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drv_periph/Drv_spi.lua

@@ -33,7 +33,11 @@ end
 function drv_spi_read_write_byte(txDat,size)
     local ret = spi.send_recv(spi.SPI_1,string.fromHex(txDat)):toHex()
     log.info("spi_read_write_byte",ret)
-    return string.sub(ret, -size)  -- 从倒数第四个字符到末尾
+    if size == nil or size = 0 then
+        return 0
+    else
+        return string.sub(ret, -size)
+    end
 end
 
 

drv_periph/sx126x_driver.lua

@@ -17,6 +17,7 @@ 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()
@@ -32,20 +33,21 @@ function SX126xReset()
     sys.wait(10) 
 end
 
--- 初始化SX126x
-function SX126xInit()
-    SX126xIoInit()
-    SX126xReset()
-end
-
 function SX126xWakeup()
-    Drv_spi.drv_spi_read_write_byte("C00000",2)
+    local command = sx126x_reg.RadioCommands.RADIO_GET_STATUS .. "00"
+    local ret = Drv_spi.drv_spi_read_write_byte(command)
+    log.info("SX126xWakeup",ret)
 end
 
-function SX126xWriteCommand(command ,buffer)
+--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_read_write_byte(buffer);
+    drv_spi_read_write_byte(bufferTotal,0);
     sys.wait(20)
 end
 
@@ -65,6 +67,32 @@ function SX126xReadRegisters(address,size)
     return result
 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
+
+
+-- 初始化SX126x
+function SX126xInit()
+    SX126xIoInit()
+    SX126xReset()
+    SX126xWakeup()
+    local test = {sx126x_reg.RadioStandbyModes_t.STDBY_RC}
+    SX126xSetStandby(test)
+end
+
+
 -- --测试案例1
 -- sys.taskInit(function ()
 --     sys.wait(3000)
@@ -101,13 +129,31 @@ 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)
-    SX126xInit()
+    SX126xWriteCommand(sx126x_reg.RadioCommands.RADIO_READ_REGISTER,numbers)
     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)
+end)
+

drv_periph/sx126x_reg.lua

@@ -8,6 +8,23 @@ module(...,package.seeall)
 ]]
 REG_LR_SYNCWORD = "0740"
 
+RadioStandbyModes_t = {
+    STDBY_RC = "00",
+    STDBY_XOSC = "01",
+}
+
+
+RadioOperatingModes_t = { 
+    MODE_SLEEP = "00",
+    MODE_STDBY_RC = "01",
+    MODE_STDBY_XOSC = "02",
+    MODE_FS = "03",
+    MODE_TX = "04",
+    MODE_RX = "05",
+    MODE_RX_DC = "06",
+    MODE_CAD = "07"
+}
+
 -- 定义Radio命令枚举（字符串格式，用于直接通信）
 --[[
     Represents all possible opcode understood by the radio