Toby Harris / Mbed 2 deprecated SPK-DMXer

Uses *spark d-fuser controller hardware as a USB-DMX interface. Developed for visualising Laurel Pardue’s augmented violin with lights.

Dependencies:   DMX mbed spk_oled_ssd1305

main.cpp@1:f0cc153fe8d3, 2015-05-13 (annotated)

Committer:
tobyspark
Date:
Wed May 13 18:35:06 2015 +0000
Revision:
1:f0cc153fe8d3
Parent:
0:59b1d685427c
Child:
2:24d9b7a3073c
c++ string to c buffer

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tobyspark 0:59b1d685427c 1 #include "mbed.h"
tobyspark 0:59b1d685427c 2 #include "DMX.h"
tobyspark 0:59b1d685427c 3 #include "spk_oled_ssd1305.h"
tobyspark 0:59b1d685427c 4 #include "spk_oled_gfx.h"
tobyspark 0:59b1d685427c 5
tobyspark 1:f0cc153fe8d3 6 // https://developer.mbed.org/forum/mbed/post/4526/
tobyspark 1:f0cc153fe8d3 7 // 110, 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200, 230400, 460800, 921600
tobyspark 0:59b1d685427c 8 #define kUSB_BAUD 57600
tobyspark 0:59b1d685427c 9
tobyspark 0:59b1d685427c 10 // MBED PINS
tobyspark 0:59b1d685427c 11
tobyspark 0:59b1d685427c 12 #define kMBED_AIN_XFADE p20
tobyspark 0:59b1d685427c 13 #define kMBED_AIN_FADEUP p19
tobyspark 0:59b1d685427c 14 #define kMBED_DIN_TAP_L p24
tobyspark 0:59b1d685427c 15 #define kMBED_DIN_TAP_R p23
tobyspark 0:59b1d685427c 16 #define kMBED_ENC_SW p15
tobyspark 0:59b1d685427c 17 #define kMBED_ENC_A p16
tobyspark 0:59b1d685427c 18 #define kMBED_ENC_B p17
tobyspark 0:59b1d685427c 19
tobyspark 0:59b1d685427c 20 #define kMBED_RS232_TTLTX p13
tobyspark 0:59b1d685427c 21 #define kMBED_RS232_TTLRX p14
tobyspark 0:59b1d685427c 22
tobyspark 0:59b1d685427c 23 #define kMBED_OLED_MOSI p5
tobyspark 0:59b1d685427c 24 #define kMBED_OLED_SCK p7
tobyspark 0:59b1d685427c 25 #define kMBED_OLED_CS p8
tobyspark 0:59b1d685427c 26 #define kMBED_OLED_RES p9
tobyspark 0:59b1d685427c 27 #define kMBED_OLED_DC p10
tobyspark 0:59b1d685427c 28
tobyspark 0:59b1d685427c 29 #define kMBED_DIN_ETHLO_DMXHI p30
tobyspark 0:59b1d685427c 30 #define kMBED_DOUT_RS485_TXHI_RXLO p29
tobyspark 0:59b1d685427c 31 #define kMBED_RS485_TTLTX p28
tobyspark 0:59b1d685427c 32 #define kMBED_RS485_TTLRX p27
tobyspark 0:59b1d685427c 33
tobyspark 0:59b1d685427c 34 // DMX Fixtures
tobyspark 0:59b1d685427c 35
tobyspark 0:59b1d685427c 36 #define kDMX_PARCAN_1 4
tobyspark 0:59b1d685427c 37 #define kDMX_PARCAN_2 8
tobyspark 0:59b1d685427c 38 #define kDMX_PARCAN_3 12
tobyspark 0:59b1d685427c 39 #define kDMX_PARCAN_4 16
tobyspark 0:59b1d685427c 40
tobyspark 0:59b1d685427c 41 #define kDMX_PARCAN_R 0
tobyspark 0:59b1d685427c 42 #define kDMX_PARCAN_G 1
tobyspark 0:59b1d685427c 43 #define kDMX_PARCAN_B 2
tobyspark 0:59b1d685427c 44 #define kDMX_PARCAN_LUMA 3
tobyspark 0:59b1d685427c 45
tobyspark 0:59b1d685427c 46 // MISC Defines
tobyspark 0:59b1d685427c 47
tobyspark 0:59b1d685427c 48 #define kStringBufferLength 30
tobyspark 1:f0cc153fe8d3 49 #define kUSBSerialBufferLength 256
tobyspark 0:59b1d685427c 50
tobyspark 0:59b1d685427c 51 //// USB Serial
tobyspark 0:59b1d685427c 52
tobyspark 0:59b1d685427c 53 Serial usbSerial(USBTX, USBRX);
