Mikroelektronika d.o.o.
DC Motor 4 Click Board
DC Motor 4 Click Board
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The DC Motor 4 Click Board™ is capable of driving motors with a supply voltage from 4.5V to 36V. It carries the MAX14870 motor driver from Maxim Integrated.
The DC Motor 4 Click Board™ is designed to run on either a 3.3V or 5V power supply. DC MOTOR 4 Click Board™ communicates with the target MCU over the following pins on the MikroBUS line: PWM, AN, CS, and INT.
Software Support
Code examples for DC MOTOR 4 Click Board™, written for MikroElektronika hardware and compilers are available on Libstock.
Code snippet
The following code snippet shows the initialization and use of compiler built-in PWM functions to control the motor.
01 void systemInit()
02 {
03 GPIO_Digital_Output(&GPIOA_BASE, _GPIO_PINMASK_4);
04
05 pwmPeriod = PWM_TIM5_Init(1000); // Set PWM frequency/period (according to the DC motor characteristics)
06 PWM_TIM5_Set_Duty(pwmPeriod, _PWM_NON_INVERTED, _PWM_CHANNEL1); // Set current duty for PWM
07 PWM_TIM5_Start(_PWM_CHANNEL1, &_GPIO_MODULE_TIM5_CH1_PA0); // Start PWM
08
09 }
10
11 void main()
12 {
13
14 systemInit();
15
16 while (1)
17 {
18 //Forward
19 DIR_PIN = 0;
20 //Forward fast
21 PWM_TIM5_Set_Duty(pwmPeriod, _PWM_NON_INVERTED, _PWM_CHANNEL1);
22 Delay_ms (3000);
23 //Forward slow
24 PWM_TIM5_Set_Duty(pwmPeriod/2, _PWM_NON_INVERTED, _PWM_CHANNEL1);
25 Delay_ms (3000);
26 //Reverse
27 DIR_PIN = 1;
28 //Reverse fast
29 PWM_TIM5_Set_Duty(pwmPeriod, _PWM_NON_INVERTED, _PWM_CHANNEL1);
30 Delay_ms (3000);
31 //Reverse slow
32 PWM_TIM5_Set_Duty(pwmPeriod/2, _PWM_NON_INVERTED, _PWM_CHANNEL1);
33 Delay_ms (3000);
34
35 }
36 }
DC Motor 4 Click Board
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