ocrobot:alpha:1602:tutorial04
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zh:ocrobot:alpha:1602:tutorial04 [2016/06/14 07:05] – nzhu | ocrobot:alpha:1602:tutorial04 [2023/06/07 04:23] (当前版本) – 外部编辑 127.0.0.1 | ||
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+ | ====== 特殊字符的显示====== | ||
+ | |||
+ | <WRAP left round info 60%> | ||
+ | 这个例程显示了如何在OCROBOT ALPHA 1602 LCD显示屏上显示特殊字符。 | ||
+ | </ | ||
+ | |||
+ | |||
+ | |||
+ | ==== 硬件 ==== | ||
+ | * [[ocrobot: | ||
+ | * [[ocrobot: | ||
+ | * [[ocrobot: | ||
+ | |||
+ | ==== 搭建电路 ==== | ||
+ | |||
+ | - ALPHA 1602 LCD模块插入并行扩展版1号槽位。 | ||
+ | - ALPHA MEGA328-U模块插入并行扩展板2号槽位。 | ||
+ | - USB线连接计算机与ALPHA MEGA328-U。 | ||
+ | {{: | ||
+ | ==== 代码 ==== | ||
+ | <code cpp> | ||
+ | |||
+ | #include < | ||
+ | #include < | ||
+ | LiquidCrystal_I2C lcd(0x20, | ||
+ | |||
+ | //: | ||
+ | byte heart[8] = { | ||
+ | 0b00000, | ||
+ | 0b01010, | ||
+ | 0b11111, | ||
+ | 0b11111, | ||
+ | 0b11111, | ||
+ | 0b01110, | ||
+ | 0b00100, | ||
+ | 0b00000 | ||
+ | }; | ||
+ | |||
+ | byte smiley[8] = { | ||
+ | 0b00000, | ||
+ | 0b00000, | ||
+ | 0b01010, | ||
+ | 0b00000, | ||
+ | 0b00000, | ||
+ | 0b10001, | ||
+ | 0b01110, | ||
+ | 0b00000 | ||
+ | }; | ||
+ | |||
+ | byte frownie[8] = { | ||
+ | 0b00000, | ||
+ | 0b00000, | ||
+ | 0b01010, | ||
+ | 0b00000, | ||
+ | 0b00000, | ||
+ | 0b00000, | ||
+ | 0b01110, | ||
+ | 0b10001 | ||
+ | }; | ||
+ | |||
+ | byte armsDown[8] = { | ||
+ | 0b00100, | ||
+ | 0b01010, | ||
+ | 0b00100, | ||
+ | 0b00100, | ||
+ | 0b01110, | ||
+ | 0b10101, | ||
+ | 0b00100, | ||
+ | 0b01010 | ||
+ | }; | ||
+ | |||
+ | byte armsUp[8] = { | ||
+ | 0b00100, | ||
+ | 0b01010, | ||
+ | 0b00100, | ||
+ | 0b10101, | ||
+ | 0b01110, | ||
+ | 0b00100, | ||
+ | 0b00100, | ||
+ | 0b01010 | ||
+ | }; | ||
+ | |||
+ | void setup() { | ||
+ | | ||
+ | | ||
+ | // 显示特殊符 | ||
+ | lcd.createChar(0, | ||
+ | lcd.createChar(1, | ||
+ | lcd.createChar(2, | ||
+ | lcd.createChar(3, | ||
+ | lcd.createChar(4, | ||
+ | lcd.setCursor(1, | ||
+ | lcd.print(" | ||
+ | lcd.write(byte(0)); | ||
+ | lcd.print(" | ||
+ | lcd.write((byte) 1); | ||
+ | |||
+ | } | ||
+ | |||
+ | void loop() { | ||
+ | lcd.setCursor(4, | ||
+ | // 显示小人: | ||
+ | lcd.write(3); | ||
+ | delay(500); | ||
+ | lcd.setCursor(4, | ||
+ | // | ||
+ | lcd.write(4); | ||
+ | delay(500); | ||
+ | } | ||
+ | </ | ||
+ | |||
+ | |||
+ | [[ocrobot: | ||
ocrobot/alpha/1602/tutorial04.txt · 最后更改: 2023/06/07 04:23 由 127.0.0.1