Diff: sx1276/sx1276-mbed-hal.cpp

Revision:

112:3357f97db844

Parent:

108:3d7cfa8b8519

diff -r ccfb6ca5f5e0 -r 3357f97db844 sx1276/sx1276-mbed-hal.cpp
--- a/sx1276/sx1276-mbed-hal.cpp	Fri Jun 01 21:37:06 2018 +0000
+++ b/sx1276/sx1276-mbed-hal.cpp	Mon Oct 12 21:54:55 2020 +0000
@@ -31,7 +31,7 @@
                             PinName mosi, PinName miso, PinName sclk, PinName nss, PinName reset,
                             PinName dio0, PinName dio1, PinName dio2, PinName dio3, PinName dio4, PinName dio5,
                             PinName antSwitch, PinName antSwitchTX, PinName antSwitchTXBoost, PinName tcxo)
-                            : SX1276( events)
+                            : SX1276( events)				// SX1276Generic is a derived class of SX1276
 {
     Sleep_ms( 10 );
     this->RadioEvents = events;
@@ -60,10 +60,10 @@
         default:
             break;
     }
-    _spi = new XSPI(mosi, miso, sclk );
-    _nss = new DigitalOut(nss);
+    _spi = new XSPI(mosi, miso, sclk );				// constructor for SPI pins
+    _nss = new DigitalOut(nss);						// constructor for the ns pin
     
-    _reset = new DigitalInOut(reset);
+    _reset = new DigitalInOut(reset);				// constructor for the reset pin
     
     _dio0 = NULL;
     _dio1 = NULL;
@@ -157,7 +157,7 @@
 {
     *_nss = 1;
     _spi->format( 8,0 );
-    uint32_t frequencyToSet = 8000000;
+    uint32_t frequencyToSet = 8000000;				// SPI frequency is 8MHz
 #ifdef TARGET_KL25Z	//busclock frequency is halved -> double the spi frequency to compensate
     _spi->frequency( frequencyToSet * 2 );
 #else