Maxim Integrated / Mbed OS MAX541_Hello_DAC_on_MAX32625MBED

Example host software for the Maxim Integrated MAX541 16-Bit, Unbuffered Output Voltage DAC. Hosted on the MAX32625MBED.

Dependencies:   MAX541

main.cpp@2:9bb1f977c3e5, 2019-05-09 (annotated)

Committer:
whismanoid
Date:
Thu May 09 06:19:52 2019 +0000
Revision:
2:9bb1f977c3e5
Parent:
1:6382a70336f4 
MAX541 class documentation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
whismanoid 0:416025725155 1 /*******************************************************************************
whismanoid 0:416025725155 2 * Copyright (C) 2019 Maxim Integrated Products, Inc., All Rights Reserved.
whismanoid 0:416025725155 3 *
whismanoid 0:416025725155 4 * Permission is hereby granted, free of charge, to any person obtaining a
whismanoid 0:416025725155 5 * copy of this software and associated documentation files (the "Software"),
whismanoid 0:416025725155 6 * to deal in the Software without restriction, including without limitation
whismanoid 0:416025725155 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
whismanoid 0:416025725155 8 * and/or sell copies of the Software, and to permit persons to whom the
whismanoid 0:416025725155 9 * Software is furnished to do so, subject to the following conditions:
whismanoid 0:416025725155 10 *
whismanoid 0:416025725155 11 * The above copyright notice and this permission notice shall be included
whismanoid 0:416025725155 12 * in all copies or substantial portions of the Software.
whismanoid 0:416025725155 13 *
whismanoid 0:416025725155 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
whismanoid 0:416025725155 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
whismanoid 0:416025725155 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
whismanoid 0:416025725155 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
whismanoid 0:416025725155 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
whismanoid 0:416025725155 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
whismanoid 0:416025725155 20 * OTHER DEALINGS IN THE SOFTWARE.
whismanoid 0:416025725155 21 *
whismanoid 0:416025725155 22 * Except as contained in this notice, the name of Maxim Integrated
whismanoid 0:416025725155 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
whismanoid 0:416025725155 24 * Products, Inc. Branding Policy.
whismanoid 0:416025725155 25 *
whismanoid 0:416025725155 26 * The mere transfer of this software does not imply any licenses
whismanoid 0:416025725155 27 * of trade secrets, proprietary technology, copyrights, patents,
whismanoid 0:416025725155 28 * trademarks, maskwork rights, or any other form of intellectual
whismanoid 0:416025725155 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
whismanoid 0:416025725155 30 * ownership rights.
whismanoid 0:416025725155 31 *******************************************************************************
whismanoid 0:416025725155 32 */
whismanoid 0:416025725155 33
whismanoid 0:416025725155 34 #include "mbed.h"
whismanoid 0:416025725155 35 #include "MAX541.h"
whismanoid 0:416025725155 36
whismanoid 2:9bb1f977c3e5 37 // Connect MAX541 to Arduino compatible connector as shown:
whismanoid 2:9bb1f977c3e5 38 // MAX541BCPA+
whismanoid 2:9bb1f977c3e5 39 // --------__--------
whismanoid 2:9bb1f977c3e5 40 // output --| 1 OUT VDD 8 |-- IOREF (3V3 or 5V logic supply)
whismanoid 2:9bb1f977c3e5 41 // GND --| 2 AGND DGND 7 |-- GND
whismanoid 2:9bb1f977c3e5 42 // V3.3 --| 3 REF DIN 6 |-- D11/SPI_MOSI
whismanoid 2:9bb1f977c3e5 43 // D10/SPI_SS --| 4 CS SCLK 5 |-- D13/SPI_SCLK
whismanoid 2:9bb1f977c3e5 44 // ------------------
whismanoid 2:9bb1f977c3e5 45
whismanoid 1:6382a70336f4 46 // example code declare SPI interface
whismanoid 1:6382a70336f4 47 #if defined(TARGET_MAX32625MBED)
whismanoid 1:6382a70336f4 48 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
whismanoid 1:6382a70336f4 49 DigitalOut spi_max541_cs(SPI1_SS); // TARGET_MAX32625MBED: P1_3 Arduino 10-pin header D10
whismanoid 0:416025725155 50 // alternate spi connection
whismanoid 1:6382a70336f4 51 // 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
whismanoid 1:6382a70336f4 52 // DigitalOut spi2_max541_cs(SPI2_SS); // TARGET_MAX32625MBED: P2_7 Arduino 2x3-pin header
whismanoid 1:6382a70336f4 53 #elif defined(TARGET_MAX32600MBED)
whismanoid 2:9bb1f977c3e5 54 SPI spi_max541(SPI2_MOSI, SPI2_MISO, SPI2_SCK);
whismanoid 2:9bb1f977c3e5 55 DigitalOut spi_max541_cs(SPI2_SS);
whismanoid 1:6382a70336f4 56 #else
whismanoid 2:9bb1f977c3e5 57 SPI spi_max541(D11, D12, D13); // Arduino 10-pin header
whismanoid 2:9bb1f977c3e5 58 DigitalOut spi_max541_cs(D10); // Arduino 10-pin header
whismanoid 1:6382a70336f4 59 #endif
whismanoid 0:416025725155 60
whismanoid 0:416025725155 61 int main()
whismanoid 0:416025725155 62 {
whismanoid 0:416025725155 63 MAX541 max541(spi_max541, spi_max541_cs);
whismanoid 0:416025725155 64 max541.VRef = 3.30;
whismanoid 0:416025725155 65
whismanoid 0:416025725155 66 double voltageV = 1.0f;
whismanoid 0:416025725155 67 max541.Set_Voltage(voltageV);
whismanoid 0:416025725155 68
whismanoid 0:416025725155 69 //wait(1.0);
whismanoid 0:416025725155 70 }