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@2:5362460b01ef, 2017-08-17 (annotated)

Committer:
coreyharris
Date:
Thu Aug 17 20:04:52 2017 +0000
Revision:
2:5362460b01ef
Parent:
1:c161bde4496f
Child:
3:b3fbff9ab12e
Added comments;

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 int main()
coreyharris 0:6727152ebfbb 9 {
coreyharris 1:c161bde4496f 10 Serial pc(USBTX, USBRX); // Use USB debug probe for serial link
coreyharris 1:c161bde4496f 11 pc.baud(115200); // Baud rate = 115200
coreyharris 0:6727152ebfbb 12
coreyharris 1:c161bde4496f 13 I2C i2cBus(I2C1_SDA, I2C1_SCL); // I2C bus, P3_4 = SDA, P3_5 = SCL
coreyharris 0:6727152ebfbb 14
coreyharris 0:6727152ebfbb 15 MAX113XX_I2C * pixi;
coreyharris 0:6727152ebfbb 16 pixi = new MAX113XX_I2C(i2cBus, MAX113XX_I2C::MAX11301, 0x38, P5_5);
coreyharris 0:6727152ebfbb 17
coreyharris 1:c161bde4496f 18
coreyharris 1:c161bde4496f 19 uint16_t adcData, idx;
coreyharris 0:6727152ebfbb 20 float adcVoltage;
coreyharris 0:6727152ebfbb 21 while(1) {
coreyharris 1:c161bde4496f 22
coreyharris 1:c161bde4496f 23 for(idx = 0; idx <= 0xFFF; idx++) {
coreyharris 2:5362460b01ef 24 pixi->dacWrite(MAX113XX_Pixi::PORT0, idx); // Write idx to PORT0
coreyharris 2:5362460b01ef 25 pixi->singleEndedADCRead(MAX113XX_Pixi::PORT9, adcData); // Read value from PORT9
coreyharris 2:5362460b01ef 26 adcVoltage = -5 + 2.442e-3 * adcData; // Convert ADC val to a voltage
coreyharris 0:6727152ebfbb 27 pc.printf("ADC Voltage is %1.3f V, Count is 0x%x \r\n", adcVoltage, idx);
coreyharris 0:6727152ebfbb 28 }
coreyharris 0:6727152ebfbb 29
coreyharris 1:c161bde4496f 30 pc.printf("\r\n\r\nSweep complete, starting new sweep\r\n\r\n");
coreyharris 1:c161bde4496f 31 wait(2.0);
coreyharris 0:6727152ebfbb 32 }
coreyharris 0:6727152ebfbb 33 }
coreyharris 0:6727152ebfbb 34