Keyur Panchal / Counter

Simple counter class, non-volatile between resets and power on/off.

Simple Counter class, used to store count array in non-volatile flash memory between resets and power on/off.

Diff: Counter.cpp

Revision:
2:f02ac448ecd3
Parent:
1:e8eeddee2959
Child:
3:c15c22484205
--- a/Counter.cpp	Mon Nov 12 19:01:53 2018 +0000
+++ b/Counter.cpp	Mon Nov 12 19:08:35 2018 +0000
@@ -1,11 +1,13 @@
 #include "Counter.h"
 
+//#define COUNTER_DEBUG
+
 #ifdef COUNTER_DEBUG
 Serial debug_out(USBTX, USBRX);
 #endif
 Counter::Counter()
 {
-    new_count = flash_size() - SECTOR_SIZE;
+    is_new_count = flash_size() - SECTOR_SIZE;
     address = (int)((int*)(flash_size() - SECTOR_SIZE) + 1);
 #ifdef COUNTER_DEBUG
     debug_out.printf("Constructing Object...\r\n");
@@ -31,10 +33,10 @@
 #ifdef COUNTER_DEBUG
     debug_out.printf("Initializing...\r\n");
 #endif
-    if(*((int*)new_count) == -1) { // then we know it hasn't been initialized yet
-        erase_sector(new_count);
+    if(*((int*)is_new_count) == -1) { // then we know it hasn't been initialized yet
+        erase_sector(is_new_count);
         int zero = 0;
-        program_flash(new_count, (char*)&zero, sizeof(int));
+        program_flash(is_new_count, (char*)&zero, sizeof(int));
         memwrite();
     } else {
         memread();
@@ -51,7 +53,7 @@
 #endif
     erase_sector(address);
     int zero = 0;
-    program_flash(new_count, (char*)&zero, sizeof(int));
+    program_flash(is_new_count, (char*)&zero, sizeof(int));
     program_flash(address, (char*)&count, sizeof(int) * MAX_LEN);
 #ifdef COUNTER_DEBUG
     print_memory();