Radio Junk Box
/
KMAUI_USBMIDI-CV_Example
KAMUI USB MIDI-CV Example
main.cpp@0:9ddbc6e0cd90, 2012-05-05 (annotated)
- Committer:
- radiojunkbox
- Date:
- Sat May 05 11:36:56 2012 +0000
- Revision:
- 0:9ddbc6e0cd90
Rev. 1.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
radiojunkbox | 0:9ddbc6e0cd90 | 1 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 2 | // KAMUI USBMIDI-CV Exapmple |
radiojunkbox | 0:9ddbc6e0cd90 | 3 | // Copyright (C) 2012 RJB RadioJunkBox |
radiojunkbox | 0:9ddbc6e0cd90 | 4 | // Released under the MIT License: http://mbed.org/license/mit |
radiojunkbox | 0:9ddbc6e0cd90 | 5 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 6 | |
radiojunkbox | 0:9ddbc6e0cd90 | 7 | #include "mbed.h" |
radiojunkbox | 0:9ddbc6e0cd90 | 8 | #include "TextLCD.h" |
radiojunkbox | 0:9ddbc6e0cd90 | 9 | #include "USBMIDI.h" |
radiojunkbox | 0:9ddbc6e0cd90 | 10 | #include <stdlib.h> |
radiojunkbox | 0:9ddbc6e0cd90 | 11 | #include <math.h> |
radiojunkbox | 0:9ddbc6e0cd90 | 12 | |
radiojunkbox | 0:9ddbc6e0cd90 | 13 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 14 | // Define |
radiojunkbox | 0:9ddbc6e0cd90 | 15 | |
radiojunkbox | 0:9ddbc6e0cd90 | 16 | #define AD5551 // 14bitDAC |
radiojunkbox | 0:9ddbc6e0cd90 | 17 | |
radiojunkbox | 0:9ddbc6e0cd90 | 18 | #define SPI_RATE 1000000 // 1Mbps |
radiojunkbox | 0:9ddbc6e0cd90 | 19 | #define MIDI_RATE 31250 // 31.25kbps |
radiojunkbox | 0:9ddbc6e0cd90 | 20 | #define BEEP_FREQ 1760.0 // 1760Hz |
radiojunkbox | 0:9ddbc6e0cd90 | 21 | #define UPDATE_INTERVAL 100 // 100us |
radiojunkbox | 0:9ddbc6e0cd90 | 22 | #define SW_WATCH_INTERVAL (25000/UPDATE_INTERVAL) // 25ms |
radiojunkbox | 0:9ddbc6e0cd90 | 23 | #define PARAM_GLIDE 6554.0 |
radiojunkbox | 0:9ddbc6e0cd90 | 24 | #define PARAM_DP 6912.0 // UPDATE_INTERVAL = 100us |
radiojunkbox | 0:9ddbc6e0cd90 | 25 | //#define PARAM_DP 8192.0 // UPDATE_INTERVAL = 50us |
radiojunkbox | 0:9ddbc6e0cd90 | 26 | |
radiojunkbox | 0:9ddbc6e0cd90 | 27 | #define UPDATE_MODE0 0 // Update Interval CV ch1-6 1200us, ch7,8 400us |
radiojunkbox | 0:9ddbc6e0cd90 | 28 | #define UPDATE_MODE1 1 // Update Interval CV ch1-6 N/A, ch7,8 200us |
radiojunkbox | 0:9ddbc6e0cd90 | 29 | |
radiojunkbox | 0:9ddbc6e0cd90 | 30 | #define GATE1 0x01 |
radiojunkbox | 0:9ddbc6e0cd90 | 31 | #define GATE2 0x02 |
radiojunkbox | 0:9ddbc6e0cd90 | 32 | #define GATE3 0x04 |
radiojunkbox | 0:9ddbc6e0cd90 | 33 | #define GATE4 0x08 |
radiojunkbox | 0:9ddbc6e0cd90 | 34 | #define GATE_LED5 0x10 |
radiojunkbox | 0:9ddbc6e0cd90 | 35 | |
radiojunkbox | 0:9ddbc6e0cd90 | 36 | #define SYNC1CLK 0x01 |
radiojunkbox | 0:9ddbc6e0cd90 | 37 | #define SYNC1RUN 0x02 |
radiojunkbox | 0:9ddbc6e0cd90 | 38 | #define SYNC2CLK 0x04 |
radiojunkbox | 0:9ddbc6e0cd90 | 39 | #define SYNC2RUN 0x08 |
radiojunkbox | 0:9ddbc6e0cd90 | 40 | |
radiojunkbox | 0:9ddbc6e0cd90 | 41 | #define MODE_CV 0x00 |
radiojunkbox | 0:9ddbc6e0cd90 | 42 | #define MODE_GATE 0x40 |
radiojunkbox | 0:9ddbc6e0cd90 | 43 | #define MODE_SYNC 0x80 |
radiojunkbox | 0:9ddbc6e0cd90 | 44 | #define MODE_SET_SYNC 0xC0 |
radiojunkbox | 0:9ddbc6e0cd90 | 45 | |
radiojunkbox | 0:9ddbc6e0cd90 | 46 | #define SW1 0x01 |
radiojunkbox | 0:9ddbc6e0cd90 | 47 | #define SW2 0x02 |
radiojunkbox | 0:9ddbc6e0cd90 | 48 | #define SW3 0x04 |
radiojunkbox | 0:9ddbc6e0cd90 | 49 | #define SW4 0x08 |
radiojunkbox | 0:9ddbc6e0cd90 | 50 | #define SYNC1CLK_IN 0x10 |
radiojunkbox | 0:9ddbc6e0cd90 | 51 | #define SYNC1RUN_IN 0x20 |
radiojunkbox | 0:9ddbc6e0cd90 | 52 | #define SYNC2CLK_IN 0x40 |
radiojunkbox | 0:9ddbc6e0cd90 | 53 | #define GATE_IN 0x80 |
radiojunkbox | 0:9ddbc6e0cd90 | 54 | |
radiojunkbox | 0:9ddbc6e0cd90 | 55 | #define _ENABLE 0 |
radiojunkbox | 0:9ddbc6e0cd90 | 56 | #define _DISABLE 1 |
radiojunkbox | 0:9ddbc6e0cd90 | 57 | |
radiojunkbox | 0:9ddbc6e0cd90 | 58 | #define BUFSIZE 32 // size of ring buffer (ex 4,8,16,32...) |
radiojunkbox | 0:9ddbc6e0cd90 | 59 | #define LFO_WF_TRI 0 |
