main.cpp

00001 /*******************************************************************************
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00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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00033  
00034 
00035 #include "mbed.h"
00036 #include "max32630fthr.h"
00037 #include "MAX113XX_Pixi.h"
00038 #include "MAX11301Hex.h"
00039 
00040 MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
00041 
00042 int main()
00043 {
00044     Serial pc(USBTX, USBRX);            // Use USB debug probe for serial link
00045     pc.baud(115200);                    // Baud rate = 115200
00046     
00047     I2C i2cBus(I2C1_SDA, I2C1_SCL);     // I2C bus, P3_4 = SDA, P3_5 = SCL
00048 
00049     MAX113XX_I2C pixi(i2cBus, MAX113XX_I2C::MAX11301, 0x38, P5_5);
00050         
00051     pixi.dacWrite(MAX113XX_Pixi::PORT0, 0x000);    // Pixi PORT0 is -5V
00052     pixi.dacWrite(MAX113XX_Pixi::PORT1, 0xFFF);    // Pixi PORT1 is +5V
00053     
00054     uint16_t adcData;
00055     float adcVoltage;
00056     while(1) {
00057         
00058         pixi.singleEndedADCRead(MAX113XX_Pixi::PORT9, adcData);    // Read value from PORT9
00059         adcVoltage = -5 + 2.442e-3  * adcData;                     // Convert ADC val. to a voltage
00060         pc.printf("ADC Read is : %i,\tVoltage is %1.3f V \r\n", adcData, adcVoltage);
00061         wait(0.05);
00062            
00063     }
00064 }
00065