LuatOS/olddemo/lcd_custom/main.lua

--- 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(9000)--初始化watchdog设置为9s
    sys.timerLoopStart(wdt.feed, 3000)--3s喂一次狗
end

--[[
    ===============================================
    ===============================================
    ===============================================
    这个demo必须修改才能运行, 把注释看完 特别主要：2023.11.29之后要自定义方向命令，即 direction0 direction90 direction180 direction270,使用哪个方向给哪个就好
    ===============================================
    ===============================================
    ===============================================
]]

local rtos_bsp = rtos.bsp()

-- 根据不同的BSP返回不同的值
-- spi_id,pin_reset,pin_dc,pin_cs,bl
local function lcd_pin()
    if rtos_bsp == "AIR101" then
        return 0,pin.PB03,pin.PB01,pin.PB04,pin.PB00
    elseif rtos_bsp == "AIR103" then
        return 0,pin.PB03,pin.PB01,pin.PB04,pin.PB00
    elseif rtos_bsp == "AIR105" then
        return 5,pin.PC12,pin.PE08,pin.PC14,pin.PE09
    elseif rtos_bsp == "ESP32C3" then
        return 2,10,6,7,11
    elseif rtos_bsp == "ESP32S3" then
        return 2,16,15,14,13
    elseif rtos_bsp == "EC618" then
        return 0,1,10,8,22
    elseif string.find(rtos_bsp,"EC718") then
        return lcd.HWID_0,36,0xff,0xff,0xff -- 注意:EC718P有硬件lcd驱动接口, 无需使用spi,当然spi驱动也支持
    else
        log.info("main", "bsp not support")
        return
    end
end

local spi_id,pin_reset,pin_dc,pin_cs,bl = lcd_pin() 

if spi_id ~= lcd.HWID_0 then
    spi_lcd = spi.deviceSetup(spi_id,pin_cs,0,0,8,20*1000*1000,spi.MSB,1,0)
    port = "device"
else
    port = spi_id
end

--[[ 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 0x00010002 , 延时2ms
    0000/0002 cmd   发命令, 例如 0x0002004
    0003 data       发数据, 例如 0x0003004
]]

-- lcd.init("custom",{
--     port = port,
--     pin_dc = pin_dc, 
--     pin_pwr = bl,
--     pin_rst = pin_reset,
--     direction = 0,
--     direction0 = 0x08,
--     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 = port,
--     pin_dc = pin_dc, 
--     pin_pwr = bl,
--     pin_rst = pin_reset,
--     direction = 0,
--     direction0 = 0x00,
--     w = 240,
--     h = 320,
--     xoffset = 0,
--     yoffset = 0,
--     sleepcmd = 0x10,
--     wakecmd = 0x11,
--     initcmd = {--0001 delay  0002 cmd  0003 data
--         0x02003A,0x030005,
--         0x0200B2,0x03000C,0x03000C,0x030000,0x030033,0x030033,
--         0x0200B7,0x030035,
--         0x0200BB,0x030032,
--         0x0200C2,0x030001,
--         0x0200C3,0x030015,
--         0x0200C4,0x030020,
--         0x0200C6,0x03000F,
--         0x0200D0,0x0300A4,0x0300A1,
--         0x0200E0,0x0300D0,0x030008,0x03000E,0x030009,0x030009,0x030005,0x030031,0x030033,0x030048,0x030017,0x030014,0x030015,0x030031,0x030034,
--         0x0200E1,0x0300D0,0x030008,0x03000E,0x030009,0x030009,0x030015,0x030031,0x030033,0x030048,0x030017,0x030014,0x030015,0x030031,0x030034,
--         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!!!!!