File content as of revision 2:4e505e17a701:

/* Copyright (c) 2017 Aconno. All Rights Reserved.
 *
 * Licensees are granted free, non-transferable use of the information. NO
 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
 * the file.
 */
 
#include "mbed.h"
#include "acd52832_bsp.h"
#include "GDEP015OC1.h"

#define delay_time 1000
#define ADC_MAX_VALUE 1023

SPI spi(PIN_EPD_MOSI, NC, PIN_EPD_SCK, NC);
GDEP015OC1 epd = GDEP015OC1(spi, PIN_EPD_CS, PIN_EPD_DC, PIN_EPD_RST, PIN_EPD_BUSY);

AnalogIn  battery   (p28);
AnalogIn  usb1      (p29);
AnalogIn  usb2      (p30);

int main(){
    char buffer[25] = {0};
    wait_ms(100);
    
    while(true){   
        epd.empty();
        epd.write(); 
        
        sprintf(buffer, "Battery: %4.0f", battery.read()*ADC_MAX_VALUE);     // Create a string
        epd.writeString(buffer,25,70,0);                        // Write new data to the buffer    
        epd.write();                                            // Write string to the EPD
        
        
        sprintf(buffer, "USB1: %4.0f", usb1.read()*ADC_MAX_VALUE);           // Create a string
        epd.writeString(buffer,25,90,0);                        // Write new data to the buffer    
        epd.write();                                            // Write string to the EPD
        
        sprintf(buffer, "USB2: %4.0f", usb2.read()*ADC_MAX_VALUE);           // Create a string
        epd.writeString(buffer,25,110,0);                       // Write new data to the buffer    
        epd.write();                                            // Write string to the EPD
        
        wait_ms(delay_time);   
    }
}