u-blox / Mbed OS example-C030-out-of-box-demo

Example program demonstrate the use of the User LEDs and the User Button. The example also initializes the I2C3 Bus for the battery charger BQ24295, sets the battery charger and the cellular module driver, powers up the cellular module. However, the UART2 , which is used for communicating with the module, is not configured. Hence, the Serial USB Sniffer could be used for exercising AT commands from a development PC.

Dependencies:   ublox-cellular-base ublox-cellular-driver-gen battery-charger-bq24295 gnss

main.cpp

Committer:
euygun
Date:
2017-09-26
Revision:
2:c95852ac6953
Parent:
1:e11c75d931b5
Child:
3:b9051f3f2fcd

File content as of revision 2:c95852ac6953:

/* mbed Microcontroller Library
 * Copyright (c) 2017 u-blox
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "mbed.h"
#include "battery_charger_bq24295.h"
#include "UbloxCellularDriverGen.h"
#include "onboard_modem_api.h"

// Set the minimum input voltage limit for the BQ24295 to 3.8 Volt
#define MIN_INPUT_VOLTAGE_LIMIT_MV  3880

// User LEDs
DigitalOut ledRed(LED1, 1);
DigitalOut ledGreen(LED2, 1);
DigitalOut ledBlue(LED3, 1);

// Ethernet socket LED 
DigitalOut ledYellow(LED4,1);

// User Button
#ifdef TARGET_UBLOX_C027
    // No user button on C027
    InterruptIn userButton(NC);
#else
    InterruptIn userButton(SW0);
#endif

// i2c3 Bus
I2C i2c3(I2C_SDA_B, I2C_SCL_B);
    
// Battery Charger BQ24295
BatteryChargerBq24295 charger;

// Delay between LED changes in second
volatile float delay = 0.5;

// To check if the user pressed the User Button or not
void threadBodyUserButtonCheck(void const *args){
    float delayToggle = delay;
    while (1){
        if (userButton.read() == 1 ) {
        // User Button is pressed 
            delay = 0.1;
            //Indicate the button is pressed 
            ledYellow = 0;
        }
        else { 
        // User button is released
            delay = 0.5;
            //Turn off the Yellow LED on Ethernet socket
            ledYellow = 1;
        }
    }
}

/*
** Out of the Box Demo for C030 variants
** 
** Sets the modem then    
*/

int main()
{
    // The battery charger initialisation
    charger.init(&i2c3);   
    charger.setInputVoltageLimit(MIN_INPUT_VOLTAGE_LIMIT_MV); 
    // Disable the battery charger's watchdog, otherwise it resets the battry charger
    charger.setWatchdog(0);
   
    // Initialised the modem
    onboard_modem_init();
    
    // Power up the modem
    onboard_modem_power_up();
    
    // Create threadUserButtonCheck thread
    Thread threadUserButtonCheck(threadBodyUserButtonCheck);

    // Set the LED states
    ledRed = 0;
    ledGreen = 1;
    ledBlue = 1;
    
    printf("u-blox C030 Out-of-the-Box Demo\n\r");
    
    //Main loop
    while(1) {
        wait(delay);
        //Shift the LED states
        int carry = ledBlue;
        ledBlue = ledRed;
        ledRed = ledGreen;
        ledGreen = carry;
    }
}

// End Of File