radiojunkbox | 0:9ddbc6e0cd90 | 60 | #define LFO_WF_SQR 1 |
radiojunkbox | 0:9ddbc6e0cd90 | 61 | #define LFO_WF_SAW 2 |
radiojunkbox | 0:9ddbc6e0cd90 | 62 | #define LFO_WF_NONE 3 |
radiojunkbox | 0:9ddbc6e0cd90 | 63 | #define MINIMUMNOTE 12 |
radiojunkbox | 0:9ddbc6e0cd90 | 64 | #define SYNC_TURN_TIME (5000/UPDATE_INTERVAL) // 5ms |
radiojunkbox | 0:9ddbc6e0cd90 | 65 | |
radiojunkbox | 0:9ddbc6e0cd90 | 66 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 67 | // Functions |
radiojunkbox | 0:9ddbc6e0cd90 | 68 | |
radiojunkbox | 0:9ddbc6e0cd90 | 69 | void InitKamui(void); |
radiojunkbox | 0:9ddbc6e0cd90 | 70 | void UpdateCV(void); |
radiojunkbox | 0:9ddbc6e0cd90 | 71 | unsigned char CheckSW(unsigned char); |
radiojunkbox | 0:9ddbc6e0cd90 | 72 | |
radiojunkbox | 0:9ddbc6e0cd90 | 73 | void RcvMIDI(void); |
radiojunkbox | 0:9ddbc6e0cd90 | 74 | void RcvUSBMIDI(MIDIMessage); |
radiojunkbox | 0:9ddbc6e0cd90 | 75 | void MidiCV(void); |
radiojunkbox | 0:9ddbc6e0cd90 | 76 | void CalcHzVTbl(void); |
radiojunkbox | 0:9ddbc6e0cd90 | 77 | unsigned short OctVtoHzV(unsigned short); |
radiojunkbox | 0:9ddbc6e0cd90 | 78 | void DinSync(void); |
radiojunkbox | 0:9ddbc6e0cd90 | 79 | extern void MIDI_Parser(unsigned char); |
radiojunkbox | 0:9ddbc6e0cd90 | 80 | |
radiojunkbox | 0:9ddbc6e0cd90 | 81 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 82 | // Global Variables |
radiojunkbox | 0:9ddbc6e0cd90 | 83 | |
radiojunkbox | 0:9ddbc6e0cd90 | 84 | int gUpdateMode; |
radiojunkbox | 0:9ddbc6e0cd90 | 85 | unsigned short gCV[8]; |
radiojunkbox | 0:9ddbc6e0cd90 | 86 | unsigned char gGATE; |
radiojunkbox | 0:9ddbc6e0cd90 | 87 | unsigned char gSYNC; |
radiojunkbox | 0:9ddbc6e0cd90 | 88 | unsigned char gSW; |
radiojunkbox | 0:9ddbc6e0cd90 | 89 | |
radiojunkbox | 0:9ddbc6e0cd90 | 90 | union { |
radiojunkbox | 0:9ddbc6e0cd90 | 91 | unsigned short WORD; |
radiojunkbox | 0:9ddbc6e0cd90 | 92 | struct { |
radiojunkbox | 0:9ddbc6e0cd90 | 93 | unsigned char L; |
radiojunkbox | 0:9ddbc6e0cd90 | 94 | unsigned char H; |
radiojunkbox | 0:9ddbc6e0cd90 | 95 | } BYTE; |
radiojunkbox | 0:9ddbc6e0cd90 | 96 | } gDAC; |
radiojunkbox | 0:9ddbc6e0cd90 | 97 | |
radiojunkbox | 0:9ddbc6e0cd90 | 98 | int gPtr_buf_in, gPtr_buf_out; |
radiojunkbox | 0:9ddbc6e0cd90 | 99 | unsigned char gRxBuf[BUFSIZE]; |
radiojunkbox | 0:9ddbc6e0cd90 | 100 | |
radiojunkbox | 0:9ddbc6e0cd90 | 101 | float gGLIDE[4]; |
radiojunkbox | 0:9ddbc6e0cd90 | 102 | unsigned short gLFO_DP[4]; |
radiojunkbox | 0:9ddbc6e0cd90 | 103 | unsigned char gLFO_FORM[4]; |
radiojunkbox | 0:9ddbc6e0cd90 | 104 | unsigned char gMIDI_CH[4]; |
radiojunkbox | 0:9ddbc6e0cd90 | 105 | short gTblHzV[3072]; |
radiojunkbox | 0:9ddbc6e0cd90 | 106 | |
radiojunkbox | 0:9ddbc6e0cd90 | 107 | extern unsigned char gPlayNoteBuf[]; |
radiojunkbox | 0:9ddbc6e0cd90 | 108 | extern unsigned char gGateBuf[]; |
radiojunkbox | 0:9ddbc6e0cd90 | 109 | extern unsigned char gPitchBendBuf[]; |
radiojunkbox | 0:9ddbc6e0cd90 | 110 | extern unsigned char gModWheelBuf[]; |
radiojunkbox | 0:9ddbc6e0cd90 | 111 | extern unsigned char gMIDISYNC_CLK; |
radiojunkbox | 0:9ddbc6e0cd90 | 112 | extern unsigned char gMIDISYNC_RUN; |
radiojunkbox | 0:9ddbc6e0cd90 | 113 | |
radiojunkbox | 0:9ddbc6e0cd90 | 114 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 115 | // mbed Functions |
radiojunkbox | 0:9ddbc6e0cd90 | 116 | |
radiojunkbox | 0:9ddbc6e0cd90 | 117 | // TextLCD |
radiojunkbox | 0:9ddbc6e0cd90 | 118 | TextLCD gLCD(p23, p24, p25, p26, p29, p30); // rs, e, d4-d7 |
radiojunkbox | 0:9ddbc6e0cd90 | 119 | |
radiojunkbox | 0:9ddbc6e0cd90 | 120 | // SPI |
radiojunkbox | 0:9ddbc6e0cd90 | 121 | SPI gSPI(p11,p12,p13); |
radiojunkbox | 0:9ddbc6e0cd90 | 122 | DigitalOut gCSA(p14); |
radiojunkbox | 0:9ddbc6e0cd90 | 123 | DigitalOut gCSB(p22); |
radiojunkbox | 0:9ddbc6e0cd90 | 124 | |
radiojunkbox | 0:9ddbc6e0cd90 | 125 | // Sirial MIDI |
radiojunkbox | 0:9ddbc6e0cd90 | 126 | // Serial gMIDI(p9,p10); |
