File content as of revision 1:1354a7ebd0c6:

#include "mbed.h"
#include "Adafruit_ST7735.h"

Adafruit_ST7735 tft(p11, p12, p13, p10, p8, p9); // MOSI, MISO, SCLK, SSEL, TFT_DC, TFT_RST
#include "BatteryIcon.h"


//LEDs used to display output

DigitalIn enable1(p21);
DigitalIn enable2(p22);
DigitalIn enable3(p23);

DigitalOut led1(LED1);
DigitalOut led2(LED2);
DigitalOut led3(LED3);

AnalogIn ain(p20);
AnalogIn ain1(p19);
AnalogIn ain2(p18);

DigitalOut myled(LED1);



void testdrawtext(char *text, uint16_t color);
void testdrawrects(uint16_t color);
void testfastlines(uint16_t color, int batteryLevel);
void testDrawPercentage(char *percentage, uint16_t color);
void displayBatteryPercentage(int percentage, uint16_t color);
void testDrawThunderbolt();
uint16_t determineColor(int batteryLevel);

float currentFloat = 1.0;
int currentBatteryLevel = 0;
int previousBatteryLevel = 0;
int previousBatteryColor = 0;

int startingWidth = 20;
int startingHeight = 10;


int main()
{
    // Use this initializer if you're using a 1.8" TFT
    tft.initR(INITR_BLACKTAB);   // initialize a ST7735S chip, black tab

    uint16_t backgroundColor = ST7735_WHITE;
    tft.fillScreen(backgroundColor);
    
    // landscape view
    tft.setRotation(1);
    char current_text[40];
    
    int batteryLevel = ain2*32.5;
    int percentage = ain2*100;
    
    sprintf(current_text, "W: %ldp H: %ldp ", tft.height(), tft.width());
    testdrawtext(current_text, ST7735_WHITE);

    // determine if the battery is charging
    bool batteryCharging;
    if (ain1 > 0.5) {
        batteryCharging = true;
    } else {
        batteryCharging = false;
    }
    
    // create and initialise battery icon project
    BatteryIcon batteryIcon(startingWidth, startingHeight,backgroundColor,percentage,batteryCharging);
    // draw the battery icon
    batteryIcon.drawBatteryIcon();

    while (1) {
        
        // determine if the battery is charging
        percentage = ain2*100;
        if (ain1 > 0.5) {
            batteryCharging = true;
        } else {
            batteryCharging = false;
        }
        // set the battery percentage accordingly
        batteryIcon.setBatteryPercentage(percentage,batteryCharging);
        
        // wait half a second
        wait_ms(500);
    }

}

void testdrawtext(char *text, uint16_t color)
{
    tft.setCursor(0, 100);
    tft.setTextColor(color);
    tft.setTextWrap(true);
    tft.printf("%s",text);
}