add: 780的u8g2

demo/u8g2/Air780E/main.lua

@@ -0,0 +1,117 @@
+--- 模块功能：u8g2demo
+-- @module u8g2
+-- @author Dozingfiretruck
+-- @release 2021.01.25
+
+-- LuaTools需要PROJECT和VERSION这两个信息
+PROJECT = "u8g2demo"
+VERSION = "1.0.1"
+
+log.info("main", PROJECT, VERSION)
+
+-- sys库是标配
+_G.sys = require("sys")
+
+--[[
+I2C0
+]]
+
+--添加硬狗防止程序卡死
+if wdt then
+    wdt.init(9000)--初始化watchdog设置为9s
+    sys.timerLoopStart(wdt.feed, 3000)--3s喂一次狗
+end
+
+-- 日志TAG, 非必须
+local TAG = "main"
+
+-- 初始化显示屏
+log.info(TAG, "init ssd1306")
+
+-- 初始化硬件i2c的ssd1306
+u8g2.begin({ic = "ssd1306",direction = 0,mode="i2c_hw",i2c_id=0,i2c_speed = i2c.FAST}) -- direction 可选0 90 180 270
+-- 初始化软件i2c的ssd1306
+-- u8g2.begin({ic = "ssd1306",direction = 0,mode="i2c_sw", i2c_scl=1, i2c_sda=4}) -- 通过PA1 SCL / PA4 SDA模拟
+
+u8g2.SetFontMode(1)
+u8g2.ClearBuffer()
+u8g2.SetFont(u8g2.font_opposansm8)
+u8g2.DrawUTF8("U8g2+LuatOS", 32, 22)
+
+if u8g2.font_opposansm12_chinese then
+    u8g2.SetFont(u8g2.font_opposansm12_chinese)
+else
+    u8g2.SetFont(u8g2.font_opposansm10_chinese)
+end
+u8g2.SetFont(u8g2.font_opposansm12_chinese)
+u8g2.DrawUTF8("中文测试", 40, 38) -- 若中文不显示或乱码,代表所刷固件不带这个字号的字体数据, 可自行云编译一份. wiki.luatos.com 有文档.
+u8g2.SendBuffer()
+
+--主流程
+sys.taskInit(function()
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.DrawUTF8("屏幕宽度", 0, 24)
+    u8g2.DrawUTF8("屏幕高度", 0, 42)
+    u8g2.DrawUTF8(":"..u8g2.GetDisplayWidth(), 80, 24)
+    u8g2.DrawUTF8(":"..u8g2.GetDisplayHeight(), 80, 42)
+    u8g2.SendBuffer()
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.DrawUTF8("画线测试：", 30, 24)
+    for i = 0, 128, 8 do
+        u8g2.DrawLine(0,40,i,40)
+        u8g2.DrawLine(0,60,i,60)
+        u8g2.SendBuffer()
+        sys.wait(100)
+    end
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.DrawUTF8("画圆测试：", 30, 24)
+    u8g2.DrawCircle(30,50,10,15)
+    u8g2.DrawDisc(90,50,10,15)
+    u8g2.SendBuffer()
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.DrawUTF8("椭圆测试：", 30, 24)
+    u8g2.DrawEllipse(30,50,6,10,15)
+    u8g2.DrawFilledEllipse(90,50,6,10,15)
+    u8g2.SendBuffer()
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.DrawUTF8("方框测试：", 30, 24)
+    u8g2.DrawBox(30,40,30,24)
+    u8g2.DrawFrame(90,40,30,24)
+    u8g2.SendBuffer()
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.DrawUTF8("圆角方框：", 30, 24)
+    u8g2.DrawRBox(30,40,30,24,8)
+    u8g2.DrawRFrame(90,40,30,24,8)
+    u8g2.SendBuffer()
+
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.DrawUTF8("三角测试：", 30, 24)
+    u8g2.DrawTriangle(30,60, 60,30, 90,60)
+    u8g2.SendBuffer()
+
+
+    -- qrcode测试
+    sys.wait(1000)
+    u8g2.ClearBuffer()
+    u8g2.DrawDrcode(4, 4, "https://wiki.luatos.com/chips/air101/mcu.html", 10);
+
+    u8g2.SendBuffer()
+
+    --sys.wait(1000)
+    log.info("main", "u8g2 demo done")
+end)
+
+-- 主循环, 必须加
+sys.run()