main.cpp

00001 /**********************************************************************
00002 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
00003 *
00004 * Permission is hereby granted, free of charge, to any person obtaining a
00005 * copy of this software and associated documentation files (the "Software"),
00006 * to deal in the Software without restriction, including without limitation
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00008 * and/or sell copies of the Software, and to permit persons to whom the
00009 * Software is furnished to do so, subject to the following conditions:
00010 *
00011 * The above copyright notice and this permission notice shall be included
00012 * in all copies or substantial portions of the Software.
00013 *
00014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00015 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00016 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00017 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
00018 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
00019 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00020 * OTHER DEALINGS IN THE SOFTWARE.
00021 *
00022 * Except as contained in this notice, the name of Maxim Integrated
00023 * Products, Inc. shall not be used except as stated in the Maxim Integrated
00024 * Products, Inc. Branding Policy.
00025 *
00026 * The mere transfer of this software does not imply any licenses
00027 * of trade secrets, proprietary technology, copyrights, patents,
00028 * trademarks, maskwork rights, or any other form of intellectual
00029 * property whatsoever. Maxim Integrated Products, Inc. retains all
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00031 **********************************************************************/
00032 
00033 #include "mbed.h"
00034 #include "max32630fthr.h"
00035 #include "Adafruit_SSD1306.h"
00036 #include "USBSerial.h"
00037 
00038 MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
00039 
00040 I2C i2c(P3_4, P3_5); // SDA, SCL
00041 
00042 // Hardware serial port over DAPLink
00043 Serial daplink(P2_1, P2_0);
00044 
00045 // Virtual serial port over USB
00046 USBSerial microUSB;
00047 
00048 DigitalOut rLED(LED1);
00049 DigitalOut gLED(LED2);
00050 DigitalOut bLED(LED3);
00051 
00052 DigitalIn aButton(P5_3, PullUp);
00053 DigitalIn bButton(P3_3, PullUp);
00054 DigitalIn cButton(P3_2, PullUp);
00055 
00056 /* Analog inputs 0 and 1 have internal dividers to allow measuring 5V signals  
00057  * The dividers are selected by using inputs AIN_5 and AIN_5 respectively.
00058  * The full scale range for AIN0-3 is 1.2V
00059  * The full scale range for AIN4-5 is 6.0V
00060  */
00061 AnalogIn ain0(AIN_4); 
00062 AnalogIn ain1(AIN_5); 
00063 AnalogIn ain2(AIN_2); 
00064 AnalogIn ain3(AIN_3);
00065 
00066 
00067 // main() runs in its own thread in the OS
00068 // (note the calls to Thread::wait below for delays)
00069 int main()
00070 {
00071     int c;
00072     c = ' ';
00073 
00074     daplink.printf("daplink serial port\r\n");
00075     microUSB.printf("micro USB serial port\r\n");
00076     rLED = LED_ON;
00077     gLED = LED_ON;
00078     bLED = LED_OFF;
00079 
00080 
00081     Thread::wait(50);  // Give the supplies time to settle before initializing the display
00082     Adafruit_SSD1306_I2c featherOLED(i2c);  
00083     featherOLED.printf("%ux%u OLED Display\r\n", featherOLED.width(), featherOLED.height());
00084     featherOLED.printf("HelloWorld \r");
00085     featherOLED.display();
00086 
00087 
00088     while(1) {
00089         Thread::wait(250);
00090         if (microUSB.readable()) {
00091             c = microUSB.getc();
00092             microUSB.putc(c);
00093             daplink.putc(c);
00094         }
00095         if (daplink.readable()) {
00096             c = daplink.getc();
00097             microUSB.putc(c);
00098             daplink.putc(c);
00099         }
00100         rLED = aButton;
00101         gLED = bButton;
00102         bLED = cButton;
00103         featherOLED.clearDisplay();
00104         featherOLED.setTextCursor(0,0);
00105         featherOLED.printf("MAX32630FTHR OLED\n");
00106         featherOLED.printf("AIN0/1: %1.2f, %1.2f\n", (6.0f * ain0), (6.0f * ain1) );  // analog inputs 0,1
00107         featherOLED.printf("AIN2/3: %1.2f, %1.2f\n", (1.2f * ain2), (1.2f * ain3) );  // analog inputs 2,3
00108         featherOLED.printf("UART:%c  A:%d  B:%d  C:%d\n", c, aButton.read(), bButton.read(), cButton.read());  // UART and Buttons
00109         featherOLED.display();
00110 
00111     }
00112 }
00113