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158
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1 /*
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2 D0 <---------
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3 D1 lcd rw
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4 D2 <---------
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5 D3 ir out -----
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6 D4 lcd 4
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7 D5 lcd 5
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8 D6 lcd 6
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9 D7 lcd 7
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10 D8 lcd rs
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11 D9 lcd en
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12 D10 lcd backlight
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13 D11 tbd <------------
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14 D12 motion in <--------
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15 D13 debug led <--------
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16
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17 */
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153
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18 #include <Arduino.h>
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19 #include <LiquidCrystal.h>
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157
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20 #include "DFR_Key.h"
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21 #include "IRremote.h"
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153
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22
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157
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23 // see http://www.dfrobot.com/image/data/DFR0009/LCDKeypad%20Shield%20V1.0%20SCH.pdf
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153
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24 #define I2C_ADDR 0x27 // I2C address of PCF8574A
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157
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25 #define BACKLIGHT_PIN 10
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153
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26 #define En_pin 9
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27 #define Rw_pin 1
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28 #define Rs_pin 8
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29 #define D4_pin 4
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30 #define D5_pin 5
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31 #define D6_pin 6
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32 #define D7_pin 7
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33
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157
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34 LiquidCrystal lcd(Rs_pin, Rw_pin, En_pin, D4_pin, D5_pin, D6_pin, D7_pin, BACKLIGHT_PIN, POSITIVE);
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35 DFR_Key keypad;
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153
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36
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37 #define debugLed 13
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38
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157
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39 byte backlightStandard = 0;
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40 byte backlightCurrent = 0;
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41 byte backlightKeypressBoost = 30;
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42
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43 int lastKey = -1;
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44 int lastUnsentKeydown = -1;
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45 uint16_t steps = 0;
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46 uint16_t stepDelayPerBrightnessFade = 2048;
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47
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158
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48 // uses pin 3
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157
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49 IRsend irsend;
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50
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51 void sendnec(byte addr, byte cmd) {
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52 uint32_t w = 0x00ff0000;
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53 w |= (cmd << 8) & 0xff00;
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54 w |= (~cmd) & 0xff;
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55 irsend.sendNEC(w, 32);
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56 delay(100);
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57 }
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153
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58
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59 void setup(void) {
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60 pinMode(debugLed, OUTPUT);
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61 Serial.begin(115200);
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157
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62 keypad.setRate(10);
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63 lcd.begin(16,2);
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64
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65
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66 for (int i = 0; i < 1; i++) {
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67 digitalWrite(debugLed,1);
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68 /*
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69 44 key remote. command chart: http://blog.allgaiershops.com/2012/05/
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70 Up Down Play Pwr
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71 0x3A 0xBA 0x82 0x02
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72
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73 Red Grn Blu Wht
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74 1A 9A A2 22
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75
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76 2A AA 92 12
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77
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78 0A 8A B2 32
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79
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80 38 B8 78 F8
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81
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82 18 98 58 D8
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83
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84 RUp GUp BUp Quick
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85 28 A8 68 E8
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86
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87 RDn GDn BDn Slow
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88 08 88 48 C8
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89
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90 DIY1 DIY2 DIY3 AUTO
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91 30 B0 70 F0
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92
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93 DIY4 DIY5 DIY6 Flash
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94 10 90 50 D0
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95
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96 JMP3 JMP7 Fade Fade7
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97 20 A0 60 E0
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98
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99 irsend.sendNEC(0xff0002fd, 32);
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100 irsend.sendNEC(0x00ff02fd, 32);
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101 irsend.sendNEC(0x00ff40bf, 32);
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102 irsend.sendNEC(0xff0040bf, 32);
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103 */
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104 delay(100);
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105
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106 // LED618 remote command byte (addr is ff)
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107 // see https://github.com/alistairallan/RgbIrLed/blob/master/RgbIrLed.cpp#L44
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108 #define ON 0xE0
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109 #define OFF 0x60
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110 #define BRIGHTNESS_UP 0xA0
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111 #define BRIGHTNESS_DOWN 0x20
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112 #define FLASH 0xF0
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113 #define STROBE 0xE8
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114 #define FADE 0xD8
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115 #define SMOOTH 0xC8
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116
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117 #define RED 0x90
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118 #define GREEN 0x10
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119 #define BLUE 0x50
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120 #define WHITE 0xD0
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121
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122 #define ORANGE 0xB0
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123 #define YELLOW_DARK 0xA8
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124 #define YELLOW_MEDIUM 0x98
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125 #define YELLOW_LIGHT 0x88
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126
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127 #define GREEN_LIGHT 0x30
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128 #define GREEN_BLUE1 0x28
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129 #define GREEN_BLUE2 0x18
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130 #define GREEN_BLUE3 0x08
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131
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132 #define BLUE_RED 0x70
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133 #define PURPLE_DARK 0x68
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134 #define PURPLE_LIGHT 0x58
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135 #define PINK 0x48
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136 sendnec(0xff, ON);
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137
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138 digitalWrite(debugLed,0);
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139 delay(100);
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153
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140 }
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141 }
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142
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157
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143
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153
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144 void loop() {
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157
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145 while (Serial.available() <= 2) {
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146 int localKey = keypad.getKey();
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147 if (localKey != SAMPLE_WAIT) {
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148 if (localKey != lastKey) {
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149 if (lastKey == 0) {
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150 backlightCurrent = min(255, backlightStandard +
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151 backlightKeypressBoost);
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152 lastUnsentKeydown = localKey;
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153 }
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154 lastKey = localKey;
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155 }
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156 }
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157
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158 if (backlightCurrent > backlightStandard) {
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159 steps++;
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160 if (steps % stepDelayPerBrightnessFade == 0) {
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161 backlightCurrent--;
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162 }
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163 } else if (backlightCurrent < backlightStandard) {
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164 backlightCurrent = backlightStandard;
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165 }
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166 lcd.setBacklight(backlightCurrent);
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167 }
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168 byte i = Serial.read();
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169 if (i != 0x60) {
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170 return;
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171 }
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172 i = Serial.read(); // command
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173 if (i == 0) { // get status
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174 Serial.print('{');
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175 if (lastUnsentKeydown != -1) {
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176 Serial.print("\"keyDown\":");
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177 Serial.print(lastUnsentKeydown);
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178 Serial.print(",");
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179 lastUnsentKeydown = -1;
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180 }
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181 Serial.print("\"slider1\":"); Serial.print(analogRead(1));
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182 Serial.print(",\"slider2\":"); Serial.print(analogRead(2));
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183 Serial.print(",\"slider3\":"); Serial.print(analogRead(3));
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184 Serial.print(",\"slider4\":"); Serial.print(analogRead(4));
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185 Serial.print("}\n");
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186 } else if (i == 1) { // write text
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187 while (Serial.available() < 3) NULL;
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188 byte row = Serial.read();
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189 byte col = Serial.read();
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190 byte nchars = Serial.read();
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191 char buf[32];
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192 char *p=buf;
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193 while (nchars--) {
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194 while (Serial.available() < 1) NULL;
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195 *(p++) = Serial.read();
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196 }
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197 *p = 0;
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198 lcd.setCursor(row, col);
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199 lcd.print(buf);
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200 } else if (i == 2) { // set backlight
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201 while (Serial.available() < 1) NULL;
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202 backlightStandard = Serial.read();
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203 } else {
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204 // unknown command
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205 }
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153
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206 }
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