Diff: debug_serial.cpp

Revision:

15:83d4dced2a28

Parent:

12:a8ab6e018422

Child:

22:ac9b2cbb31a8

--- a/debug_serial.cpp	Mon May 13 11:04:54 2019 +0000
+++ b/debug_serial.cpp	Mon May 27 02:11:53 2019 +0000
@@ -9,13 +9,15 @@
 // init function
 //------------------------------------------------------------------------------------------------------------------ 
 void Debug_serial::init() {
-    pc.printf("\ec");
-    wait_ms(50);
+    pc.printf("\ec"); //clear entire screen
+    wait_ms(50); //wait until clearing is done
     pc.printf("-----------------\n\r|\e[1m\e[97;40m\e[93;40mBREAKPOINT AREA\e[22m\e[97;40m|\n\r-----------------\n\r\033[s");
     pc.printf("serial successfully initialised\n\r\e[32;40mto start program press any button\e[97;40m");
-    breakpoint_count=0;
-    pc.getc();
+    breakpoint_count = 0; //set breakpoint count to 0
+    pc.getc(); // wait until user sends any character
     pc.printf("\r\e[2K\e[31;40mprogram is running\e[97;40m\r");
+    
+    // information about last three breakpoints
     break_line[0] = -1;
     break_line[1] = -1;
     break_line[2] = -1;
@@ -25,7 +27,6 @@
     pc.printf("\033[14;0H------------------\n\r|\e[1m\e[93;40mSERIAL PORT AREA\e[22m\e[97;40m|\n\r------------------\n\r\033[s");
 }
 
-
 // perform one breakpoint without printing variable
 //------------------------------------------------------------------------------------------------------------------  
 void Debug_serial::breakpoint(int line_number) {
@@ -85,7 +86,7 @@
 
     strcpy(var[2], var[1]);
     strcpy(var[1], var[0]);
-    sprintf(var[0],"Address 0x%8x   Value 0x%8x", address - address%4, read_word(address - address%4, 0x0));
+    sprintf(var[0],"Address 0x%8x   Value 0x%8x", address - address%4, *((volatile unsigned int *)(address - address % 4)));
     print_3_breaks(line_number);
 
 }
@@ -146,7 +147,7 @@
 //------------------------------------------------------------------------------------------------------------------
 void Debug_serial::print_3_breaks(int line_number){
     pc.printf("\e[s"); //save current cursor position
-    wait_ms(50);
+    wait_ms(50); // wait until saving is done
     breakpoint_count++;
     break_line[2] = break_line[1]; //save information about line of breakpoints
     break_line[1] = break_line[0];