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// Display Gravity Plug and Pressure Plug info on a Graphics Board.
// 2012-05-18 <jc@wippler.nl> http://opensource.org/licenses/mit-license.php
#include <GLCD_ST7565.h>
#include <JeeLib.h>
#include <PortsBMP085.h>
#include "utility/font_clR6x8.h"
class GraphicsBoard : public GLCD_ST7565, public Print {
byte x, y, dirty;
MilliTimer refreshTimer;
void newline() {
x = 0;
if (y >= 58)
scroll(SCROLLUP, 6);
else
y += 6;
}
public:
GraphicsBoard () : x (0), y (0), dirty (0) {}
void cursor (byte xa, byte ya) {
x = xa;
y = ya;
}
void poll (byte rate =100) {
if (refreshTimer.poll(rate) && dirty) {
refresh();
dirty = 0;
}
}
virtual size_t write (byte c) {
if (c == '\r')
x = 0;
else if (c == '\n')
x = 127;
else {
if (x > 122)
newline();
drawChar(x, y, c);
x += 6;
dirty = 1;
}
return 1;
}
};
GraphicsBoard glcd;
PortI2C port2 (2), port3 (3);
BMP085 pressure (port2);
GravityPlug gravity (port3);
int d = 4;
byte x = 0;
void setup () {
glcd.begin();
glcd.backLight(255);
glcd.setFont(font_clR6x8);
glcd.refresh();
pressure.getCalibData();
gravity.begin();
}
static void barGraph (byte pos, char tag, int value) {
glcd.cursor(0, pos);
glcd.print(tag);
glcd.print(' ');
glcd.print(value);
int scaled = 32 + value / 8;
if (scaled < 0) scaled = 0;
if (scaled > 63) scaled = 63;
glcd.drawRect(0, pos+9, 64, 8, 1);
glcd.fillRect(1, pos+10, scaled, 6, 1);
}
void loop () {
int temp;
long pres;
// measure and convert temperature and pressure
pressure.measure(BMP085::TEMP);
pressure.measure(BMP085::PRES);
pressure.calculate(temp, pres);
glcd.clear();
glcd.cursor(77, 10);
glcd.print("Temp (C)");
glcd.cursor(92, 20);
glcd.print(temp * 0.1);
glcd.cursor(65, 40);
glcd.print("Pres (hPa)");
glcd.cursor(80, 50);
glcd.print(pres * 0.01);
// get the array with X, Y, and Z readings
const int* p = gravity.getAxes();
barGraph(0, 'X', p[0]);
barGraph(20, 'Y', p[1]);
barGraph(40, 'Z', p[2]);
glcd.refresh();
delay(250);
}
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