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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2 respects

gdb

debugging tools

visual micro

Devices & Components

Arduino Uno Rev3

Jumper wires (generic)

SparkFun USB to Serial Breakout - FT232RL

Hardware & Tools

Soldering iron (generic)

Solder Wire, Lead Free

Software & Tools

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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