Air724ugLora/drv_periph/sx126x_driver.lua

--- 模块功能：sx126x模块驱动
-- 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"
-- require "sx126x_reg"
require "Drv_spi"
require "sx126x_reg"

SX126xResetGPIO = pins.setup(pio.P0_13,0)

-- 初始化SPI
function SX126xIoInit()
    Drv_spi.SPI_GPIO_Init()
end

-- 复位SX126x
function SX126xReset()
    sys.wait(10) 
    SX126xResetGPIO(0)
    sys.wait(20)
    SX126xResetGPIO(1)
    sys.wait(10) 
end

-- 初始化SX126x
function SX126xInit()
    SX126xIoInit()
    SX126xReset()
end

function SX126xWakeup()
    Drv_spi.drv_spi_read_write_byte("C00000",2)
end

function SX126xWriteCommand(command ,buffer)
    Drv_spi.drv_spi_read_write_byte(command,0)
    sys.wait(20)
    drv_spi_read_write_byte(buffer);
    sys.wait(20)
end

function SX126xReadRegisters(address,size)
    local command = sx126x_reg.RadioCommands.RADIO_READ_REGISTER
    local sendData = command .. address .. "00"
    local receiverDataCount= size

    while size > 0 do
        sendData = sendData .. "00"
        size = size - 1
    end

    local result = Drv_spi.drv_spi_read_write_byte(sendData,receiverDataCount*2)  --这里乘2的意思是，16进制是两位，但是转成字符串的形式就是4位了。

    log.info("SX126xReadRegisters",result)
    return result
end

-- --测试案例1
-- sys.taskInit(function ()
--     sys.wait(3000)
--     -- SX126xInit()
--     sys.wait(3000)
--     i = 0
--     while true do
--         -- local ret = Drv_spi.drv_spi_read_write_byte("1D0740000000",4)

--         -- log.info("提取结果", ret)  -- 输出: 1D0F
--         log.info("计算结果", i%2)
--         if i%2 == 0 then
--             log.info("1")
--             SX126xResetGPIO(1)
--         else
--             log.info("0")
--             SX126xResetGPIO(0)
--         end
--         i = i + 1
--         sys.wait(3*1000)
--     end
--     spi.close(spi.SPI_1)
-- end)

-- --测试案例:获取 local sendData = sx126x_reg.RadioCommands[RADIO_READ_REGISTER]语法是否正确
-- sys.taskInit(function ()
--     sys.wait(3000)
--     log.info("计算结果", "测试1")
--     while true do
--         log.info("计算结果", sx126x_reg.RadioCommands.RADIO_READ_REGISTER)
--         log.info("计算结果", "测试")
--         sys.wait(3*1000)
--     end
-- end)

-- --测试案例:测试字符拼接
sys.taskInit(function ()
    sys.wait(3000)
    SX126xInit()
    sys.wait(3000)
    log.info("计算结果", "测试1")
    while true do
        log.info("计算结果", SX126xReadRegisters("0740",2))
        sys.wait(3*1000)
    end
end)