Kevin Jung / Mbed OS MAX5487_Digital_Potentiometer_Resistor_MAX32630FTHR_Host

Example host software for the Maxim Integrated MAX5487, MAX5488, MAX5489 Digital Pot/Digital Potentiometer/Rheostat/Variable Resistor. Hosted on the MAX32630FTHR FeatherWing micro-controller board.

Dependencies:   MAX5487_Digital_Pot_Potentiometer_Rheostat_Resistor_Wiper USBDevice max32630fthr

main.cpp@0:eb0e7b4d9df3, 2018-07-10 (annotated)

Committer:
jungkeviny
Date:
Tue Jul 10 05:28:26 2018 +0000
Revision:
0:eb0e7b4d9df3
Child:
1:9f552131dd08
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jungkeviny 0:eb0e7b4d9df3 1 #include "mbed.h"
jungkeviny 0:eb0e7b4d9df3 2 #include "max32630fthr.h"
jungkeviny 0:eb0e7b4d9df3 3 #include "USBSerial.h"
jungkeviny 0:eb0e7b4d9df3 4
jungkeviny 0:eb0e7b4d9df3 5 #include "MAX5487.h"
jungkeviny 0:eb0e7b4d9df3 6
jungkeviny 0:eb0e7b4d9df3 7 //MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
jungkeviny 0:eb0e7b4d9df3 8
jungkeviny 0:eb0e7b4d9df3 9 // Hardware serial port over DAPLink
jungkeviny 0:eb0e7b4d9df3 10 Serial daplink(P2_1, P2_0);
jungkeviny 0:eb0e7b4d9df3 11
jungkeviny 0:eb0e7b4d9df3 12 // Virtual serial port over USB
jungkeviny 0:eb0e7b4d9df3 13 USBSerial microUSB;
jungkeviny 0:eb0e7b4d9df3 14
jungkeviny 0:eb0e7b4d9df3 15
jungkeviny 0:eb0e7b4d9df3 16 DigitalOut led1(LED1); // led to blink
jungkeviny 0:eb0e7b4d9df3 17 DigitalOut selectPin(P3_0); // Pin 6_0 is used to drive chip enable low
jungkeviny 0:eb0e7b4d9df3 18
jungkeviny 0:eb0e7b4d9df3 19 SPI spi(P5_1, P5_2, P5_0); // mosi, miso, sclk
jungkeviny 0:eb0e7b4d9df3 20
jungkeviny 0:eb0e7b4d9df3 21 MAX32630FTHR pegasus;
jungkeviny 0:eb0e7b4d9df3 22
jungkeviny 0:eb0e7b4d9df3 23 // main() runs in its own thread in the OS
jungkeviny 0:eb0e7b4d9df3 24 int main() {
jungkeviny 0:eb0e7b4d9df3 25 pegasus.init(MAX32630FTHR::VIO_3V3);
jungkeviny 0:eb0e7b4d9df3 26
jungkeviny 0:eb0e7b4d9df3 27 selectPin=1;
jungkeviny 0:eb0e7b4d9df3 28
jungkeviny 0:eb0e7b4d9df3 29 spi.format(8,0);
jungkeviny 0:eb0e7b4d9df3 30
jungkeviny 0:eb0e7b4d9df3 31 spi.frequency(1000000);
jungkeviny 0:eb0e7b4d9df3 32
jungkeviny 0:eb0e7b4d9df3 33 selectPin=0;
jungkeviny 0:eb0e7b4d9df3 34 int test1 = spi.write(0x01);
jungkeviny 0:eb0e7b4d9df3 35 printf("returned value 1: %d\r\n", test1);
jungkeviny 0:eb0e7b4d9df3 36 int test2 = spi.write(0xFF);
jungkeviny 0:eb0e7b4d9df3 37 printf("returned value 2: %d\r\n", test2);
jungkeviny 0:eb0e7b4d9df3 38 selectPin=1;
jungkeviny 0:eb0e7b4d9df3 39 while (true) {
jungkeviny 0:eb0e7b4d9df3 40 // printf("hi\r\n");
jungkeviny 0:eb0e7b4d9df3 41 led1 = !led1;
jungkeviny 0:eb0e7b4d9df3 42 // wait(0.5);
jungkeviny 0:eb0e7b4d9df3 43 Thread::wait(500);
jungkeviny 0:eb0e7b4d9df3 44 }
jungkeviny 0:eb0e7b4d9df3 45 }
jungkeviny 0:eb0e7b4d9df3 46
jungkeviny 0:eb0e7b4d9df3 47