Helmut Tschemernjak / Mbed 2 deprecated Turtle_RadioShuttle

An example project for the Heltec Turtle LoRa board (STM32L4 and SX1276 chips). The projects is only supported for the Nucleo-L432KC board platform in the mbed online and offline compiler environment. Visit www.radioshuttle.de (choose Turtle board) for instructions. Note that most source files and libraries are open source, however some files especially the RadioShuttle core protocol is copyrighted work. Check header for details.

Dependencies:   mbed BufferedSerial SX1276GenericLib OLED_SSD1306 HELIOS_Si7021 NVProperty RadioShuttle-STM32L4 USBDeviceHT

Files at this revision

API Documentation at this revision

Revision 38:1f3792d6f9ec, committed 2019-02-13

Comitter:
Helmut Tschemernjak
Date:
Wed Feb 13 14:50:50 2019 +0100
Parent:
37:77fa81e4ad79
Child:
39:ee20fe5c9253
Commit message:
Updated MemoryAvailable

Changed in this revision

utils.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/utils.cpp	Wed Feb 13 14:10:17 2019 +0100
+++ b/utils.cpp	Wed Feb 13 14:50:50 2019 +0100
@@ -362,23 +362,22 @@
 float
 GetBrownOutVolt(void)
 {
-	float borVolt;
 		unsigned int *FlashOptionRegister = (unsigned int *)0x1FFF7800;
 		
 		int val = *FlashOptionRegister >> 8 & 0x7; // masking out the BOR bits 9-11
 		switch(val) {
 			case 0:
-				return borVolt = 1.7;
+				return 1.7;
 			case 1:
-				return borVolt =  2.0;
+				return 2.0;
 			case 2:
-				return borVolt =  2.2;
+				return 2.2;
 			case 3:
-				return borVolt = 2.5;
+				return 2.5;
 			case 4:
-				return borVolt = 2.8;
+				return 2.8;
 			default:
-				return borVolt = 999;
+				return 999;
 		}
 }
 
@@ -388,6 +387,14 @@
     SCB->AIRCR = AIRCR_VECTKEY_MASK | 0x04; // NVIC_GenerateSystemReset();
 }
 
+
+#define FREEMEM_CELL    100
+
+struct elem { /* Definition of a structure that is FREEMEM_CELL bytes  in size.) */
+    struct elem *next;
+    char dummy[FREEMEM_CELL-2];
+};
+
 size_t
 MemoryAvailable(bool print)
 {