Nathan Schwartz / Mbed 2 deprecated ATT_SMS_System

ATT_SMS_System for home security system

Dependencies:   FXOS8700CQ MODSERIAL mbed-rtos mbed

Fork of ATT_Cellular_IOT_Button by Richard Finn

Diff: main.cpp

Revision:
71:bcbc072b85e1
Parent:
70:e25fe7e5488a
Child:
73:4a7aa34332b9
diff -r e25fe7e5488a -r bcbc072b85e1 main.cpp
--- a/main.cpp	Tue Aug 09 23:55:37 2016 +0000
+++ b/main.cpp	Fri Aug 12 17:18:09 2016 +0000
@@ -22,6 +22,9 @@
 volatile int g_sw2_flag = 0;
 
 // SW2 event-triggered interrupt
+// ISR = interrupt service routine
+// down = button was pushed down/falling
+// up = button was released/rising
 void sw2_isr_down()
 {
     g_sw2_flag = 1;   // set flag in ISR