Arduino Uno Debugging

Try GDB debugging on your Arduino Uno without an external debugger, so you can solve those bugs and get your project released!

Dec 9, 2019

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gdb

debugging tools

visual micro

Components and supplies

Jumper wires (generic)

SparkFun USB to Serial Breakout - FT232RL

Arduino UNO

Tools and machines

Soldering iron (generic)

Solder Wire, Lead Free

Apps and platforms

Visual Micro

Visual Studio 2017

Arduino IDE

Project description

Code

GDBStubExample.ino

arduino

Main GDBStub Sketch Example used in this tutorial

1#ifdef _DEBUG
2#include <SoftwareSerial.h>
3#include <avr8-stub.h>
4#include   <app_api.h>
5
6	#define USE_SERIAL SWSerial
7	SoftwareSerial SWSerial(2,   3);
8#else
9	#define USE_SERIAL Serial
10#endif
11
12double currentSinVal   = 0.0;
13double currentCosVal = 0.0; 
14int randomVal = 0;
15
16
17
18void   setup() {
19#ifdef _DEBUG
20	debug_init();
21#endif
22
23	USE_SERIAL.begin(115200);
24
25	randomSeed(millis());
26}
27
28void   loop() {
29#ifdef _DEBUG
30	breakpoint();
31#endif
32	currentSinVal = getSinValue(millis());
33	currentCosVal   = getCosValue(millis());
34	randomVal += random(0, 100);
35
36	USE_SERIAL.println(randomVal);
37
38}
39

#ifdef _DEBUG
#include <SoftwareSerial.h>
#include <avr8-stub.h>
#include   <app_api.h>

	#define USE_SERIAL SWSerial
	SoftwareSerial SWSerial(2,   3);
#else
	#define USE_SERIAL Serial
#endif

double currentSinVal   = 0.0;
double currentCosVal = 0.0; 
int randomVal = 0;



void   setup() {
#ifdef _DEBUG
	debug_init();
#endif

	USE_SERIAL.begin(115200);

	randomSeed(millis());
}

void   loop() {
#ifdef _DEBUG
	breakpoint();
#endif
	currentSinVal = getSinValue(millis());
	currentCosVal   = getCosValue(millis());
	randomVal += random(0, 100);

	USE_SERIAL.println(randomVal);

}

Calcs.ino

arduino

Secondary code file used in examples

1
2double getSinValue(unsigned long millis) {
3	double newSin = 1+  sin(millis / 200);
4	return newSin * 90;
5}
6
7double getCosValue(unsigned  long millis) {
8	double newCos = cos(millis / 200);
9	return newCos * 90;
10}

double getSinValue(unsigned long millis) {
	double newSin = 1+  sin(millis / 200);
	return newSin * 90;
}

double getCosValue(unsigned  long millis) {
	double newCos = cos(millis / 200);
	return newCos * 90;
}

GDBStubExample.ino

arduino

Main GDBStub Sketch Example used in this tutorial

1#ifdef _DEBUG
2#include <SoftwareSerial.h>
3#include <avr8-stub.h>
4#include  <app_api.h>
5
6	#define USE_SERIAL SWSerial
7	SoftwareSerial SWSerial(2,  3);
8#else
9	#define USE_SERIAL Serial
10#endif
11
12double currentSinVal  = 0.0;
13double currentCosVal = 0.0; 
14int randomVal = 0;
15
16
17
18void  setup() {
19#ifdef _DEBUG
20	debug_init();
21#endif
22
23	USE_SERIAL.begin(115200);
24
25	randomSeed(millis());
26}
27
28void  loop() {
29#ifdef _DEBUG
30	breakpoint();
31#endif
32	currentSinVal = getSinValue(millis());
33	currentCosVal  = getCosValue(millis());
34	randomVal += random(0, 100);
35
36	USE_SERIAL.println(randomVal);
37
38}
39

#ifdef _DEBUG
#include <SoftwareSerial.h>
#include <avr8-stub.h>
#include  <app_api.h>

	#define USE_SERIAL SWSerial
	SoftwareSerial SWSerial(2,  3);
#else
	#define USE_SERIAL Serial
#endif

double currentSinVal  = 0.0;
double currentCosVal = 0.0; 
int randomVal = 0;



void  setup() {
#ifdef _DEBUG
	debug_init();
#endif

	USE_SERIAL.begin(115200);

	randomSeed(millis());
}

void  loop() {
#ifdef _DEBUG
	breakpoint();
#endif
	currentSinVal = getSinValue(millis());
	currentCosVal  = getCosValue(millis());
	randomVal += random(0, 100);

	USE_SERIAL.println(randomVal);

}

Downloadable files

Uno to USB Serial Breakout Wiring

Shows how to wire a USB Serial converter to the Uno for this example.

Uno to USB Serial Breakout Wiring

Shows how to wire a USB Serial converter to the Uno for this example.

Uno to USB Serial Breakout Wiring

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