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annotate service/starArduino/star/star.pde @ 828:a422d875d94d

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barcode support on star. triggers mpd song Ignore-this: 1038c3d0501bba595fbf701e30acac6 darcs-hash:20120304114228-312f9-8fc9a9198be2044359f35aebcd1c428a58cb4ea2.gz
author drewp <drewp@bigasterisk.com>
date Sun, 04 Mar 2012 03:42:28 -0800
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828
a422d875d94d barcode support on star. triggers mpd song
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1 /*
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2 board is like diecimila with atmega168
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3
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4 */
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5 #include <SoftwareSerial.h>
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6 int datapin = 10; // DI
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7 int latchpin = 11; // LI
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8 int enablepin = 12; // EI
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9 int clockpin = 13; // CI
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10
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11 unsigned long SB_CommandPacket;
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12 int SB_CommandMode;
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13 int SB_BlueCommand;
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14 int SB_RedCommand;
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15 int SB_GreenCommand;
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16
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17 #define MAXCHANS 16
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18 int vals[MAXCHANS * 3];
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19
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20 int addr = 0; // which vals element to set next
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21 int currentChans = MAXCHANS;
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22
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23 unsigned char rotation = 0; // position of knob
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24 unsigned char lastRotPosition = 0; // 2*A+1*B
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25
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26 #define TEMP_ENABLED 1
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27
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28 #if TEMP_ENABLED
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29 #include <OneWire.h>
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30 #include <DallasTemperature.h>
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31
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32 OneWire oneWire(4); // digital IO 4
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33 DallasTemperature sensors(&oneWire);
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34 DeviceAddress tempSensorAddress;
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35 #endif
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36
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37 /*
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38 barcode red: +5V
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39 barcode white: gnd
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40 */
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41 SoftwareSerial barcode = SoftwareSerial(/* rx pin, green */ 3,
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42 /* tx pin, black */ 2,
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43 /* inverse */ true);
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44
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45 void shiftOutLocal(uint8_t dataPin, uint8_t clockPin, byte val)
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46 {
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47 int i;
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48
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49 for (i = 0; i < 8; i++) {
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50 digitalWrite(dataPin, !!(val & (1 << (7 - i))));
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51
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52 digitalWrite(clockPin, HIGH);
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53 digitalWrite(clockPin, LOW);
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54 }
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55 }
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56
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57 void SB_SendPacket() {
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58 SB_CommandPacket = SB_CommandMode & B11;
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59 SB_CommandPacket = (SB_CommandPacket << 10) | (SB_BlueCommand & 1023);
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60 SB_CommandPacket = (SB_CommandPacket << 10) | (SB_RedCommand & 1023);
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61 SB_CommandPacket = (SB_CommandPacket << 10) | (SB_GreenCommand & 1023);
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62
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63 shiftOutLocal(datapin, clockpin, SB_CommandPacket >> 24);
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64 shiftOutLocal(datapin, clockpin, SB_CommandPacket >> 16);
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65 shiftOutLocal(datapin, clockpin, SB_CommandPacket >> 8);
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66 shiftOutLocal(datapin, clockpin, SB_CommandPacket);
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67
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68 }
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69 void latch() {
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70 delayMicroseconds(100);
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71 digitalWrite(latchpin,HIGH); // latch data into registers
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72 delayMicroseconds(100);
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73 digitalWrite(latchpin,LOW);
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74 }
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75 void refresh() {
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76 /* send all pixels */
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77 SB_CommandMode = B00;
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78 for (int pixel=0; pixel < currentChans; pixel++) {
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79 SB_RedCommand = vals[pixel * 3 + 0];
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80 SB_GreenCommand = vals[pixel * 3 + 1];
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81 SB_BlueCommand = vals[pixel * 3 + 2];
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82 SB_SendPacket();
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83 }
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84 latch();
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85 }
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86 #define F 1023
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87 #define PIXEL(i, r, g, b) { vals[i*3+0] = r; vals[i*3+1] = g; vals[i*3+2] = b; }
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88
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89 void setCurrent(unsigned char r, unsigned char g, unsigned char b) {
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90 /* 127 = max */
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91 SB_CommandMode = B01; // Write to current control registers
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92 SB_RedCommand = r;
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93 SB_GreenCommand = g;
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94 SB_BlueCommand = b;
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95 SB_SendPacket();
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96 latch();
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97 }
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98 void setup() {
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99 pinMode(datapin, OUTPUT);
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100 pinMode(latchpin, OUTPUT);
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101 pinMode(enablepin, OUTPUT);
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102 pinMode(clockpin, OUTPUT);
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103
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104 digitalWrite(latchpin, LOW);
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105 digitalWrite(enablepin, LOW);
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106
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107 for (int i=0; i < MAXCHANS; i++) {
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108 setCurrent(127, 127, 127);
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109 }
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110
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111 PIXEL(0, F, 0, 0);
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112 PIXEL(1, 0, F, 0);
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113 PIXEL(2, 0, 0, F);
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114 PIXEL(3, F, F, 0);
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115 PIXEL(4, 0, F, F);
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116 refresh();
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117
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118 #if TEMP_ENABLED
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119 sensors.begin();
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120 sensors.getAddress(tempSensorAddress, 0);
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121 sensors.setResolution(tempSensorAddress, 12);
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122 #endif
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123
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124 Serial.begin(9600);
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125 Serial.flush();
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126
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127 pinMode(5, INPUT);
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128 pinMode(6, INPUT);
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129 pinMode(7, INPUT);
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130 pinMode(8, INPUT);
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131 pinMode(9, INPUT);
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132 digitalWrite(6, HIGH);
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133 digitalWrite(8, HIGH);
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134 digitalWrite(9, HIGH);
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135
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136
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137 barcode.begin(1200);
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138 digitalWrite(2, 0); // inverse logic: don't hold this high
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139
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140 /*
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141 barcode.write("\x1b\x42\x0d"); // blink
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142 */
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143 /*
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144 barcode.write("\x1b\x46\x0d"); // off
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145 */
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146 }
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147
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148 void loop() {
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149 /*
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150 send 0xff,
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151 then a byte for the number of channels you're going to send,
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152 then nchans*3 bytes of r-g-b levels from 0x00-0xfe.
