Semtech
SX1276 Tx Continuous Wave Demo Application
SX1276 Tx Continuous Wave Demo Application
This application is used for test purposes by outputting a continuous wave, at maximum power, at a given frequency.
Revision 0:d5e61ad8edd9, committed 2014-08-19
- Comitter:
- GregCr
- Date:
- Tue Aug 19 08:50:29 2014 +0000
- Child:
- 1:edbca7c3fbad
- Commit message:
- first attempt
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SX1276Lib.lib Tue Aug 19 08:50:29 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/GregCr/code/SX1276Lib/#5eb3066446dd
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Aug 19 08:50:29 2014 +0000
@@ -0,0 +1,192 @@
+/*
+ / _____) _ | |
+( (____ _____ ____ _| |_ _____ ____| |__
+ \____ \| ___ | (_ _) ___ |/ ___) _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+ ( C )2014 Semtech
+
+Description: Tx Continuous Wave implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainers: Miguel Luis, Gregory Cristian and Nicolas Huguenin
+*/
+#include "mbed.h"
+#include "sx1276-hal.h"
+
+#define TEST_HF_OUTPUT 1
+#define TEST_LF_OUTPUT = !TEST_HF_OUTPUT
+
+#define LORA_BANDWIDTH 0 // [0: 125 kHz,
+ // 1: 250 kHz,
+ // 2: 500 kHz,
+ // 3: Reserved]
+#define LORA_SPREADING_FACTOR 9 // [SF7..SF12]
+#define LORA_CODINGRATE 1 // [1: 4/5,
+ // 2: 4/6,
+ // 3: 4/7,
+ // 4: 4/8]
+#define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx
+#define LORA_FIX_LENGTH_PAYLOAD_ON false
+#define LORA_IQ_INVERSION_ON false
+
+SX1276MB1xAS Radio( NULL, NULL, NULL, NULL, NULL );
+
+#if USE_LEDS
+ DigitalOut Led1( LED1 );
+ DigitalOut Led2( LED2 );
+ DigitalOut Led3( LED3 );
+#else
+ bool Led1 = 0;
+ bool Led2 = 0;
+ bool Led3 = 0;
+#endif
+
+static Timeout LedTimer;
+volatile bool Led1TimerEvent = false;
+volatile bool Led2TimerEvent = false;
+volatile bool Led3TimerEvent = false;
+
+/*!
+ * \brief Function executed on Led 1 Timeout event
+ */
+void OnLed1TimerEvent( void )
+{
+ Led1TimerEvent = true;
+}
+
+/*!
+ * \brief Function executed on Led 2 Timeout event
+ */
+void OnLed2TimerEvent( void )
+{
+ Led2TimerEvent = true;
+}
+
+/*!
+ * \brief Function executed on Led 3 Timeout event
+ */
+void OnLed3TimerEvent( void )
+{
+ Led3TimerEvent = true;
+}
+
+void PrintLeds( )
+{
+ #if !USE_LEDS
+ char charLed1 = ( Led1 == true ) ? '0' : 'x';
+ char charLed2 = ( Led2 == true ) ? '0' : 'x';
+ char charLed3 = ( Led3 == true ) ? '0' : 'x';
+ debug( "%c%c%c\r\n", charLed1, charLed2, charLed3 );
+ #endif
+}
+
+/**
+ * Main application entry point.
+ */
+int main( void )
+{
+ uint8_t TxOuputPower = 0;
+
+ /**********************************************/
+ /* WARNING */
+ /* The below settings can damage the chipset */
+ /* if wrongly used. DO NOT CHANGE THE VALUES! */
+ /* */
+ /**********************************************/
+
+#if TEST_HF_OUTPUT == 1
+
+ if( Radio.DetectBoardType( ) == SX1276MB1LAS ) //
+ {
+ Radio.SetChannel( 915000000 );
+ TxOuputPower = 14;
+ Radio.Write( 0x01, 0x88 );
+ Radio.Write( 0x3D, 0xA1 );
+ Radio.Write( 0x36, 0x01 );
+ Radio.Write( 0x1e, 0x08 );
+ }
+ else
+ { // SX1276MB1MAS
+ Radio.SetChannel( 868000000 );
+ TxOuputPower = 20;
+ Radio.Write( 0x01, 0x80 );
+ Radio.Write( 0x44, 0x7B );
+ Radio.Write( 0x3D, 0xA1 );
+ Radio.Write( 0x36, 0x01 );
+ Radio.Write( 0x1e, 0x08 );
+ Radio.Write( 0x45, 0xDF );
+ Radio.Write( 0x46, 0x03 );
+ Radio.Write( 0x4D, 0x87 );
+ Radio.Write( 0x52, 0x60 );
+ }
+
+#elif TEST_LF_OUTPUT == 1
+
+ Radio.SetChannel( 433000000 );
+ TxOuputPower = 14;
+ Radio.Write( 0x01, 0x88 );
+ Radio.Write( 0x3D, 0xA1 );
+ Radio.Write( 0x36, 0x01 );
+ Radio.Write( 0x1e, 0x08 );
+
+#endif
+
+ Radio.SetTxConfig( MODEM_LORA, TxOuputPower, 0, LORA_BANDWIDTH,
+ LORA_SPREADING_FACTOR, LORA_CODINGRATE,
+ LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
+ true, LORA_IQ_INVERSION_ON, 3000000 );
+
+ // Switch LED 1 ON
+ Led1 = 1;
+ LedTimer.attach_us( OnLed1TimerEvent, 90000 );
+
+ // Sets the radio in Tx mode
+ Radio.Send( NULL, 0 );
+
+ debug( "Start main loop: \r\n" );
+ // Blink LEDs just to show some activity
+ while( 1 )
+ {
+ if( Led1TimerEvent == true )
+ {
+ Led1TimerEvent = false;
+
+ // Switch LED 1 OFF
+ Led1 = 0;
+ // Switch LED 2 ON
+ Led2 = 1;
+
+ LedTimer.attach_us( OnLed2TimerEvent, 90000 );
+ PrintLeds( );
+ }
+
+ if( Led2TimerEvent == true )
+ {
+ Led2TimerEvent = false;
+
+ // Switch LED 2 OFF
+ Led2 = 0;
+ // Switch LED 3 ON
+ Led3 = 1;
+
+ LedTimer.attach_us( OnLed3TimerEvent, 90000 );
+ PrintLeds( );
+ }
+
+ if( Led3TimerEvent == true )
+ {
+ Led3TimerEvent = false;
+
+ // Switch LED 3 OFF
+ Led3 = 0;
+ // Switch LED 1 ON
+ Led1 = 1;
+
+ LedTimer.attach_us( OnLed1TimerEvent, 90000 );
+ PrintLeds( );
+ }
+ }
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Aug 19 08:50:29 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/9327015d4013 \ No newline at end of file