radiojunkbox | 0:9ddbc6e0cd90 | 127 | |
radiojunkbox | 0:9ddbc6e0cd90 | 128 | // AnalogIn |
radiojunkbox | 0:9ddbc6e0cd90 | 129 | AnalogIn gAIN1(p15); // VR1 |
radiojunkbox | 0:9ddbc6e0cd90 | 130 | AnalogIn gAIN2(p16); // VR2 |
radiojunkbox | 0:9ddbc6e0cd90 | 131 | AnalogIn gAIN3(p17); // VR3 |
radiojunkbox | 0:9ddbc6e0cd90 | 132 | AnalogIn gAIN4(p18); // VR4 |
radiojunkbox | 0:9ddbc6e0cd90 | 133 | AnalogIn gAIN5(p19); // IN1 |
radiojunkbox | 0:9ddbc6e0cd90 | 134 | AnalogIn gAIN6(p20); // IN2 |
radiojunkbox | 0:9ddbc6e0cd90 | 135 | |
radiojunkbox | 0:9ddbc6e0cd90 | 136 | // BEEP |
radiojunkbox | 0:9ddbc6e0cd90 | 137 | PwmOut gBEEP(p21); |
radiojunkbox | 0:9ddbc6e0cd90 | 138 | |
radiojunkbox | 0:9ddbc6e0cd90 | 139 | // LED |
radiojunkbox | 0:9ddbc6e0cd90 | 140 | DigitalOut gLED1(LED1); |
radiojunkbox | 0:9ddbc6e0cd90 | 141 | DigitalOut gLED2(LED2); |
radiojunkbox | 0:9ddbc6e0cd90 | 142 | DigitalOut gLED3(LED3); |
radiojunkbox | 0:9ddbc6e0cd90 | 143 | DigitalOut gLED4(LED4); |
radiojunkbox | 0:9ddbc6e0cd90 | 144 | BusOut gLEDS(LED1,LED2,LED3,LED4); |
radiojunkbox | 0:9ddbc6e0cd90 | 145 | |
radiojunkbox | 0:9ddbc6e0cd90 | 146 | // Ticker |
radiojunkbox | 0:9ddbc6e0cd90 | 147 | Ticker gTICKER; |
radiojunkbox | 0:9ddbc6e0cd90 | 148 | |
radiojunkbox | 0:9ddbc6e0cd90 | 149 | //USBMIDI object |
radiojunkbox | 0:9ddbc6e0cd90 | 150 | USBMIDI gUSBMIDI; |
radiojunkbox | 0:9ddbc6e0cd90 | 151 | |
radiojunkbox | 0:9ddbc6e0cd90 | 152 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 153 | // main |
radiojunkbox | 0:9ddbc6e0cd90 | 154 | |
radiojunkbox | 0:9ddbc6e0cd90 | 155 | int main() { |
radiojunkbox | 0:9ddbc6e0cd90 | 156 | |
radiojunkbox | 0:9ddbc6e0cd90 | 157 | int i; |
radiojunkbox | 0:9ddbc6e0cd90 | 158 | int pot[4],_pot[4]; |
radiojunkbox | 0:9ddbc6e0cd90 | 159 | unsigned char rb; |
radiojunkbox | 0:9ddbc6e0cd90 | 160 | unsigned char ch = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 161 | unsigned char mode = 7; // for Intialize |
radiojunkbox | 0:9ddbc6e0cd90 | 162 | unsigned char edit[4]; |
radiojunkbox | 0:9ddbc6e0cd90 | 163 | int val[2][4] = { 0, 0, 0, 0, 50, 50, 50, 50 }; |
radiojunkbox | 0:9ddbc6e0cd90 | 164 | char *wave[4] = { "TR","SQ","SW","--" }; |
radiojunkbox | 0:9ddbc6e0cd90 | 165 | |
radiojunkbox | 0:9ddbc6e0cd90 | 166 | // Initialize |
radiojunkbox | 0:9ddbc6e0cd90 | 167 | gPtr_buf_in = gPtr_buf_out = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 168 | for( i=0; i<4; i++) { |
radiojunkbox | 0:9ddbc6e0cd90 | 169 | pot[i] = _pot[i] = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 170 | edit[i] = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 171 | gGLIDE[i] = 1.0 / expf(val[0][i]*656.0/PARAM_GLIDE); |
radiojunkbox | 0:9ddbc6e0cd90 | 172 | gLFO_DP[i] = expf(val[1][i]*656.0/PARAM_DP); |
radiojunkbox | 0:9ddbc6e0cd90 | 173 | gLFO_FORM[i] = LFO_WF_TRI; |
radiojunkbox | 0:9ddbc6e0cd90 | 174 | gMIDI_CH[i] = i; |
radiojunkbox | 0:9ddbc6e0cd90 | 175 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 176 | |
radiojunkbox | 0:9ddbc6e0cd90 | 177 | for( i=0; i<16; i++) { // MIDI Data Buffers |
radiojunkbox | 0:9ddbc6e0cd90 | 178 | gPlayNoteBuf[i] =24; |
radiojunkbox | 0:9ddbc6e0cd90 | 179 | gGateBuf[i] = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 180 | gPitchBendBuf[i] = 0x40; |
radiojunkbox | 0:9ddbc6e0cd90 | 181 | gModWheelBuf[i] = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 182 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 183 | |
radiojunkbox | 0:9ddbc6e0cd90 | 184 | gSW = 1; // for Intialize |
radiojunkbox | 0:9ddbc6e0cd90 | 185 | |
radiojunkbox | 0:9ddbc6e0cd90 | 186 | CalcHzVTbl(); |
radiojunkbox | 0:9ddbc6e0cd90 | 187 | InitKamui(); |
radiojunkbox | 0:9ddbc6e0cd90 | 188 | |
radiojunkbox | 0:9ddbc6e0cd90 | 189 | // loop |
radiojunkbox | 0:9ddbc6e0cd90 | 190 | while(1) { |
radiojunkbox | 0:9ddbc6e0cd90 | 191 | |
radiojunkbox | 0:9ddbc6e0cd90 | 192 | // ring buffer empty? |
