File content as of revision 2:9bb1f977c3e5:

/*******************************************************************************
* Copyright (C) 2019 Maxim Integrated Products, Inc., All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Maxim Integrated
* Products, Inc. shall not be used except as stated in the Maxim Integrated
* Products, Inc. Branding Policy.
*
* The mere transfer of this software does not imply any licenses
* of trade secrets, proprietary technology, copyrights, patents,
* trademarks, maskwork rights, or any other form of intellectual
* property whatsoever. Maxim Integrated Products, Inc. retains all
* ownership rights.
*******************************************************************************
*/

#include "mbed.h"
#include "MAX541.h"

// Connect MAX541 to Arduino compatible connector as shown:
//                  MAX541BCPA+
//              --------__--------
//     output --| 1 OUT    VDD 8 |-- IOREF (3V3 or 5V logic supply)
//        GND --| 2 AGND  DGND 7 |-- GND
//       V3.3 --| 3 REF    DIN 6 |-- D11/SPI_MOSI
// D10/SPI_SS --| 4 CS    SCLK 5 |-- D13/SPI_SCLK
//              ------------------

// example code declare SPI interface
#if defined(TARGET_MAX32625MBED)
SPI spi_max541(SPI1_MOSI, SPI1_MISO, SPI1_SCK); // mosi, miso, sclk spi1 TARGET_MAX32625MBED: P1_1 P1_2 P1_0 Arduino 10-pin header D11 D12 D13
DigitalOut spi_max541_cs(SPI1_SS); // TARGET_MAX32625MBED: P1_3 Arduino 10-pin header D10
// alternate spi connection
// SPI spi2_max541(SPI2_MOSI, SPI2_MISO, SPI2_SCK); // mosi, miso, sclk spi2 TARGET_MAX32625MBED: P2_5 P2_6 P2_4 Arduino 2x3-pin header; microSD
// DigitalOut spi2_max541_cs(SPI2_SS); // TARGET_MAX32625MBED: P2_7 Arduino 2x3-pin header
#elif defined(TARGET_MAX32600MBED)
SPI spi_max541(SPI2_MOSI, SPI2_MISO, SPI2_SCK);
DigitalOut spi_max541_cs(SPI2_SS);
#else
SPI spi_max541(D11, D12, D13); // Arduino 10-pin header
DigitalOut spi_max541_cs(D10); // Arduino 10-pin header
#endif

int main()
{
    MAX541 max541(spi_max541, spi_max541_cs);
    max541.VRef = 3.30;

    double voltageV = 1.0f;
    max541.Set_Voltage(voltageV);

    //wait(1.0);
}