Maxim Integrated / Mbed OS MAX11301WING_Demo

Demo code for the MAX11301WING. Programs a +5V on Port 0, -5V on Port 1 and a single-ended ADC on Port 9.

Dependencies:   MAX113XX_Pixi max32630fthr

Fork of MAX11301_Demo by John Greene

main.cpp@0:6727152ebfbb, 2017-08-17 (annotated)

Committer:
coreyharris
Date:
Thu Aug 17 15:24:05 2017 +0000
Revision:
0:6727152ebfbb
Child:
1:c161bde4496f
Functional MAX11301 demo, sweeping from 0->0xFFF on the DAC and reading the values back with the ADC

Who changed what in which revision?

UserRevisionLine numberNew contents of line
coreyharris 0:6727152ebfbb 1 #include "mbed.h"
coreyharris 0:6727152ebfbb 2 #include "max32630fthr.h"
coreyharris 0:6727152ebfbb 3 #include "MAX113XX_Pixi.h"
coreyharris 0:6727152ebfbb 4 #include "MAX11301Hex.h"
coreyharris 0:6727152ebfbb 5
coreyharris 0:6727152ebfbb 6 MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
coreyharris 0:6727152ebfbb 7
coreyharris 0:6727152ebfbb 8
coreyharris 0:6727152ebfbb 9 int main()
coreyharris 0:6727152ebfbb 10 {
coreyharris 0:6727152ebfbb 11 Serial pc(USBTX, USBRX);
coreyharris 0:6727152ebfbb 12 pc.baud(115200);
coreyharris 0:6727152ebfbb 13
coreyharris 0:6727152ebfbb 14 DigitalOut rLed(LED1, LED_OFF);
coreyharris 0:6727152ebfbb 15 DigitalOut gLed(LED2, LED_OFF);
coreyharris 0:6727152ebfbb 16 DigitalOut bLed(LED3, LED_OFF);
coreyharris 0:6727152ebfbb 17
coreyharris 0:6727152ebfbb 18 I2C i2cBus(I2C1_SDA, I2C1_SCL); // I2C bus
coreyharris 0:6727152ebfbb 19
coreyharris 0:6727152ebfbb 20 MAX113XX_I2C * pixi;
coreyharris 0:6727152ebfbb 21 pixi = new MAX113XX_I2C(i2cBus, MAX113XX_I2C::MAX11301, 0x38, P5_5);
coreyharris 0:6727152ebfbb 22
coreyharris 0:6727152ebfbb 23 uint16_t adcData;
coreyharris 0:6727152ebfbb 24 float adcVoltage;
coreyharris 0:6727152ebfbb 25
coreyharris 0:6727152ebfbb 26 while(1) {
coreyharris 0:6727152ebfbb 27
coreyharris 0:6727152ebfbb 28 for( int idx = 0; idx <= 0xFFF; idx++ ) {
coreyharris 0:6727152ebfbb 29
coreyharris 0:6727152ebfbb 30 pixi->dacWrite(MAX113XX_Pixi::PORT0, idx);
coreyharris 0:6727152ebfbb 31 pixi->singleEndedADCRead(MAX113XX_Pixi::PORT9, adcData);
coreyharris 0:6727152ebfbb 32 adcVoltage = -5 + 2.4414e-3 * adcData;
coreyharris 0:6727152ebfbb 33
coreyharris 0:6727152ebfbb 34 pc.printf("ADC Voltage is %1.3f V, Count is 0x%x \r\n", adcVoltage, idx);
coreyharris 0:6727152ebfbb 35 }
coreyharris 0:6727152ebfbb 36
coreyharris 0:6727152ebfbb 37 pc.printf("\r\n\r\nSweep complete, starting new sweep \r\n\r\n");
coreyharris 0:6727152ebfbb 38 wait(2.0);
coreyharris 0:6727152ebfbb 39
coreyharris 0:6727152ebfbb 40 }
coreyharris 0:6727152ebfbb 41 }
coreyharris 0:6727152ebfbb 42