![](/media/cache/group/logo-maxim-integrated.png.50x50_q85.png)
Example host software code for the Maxim Integrated MAX5216/MAX5214 16-bit/14-bit SPI bus DAC. Hosted on the MAX32630FTHR FeatherWing micro-controller board.
Dependencies: MAX5216_16_Bit_DAC_SPI_Bus_Driver USBDevice max32630fthr
main.cpp
- Committer:
- phonemacro
- Date:
- 2018-09-06
- Revision:
- 3:601454551d3a
- Parent:
- 2:5f8cd1facd15
File content as of revision 3:601454551d3a:
/******************************************************************************* * Copyright (C) 2018 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 "max32630fthr.h" #include "MAX5216.h" #include "USBSerial.h" MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3); DigitalOut rLED(LED1); DigitalOut gLED(LED2); DigitalOut bLED(LED3); DigitalOut selectPin(P3_0); // Pin 3_0 is used to drive chip enable low SPI spi(P5_1, P5_2, P5_0); // mosi, miso, sclk // main() runs in its own thread in the OS // (note the calls to Thread::wait below for delays) /** * @brief Sample main program for MAX5214, MAX5216 * @version 1.0000.1 * * @details Sample main program for MAX5214, MAX5216 * The prints are sent to the terminal window (9600, 8n1). * The program sets the GPIOs to 3.3V and the program * issues various voltages to the DAC. Then the program * issues a Power Down Command. * To run the program, drag and drop the .bin file into the * DAPLINK folder. After it finishes flashing, cycle the power or * reset the Pegasus (MAX32630FTHR) after flashing by pressing the button on * the Pegasus next to the battery connector or the button * on the MAXREFDES100HDK. */ int main() { DigitalOut rLED(LED1, LED_OFF); DigitalOut gLED(LED2, LED_OFF); DigitalOut bLED(LED3, LED_OFF); gLED = LED_ON; printf("MAX5216 16-bit DAC example source code.\r\n"); MAX5216 dac(spi, selectPin, MAX5216::MAX5216_IC); spi.format(8,0); spi.frequency(24000000); // Use 24 MHz SPI bus // Command values to the DAC dac.write_command(MAX5216::WrtThru_Reg, 0xFFFF); wait(1.0); gLED = LED_OFF; dac.write_command(MAX5216::WrtThru_Reg, 0x7FFF); wait(1.0); gLED = LED_ON; dac.write_command(MAX5216::WrtThru_Reg, 0x3FFF); wait(1.0); gLED = LED_OFF; dac.write_command(MAX5216::WrtThru_Reg, 0x1FFF); wait(1.0); rLED = LED_ON; gLED = LED_ON; // Issue Power Down Commands // dac.write_command(MAX5216::PwrDwn_Reg, MAX5216::PwrDwnNormalOp); dac.write_command(MAX5216::PwrDwn_Reg, MAX5216::PwrDwnHiZ); // dac.write_command(MAX5216::PwrDwn_Reg, MAX5216::PwrDwn100K); // dac.write_command(MAX5216::PwrDwn_Reg, MAX5216::PwrDwn1K); wait(2.0); rLED = LED_OFF; while (true) { // Blink the green LED gLED = !gLED; wait(0.5); } }