Arduino Nano 33 IoT Remote Debugging + Coding

Working through a problem, but only you have the hardware? Want to work with someone remotely as if they were there? This is for you...

Mar 11, 2020

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gdb

debugging tools

remote control

Components and supplies

STLinkv2 Hardware Debugger

Arduino Nano 33 IoT

Jumper wires (generic)

Apps and platforms

Arduino IDE

Visual Studio 2017

Visual Micro

Project description

Code

Calcs.ino

arduino

Additional Code to be used in Debugging Sketch Example

1// Encapsualtion 
2int calculateCurrentPWM_spiky(unsigned long periodTime)   {
3	return calculateCurrentPWMMultiplier(periodTime) * currentResolution;
4}
5
6int   calculateCurrentPWM_sine(unsigned long periodTime) {
7	return
8		round(
9			abs(int(
10			(
11				sin(
12				(
13					double(calculateCurrentPWM_spiky(periodTime))
14					/   165.00
15					)
16				)
17				)
18				* double(currentResolution)
19				)
20			)
21		);
22}
23
24
25int   oldValue = -1;
26void pwmWrite(int value) {
27	if (oldValue != value) {
28		analogWrite(motor,   value);
29		oldValue = value;
30		Serial.print(",");
31		Serial.print(value);
32	}
33}
34
35double   calculateCurrentPWMMultiplier(unsigned long periodTime) {
36	if ((double(periodTime   % currentPeriod_MS) / double((currentPeriod_MS / 2.00))) <= 1.00) {
37		return   (double(periodTime % currentPeriod_MS) / double((currentPeriod_MS / 2.00)));
38	}
39	else   {
40		return (1.00 - ((double(periodTime % currentPeriod_MS) - double((currentPeriod_MS   / 2.00))) / double((currentPeriod_MS / 2.00))));
41	}
42}
43

// Encapsualtion 
int calculateCurrentPWM_spiky(unsigned long periodTime)   {
	return calculateCurrentPWMMultiplier(periodTime) * currentResolution;
}

int   calculateCurrentPWM_sine(unsigned long periodTime) {
	return
		round(
			abs(int(
			(
				sin(
				(
					double(calculateCurrentPWM_spiky(periodTime))
					/   165.00
					)
				)
				)
				* double(currentResolution)
				)
			)
		);
}


int   oldValue = -1;
void pwmWrite(int value) {
	if (oldValue != value) {
		analogWrite(motor,   value);
		oldValue = value;
		Serial.print(",");
		Serial.print(value);
	}
}

double   calculateCurrentPWMMultiplier(unsigned long periodTime) {
	if ((double(periodTime   % currentPeriod_MS) / double((currentPeriod_MS / 2.00))) <= 1.00) {
		return   (double(periodTime % currentPeriod_MS) / double((currentPeriod_MS / 2.00)));
	}
	else   {
		return (1.00 - ((double(periodTime % currentPeriod_MS) - double((currentPeriod_MS   / 2.00))) / double((currentPeriod_MS / 2.00))));
	}
}

Calcs.ino

arduino

Additional Code to be used in Debugging Sketch Example

1// Encapsualtion 
2int calculateCurrentPWM_spiky(unsigned long periodTime)  {
3	return calculateCurrentPWMMultiplier(periodTime) * currentResolution;
4}
5
6int  calculateCurrentPWM_sine(unsigned long periodTime) {
7	return
8		round(
9			abs(int(
10			(
11				sin(
12				(
13					double(calculateCurrentPWM_spiky(periodTime))
14					/  165.00
15					)
16				)
17				)
18				* double(currentResolution)
19				)
20			)
21		);
22}
23
24
25int  oldValue = -1;
26void pwmWrite(int value) {
27	if (oldValue != value) {
28		analogWrite(motor,  value);
29		oldValue = value;
30		Serial.print(",");
31		Serial.print(value);
32	}
33}
34
35double  calculateCurrentPWMMultiplier(unsigned long periodTime) {
36	if ((double(periodTime  % currentPeriod_MS) / double((currentPeriod_MS / 2.00))) <= 1.00) {
37		return  (double(periodTime % currentPeriod_MS) / double((currentPeriod_MS / 2.00)));
38	}
39	else  {
40		return (1.00 - ((double(periodTime % currentPeriod_MS) - double((currentPeriod_MS  / 2.00))) / double((currentPeriod_MS / 2.00))));
41	}
42}
43

// Encapsualtion 
int calculateCurrentPWM_spiky(unsigned long periodTime)  {
	return calculateCurrentPWMMultiplier(periodTime) * currentResolution;
}

int  calculateCurrentPWM_sine(unsigned long periodTime) {
	return
		round(
			abs(int(
			(
				sin(
				(
					double(calculateCurrentPWM_spiky(periodTime))
					/  165.00
					)
				)
				)
				* double(currentResolution)
				)
			)
		);
}


int  oldValue = -1;
void pwmWrite(int value) {
	if (oldValue != value) {
		analogWrite(motor,  value);
		oldValue = value;
		Serial.print(",");
		Serial.print(value);
	}
}

double  calculateCurrentPWMMultiplier(unsigned long periodTime) {
	if ((double(periodTime  % currentPeriod_MS) / double((currentPeriod_MS / 2.00))) <= 1.00) {
		return  (double(periodTime % currentPeriod_MS) / double((currentPeriod_MS / 2.00)));
	}
	else  {
		return (1.00 - ((double(periodTime % currentPeriod_MS) - double((currentPeriod_MS  / 2.00))) / double((currentPeriod_MS / 2.00))));
	}
}

NanoDebugExample.ino

arduino

Basic Sketch to use with debugging, use with other Ino file to use the same code as shown in the example.

1const int motor = 12;
2int currentMotorPWM = 0;
3unsigned long currentPeriodStartTime  = 0;
4unsigned int currentPeriod_MS = 1000;
5unsigned int currentResolution  = 254;
6unsigned int maxResolution = 254;
7int currentPWMVal = 0;
8unsigned  long loopCounter = 0;
9
10void setup() {
11	pinMode(motor, OUTPUT);
12	analogWrite(motor,  currentPWMVal);
13}
14
15void loop() {
16	currentPWMVal = calculateCurrentPWM_sine((millis()  - currentPeriodStartTime) % currentPeriod_MS);
17	pwmWrite(currentPWMVal);
18	loopCounter++;
19}
20

const int motor = 12;
int currentMotorPWM = 0;
unsigned long currentPeriodStartTime  = 0;
unsigned int currentPeriod_MS = 1000;
unsigned int currentResolution  = 254;
unsigned int maxResolution = 254;
int currentPWMVal = 0;
unsigned  long loopCounter = 0;

void setup() {
	pinMode(motor, OUTPUT);
	analogWrite(motor,  currentPWMVal);
}

void loop() {
	currentPWMVal = calculateCurrentPWM_sine((millis()  - currentPeriodStartTime) % currentPeriod_MS);
	pwmWrite(currentPWMVal);
	loopCounter++;
}

Downloadable files

Example Nano33 IoT Connection Diagram

How to Connect the Nano-33 IoT to a Hardware Debugger

Example Nano33 IoT Connection Diagram

How to Connect the Nano-33 IoT to a Hardware Debugger

Example Nano33 IoT Connection Diagram

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