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#include "Arduino.h"

#include "TempController.h"

// Notes: Refactoring test program to use TempController object

// Not yet instantiating TempController in program

// Need to design and implement display board API

// Then refactor main program to use this API instead of lc.

const byte DisplayBoard::_ledlist[] = { LED_A_BLUE, LED_A_RED, LED_B_BLUE, LED_B_RED };

//DisplayBoard::DisplayBoard() {

// init(LC_DIN, LC_CLK, LC_LOAD, LC_BRIGHTNESS, 1);

//}

DisplayBoard::DisplayBoard(byte pinDin, byte pinClk, byte pinLoad, byte brightness, byte numDevices):

_lc(pinDin, pinClk, pinLoad, numDevices)

{

// Initialize display chip

init(pinDin, pinClk, pinLoad, brightness, numDevices);

_leds_bits = 0;

}

void DisplayBoard::init(byte pinDin, byte pinClk, byte pinLoad, byte brightness, byte numDevices)

{

// numDevices ignored--controller only handles 1 device

// Wake up MAX72XX -- it's in powersave mode on startup

_lc.shutdown(0, false);

// Set brightness

_lc.setIntensity(0, brightness);

// Clear display

_lc.clearDisplay(0);

_leds_bits = 0;

// intialize inputs

pinMode(BUTTON_UP, INPUT_PULLUP);

pinMode(BUTTON_DOWN, INPUT_PULLUP);

pinMode(SWITCH_LEFT, INPUT_PULLUP);

pinMode(SWITCH_RIGHT, INPUT_PULLUP);

}

// Buttons are active low

boolean DisplayBoard::isButtonPushed(byte which) {

if (which == BUTTON_ANY) {

return isButtonPushed(BUTTON_UP) || isButtonPushed(BUTTON_DOWN);

}

return !digitalRead(which);

}

boolean DisplayBoard::isSwitchLeft() {

return isButtonPushed(SWITCH_LEFT);

}

boolean DisplayBoard::isSwitchRight() {

return isButtonPushed(SWITCH_RIGHT);

}

boolean DisplayBoard::isSwitchCenter() {

return !(isButtonPushed(SWITCH_RIGHT) || isButtonPushed(SWITCH_LEFT));

}

byte DisplayBoard::switchPosition()

{

return isButtonPushed(SWITCH_CENTER) ? SWITCH_CENTER :

isButtonPushed(SWITCH_RIGHT) ? SWITCH_RIGHT : SWITCH_LEFT;

}

void DisplayBoard::digit(byte digit, char value, boolean dp)

{

_lc.setChar(0, digit, value, dp);

}

void DisplayBoard::bits(byte digit, byte value)

{

_lc.setRow(0, digit, value);

}

/* Set leds using an integer 0..15 */

void DisplayBoard::leds(byte value)

{

for (int i = 0; i <= 3; i++) {

led(_ledlist[3-i], value & (1 << i));

}

// Set leds using LED_X_COLOR constants

void DisplayBoard::led(byte which, boolean value)

{

if (value) {

_leds_bits |= which;

} else {

_leds_bits &= ~which;

}

_lc.setRow(0, DIGIT_LEDS, _leds_bits);

}

// Set temperature for channel

void DisplayBoard::temp(byte channel, byte value)

{

byte dp = 0;

char top_digit = ' ', bottom_digit = ' ';

switch (value) {

case CHANNEL_CLEAR: top_digit = bottom_digit = ' '; dp = 0; break;

case CHANNEL_DASHES: top_digit = bottom_digit = '-'; dp = 0; break;

default:

// >100F indicated by ones digit dp set, >200F by tens digit dp set

dp = ((value >= 200) ? 2 : 0) | ((value >= 100) ? 1 : 0);

value %= 100;

top_digit = '0' + (value / 10);

bottom_digit = '0' + (value % 10);

break;

}

value %= 100;

if (channel == CHANNEL_A) {

digit(DIGIT1, value / 10, dp & 2);

digit(DIGIT2, value % 10, dp & 1);

} else if (channel == CHANNEL_B) {

digit(DIGIT3, value / 10, dp & 2);

digit(DIGIT4, value % 10, dp & 1);

}

// Handle float temperatures

void DisplayBoard::temp(byte channel, float value)

{

temp(channel, (byte)value);

}

void DisplayBoard::hot(byte channel, boolean value)

{

led((channel == CHANNEL_A) ? LED_A_RED : LED_B_RED, value);

}

void DisplayBoard::cold(byte channel, boolean value)

{

led((channel == CHANNEL_A) ? LED_A_BLUE : LED_B_BLUE, value);

}

DisplayBoard::~DisplayBoard()

{

}

// TempController

TempController::TempController(byte pinDin, byte pinClk, byte pinLoad, byte brightness, byte numDevices):

_db(pinDin, pinClk, pinLoad, brightness, numDevices)

{

init();

}

void TempController::init()

{

// Nothing needed

}

TempController::~TempController()

{

}

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