Example host software for the Maxim Integrated MAX20303 I2C wearable PMIC, power management IC. Hosted on the MAX32630FTHR.

Dependencies:   USBDevice max20303 max32630fthr

main.cpp

Committer:
phonemacro
Date:
11 months ago
Revision:
0:9216b8a5fd16
Child:
1:d9eb07545205

File content as of revision 0:9216b8a5fd16:

/*******************************************************************************
* 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 "MAX20303.h"

#include "USBSerial.h"

MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);

DigitalOut rLED(LED1);
DigitalOut gLED(LED2);
DigitalOut bLED(LED3);

I2C i2cBus(P3_4, P3_5);

MAX20303 max20303_pmic(&i2cBus);
    
// main() runs in its own thread in the OS
// (note the calls to Thread::wait below for delays)
int main()
{
    int32_t value = 0;
    int ret, i;
    char hwIdOk;
    
    DigitalOut rLED(LED1, LED_OFF);
    DigitalOut gLED(LED2, LED_OFF);
    DigitalOut bLED(LED3, LED_OFF);

    
    bLED = LED_ON;
    gLED = LED_ON;

    i2cBus.frequency(400000);

    hwIdOk = max20303_pmic.CheckPMICHWID();
    if (hwIdOk)
        printf("Reading of the hardware ID is okay.\r\n");
    else {
        bLED = LED_OFF;
        gLED = LED_OFF;
        rLED = LED_ON;
    }   

}