radiojunkbox | 0:9ddbc6e0cd90 | 193 | if(gPtr_buf_in != gPtr_buf_out) { |
radiojunkbox | 0:9ddbc6e0cd90 | 194 | |
radiojunkbox | 0:9ddbc6e0cd90 | 195 | // get 1byte from ring buffer |
radiojunkbox | 0:9ddbc6e0cd90 | 196 | gPtr_buf_out++; |
radiojunkbox | 0:9ddbc6e0cd90 | 197 | gPtr_buf_out &= (BUFSIZE - 1); |
radiojunkbox | 0:9ddbc6e0cd90 | 198 | rb = gRxBuf[gPtr_buf_out]; |
radiojunkbox | 0:9ddbc6e0cd90 | 199 | MIDI_Parser(rb); |
radiojunkbox | 0:9ddbc6e0cd90 | 200 | continue; |
radiojunkbox | 0:9ddbc6e0cd90 | 201 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 202 | |
radiojunkbox | 0:9ddbc6e0cd90 | 203 | // Read pot |
radiojunkbox | 0:9ddbc6e0cd90 | 204 | pot[0] = gAIN1.read_u16(); |
radiojunkbox | 0:9ddbc6e0cd90 | 205 | pot[1] = gAIN2.read_u16(); |
radiojunkbox | 0:9ddbc6e0cd90 | 206 | pot[2] = gAIN3.read_u16(); |
radiojunkbox | 0:9ddbc6e0cd90 | 207 | pot[3] = gAIN4.read_u16(); |
radiojunkbox | 0:9ddbc6e0cd90 | 208 | |
radiojunkbox | 0:9ddbc6e0cd90 | 209 | // change pot amount? |
radiojunkbox | 0:9ddbc6e0cd90 | 210 | if(abs(pot[ch] - _pot[ch]) > 0x2000) edit[ch] = 1; |
radiojunkbox | 0:9ddbc6e0cd90 | 211 | |
radiojunkbox | 0:9ddbc6e0cd90 | 212 | if(edit[ch]) { |
radiojunkbox | 0:9ddbc6e0cd90 | 213 | switch(mode) { |
radiojunkbox | 0:9ddbc6e0cd90 | 214 | case 0: |
radiojunkbox | 0:9ddbc6e0cd90 | 215 | gGLIDE[ch] = 1.0 / expf(pot[ch]/PARAM_GLIDE); |
radiojunkbox | 0:9ddbc6e0cd90 | 216 | val[0][ch] = pot[ch] / 656; |
radiojunkbox | 0:9ddbc6e0cd90 | 217 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 218 | case 1: |
radiojunkbox | 0:9ddbc6e0cd90 | 219 | gLFO_DP[ch] = expf(pot[ch]/PARAM_DP); |
radiojunkbox | 0:9ddbc6e0cd90 | 220 | val[1][ch] = pot[ch] / 656; |
radiojunkbox | 0:9ddbc6e0cd90 | 221 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 222 | case 2: |
radiojunkbox | 0:9ddbc6e0cd90 | 223 | gLFO_FORM[ch] = pot[ch] / 0x4000; |
radiojunkbox | 0:9ddbc6e0cd90 | 224 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 225 | case 3: |
radiojunkbox | 0:9ddbc6e0cd90 | 226 | gMIDI_CH[ch] = pot[ch] / 0x1000; |
radiojunkbox | 0:9ddbc6e0cd90 | 227 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 228 | default: |
radiojunkbox | 0:9ddbc6e0cd90 | 229 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 230 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 231 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 232 | |
radiojunkbox | 0:9ddbc6e0cd90 | 233 | // Push Mode SW |
radiojunkbox | 0:9ddbc6e0cd90 | 234 | if(gSW & SW1) { |
radiojunkbox | 0:9ddbc6e0cd90 | 235 | mode++; |
radiojunkbox | 0:9ddbc6e0cd90 | 236 | mode &= 0x03; |
radiojunkbox | 0:9ddbc6e0cd90 | 237 | for( i=0; i<4; i++) { |
radiojunkbox | 0:9ddbc6e0cd90 | 238 | _pot[i] = pot[i]; |
radiojunkbox | 0:9ddbc6e0cd90 | 239 | edit[i] = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 240 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 241 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 242 | gSW = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 243 | |
radiojunkbox | 0:9ddbc6e0cd90 | 244 | // LCD Display |
radiojunkbox | 0:9ddbc6e0cd90 | 245 | gLCD.locate( 0, 1 ); |
radiojunkbox | 0:9ddbc6e0cd90 | 246 | switch(mode) { |
radiojunkbox | 0:9ddbc6e0cd90 | 247 | case 0: |
radiojunkbox | 0:9ddbc6e0cd90 | 248 | gLCD.printf("GLID %02d %02d %02d %02d", |
radiojunkbox | 0:9ddbc6e0cd90 | 249 | val[0][0], val[0][1], val[0][2], val[0][3]); |
radiojunkbox | 0:9ddbc6e0cd90 | 250 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 251 | case 1: |
radiojunkbox | 0:9ddbc6e0cd90 | 252 | gLCD.printf("FREQ %02d %02d %02d %02d", |
radiojunkbox | 0:9ddbc6e0cd90 | 253 | val[1][0], val[1][1], val[1][2], val[1][3]); |
radiojunkbox | 0:9ddbc6e0cd90 | 254 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 255 | case 2: |
radiojunkbox | 0:9ddbc6e0cd90 | 256 | gLCD.printf("FORM %s %s %s %s", |
radiojunkbox | 0:9ddbc6e0cd90 | 257 | wave[gLFO_FORM[0]], wave[gLFO_FORM[1]], |
radiojunkbox | 0:9ddbc6e0cd90 | 258 | wave[gLFO_FORM[2]], wave[gLFO_FORM[3]]); |
