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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
Diff: main.cpp
- Revision:
- 0:64aee6498091
- Child:
- 1:fe0cd2999f95
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sun Aug 12 10:18:22 2018 +0000 @@ -0,0 +1,97 @@ +/******************************************************************************* +* 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 1.0000.0 +* +* @details Sample main program for MAX30101. +* The prints are sent to the terminal window (9600, 8n1). +* The program sets the GPIOs to 1.8V and the program +* blinks green if it's able to communicate with +* the MAX30101, otherwise, it blinks red. +* 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 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(1000000); + + // Write a command + dac.writeCommand(MAX5216::WrtThru_Reg, 0xFFFF); + wait(1.0); + gLED = LED_OFF; + dac.writeCommand(MAX5216::WrtThru_Reg, 0x7FFF); + wait(1.0); + gLED = LED_ON; + dac.writeCommand(MAX5216::WrtThru_Reg, 0x3FFF); + wait(1.0); + gLED = LED_OFF; + dac.writeCommand(MAX5216::WrtThru_Reg, 0x1FFF); + wait(1.0); + bLED = LED_ON; + dac.writeCommand(MAX5216::NoOp_Reg, 0xFFFF); + wait(2.0); + bLED = LED_OFF; + + while (true) { // Blink the green LED + gLED = !gLED; + wait(0.5); + } +}