tobyspark 0:59b1d685427c 54
tobyspark 0:59b1d685427c 55 //// DMX
tobyspark 0:59b1d685427c 56
tobyspark 0:59b1d685427c 57 DigitalIn rj45ModeDIN(kMBED_DIN_ETHLO_DMXHI);
tobyspark 0:59b1d685427c 58 DigitalOut dmxDirectionDOUT(kMBED_DOUT_RS485_TXHI_RXLO);
tobyspark 0:59b1d685427c 59 enum { rj45Ethernet = 0, rj45DMX = 1}; // These values from circuit
tobyspark 0:59b1d685427c 60
tobyspark 0:59b1d685427c 61 DMX dmx(kMBED_RS485_TTLTX, kMBED_RS485_TTLRX);
tobyspark 0:59b1d685427c 62
tobyspark 0:59b1d685427c 63 //// Display
tobyspark 0:59b1d685427c 64
tobyspark 0:59b1d685427c 65 // SPKDisplay(PinName mosi, PinName clk, PinName cs, PinName dc, PinName res, Serial *debugSerial = NULL);
tobyspark 0:59b1d685427c 66 SPKDisplay screen(kMBED_OLED_MOSI, kMBED_OLED_SCK, kMBED_OLED_CS, kMBED_OLED_DC, kMBED_OLED_RES, NULL);
tobyspark 0:59b1d685427c 67
tobyspark 0:59b1d685427c 68 //// mbed input
tobyspark 0:59b1d685427c 69
tobyspark 0:59b1d685427c 70 DigitalIn button(kMBED_DIN_TAP_L);
tobyspark 0:59b1d685427c 71 bool buttonLastState;
tobyspark 0:59b1d685427c 72
tobyspark 1:f0cc153fe8d3 73 char usbSerialBuffer[kUSBSerialBufferLength];
tobyspark 1:f0cc153fe8d3 74 int usbSerialBufferPosition = 0;
tobyspark 0:59b1d685427c 75 bool newData = false;
tobyspark 0:59b1d685427c 76
tobyspark 0:59b1d685427c 77 //// LAUREL VIOLIN DATA
tobyspark 0:59b1d685427c 78
tobyspark 0:59b1d685427c 79 // [T: A, B] - T = timestamp. A is the time count (in minutes or something. Not presently very useful), B is sample count. I can change what is creating the stamp. Also, as I'm using sample count, this is only useful/changes when I record.
tobyspark 0:59b1d685427c 80 int TA, TB;
tobyspark 0:59b1d685427c 81
tobyspark 0:59b1d685427c 82 // [P: A, B] - P = pitch. A is hardware estimate- i.e the pitch estimate that is determined solely from the fingerboard data. B is the combined hardware + audio data (more accurate, slightly slower). -1 = no data/not confident enough to estimate
tobyspark 0:59b1d685427c 83 float P1A, P1B, P2A, P2B, P3A, P3B, P4A, P4B;
tobyspark 0:59b1d685427c 84
tobyspark 0:59b1d685427c 85 // [S: A] = signal strength. A is RMS of audio signal in the buffer.
tobyspark 0:59b1d685427c 86 float S1, S2, S3, S4;
tobyspark 0:59b1d685427c 87
tobyspark 0:59b1d685427c 88 // [F: A, B, C, D] = finger on string raw data. generally ranges 1 (no contact) to like .4, 1 being no string down, .9 being low pitch near nut, .4 higher up in pitch closer to the bridge. A is G string (i think)
tobyspark 0:59b1d685427c 89 float F1, F2, F3, F4;
tobyspark 0:59b1d685427c 90
tobyspark 0:59b1d685427c 91 // [B: A, B, C, D] = raw bow data, A is sensor closest to frog, D closest to tip.
tobyspark 0:59b1d685427c 92 float B1, B2, B3, B4;
tobyspark 0:59b1d685427c 93
tobyspark 0:59b1d685427c 94 // [E: A, B, C] = bow Estimate. (currently broken) This should be A - pos estimate (0 to 1 normalized frog to tip), B- pressure (0 -400?) and C- on string/off (0, 1 if B is > 40) 0 for A/B means it isn't ready to estimate. -1 means bow off string.
