var Matrix = function(data) {
if (typeof data == 'undefined') data = {}
this.brightness = data.brightness || 15;
this.write_buffer = [];
this.current_array = [];
rpio.i2cBegin();
rpio.i2cSetSlaveAddress(data.slaveAddress || 0x70);
rpio.i2cSetBaudRate(data.bautrate || 10000);
// Turn on the oscillator
rpio.i2cWrite(Buffer([(0x20 | 0x01)]));
// Turn display on
rpio.i2cWrite(Buffer([(0x01 | 0x80)]));
// Initial Clear
for (var x = 0; x < 16; x++) {
rpio.i2cWrite(Buffer([x, 0]));
}
// Set display to full brightness.
rpio.i2cWrite(Buffer([(0xE0 | this.brightness)]));
}
/**
* Create a new instance of the ADCDifferentialPi object and initialise it with the specified parameters
* @param {number} address1 - I2C address for channels 1 to 4
* @param {number} address2 - I2C address for channels 5 to 8
* @param {number} rate - Bit rate for ADC sampling: 12, 14, 16, 18
*/
function ADCDifferentialPi(address1, address2, rate) {
address1 = this.address1;
address2 = this.address2;
this.setBitRate(rate);
this.setConversionMode(1);
rpio.i2cBegin();
rpio.i2cSetBaudRate(10000);
}
var rpio = require('rpio')
var fontLookup = require('./fontArray.js');
var AlphNum1_Add = 0x70; // Address of first HT16K33 LEDS
var AlphNum2_Add = 0x71; // Address of second bank. Set to null if not attached
var dsplyOnOff = 1; // 1 = On
var dsplyBlink = 0; // 0 = No blinking
exports.prnStr = prnStr;
exports.prn2Strs = prn2Strs;
exports.setBright = setBright;
exports.blinkDisplay = blinkDisplay;
exports.prnSentence = prnSentence; // Works best if sentence has 8 charcter words or less
// Setup i2c pins
rpio.i2cBegin();
rpio.i2cSetBaudRate(100000); /* 100kHz */
// Turn on system oscillatior
console.log("Powering up bank 1...");
rpio.i2cSetSlaveAddress(AlphNum1_Add);
rpio.i2cWrite(Buffer([0x21]));
rpio.i2cWrite(Buffer([0x81]));
if (AlphNum2_Add){
console.log("Powering up bank 2...")
rpio.i2cSetSlaveAddress(AlphNum2_Add);
rpio.i2cWrite(Buffer([0x21]));
rpio.i2cWrite(Buffer([0x81]));
}