Help with Running Two motors using the Qik 2s9v1 motor controller

Support Motor controllers/drivers and motors
1

I have two DC motors i am trying to run using the Qik 2s9v1 motor controller. I am running into problems getting the motors to work using the example code provided by pololu. I have the wiring correct and there is a good serial connection according to the green on board LED, but i don’t know where to go from here to get the motors running. any help would be appreciated.

this is the code I’m currently using:

[code]#include <PololuQik.h>

#ifndef PololuQik_h
#define PololuQik_h

#include <Arduino.h>
#include <SoftwareSerial.h>

// Commands

#define QIK_GET_FIRMWARE_VERSION 0x81
#define QIK_GET_ERROR_BYTE 0x82
#define QIK_GET_CONFIGURATION_PARAMETER 0x83
#define QIK_SET_CONFIGURATION_PARAMETER 0x84

#define QIK_MOTOR_M0_FORWARD 0x88
#define QIK_MOTOR_M0_FORWARD_8_BIT 0x89
#define QIK_MOTOR_M0_REVERSE 0x8A
#define QIK_MOTOR_M0_REVERSE_8_BIT 0x8B
#define QIK_MOTOR_M1_FORWARD 0x8C
#define QIK_MOTOR_M1_FORWARD_8_BIT 0x8D
#define QIK_MOTOR_M1_REVERSE 0x8E
#define QIK_MOTOR_M1_REVERSE_8_BIT 0x8F

// 2s9v1 only
#define QIK_2S9V1_MOTOR_M0_COAST 0x86
#define QIK_2S9V1_MOTOR_M1_COAST 0x87

/******** 2s12v10 only
#define QIK_2S12V10_MOTOR_M0_BRAKE 0x86
#define QIK_2S12V10_MOTOR_M1_BRAKE 0x87
#define QIK_2S12V10_GET_MOTOR_M0_CURRENT 0x90
#define QIK_2S12V10_GET_MOTOR_M1_CURRENT 0x91
#define QIK_2S12V10_GET_MOTOR_M0_SPEED 0x92
#define QIK_2S12V10_GET_MOTOR_M1_SPEED 0x93
*********/

// Configuration parameters

#define QIK_CONFIG_DEVICE_ID 0
#define QIK_CONFIG_PWM_PARAMETER 1
#define QIK_CONFIG_SHUT_DOWN_MOTORS_ON_ERROR 2
#define QIK_CONFIG_SERIAL_TIMEOUT 3
#define QIK_CONFIG_MOTOR_M0_ACCELERATION 4
#define QIK_CONFIG_MOTOR_M1_ACCELERATION 5
#define QIK_CONFIG_MOTOR_M0_BRAKE_DURATION 6
#define QIK_CONFIG_MOTOR_M1_BRAKE_DURATION 7
#define QIK_CONFIG_MOTOR_M0_CURRENT_LIMIT_DIV_2 8
#define QIK_CONFIG_MOTOR_M1_CURRENT_LIMIT_DIV_2 9
#define QIK_CONFIG_MOTOR_M0_CURRENT_LIMIT_RESPONSE 10
#define QIK_CONFIG_MOTOR_M1_CURRENT_LIMIT_RESPONSE 11

class PololuQik : public SoftwareSerial
{
public:
PololuQik(unsigned char receivePin, unsigned char transmitPin, unsigned char resetPin);

void init(long speed = 9600);

char getFirmwareVersion();
byte getErrors();

byte getConfigurationParameter(byte parameter);
byte setConfigurationParameter(byte parameter, byte value);

void setM0Speed(int speed);
void setM1Speed(int speed);
void setSpeeds(int m0Speed, int m1Speed);

protected:
unsigned char _resetPin;
};

class PololuQik2s9v1 : public PololuQik
{
public:
PololuQik2s9v1(unsigned char receivePin, unsigned char transmitPin, unsigned char resetPin) : PololuQik(receivePin, transmitPin, resetPin) {}

void setM0Coast();
void setM1Coast();
void setCoasts();

};

#endif

/*
Required connections between Arduino and qik 2s9v1:
Arduino qik 2s9v1

       5V - VCC
      GND - GND

Digital Pin 2 - TX
Digital Pin 3 - RX
Digital Pin 4 - RESET
*/

PololuQik2s9v1 qik(11, 12, 13);

void setup()
{
Serial.begin(115200);
Serial.println(“qik 2s9v1 dual serial motor controller”);

qik.init();

Serial.print("Firmware version: ");
Serial.write(qik.getFirmwareVersion());
Serial.println();
}

void loop()
{
for (int i = 0; i <= 127; i++)
{
qik.setM0Speed(i);
delay(5);
}

for (int i = 127; i >= -127; i–)
{
qik.setM0Speed(i);
delay(5);
}

for (int i = -127; i <= 0; i++)
{
qik.setM0Speed(i);
delay(5);
}

for (int i = 0; i <= 127; i++)
{
qik.setM1Speed(i);
delay(5);
}

for (int i = 127; i >= -127; i–)
{
qik.setM1Speed(i);
delay(5);
}

for (int i = -127; i <= 0; i++)
{
qik.setM1Speed(i);
delay(5);
}
} [/code]

2

Hello.

We spoke on the phone and were able to get it working, but for everyone else on the forum, the solution was to remove the portion of code before the setup() function that was added so it matched the Qik2s9v1Demo.ino example program found in the Arduino library for the qik dual serial motor controllers.

Brandon