tobyspark 0:59b1d685427c 95 float EA, EB;
tobyspark 0:59b1d685427c 96 int EC;
tobyspark 0:59b1d685427c 97
tobyspark 0:59b1d685427c 98 // TOBY VIOLIN EXTRAS
tobyspark 0:59b1d685427c 99
tobyspark 0:59b1d685427c 100 float sMax = 0.2;
tobyspark 0:59b1d685427c 101 float sMultiplier = 255.0/sMax;
tobyspark 0:59b1d685427c 102
tobyspark 0:59b1d685427c 103 void usbSerialReceive(void)
tobyspark 0:59b1d685427c 104 {
tobyspark 0:59b1d685427c 105 char receivedChar;
tobyspark 0:59b1d685427c 106
tobyspark 0:59b1d685427c 107 //if data is ready in the buffer
tobyspark 0:59b1d685427c 108 while (usbSerial.readable())
tobyspark 0:59b1d685427c 109 {
tobyspark 0:59b1d685427c 110 receivedChar = usbSerial.getc();
tobyspark 0:59b1d685427c 111
tobyspark 0:59b1d685427c 112 // Is end of line?
tobyspark 0:59b1d685427c 113 if (receivedChar == '\n' || receivedChar == '\r')
tobyspark 0:59b1d685427c 114 {
tobyspark 0:59b1d685427c 115 // [T: 352, 16896000],[P: 196, -1, 196, -1, 196, -1, 196, -1],[S: 0, 0, 0, 0],[F: 1, 1, 1, 1],[B: 0.5346, 0.5781, 0.9043, 0.9029],[E: 0, 0, 0]
tobyspark 0:59b1d685427c 116 int scanCount;
tobyspark 0:59b1d685427c 117 // scanCount = sscanf(
tobyspark 0:59b1d685427c 118 // usbSerialString.c_str(),
tobyspark 0:59b1d685427c 119 // "[T: %d, %d],[P: %f, %f, %f, %f, %f, %f, %f, %f],[S: %f, %f, %f, %f],[F: %f, %f, %f, %f],[B: %f, %f, %f, %f],[E: %f, %f, %d]",
tobyspark 0:59b1d685427c 120 // &TA, &TB, &P1A, &P1B, &P2A, &P2B, &P3A, &P3B, &P4A, &P4B, &S1, &S2, &S3, &S4, &F1, &F2, &F3, &F4, &B1, &B2, &B3, &B4, &EA, &EB, &EC
tobyspark 0:59b1d685427c 121 // );
tobyspark 0:59b1d685427c 122 // if (scanCount == 25)
tobyspark 0:59b1d685427c 123 scanCount = sscanf(
tobyspark 1:f0cc153fe8d3 124 usbSerialBuffer,
tobyspark 0:59b1d685427c 125 "[S: %f, %f, %f, %f],[E: %f, %f, %d]",
tobyspark 0:59b1d685427c 126 &S1, &S2, &S3, &S4, &EA, &EB, &EC
tobyspark 0:59b1d685427c 127 );
tobyspark 0:59b1d685427c 128
tobyspark 0:59b1d685427c 129 if (scanCount == 7)
tobyspark 0:59b1d685427c 130 {
tobyspark 0:59b1d685427c 131 newData = true;
tobyspark 0:59b1d685427c 132 }
tobyspark 0:59b1d685427c 133 else
tobyspark 0:59b1d685427c 134 {
tobyspark 0:59b1d685427c 135 screen.textToBuffer("Read vars failed", 6);
tobyspark 0:59b1d685427c 136 }
tobyspark 0:59b1d685427c 137
tobyspark 0:59b1d685427c 138 // Clear to start again
tobyspark 1:f0cc153fe8d3 139 usbSerialBufferPosition = 0;
tobyspark 0:59b1d685427c 140 }
tobyspark 1:f0cc153fe8d3 141 else if (usbSerialBufferPosition < kUSBSerialBufferLength)
tobyspark 0:59b1d685427c 142 {
tobyspark 0:59b1d685427c 143 // Build string up
tobyspark 1:f0cc153fe8d3 144 usbSerialBuffer[usbSerialBufferPosition++] = receivedChar;
tobyspark 1:f0cc153fe8d3 145 usbSerialBuffer[usbSerialBufferPosition] = 0;
tobyspark 0:59b1d685427c 146
tobyspark 1:f0cc153fe8d3 147 screen.textToBuffer(usbSerialBuffer,4);
tobyspark 0:59b1d685427c 148 }
tobyspark 0:59b1d685427c 149 }
tobyspark 0:59b1d685427c 150 }
tobyspark 0:59b1d685427c 151
tobyspark 0:59b1d685427c 152 //// M A I N
tobyspark 0:59b1d685427c 153 int main() {
tobyspark 0:59b1d685427c 154
tobyspark 0:59b1d685427c 155 // Set display font
tobyspark 0:59b1d685427c 156 screen.fontStartCharacter = &characterBytesStartChar;
