Example host software for the Maxim Integrated MAX5715 12-bit 4-channel voltage-output DAC. Hosted on the MAX32625MBED.

Dependencies:   MAX5715

Hello_MAX5715.cpp

Committer:
whismanoid
Date:
8 months ago
Revision:
17:45d1cf899e40
Parent:
16:1892ac340a35

File content as of revision 17:45d1cf899e40:

// /*******************************************************************************
// * 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.
// *******************************************************************************
// */
// example code includes
// standard include for target platform -- Platform_Include_Boilerplate
#include "mbed.h"
// Platforms:
//   - MAX32625MBED
//      - supports mbed-os-5.11, requires USBDevice library
//      - add https://developer.mbed.org/teams/MaximIntegrated/code/USBDevice/
//      - remove max32630fthr library (if present)
//      - remove MAX32620FTHR library (if present)
//   - MAX32600MBED
//      - remove max32630fthr library (if present)
//      - remove MAX32620FTHR library (if present)
//      - Windows 10 note:  Don't connect HDK until you are ready to load new firmware into the board.
//   - NUCLEO_F446RE
//      - remove USBDevice library
//      - remove max32630fthr library (if present)
//      - remove MAX32620FTHR library (if present)
//   - NUCLEO_F401RE
//      - remove USBDevice library
//      - remove max32630fthr library (if present)
//      - remove MAX32620FTHR library (if present)
//   - MAX32630FTHR
//      - #include "max32630fthr.h"
//      - add http://os.mbed.org/teams/MaximIntegrated/code/max32630fthr/
//      - remove MAX32620FTHR library (if present)
//   - MAX32620FTHR
//      - #include "MAX32620FTHR.h"
//      - remove max32630fthr library (if present)
//      - add https://os.mbed.com/teams/MaximIntegrated/code/MAX32620FTHR/
//      - not tested yet
//   - MAX32625PICO
//      - remove max32630fthr library (if present)
//      - remove MAX32620FTHR library (if present)
//      - not tested yet
//
// end Platform_Include_Boilerplate
#include "MAX5715.h"

// example code board support
//MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
//DigitalOut rLED(LED1);
//DigitalOut gLED(LED2);
//DigitalOut bLED(LED3);
//
// Arduino "shield" connector port definitions (MAX32625MBED shown)
#if defined(TARGET_MAX32625MBED)
#define A0 AIN_0
#define A1 AIN_1
#define A2 AIN_2
#define A3 AIN_3
#define D0 P0_0
#define D1 P0_1
#define D2 P0_2
#define D3 P0_3
#define D4 P0_4
#define D5 P0_5
#define D6 P0_6
#define D7 P0_7
#define D8 P1_4
#define D9 P1_5
#define D10 P1_3
#define D11 P1_1
#define D12 P1_2
#define D13 P1_0
#endif

// example code declare SPI interface
#if defined(TARGET_MAX32625MBED)
SPI spi(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_cs(SPI1_SS); // TARGET_MAX32625MBED: P1_3 Arduino 10-pin header D10
#elif defined(TARGET_MAX32600MBED)
SPI spi(SPI2_MOSI, SPI2_MISO, SPI2_SCK); // mosi, miso, sclk spi1 TARGET_MAX32600MBED: Arduino 10-pin header D11 D12 D13
DigitalOut spi_cs(SPI2_SS); // Generic: Arduino 10-pin header D10
#else
SPI spi(D11, D12, D13); // mosi, miso, sclk spi1 TARGET_MAX32600MBED: Arduino 10-pin header D11 D12 D13
DigitalOut spi_cs(D10); // Generic: Arduino 10-pin header D10
#endif

// example code declare GPIO interface pins
DigitalOut LDACb_pin(D9); // Digital Trigger Input to MAX5715 device
DigitalOut CLRb_pin(D8); // Digital Trigger Input to MAX5715 device
// AnalogOut REF_pin(Px_x_PortName_To_Be_Determined); // Reference Input to MAX5715 device
// AnalogIn OUTA_pin(A0); // Analog Output from MAX5715 device
// AnalogIn OUTB_pin(A1); // Analog Output from MAX5715 device
// AnalogIn OUTC_pin(A2); // Analog Output from MAX5715 device
// AnalogIn OUTD_pin(A3); // Analog Output from MAX5715 device
// DigitalIn RDYb_pin(Px_x_PortName_To_Be_Determined); // Digital MAX5715 Output from MAX5715 device
// example code declare device instance
MAX5715 g_MAX5715_device(spi, spi_cs, LDACb_pin, CLRb_pin, MAX5715::MAX5715_IC);

// example code main function
int main()
{
    g_MAX5715_device.Init();

    while (1)
    {
        g_MAX5715_device.REF(MAX5715::REF_AlwaysOn_2V500);

        uint16_t ch;
        uint16_t code;
        //
        ch = 0;
        code = 0x0ccc; // 80.0% of full scale REF(2.50V) = 2.00V
        g_MAX5715_device.CODEnLOADn(ch, code);
        //
        ch = 1;
        code = 0x07ff; // 50.0% of full scale REF(2.50V) = 1.25V
        g_MAX5715_device.CODEnLOADn(ch, code);
        //
        ch = 2;
        code = 0x0666; // 40.0% of full scale REF(2.50V) = 1.00V
        g_MAX5715_device.CODEnLOADn(ch, code);
        //
        ch = 3;
        code = 0x0fff; // 100.0% of full scale REF(2.50V) = 2.50V
        g_MAX5715_device.CODEnLOADn(ch, code);

        // wait(3.0);
    }
}