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)
OperatingMode = sx126x_reg.RadioStandbyModes_t.STDBY_RC

-- 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

function SX126xWakeup()
    local command = sx126x_reg.RadioCommands.RADIO_GET_STATUS .. "00"
    local ret = Drv_spi.drv_spi_read_write_byte(command)
    log.info("SX126xWakeup",ret)
end

--local numbers = {10, 20, 30, 40}  -- Indices: 1→10, 2→20, 3→30, 4→40
function SX126xWriteCommand(command,buffer)
    local bufferTotal = ""
    for i, num in ipairs(buffer) do
        bufferTotal = bufferTotal .. num
    end
    Drv_spi.drv_spi_read_write_byte(command,0)
    sys.wait(20)
    Drv_spi.drv_spi_read_write_byte(bufferTotal,0);
    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


function SX126xWriteRegisters(address,buffer,size)
    if address == nil or buffer == nil or size == nil then
        log.error("SX126xWriteRegisters","参数错误")
        return
    end
    local command = sx126x_reg.RadioCommands.RADIO_WRITE_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

function SX126xWriteRegister(address,value)
    SX126xWriteRegisters( address,value,1);
end

-- function SX126xReadRegisters(address,size)
--     SX126xWriteCommand(sx126x_reg.RadioCommands.RADIO_SET_STANDBY)
-- end 

function SX126xSetStandby(standbyConfig)
    SX126xWriteCommand(sx126x_reg.RadioCommands.RADIO_SET_STANDBY,standbyConfig)

    if standbyConfig[0] == sx126x_reg.RadioStandbyModes_t.STDBY_RC then
        OperatingMode = sx126x_reg.RadioOperatingModes_t.STDBY_RC
    else
        OperatingMode = sx126x_reg.RadioOperatingModes_t.STDBY_XOSC
    end
end

function SX126xSetRegulatorMode(mode)
    SX126xWriteCommand(sx126x_reg.RadioCommands.RADIO_SET_REGULATORMODE,mode)
end

function SX126xSetBufferBaseAddress(txBaseAddress, rxBaseAddress)
    local buf = {txBaseAddress,rxBaseAddress}
    SX126xWriteCommand(sx126x_reg.RadioCommands.RADIO_SET_BUFFERBASEADDRESS,buf)
end

function SX126xSetPaConfig(paDutyCycle,hpMax,deviceSel,paLut)
    local buf = {paDutyCycle,hpMax,deviceSel,paLut}
    -- log.info("SX126xSetPaConfig",buf)
    SX126xWriteCommand(sx126x_reg.RadioCommands.RADIO_SET_PACONFIG,buf)
end

function SX126xSetTxParams(power, rampTime)
    local buf = {power,rampTime}
    SX126xSetPaConfig("04","07","00","01")
    SX126xWriteRegister( sx126x_reg.REG_OCP, "38" ); 
    SX126xWriteCommand(sx126x_reg.RadioCommands.RADIO_SET_TXPARAMS,buf)

end

function SX126xSetDioIrqParams(timeout, freq, rfChain, power, preambleLen)
    local buf = {timeout, freq, rfChain, power, preambleLen}
    SX126xSetTxParams(power, sx126x_reg.RadioRampTimes_t.RADIO_RAMP_40_US)
    SX126xWriteCommand(sx126x_reg.RadioCommands.RADIO_SET_TX,buf)
end

function RadioStandby()

end

-- 初始化SX126x
function SX126xInit()
    SX126xIoInit()
    SX126xReset()
    SX126xWakeup()
    local table = {sx126x_reg.RadioStandbyModes_t.STDBY_RC}
    SX126xSetStandby(table)
    local table1 = {sx126x_reg.RadioStandbyModes_t.USE_DCDC}
    SX126xSetRegulatorMode(table1)
    SX126xSetBufferBaseAddress("00","00")
    SX126xSetTxParams( 0, RADIO_RAMP_200_US )
    SX126xSetDioIrqParams( IRQ_RADIO_ALL, IRQ_RADIO_ALL, IRQ_RADIO_NONE, IRQ_RADIO_NONE )

    local table2 = {sx126x_reg.RadioStandbyModes_t.STDBY_RC}
    SX126xSetStandby(table2)
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)


--测试案例:测试初始化
sys.taskInit(function ()
    sys.wait(3000)
    SX126xInit()
    sys.wait(3000)
    log.info("计算结果", "测试1")
end)

-- --测试案例:拼接buffer
-- sys.taskInit(function ()
--     sys.wait(3000)
--     SX126xWriteCommand(sx126x_reg.RadioCommands.RADIO_READ_REGISTER,numbers)
--     sys.wait(3000)
--     log.info("计算结果", "测试1")
-- end)