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
153
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
154 second byte 0xfe means to return temp in F, followed by \n
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
155 second byte 0xfd means to return a line describing the state of buttons
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
156 second byte 0xfc means to beep the barcode scanner
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
157 second byte 0xfb means to fetch any recent scanned barcode
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
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158 */
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
159
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
160 unsigned char curPos = (digitalRead(8) << 1) | digitalRead(9);
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
161
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
162 if (curPos == 0 && lastRotPosition == 2) { rotation--; }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
163 if (curPos == 0 && lastRotPosition == 1) { rotation++; }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
164 if (curPos == 1 && lastRotPosition == 0) { rotation--; }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
165 if (curPos == 1 && lastRotPosition == 3) { rotation++; }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
166 if (curPos == 3 && lastRotPosition == 1) { rotation--; }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
167 if (curPos == 3 && lastRotPosition == 2) { rotation++; }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
168 if (curPos == 2 && lastRotPosition == 3) { rotation--; }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
169 if (curPos == 2 && lastRotPosition == 0) { rotation++; }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
170
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
171 lastRotPosition = curPos;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
172
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
173 int inb = Serial.read();
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
174 if (inb == -1) {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
175 return;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
176 }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
177 if (inb == 0xff) {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
178 addr = -1;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
179 return;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
180 }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
181 if (addr == -1) {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
182 if (inb == 0xfe) {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
183 #if TEMP_ENABLED
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
184 sensors.requestTemperatures();
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
185 float tempF = sensors.getTempF(tempSensorAddress);
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
186 Serial.print(tempF);
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
187 Serial.print("\n");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
188 #endif
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
189 addr = -1;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
190 return;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
191 }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
192 if (inb == 0xfb) {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
193 if (barcode.available() < 1) {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
194 Serial.print("{\"barcode\":\"\"}\n");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
195 } else {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
196 Serial.print("{\"barcode\":\"");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
197 char last=1;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
198 while (barcode.available() > 0) {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
199 last = barcode.read();
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
200 Serial.print((int)last);
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
201 Serial.print(" ");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
202 }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
203 Serial.print("\"}\n");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
204 }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
205 return;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
206 }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
207 if (inb == 0xfc) {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
208 barcode.write("\x1b\x54\x0d");// beep
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
209 barcode.write("\x1b\x3f\x0d"); // requisition
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
210 Serial.print("{\"ok\":1}\n");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
211 }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
212
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
213 if (inb == 0xfd) {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
214 // read ariremote buttons, where some buttons are combined on
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
215 // the same pins
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
216 digitalWrite(5, HIGH); Serial.print(digitalRead(5));
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
217 Serial.print(" ");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
218 digitalWrite(5, LOW); Serial.print(!digitalRead(5));
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
219 Serial.print(" ");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
220 digitalWrite(7, HIGH); Serial.print(digitalRead(7));
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
221 Serial.print(" ");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
222 digitalWrite(7, LOW); Serial.print(!digitalRead(7));
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
223 Serial.print(" ");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
224 Serial.print(!digitalRead(6));
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
225 Serial.print(" ");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
226 Serial.print((int)rotation);
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
227 Serial.print("\n");
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
228 }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
229 currentChans = inb;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
230 addr = 0;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
231 return;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
232 }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
233
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
234 vals[addr] = inb * 4; // SB levels are 10-bit. log scale might be better
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
235 addr ++;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
236 if (addr >= currentChans * 3) {
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
237 refresh();
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
238 addr = 0;
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
239 }
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
240
a422d875d94d barcode support on star. triggers mpd song
drewp <drewp@bigasterisk.com>
parents:
diff changeset
241 }