已完成发送

drv_periph/sx126x_driver.lua

@@ -19,6 +19,9 @@ require "sx126x_reg"
 local SX126x = json.encode(sx126x_reg.SX126x_t)
 local SX126xCopy,result,errinfo = json.decode(SX126x)
 SX126x = nil
+local ImageCalibrated = false
+
+local FREQ_STEP = 0.95367431640625
 
 local RadioPublicNetwork_t = {
     Previous = false,
@@ -291,8 +294,43 @@ function RadioSetTxConfig(modem,power,fdev,bandwidth,datarate,coderate,preambleL
     SX126xSetTxParams(power,sx126x_reg.RadioRampTimes_t.RADIO_RAMP_40_US)
 end
 
+function SX126xCalibrateImage(freq)
+    local calFreq = {}
+
+    if freq > 900000000 then
+        calFreq = {"E1", "E9"}
+    elseif freq > 850000000 then
+        calFreq = {"D7", "D8"}
+    elseif freq > 770000000 then
+        calFreq = {"C1", "C5"}
+    elseif freq > 460000000 then
+        calFreq = {"75", "81"}
+    elseif freq > 425000000 then
+        calFreq = {"6B", "6F"}
+    elseif freq >= 210000000 then
+        calFreq = {"37", "41"}
+    end
+
+    SX126xWriteCommand(sx126x_reg.RadioCommands.RADIO_CALIBRATEIMAGE, calFreq)
+end
+
+
 function SX126xSetRfFrequency(frequency)
-     SX126xWriteCommand( sx126x_reg.RadioCommands.RADIO_SET_RFFREQUENCY, {frequency});
+    
+    local buf = {}
+    local freq = 0
+
+    if ImageCalibrated == false then
+        SX126xCalibrateImage(frequency)
+        ImageCalibrated = true
+    end
+    -- local FREQ_STEP = 0.95367431640625
+
+    freq = frequency / FREQ_STEP
+    
+    log.info("freq", freq)
+    log.info("freq", string.format("%02X", freq))
+    SX126xWriteCommand( sx126x_reg.RadioCommands.RADIO_SET_RFFREQUENCY, {string.format("%02X", freq)});
 end
 
 function RadioSetChannel(frequency) 
@@ -351,7 +389,7 @@ function SX126xInit()
     RadioSetTxConfig(sx126x_reg.RadioModems_t.MODEM_LORA,"16",0,1,7,"01","0c","00","01","00","00","00",3000)
 
     log.info("RadioSetTxConfig",string.format("%02X", 433000000))
-    RadioSetChannel(string.format("%02X", 433000000)) 
+    RadioSetChannel(433000000) 
 end
 
 sys.taskInit(function ()
@@ -378,10 +416,14 @@ sys.taskInit(function ()
         -- log.info("计算结果0741寄存器", SX126xReadRegister("0741"))
         -- SX126xWriteCommand("1d",{"07400000"})
     
-        sys.wait(20)
+        -- sys.wait(20)
         log.info("计算结果")
-        RadioSend("A9","01","00")
-        SX126xReadCommand(sx126x_reg.RadioCommands.RADIO_GET_STATUS,1)
+        -- SX126xSetStandby(sx126x_reg.RadioStandbyModes_t.STDBY_RC)
+        -- SX126xReadCommand(sx126x_reg.RadioCommands.RADIO_GET_STATUS,1)
+        -- sys.wait(20)
+        RadioSend("A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5","1e","00")
+        -- sys.wait(20)
+        -- SX126xReadCommand(sx126x_reg.RadioCommands.RADIO_GET_STATUS,1)
         -- SX126xWakeup()
         sys.wait(1000)
     end