radiojunkbox | 0:9ddbc6e0cd90 | 259 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 260 | case 3: |
radiojunkbox | 0:9ddbc6e0cd90 | 261 | gLCD.printf("MIDI %02d %02d %02d %02d", |
radiojunkbox | 0:9ddbc6e0cd90 | 262 | gMIDI_CH[0]+1, gMIDI_CH[1]+1, |
radiojunkbox | 0:9ddbc6e0cd90 | 263 | gMIDI_CH[2]+1, gMIDI_CH[3]+1); |
radiojunkbox | 0:9ddbc6e0cd90 | 264 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 265 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 266 | |
radiojunkbox | 0:9ddbc6e0cd90 | 267 | ch++; |
radiojunkbox | 0:9ddbc6e0cd90 | 268 | ch &= 0x03; |
radiojunkbox | 0:9ddbc6e0cd90 | 269 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 270 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 271 | |
radiojunkbox | 0:9ddbc6e0cd90 | 272 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 273 | // Initialize KAMUI |
radiojunkbox | 0:9ddbc6e0cd90 | 274 | |
radiojunkbox | 0:9ddbc6e0cd90 | 275 | void InitKamui() |
radiojunkbox | 0:9ddbc6e0cd90 | 276 | { |
radiojunkbox | 0:9ddbc6e0cd90 | 277 | // Init. Variables |
radiojunkbox | 0:9ddbc6e0cd90 | 278 | for( int i=0; i<8; i++) { |
radiojunkbox | 0:9ddbc6e0cd90 | 279 | gCV[i] = 0x8000; |
radiojunkbox | 0:9ddbc6e0cd90 | 280 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 281 | gGATE = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 282 | gSYNC = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 283 | |
radiojunkbox | 0:9ddbc6e0cd90 | 284 | gUpdateMode = UPDATE_MODE0; |
radiojunkbox | 0:9ddbc6e0cd90 | 285 | |
radiojunkbox | 0:9ddbc6e0cd90 | 286 | // Init. SPI |
radiojunkbox | 0:9ddbc6e0cd90 | 287 | gCSA = _DISABLE; |
radiojunkbox | 0:9ddbc6e0cd90 | 288 | gCSB = _DISABLE; |
radiojunkbox | 0:9ddbc6e0cd90 | 289 | gSPI.format(8,0); |
radiojunkbox | 0:9ddbc6e0cd90 | 290 | gSPI.frequency(SPI_RATE); |
radiojunkbox | 0:9ddbc6e0cd90 | 291 | |
radiojunkbox | 0:9ddbc6e0cd90 | 292 | // Call Back for USBMIDI Messages Received |
radiojunkbox | 0:9ddbc6e0cd90 | 293 | gUSBMIDI.attach(RcvUSBMIDI); |
radiojunkbox | 0:9ddbc6e0cd90 | 294 | |
radiojunkbox | 0:9ddbc6e0cd90 | 295 | // Ticker |
radiojunkbox | 0:9ddbc6e0cd90 | 296 | gTICKER.attach_us(&UpdateCV, UPDATE_INTERVAL); |
radiojunkbox | 0:9ddbc6e0cd90 | 297 | |
radiojunkbox | 0:9ddbc6e0cd90 | 298 | // Beep |
radiojunkbox | 0:9ddbc6e0cd90 | 299 | gBEEP.period(1.0/BEEP_FREQ); |
radiojunkbox | 0:9ddbc6e0cd90 | 300 | gBEEP.write(0.5); |
radiojunkbox | 0:9ddbc6e0cd90 | 301 | wait(0.2); |
radiojunkbox | 0:9ddbc6e0cd90 | 302 | gBEEP.write(0.0); |
radiojunkbox | 0:9ddbc6e0cd90 | 303 | |
radiojunkbox | 0:9ddbc6e0cd90 | 304 | // Init Display |
radiojunkbox | 0:9ddbc6e0cd90 | 305 | gLCD.locate( 0, 0 ); |
radiojunkbox | 0:9ddbc6e0cd90 | 306 | // 123456789ABCDEF |
radiojunkbox | 0:9ddbc6e0cd90 | 307 | gLCD.printf("USBMIDI-CV Exam"); |
radiojunkbox | 0:9ddbc6e0cd90 | 308 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 309 | |
radiojunkbox | 0:9ddbc6e0cd90 | 310 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 311 | // Update CV, GATE, SYNC |
radiojunkbox | 0:9ddbc6e0cd90 | 312 | |
radiojunkbox | 0:9ddbc6e0cd90 | 313 | void UpdateCV() |
radiojunkbox | 0:9ddbc6e0cd90 | 314 | { |
radiojunkbox | 0:9ddbc6e0cd90 | 315 | unsigned char rcv,ch; |
radiojunkbox | 0:9ddbc6e0cd90 | 316 | unsigned char ptn[] = { 0,1,6,7,2,3,6,7,4,5,6,7 }; |
radiojunkbox | 0:9ddbc6e0cd90 | 317 | const int numptn = (sizeof ptn / sizeof ptn[0]) - 1; |
radiojunkbox | 0:9ddbc6e0cd90 | 318 | static unsigned char cnt; |
radiojunkbox | 0:9ddbc6e0cd90 | 319 | |
radiojunkbox | 0:9ddbc6e0cd90 | 320 | __disable_irq(); |
radiojunkbox | 0:9ddbc6e0cd90 | 321 | |
radiojunkbox | 0:9ddbc6e0cd90 | 322 | // SET DAC |
radiojunkbox | 0:9ddbc6e0cd90 | 323 | ch = ptn[cnt]; |
radiojunkbox | 0:9ddbc6e0cd90 | 324 | if(gUpdateMode) ch |= 0x06; |
radiojunkbox | 0:9ddbc6e0cd90 | 325 | |
radiojunkbox | 0:9ddbc6e0cd90 | 326 | #ifdef AD5551 // 14bitDAC |