tobyspark 0:59b1d685427c 157 screen.fontEndCharacter = &characterBytesEndChar;
tobyspark 0:59b1d685427c 158 screen.fontCharacters = characterBytes;
tobyspark 0:59b1d685427c 159
tobyspark 0:59b1d685427c 160 // Splash screen
tobyspark 0:59b1d685427c 161 screen.imageToBuffer(spkDisplayLogo);
tobyspark 0:59b1d685427c 162 screen.textToBuffer("SPK:DMXer",0);
tobyspark 0:59b1d685427c 163 screen.textToBuffer("FRATRES 2015",1);
tobyspark 0:59b1d685427c 164 screen.textToBuffer("SW v01",2);
tobyspark 0:59b1d685427c 165 screen.sendBuffer();
tobyspark 0:59b1d685427c 166
tobyspark 0:59b1d685427c 167 if (rj45ModeDIN == rj45DMX) screen.textToBuffer("RJ45: DMX Mode", 3);
tobyspark 0:59b1d685427c 168 else screen.textToBuffer("RJ45: Ethernet Mode", 3);
tobyspark 0:59b1d685427c 169 screen.sendBuffer();
tobyspark 0:59b1d685427c 170
tobyspark 0:59b1d685427c 171 dmxDirectionDOUT = 1;
tobyspark 0:59b1d685427c 172 dmx.start();
tobyspark 0:59b1d685427c 173
tobyspark 0:59b1d685427c 174 // unsigned char parCanData[4];
tobyspark 0:59b1d685427c 175 // parCanData[kDMX_PARCAN_R] = 255;
tobyspark 0:59b1d685427c 176 // parCanData[kDMX_PARCAN_G] = 255;
tobyspark 0:59b1d685427c 177 // parCanData[kDMX_PARCAN_B] = 255;
tobyspark 0:59b1d685427c 178 // parCanData[kDMX_PARCAN_LUMA] = 0;
tobyspark 0:59b1d685427c 179 // dmx.put(parCanData, kDMX_PARCAN_1, 4);
tobyspark 0:59b1d685427c 180 // dmx.put(parCanData, kDMX_PARCAN_2, 4);
tobyspark 0:59b1d685427c 181 // dmx.put(parCanData, kDMX_PARCAN_3, 4);
tobyspark 0:59b1d685427c 182 // dmx.put(parCanData, kDMX_PARCAN_4, 4);
tobyspark 0:59b1d685427c 183
tobyspark 0:59b1d685427c 184 dmx.put(kDMX_PARCAN_1+kDMX_PARCAN_R, 255);
tobyspark 0:59b1d685427c 185 dmx.put(kDMX_PARCAN_1+kDMX_PARCAN_G, 255);
tobyspark 0:59b1d685427c 186 dmx.put(kDMX_PARCAN_1+kDMX_PARCAN_B, 255);
tobyspark 0:59b1d685427c 187 dmx.put(kDMX_PARCAN_1+kDMX_PARCAN_LUMA, 0);
tobyspark 0:59b1d685427c 188
tobyspark 0:59b1d685427c 189 dmx.put(kDMX_PARCAN_2+kDMX_PARCAN_R, 255);
tobyspark 0:59b1d685427c 190 dmx.put(kDMX_PARCAN_2+kDMX_PARCAN_G, 255);
tobyspark 0:59b1d685427c 191 dmx.put(kDMX_PARCAN_2+kDMX_PARCAN_B, 255);
tobyspark 0:59b1d685427c 192 dmx.put(kDMX_PARCAN_2+kDMX_PARCAN_LUMA, 0);
tobyspark 0:59b1d685427c 193
tobyspark 0:59b1d685427c 194 dmx.put(kDMX_PARCAN_3+kDMX_PARCAN_R, 255);
tobyspark 0:59b1d685427c 195 dmx.put(kDMX_PARCAN_3+kDMX_PARCAN_G, 255);
tobyspark 0:59b1d685427c 196 dmx.put(kDMX_PARCAN_3+kDMX_PARCAN_B, 255);
tobyspark 0:59b1d685427c 197 dmx.put(kDMX_PARCAN_3+kDMX_PARCAN_LUMA, 0);
tobyspark 0:59b1d685427c 198
tobyspark 0:59b1d685427c 199 dmx.put(kDMX_PARCAN_4+kDMX_PARCAN_R, 255);
tobyspark 0:59b1d685427c 200 dmx.put(kDMX_PARCAN_4+kDMX_PARCAN_G, 255);
tobyspark 0:59b1d685427c 201 dmx.put(kDMX_PARCAN_4+kDMX_PARCAN_B, 255);
tobyspark 0:59b1d685427c 202 dmx.put(kDMX_PARCAN_4+kDMX_PARCAN_LUMA, 0);
tobyspark 0:59b1d685427c 203
tobyspark 0:59b1d685427c 204 //// Serial
tobyspark 0:59b1d685427c 205 usbSerial.baud(kUSB_BAUD);
tobyspark 0:59b1d685427c 206 usbSerial.attach(usbSerialReceive);
tobyspark 0:59b1d685427c 207
tobyspark 0:59b1d685427c 208 //// TASK: Prime button change detection
tobyspark 0:59b1d685427c 209 buttonLastState = button;
tobyspark 0:59b1d685427c 210
tobyspark 0:59b1d685427c 211 //// TASK: GO!
