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#include "maxCommands.h"
#define cs 6
#define clk 5
#define dataIn 3
void setup() {
Serial.begin(9600);
Serial.println("Starting up \n\n\n");
pinMode(cs, OUTPUT);
pinMode(clk, OUTPUT);
pinMode(dataIn, OUTPUT);
digitalWrite(cs, HIGH);
writeCommand(maxSHUTDOWN_INV, 1);
writeCommand(maxINTENSITY, 0x00);
}
void loop() {
for ( int i = 0; i < 255; i++) {
writeCommand(maxDIGIT_1, i);
delay(200);
}
}
void writeCommand(uint8_t addr, uint8_t data) {
uint16_t byteToWrite = addr << 8 | data;
//Set Chip select low
digitalWrite(cs, LOW);
Serial.print("Writing: ");
for (int i = 0; i < 16; i++) {
bool bitToWrite = ( byteToWrite & 1 << 15 - i ) > 0;
Serial.print( bitToWrite );
//Write Data
digitalWrite(dataIn, bitToWrite);
delayMicroseconds(10);
//Write clock
digitalWrite(clk, HIGH);
//Wait and go low
delayMicroseconds(100);
digitalWrite(clk, LOW);
}
digitalWrite(cs, HIGH);
Serial.println();
}
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