radiojunkbox | 0:9ddbc6e0cd90 | 327 | gDAC.WORD = gCV[ch] >> 2; |
radiojunkbox | 0:9ddbc6e0cd90 | 328 | #else |
radiojunkbox | 0:9ddbc6e0cd90 | 329 | gDAC.WORD = gCV[ch]; |
radiojunkbox | 0:9ddbc6e0cd90 | 330 | #endif |
radiojunkbox | 0:9ddbc6e0cd90 | 331 | |
radiojunkbox | 0:9ddbc6e0cd90 | 332 | gCSA = _ENABLE; |
radiojunkbox | 0:9ddbc6e0cd90 | 333 | gSPI.write(gDAC.BYTE.H); |
radiojunkbox | 0:9ddbc6e0cd90 | 334 | gSPI.write(gDAC.BYTE.L); |
radiojunkbox | 0:9ddbc6e0cd90 | 335 | gCSA = _DISABLE; |
radiojunkbox | 0:9ddbc6e0cd90 | 336 | |
radiojunkbox | 0:9ddbc6e0cd90 | 337 | // GATE or SYNC OUT |
radiojunkbox | 0:9ddbc6e0cd90 | 338 | if(cnt & 0x01) { |
radiojunkbox | 0:9ddbc6e0cd90 | 339 | // GATE OUT |
radiojunkbox | 0:9ddbc6e0cd90 | 340 | gCSB = _ENABLE; |
radiojunkbox | 0:9ddbc6e0cd90 | 341 | rcv = gSPI.write(gGATE | MODE_GATE) & 0x0F; |
radiojunkbox | 0:9ddbc6e0cd90 | 342 | gCSB = _DISABLE; |
radiojunkbox | 0:9ddbc6e0cd90 | 343 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 344 | else { |
radiojunkbox | 0:9ddbc6e0cd90 | 345 | // SYNC OUT |
radiojunkbox | 0:9ddbc6e0cd90 | 346 | gCSB = _ENABLE; |
radiojunkbox | 0:9ddbc6e0cd90 | 347 | rcv = gSPI.write(gSYNC | MODE_SYNC); |
radiojunkbox | 0:9ddbc6e0cd90 | 348 | gCSB = _DISABLE; |
radiojunkbox | 0:9ddbc6e0cd90 | 349 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 350 | |
radiojunkbox | 0:9ddbc6e0cd90 | 351 | // SEL CV CHANNEL |
radiojunkbox | 0:9ddbc6e0cd90 | 352 | gCSB = _ENABLE; |
radiojunkbox | 0:9ddbc6e0cd90 | 353 | gSPI.write(ch); |
radiojunkbox | 0:9ddbc6e0cd90 | 354 | gCSB = _DISABLE; |
radiojunkbox | 0:9ddbc6e0cd90 | 355 | |
radiojunkbox | 0:9ddbc6e0cd90 | 356 | cnt < numptn ? cnt++ : cnt = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 357 | |
radiojunkbox | 0:9ddbc6e0cd90 | 358 | __enable_irq(); |
radiojunkbox | 0:9ddbc6e0cd90 | 359 | |
radiojunkbox | 0:9ddbc6e0cd90 | 360 | gSW |= CheckSW(rcv); |
radiojunkbox | 0:9ddbc6e0cd90 | 361 | DinSync(); |
radiojunkbox | 0:9ddbc6e0cd90 | 362 | MidiCV(); |
radiojunkbox | 0:9ddbc6e0cd90 | 363 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 364 | |
radiojunkbox | 0:9ddbc6e0cd90 | 365 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 366 | // Check SW |
radiojunkbox | 0:9ddbc6e0cd90 | 367 | |
radiojunkbox | 0:9ddbc6e0cd90 | 368 | unsigned char CheckSW(unsigned char c) { |
radiojunkbox | 0:9ddbc6e0cd90 | 369 | |
radiojunkbox | 0:9ddbc6e0cd90 | 370 | static unsigned char swbuf[2]; |
radiojunkbox | 0:9ddbc6e0cd90 | 371 | static unsigned int cntsw; |
radiojunkbox | 0:9ddbc6e0cd90 | 372 | unsigned char ret = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 373 | |
radiojunkbox | 0:9ddbc6e0cd90 | 374 | if(cntsw > SW_WATCH_INTERVAL) { |
radiojunkbox | 0:9ddbc6e0cd90 | 375 | if(c &= 0x0F) { |
radiojunkbox | 0:9ddbc6e0cd90 | 376 | if(!swbuf[1]) { |
radiojunkbox | 0:9ddbc6e0cd90 | 377 | if( swbuf[0] == c) { |
radiojunkbox | 0:9ddbc6e0cd90 | 378 | swbuf[1] = c; |
radiojunkbox | 0:9ddbc6e0cd90 | 379 | ret = c; |
radiojunkbox | 0:9ddbc6e0cd90 | 380 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 381 | else { |
radiojunkbox | 0:9ddbc6e0cd90 | 382 | swbuf[0] = c; |
radiojunkbox | 0:9ddbc6e0cd90 | 383 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 384 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 385 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 386 | else { |
radiojunkbox | 0:9ddbc6e0cd90 | 387 | swbuf[1] = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 388 | swbuf[0] = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 389 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 390 | cntsw = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 391 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 392 | cntsw++; |
radiojunkbox | 0:9ddbc6e0cd90 | 393 | return ret; |
radiojunkbox | 0:9ddbc6e0cd90 | 394 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 395 | |