tobyspark 0:59b1d685427c 212
tobyspark 0:59b1d685427c 213 // We've finished setting up, now loop this forever...
tobyspark 0:59b1d685427c 214 while (true)
tobyspark 0:59b1d685427c 215 {
tobyspark 0:59b1d685427c 216 if (newData)
tobyspark 0:59b1d685427c 217 {
tobyspark 0:59b1d685427c 218 char S1DMX = S1 * sMultiplier;
tobyspark 0:59b1d685427c 219 char S2DMX = S2 * sMultiplier;
tobyspark 0:59b1d685427c 220 char S3DMX = S3 * sMultiplier;
tobyspark 0:59b1d685427c 221 char S4DMX = S4 * sMultiplier;
tobyspark 0:59b1d685427c 222 dmx.put(kDMX_PARCAN_1+kDMX_PARCAN_LUMA, S1DMX);
tobyspark 0:59b1d685427c 223 dmx.put(kDMX_PARCAN_2+kDMX_PARCAN_LUMA, S2DMX);
tobyspark 0:59b1d685427c 224 dmx.put(kDMX_PARCAN_3+kDMX_PARCAN_LUMA, S3DMX);
tobyspark 0:59b1d685427c 225 dmx.put(kDMX_PARCAN_4+kDMX_PARCAN_LUMA, S4DMX);
tobyspark 0:59b1d685427c 226
tobyspark 0:59b1d685427c 227 char dmxSummary[kStringBufferLength];
tobyspark 0:59b1d685427c 228 snprintf(dmxSummary, kStringBufferLength, "S %03u %03u %03u %03u", S1DMX, S2DMX, S3DMX, S4DMX);
tobyspark 0:59b1d685427c 229 screen.textToBuffer(dmxSummary,6);
tobyspark 0:59b1d685427c 230
tobyspark 0:59b1d685427c 231 newData = false;
tobyspark 0:59b1d685427c 232 }
tobyspark 0:59b1d685427c 233
tobyspark 0:59b1d685427c 234 // Has the button changed?
tobyspark 0:59b1d685427c 235 if (button != buttonLastState) {
tobyspark 0:59b1d685427c 236 // If so, lets update the lastState variable and then send an OSC message
tobyspark 0:59b1d685427c 237 buttonLastState = button;
tobyspark 0:59b1d685427c 238
tobyspark 0:59b1d685427c 239 if (button) screen.textToBuffer("Sent: /mbed/button 1",5);
tobyspark 0:59b1d685427c 240 else screen.textToBuffer("Sent: /mbed/button 0",5);
tobyspark 0:59b1d685427c 241 }
tobyspark 0:59b1d685427c 242
tobyspark 0:59b1d685427c 243 // for (int i = 0; i<256; i++)
tobyspark 0:59b1d685427c 244 // {
tobyspark 0:59b1d685427c 245 // for (int j = 0; j<256; j++)
tobyspark 0:59b1d685427c 246 // {
tobyspark 0:59b1d685427c 247 // dmx.put(j, i);
tobyspark 0:59b1d685427c 248 // }
tobyspark 0:59b1d685427c 249 // wait(0.01);
tobyspark 0:59b1d685427c 250 // }
tobyspark 0:59b1d685427c 251
tobyspark 0:59b1d685427c 252 screen.sendBuffer();
tobyspark 0:59b1d685427c 253 }
tobyspark 0:59b1d685427c 254 }