--- 模块功能:lcddemo -- @module lcd -- @author Dozingfiretruck -- @release 2021.01.25 -- LuaTools需要PROJECT和VERSION这两个信息 PROJECT = "lcddemo" VERSION = "1.0.0" log.info("main", PROJECT, VERSION) -- sys库是标配 _G.sys = require("sys") --添加硬狗防止程序卡死 if wdt then wdt.init(15000)--初始化watchdog设置为15s sys.timerLoopStart(wdt.feed, 10000)--10s喂一次狗 end --[[ =============================================== =============================================== =============================================== 这个demo必须修改才能运行, 把注释看完 =============================================== =============================================== =============================================== ]] -- 按实际情况修改, spi的id, cs脚, 波特率, 都要按实际情况改 spi_lcd = spi.deviceSetup(5,pin.PC14,0,0,8,48*1000*1000,spi.MSB,1,1) --[[ 下面为custom方式示例,自己传入lcd指令来实现驱动,示例以st7735s做展示 ]] -- [[ 注意修改下面的pin_xx对应的gpio信息, 数值与pin.XXX 均可]] -- initcmd的含义, 分3种指令, 每个指令都是int32, 前2个字节是命令, 后2个字节是值 -- 0001 delay 延时, 例如 00010002 , 延时2ms -- 0002 cmd 发命令, 例如 0002004, dc设置为CMD模式, SPI发送 0x04 -- 0003 data 发数据, 例如 0003004, dc设置为DATA模式, SPI发送 0x04 -- lcd.init("custom",{ -- port = "device", -- pin_dc = pin.PB01, -- pin_pwr = pin.PB00, -- pin_rst = pin.PB03, -- direction = 0, -- w = 128, -- h = 160, -- xoffset = 2, -- yoffset = 1, -- sleepcmd = 0x10, -- wakecmd = 0x11, -- initcmd = { -- 0x00020011,0x00010078,0x00020021, -- 反显 -- 0x000200B1,0x00030002,0x00030035, -- 0x00030036,0x000200B2,0x00030002, -- 0x00030035,0x00030036,0x000200B3, -- 0x00030002,0x00030035,0x00030036, -- 0x00030002,0x00030035,0x00030036, -- 0x000200B4,0x00030007,0x000200C0, -- 0x000300A2,0x00030002,0x00030084, -- 0x000200C1,0x000300C5,0x000200C2, -- 0x0003000A,0x00030000,0x000200C3, -- 0x0003008A,0x0003002A,0x000200C4, -- 0x0003008A,0x000300EE,0x000200C5, -- 0x0003000E,0x00020036,0x000300C0, -- 0x000200E0,0x00030012,0x0003001C, -- 0x00030010,0x00030018,0x00030033, -- 0x0003002C,0x00030025,0x00030028, -- 0x00030028,0x00030027,0x0003002F, -- 0x0003003C,0x00030000,0x00030003, -- 0x00030003,0x00030010,0x000200E1, -- 0x00030012,0x0003001C,0x00030010, -- 0x00030018,0x0003002D,0x00030028, -- 0x00030023,0x00030028,0x00030028, -- 0x00030026,0x0003002F,0x0003003B, -- 0x00030000,0x00030003,0x00030003, -- 0x00030010,0x0002003A,0x00030005, -- 0x00020029, -- }, -- }, -- spi_lcd) --[[ 下面为custom方式示例,自己传入lcd指令来实现驱动,示例以st7789做展示 ]] -- lcd.init("custom",{ -- port = "device", -- pin_dc = pin.PB01, -- pin_pwr = pin.PB00, -- pin_rst = pin.PB03, -- direction = 0, -- w = 240, -- h = 320, -- xoffset = 0, -- yoffset = 0, -- sleepcmd = 0x10, -- wakecmd = 0x11, -- initcmd = {--0001 delay 0002 cmd 0003 data -- 0x00020036, 0x00030000, 0x0002003A, 0x00030005, 0x000200B2, -- 0x0003000C, 0x0003000C, 0x00030000, 0x00030033, 0x00030033, -- 0x000200B7, 0x00030035, 0x000200BB, 0x00030032, -- 0x000200C2, 0x00030001, 0x000200C3, 0x00030015, -- 0x000200C4, 0x00030020, 0x000200C6, 0x0003000F, 0x000200D0, -- 0x000300A4, 0x000300A1, 0x000200E0, 0x000300D0, 0x00030008, -- 0x0003000E, 0x00030009, 0x00030009, 0x00030005, 0x00030031, -- 0x00030033, 0x00030048, 0x00030017, 0x00030014, 0x00030015, -- 0x00030031, 0x00030034, 0x000200E1, 0x000300D0, 0x00030008, -- 0x0003000E, 0x00030009, 0x00030009, 0x00030015, 0x00030031, -- 0x00030033, 0x00030048, 0x00030017, 0x00030014, 0x00030015, -- 0x00030031, 0x00030034, -- 0x00020021, -- 如果发现屏幕反色,注释掉此行 -- }, -- }, -- spi_lcd) sys.taskInit(function() sys.wait(500) log.info("lcd.drawLine", lcd.drawLine(20, 20, 150, 20, 0x001F)) log.info("lcd.drawRectangle", lcd.drawRectangle(20, 40, 120, 70, 0xF800)) log.info("lcd.drawCircle", lcd.drawCircle(50, 50, 20, 0x0CE0)) end) -- 用户代码已结束--------------------------------------------- -- 结尾总是这一句 sys.run() -- sys.run()之后后面不要加任何语句!!!!!