radiojunkbox | 0:9ddbc6e0cd90 | 396 | //------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 397 | // Receive USBMIDI Data & Store Ring Buffer |
radiojunkbox | 0:9ddbc6e0cd90 | 398 | void RcvUSBMIDI(MIDIMessage msg) { |
radiojunkbox | 0:9ddbc6e0cd90 | 399 | |
radiojunkbox | 0:9ddbc6e0cd90 | 400 | if(msg.data[0] == 0) return; |
radiojunkbox | 0:9ddbc6e0cd90 | 401 | |
radiojunkbox | 0:9ddbc6e0cd90 | 402 | // gGATE ^= GATE_LED5; |
radiojunkbox | 0:9ddbc6e0cd90 | 403 | // printf("%02x %02x %02x %02x\r\n",msg.data[0],msg.data[1],msg.data[2],msg.data[3]); |
radiojunkbox | 0:9ddbc6e0cd90 | 404 | |
radiojunkbox | 0:9ddbc6e0cd90 | 405 | for( int i=1; i<4; i++) { |
radiojunkbox | 0:9ddbc6e0cd90 | 406 | gPtr_buf_in++; |
radiojunkbox | 0:9ddbc6e0cd90 | 407 | gPtr_buf_in &= (BUFSIZE - 1); |
radiojunkbox | 0:9ddbc6e0cd90 | 408 | gRxBuf[gPtr_buf_in] = msg.data[i]; |
radiojunkbox | 0:9ddbc6e0cd90 | 409 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 410 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 411 | |
radiojunkbox | 0:9ddbc6e0cd90 | 412 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 413 | // MIDI Data to CV, GATE |
radiojunkbox | 0:9ddbc6e0cd90 | 414 | |
radiojunkbox | 0:9ddbc6e0cd90 | 415 | void MidiCV() |
radiojunkbox | 0:9ddbc6e0cd90 | 416 | { |
radiojunkbox | 0:9ddbc6e0cd90 | 417 | static unsigned char ch; |
radiojunkbox | 0:9ddbc6e0cd90 | 418 | static unsigned short phase[4]; |
radiojunkbox | 0:9ddbc6e0cd90 | 419 | static float cvf[4]; |
radiojunkbox | 0:9ddbc6e0cd90 | 420 | int lfo,mod; |
radiojunkbox | 0:9ddbc6e0cd90 | 421 | unsigned char midi_ch; |
radiojunkbox | 0:9ddbc6e0cd90 | 422 | unsigned int cv; |
radiojunkbox | 0:9ddbc6e0cd90 | 423 | unsigned int note; |
radiojunkbox | 0:9ddbc6e0cd90 | 424 | |
radiojunkbox | 0:9ddbc6e0cd90 | 425 | midi_ch = gMIDI_CH[ch]; |
radiojunkbox | 0:9ddbc6e0cd90 | 426 | |
radiojunkbox | 0:9ddbc6e0cd90 | 427 | note = gPlayNoteBuf[midi_ch]; |
radiojunkbox | 0:9ddbc6e0cd90 | 428 | if( note < MINIMUMNOTE) note = MINIMUMNOTE; |
radiojunkbox | 0:9ddbc6e0cd90 | 429 | note -= MINIMUMNOTE; |
radiojunkbox | 0:9ddbc6e0cd90 | 430 | |
radiojunkbox | 0:9ddbc6e0cd90 | 431 | // DDS Phase |
radiojunkbox | 0:9ddbc6e0cd90 | 432 | phase[ch] += gLFO_DP[ch]; |
radiojunkbox | 0:9ddbc6e0cd90 | 433 | |
radiojunkbox | 0:9ddbc6e0cd90 | 434 | // LFO DDS Genelator |
radiojunkbox | 0:9ddbc6e0cd90 | 435 | switch(gLFO_FORM[ch]) { |
radiojunkbox | 0:9ddbc6e0cd90 | 436 | case LFO_WF_TRI: |
radiojunkbox | 0:9ddbc6e0cd90 | 437 | if(phase[ch] < 32738) lfo = phase[ch] - 16384; |
radiojunkbox | 0:9ddbc6e0cd90 | 438 | else lfo = (16383 + 32768) - phase[ch]; |
radiojunkbox | 0:9ddbc6e0cd90 | 439 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 440 | case LFO_WF_SQR: |
radiojunkbox | 0:9ddbc6e0cd90 | 441 | if(phase[ch] < 32738) lfo = 32767; |
radiojunkbox | 0:9ddbc6e0cd90 | 442 | else lfo = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 443 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 444 | case LFO_WF_SAW: |
radiojunkbox | 0:9ddbc6e0cd90 | 445 | lfo = phase[ch] / 2 - 16384; |
radiojunkbox | 0:9ddbc6e0cd90 | 446 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 447 | default : |
radiojunkbox | 0:9ddbc6e0cd90 | 448 | lfo = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 449 | break; |
radiojunkbox | 0:9ddbc6e0cd90 | 450 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 451 | |
radiojunkbox | 0:9ddbc6e0cd90 | 452 | // Modulation amount |
radiojunkbox | 0:9ddbc6e0cd90 | 453 | mod = lfo * gModWheelBuf[midi_ch] >> 7; |
radiojunkbox | 0:9ddbc6e0cd90 | 454 | |
radiojunkbox | 0:9ddbc6e0cd90 | 455 | // Calculate CV |
radiojunkbox | 0:9ddbc6e0cd90 | 456 | cvf[ch] = ((float)(note << 8) - cvf[ch]) * gGLIDE[ch] + cvf[ch]; |
radiojunkbox | 0:9ddbc6e0cd90 | 457 | cv = (unsigned int)cvf[ch] + (0x8000 - (0x0040 << 3)) |
radiojunkbox | 0:9ddbc6e0cd90 | 458 | + (gPitchBendBuf[midi_ch] << 2) + mod; |
radiojunkbox | 0:9ddbc6e0cd90 | 459 | if(cv > 0xFFFF) cv = 0xFFFF; |
