Air724ugLora/testSpiFlash.lua

--- 模块功能：SPI接口的FLASH功能测试.
-- 读取FLASH ID
-- @author openLuat
-- @module spi.testSpiFlash
-- @license MIT
-- @copyright openLuat
-- @release 2018.03.27

module(...,package.seeall)

require"utils"
require"pm"
pm.wake("wake11")
require"pins"

local result = spi.setup(spi.SPI_1,0,0,8,800000,1)--初始化spi，
log.info("spi1",spi.SPI_1)
log.info("testSpiFlash.init",result)

sys.taskInit(function ()
    sys.wait(5000)
    while true do
        local command = string.fromHex("1D0740000000") 
        local ret = spi.send_recv(spi.SPI_1,command):toHex()
        log.info("testSpiFlash.readFlashID",ret)--收发读写  & string.fromHex("000000FFFFFF")
        local lastFourChars = string.sub(ret, -4)  -- 从倒数第四个字符到末尾
        log.info("提取结果", lastFourChars)  -- 输出: 1D0F
        
        sys.wait(2000)
    end
    spi.close(spi.SPI_1)
end)