] pen: 操作类型,PEN_CLEAR,PEN_WRITE,PEN_INVERSION.
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* @retval none
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*/
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extern void OLED_draw_line(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2, pen_typedef pen);
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/**
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* @brief 显示一个字符
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* @param[in] row: 字符的开始行
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* @param[in] col: 字符的开始列
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* @param[in] chr: 字符
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* @retval none
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*/
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extern void OLED_show_char(uint8_t row, uint8_t col, uint8_t chr);
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/**
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* @brief 显示一个字符串
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* @param[in] row: 字符串的开始行
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* @param[in] col: 字符串的开始列
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* @param[in] chr: 字符串
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* @retval none
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*/
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extern void OLED_show_string(uint8_t row, uint8_t col, uint8_t *chr);
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/**
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* @brief 格式输出
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* @param[in] row: 开始列，0 <= row <= 4;
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* @param[in] col: 开始行， 0 <= col <= 20;
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* @param[in] *fmt:格式化输出字符串
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* @note 如果字符串长度大于一行，额外的字符会换行
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* @retval none
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*/
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extern void OLED_printf(uint8_t row, uint8_t col, const char *fmt, ...);
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/**
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* @brief 发送数据到OLED的GRAM
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* @param[in] none
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* @retval none
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*/
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extern void OLED_refresh_gram(void);
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/**
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* @brief 显示RM的LOGO
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* @param[in] none
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* @retval none
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*/
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extern void OLED_LOGO(void);
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#endif
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