radiojunkbox | 0:9ddbc6e0cd90 | 460 | gCV[ch] = (unsigned short)cv; |
radiojunkbox | 0:9ddbc6e0cd90 | 461 | gCV[ch+4] = OctVtoHzV(gCV[ch]); |
radiojunkbox | 0:9ddbc6e0cd90 | 462 | |
radiojunkbox | 0:9ddbc6e0cd90 | 463 | // GATE |
radiojunkbox | 0:9ddbc6e0cd90 | 464 | gGateBuf[midi_ch] ? gGATE |= (1<<ch) : gGATE &= ~(1<<ch); |
radiojunkbox | 0:9ddbc6e0cd90 | 465 | |
radiojunkbox | 0:9ddbc6e0cd90 | 466 | ch++; |
radiojunkbox | 0:9ddbc6e0cd90 | 467 | ch &= 0x03; |
radiojunkbox | 0:9ddbc6e0cd90 | 468 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 469 | |
radiojunkbox | 0:9ddbc6e0cd90 | 470 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 471 | // Oct/V to Hz/V Converter |
radiojunkbox | 0:9ddbc6e0cd90 | 472 | |
radiojunkbox | 0:9ddbc6e0cd90 | 473 | void CalcHzVTbl() // Calc Conv. Table |
radiojunkbox | 0:9ddbc6e0cd90 | 474 | { |
radiojunkbox | 0:9ddbc6e0cd90 | 475 | int i; |
radiojunkbox | 0:9ddbc6e0cd90 | 476 | float v; |
radiojunkbox | 0:9ddbc6e0cd90 | 477 | |
radiojunkbox | 0:9ddbc6e0cd90 | 478 | for( i=0; i<3072; i++) { |
radiojunkbox | 0:9ddbc6e0cd90 | 479 | v = 24576.0 * pow(2.0,(i/3072.0)); |
radiojunkbox | 0:9ddbc6e0cd90 | 480 | gTblHzV[i] = (unsigned short)v; |
radiojunkbox | 0:9ddbc6e0cd90 | 481 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 482 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 483 | |
radiojunkbox | 0:9ddbc6e0cd90 | 484 | unsigned short OctVtoHzV( unsigned short vin) |
radiojunkbox | 0:9ddbc6e0cd90 | 485 | { |
radiojunkbox | 0:9ddbc6e0cd90 | 486 | int oct,res; |
radiojunkbox | 0:9ddbc6e0cd90 | 487 | unsigned short vout; |
radiojunkbox | 0:9ddbc6e0cd90 | 488 | |
radiojunkbox | 0:9ddbc6e0cd90 | 489 | if(vin > 0xE400) vin = 0xE400; // Maximum Note E8 Vin = 10.794V |
radiojunkbox | 0:9ddbc6e0cd90 | 490 | if(vin < 0x6800) vin = 0x6800; // Minimum Note C-2 Vin = -2.000V |
radiojunkbox | 0:9ddbc6e0cd90 | 491 | vin -= 0x6800; |
radiojunkbox | 0:9ddbc6e0cd90 | 492 | |
radiojunkbox | 0:9ddbc6e0cd90 | 493 | oct = vin / 0xC00; // 0xC00 : 3072 |
radiojunkbox | 0:9ddbc6e0cd90 | 494 | res = vin % 0xC00; |
radiojunkbox | 0:9ddbc6e0cd90 | 495 | |
radiojunkbox | 0:9ddbc6e0cd90 | 496 | vout = ((unsigned short)gTblHzV[res] >> (10 - oct)) + 0x8000; |
radiojunkbox | 0:9ddbc6e0cd90 | 497 | return vout; |
radiojunkbox | 0:9ddbc6e0cd90 | 498 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 499 | |
radiojunkbox | 0:9ddbc6e0cd90 | 500 | //------------------------------------------------------------- |
radiojunkbox | 0:9ddbc6e0cd90 | 501 | // DIN SYNC Control |
radiojunkbox | 0:9ddbc6e0cd90 | 502 | |
radiojunkbox | 0:9ddbc6e0cd90 | 503 | void DinSync() |
radiojunkbox | 0:9ddbc6e0cd90 | 504 | { |
radiojunkbox | 0:9ddbc6e0cd90 | 505 | static unsigned int cnt; |
radiojunkbox | 0:9ddbc6e0cd90 | 506 | static unsigned int cnt24 = 10; |
radiojunkbox | 0:9ddbc6e0cd90 | 507 | |
radiojunkbox | 0:9ddbc6e0cd90 | 508 | if(gMIDISYNC_RUN) gSYNC |= (SYNC1RUN | SYNC2RUN); |
radiojunkbox | 0:9ddbc6e0cd90 | 509 | else gSYNC &= ~(SYNC1RUN | SYNC2RUN); |
radiojunkbox | 0:9ddbc6e0cd90 | 510 | |
radiojunkbox | 0:9ddbc6e0cd90 | 511 | if(cnt >= SYNC_TURN_TIME) gSYNC &= ~(SYNC1CLK | SYNC2CLK); |
radiojunkbox | 0:9ddbc6e0cd90 | 512 | |
radiojunkbox | 0:9ddbc6e0cd90 | 513 | if(gMIDISYNC_CLK) { |
radiojunkbox | 0:9ddbc6e0cd90 | 514 | gSYNC |= (SYNC1CLK | SYNC2CLK); |
radiojunkbox | 0:9ddbc6e0cd90 | 515 | gMIDISYNC_CLK = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 516 | cnt = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 517 | cnt24++; |
radiojunkbox | 0:9ddbc6e0cd90 | 518 | } |
radiojunkbox | 0:9ddbc6e0cd90 | 519 | if(cnt24 >= 24) cnt24 = 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 520 | |
radiojunkbox | 0:9ddbc6e0cd90 | 521 | gLED3 = gSYNC & SYNC1RUN ? 1 : 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 522 | gLED4 = cnt24 < 4 ? 1 : 0; |
radiojunkbox | 0:9ddbc6e0cd90 | 523 | |
radiojunkbox | 0:9ddbc6e0cd90 | 524 | cnt++; |
radiojunkbox | 0:9ddbc6e0cd90 | 525 | } |