Dave M
initial test app that shows potential memory usage by mbed-rtos
Dependencies: mbed-rtosMemoryTest mbed
Revision 0:9a0840718117, committed 2014-12-09
- Comitter:
- dmatsumoto
- Date:
- Tue Dec 09 18:42:05 2014 +0000
- Commit message:
- initial test app that shows potential memory usage by mbed-rtos
Changed in this revision
diff -r 000000000000 -r 9a0840718117 heapsize.hpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/heapsize.hpp Tue Dec 09 18:42:05 2014 +0000
@@ -0,0 +1,15 @@
+#ifndef __HEAPSIZE_HPP__
+#define __HEAPSIZE_HPP__
+
+unsigned long heapSize()
+{
+ char stackVariable;
+ void *heap;
+ unsigned long result;
+ heap = malloc(4);
+ result = (uint8_t*)&stackVariable - (uint8_t*)heap;
+ free(heap);
+ return result;
+}
+
+#endif
\ No newline at end of file
diff -r 000000000000 -r 9a0840718117 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Dec 09 18:42:05 2014 +0000
@@ -0,0 +1,109 @@
+#include "mbed.h"
+#include "heapsize.hpp"
+
+DigitalOut GreenLed(LED_GREEN);
+DigitalOut RedLed(LED_RED);
+DigitalOut BlueLed(LED_BLUE);
+
+void BlinkErrorCodeNoRtos( int blinks)
+{
+ GreenLed = 1;
+ BlueLed = 1;
+ for( int i=0; i<blinks; i++) {
+ RedLed = 0;
+ wait( 0.15);
+ RedLed = 1;
+ wait( 0.15);
+ }
+ wait(0.5);
+}
+
+extern "C" void HardFault_Handler()
+{
+ while( 1)
+ BlinkErrorCodeNoRtos(1);
+}
+
+extern "C" void UsageFault_Handler()
+{
+ while( 1)
+ BlinkErrorCodeNoRtos( 2);
+}
+
+extern "C" void BusFault_Handler()
+{
+ while( 1)
+ BlinkErrorCodeNoRtos( 3);
+}
+
+extern "C" void MemManage_Handler()
+{
+ while( 1)
+ BlinkErrorCodeNoRtos( 4);
+}
+
+/*
+extern "C" void SVC_Handler(int R0)
+{
+ //wait(0.1);
+}
+
+extern "C" void NMI_Handler()
+{
+}
+
+extern "C" void DebugMon_Handler()
+{
+ GreenLed = 1;
+
+ BlueLed = 0;
+ RedLed = 0;
+ wait( 0.1);
+ BlueLed = 1;
+ RedLed = 1;
+}
+
+extern "C" void PendSV_Handler()
+{
+ BlueLed = 1;
+
+ GreenLed = 0;
+ RedLed = 0;
+ wait( 0.1);
+ GreenLed = 1;
+ RedLed = 1;
+}
+
+extern "C" void SysTick_Handler()
+{
+
+}
+
+extern "C" void IntDefaultHandler()
+{
+}
+*/
+
+int main()
+{
+#ifdef __CC_ARM
+ printf( "CC ARM \r\n");
+#elif defined(__GNUC__)
+ printf( "GNUC \r\n");
+#elif defined(__ICCARM__)
+ printf( "ICC ARM \r\n");
+#endif
+
+ printf( "in main, heap free is: %ld\r\n", heapSize());
+
+ while (true) {
+ GreenLed = 0;
+ BlueLed = 0;
+ RedLed = 0;
+ wait( 0.15);
+ GreenLed = 1;
+ BlueLed = 1;
+ RedLed = 1;
+ wait( 0.15);
+ }
+}
\ No newline at end of file
diff -r 000000000000 -r 9a0840718117 mbed-rtos.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Tue Dec 09 18:42:05 2014 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/dmatsumoto/code/mbed-rtosMemoryTest/#12e4664cbe28
diff -r 000000000000 -r 9a0840718117 mbed.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.lib Tue Dec 09 18:42:05 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/#4fc01daae5a5