Lets make this work.HEADmaster

3 files changed, 330 insertions, 0 deletions

diff --git a/sysexdemo/MidiSpecs.h b/sysexdemo/MidiSpecs.h
new file mode 100644
index 0000000..2a09d93
--- /dev/null
+++ b/sysexdemo/MidiSpecs.h
@@ -0,0 +1,143 @@
+/*--------------------------------------------------------------------------MidiSpecs.h
+ *
+ * These defines are based on specs created by the USB and MMA standards organizations. 
+ * There are not a lot of other ways to code them so liscensing this is rather ludicrous.
+ * However, in order to be able to embed this in client projects, and avoid the stupidity 
+ * of enforced open/closed everything I will declare the following about this file.
+ *
+ * Copyright (c) 2011 Donald Delmar Davis, Suspect Devices
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this 
+ * software and associated documentation files (the "Software"), to deal in the Software
+ * without restriction, including without limitation the rights to use, copy, modify, 
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to 
+ * permit persons to whom the Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies
+ * or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+ * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ */
+ 
+/*
+ *  USB midi commands from 
+ *  MIDI10.pdf "Universal Serial Bus Device Class Definition for MIDI Devices"
+ *  REV 1. (1999)
+ *  http://www.usb.org/developers/devclass_docs/midi10.pdf
+ *
+ */
+
+#ifndef __LETS_MIDI_SPECS_H__
+#define __LETS_MIDI_SPECS_H__
+#include <stdint.h>
+#include <stdbool.h>
+
+#if defined(__GNUC__)
+typedef struct 
+{
+    unsigned cable : 4;
+    unsigned cin   : 4; // this is the low nibble.
+    uint8_t  midi0; 
+    uint8_t  midi1; 
+    uint8_t  midi2; 
+}  __attribute__ ((__packed__)) MIDI_EVENT_PACKET_t ;
+#else
+typedef struct // may need to be adjusted for other compilers and bitfield order...
+{
+    unsigned cable : 4; 
+    unsigned cin   : 4; 
+    uint8_t  midi0; 
+    uint8_t  midi1; 
+    uint8_t  midi2; 
+} MIDI_EVENT_PACKET_t ;
+#endif
+
+
+#define CIN_MISC_FUNCTION    0x00 /* Reserved for future extension. */
+#define CIN_CABLE_EVENT      0x01 /* Reserved for future extension. */
+#define CIN_2BYTE_SYS_COMMON 0x02 /* 2Bytes -- MTC, SongSelect, etc. */ 
+#define CIN_3BYTE_SYS_COMMON 0x03 /* 3Bytes -- SPP, etc. */
+#define CIN_SYSEX			 0x04 /* 3Bytes */
+#define CIN_SYSEX_ENDS_IN_1  0x05 /* 1Bytes */
+#define CIN_SYSEX_ENDS_IN_2  0x06 /* 2Bytes */
+#define CIN_SYSEX_ENDS_IN_3  0x07 /* 3Bytes */
+#define CIN_NOTE_OFF         0x08 /* 3Bytes */
+#define CIN_NOTE_ON          0x09 /* 3Bytes */
+#define CIN_AFTER_TOUCH      0x0A /* 3Bytes */
+#define CIN_CONTROL_CHANGE   0x0B /* 3Bytes */
+#define CIN_PROGRAM_CHANGE   0x0C /* 2Bytes */
+#define CIN_CHANNEL_PRESSURE 0x0D /* 2Bytes */
+#define CIN_PITCH_WHEEL      0x0E /* 3Bytes */
+#define CIN_1BYTE            0x0F /* 1Bytes */
+//#define CIN_IS_SYSEX(cin) ((cin == CIN_SYSEX)||(cin == CIN_SYSEX_ENDS_IN_1)||(cin == CIN_SYSEX_ENDS_IN_2)||(cin == CIN_SYSEX_ENDS_IN_3))
+#define CIN_IS_SYSEX(cin) ( ((cin) & ~(0x08)) && ((cin) &0x04) )
+
+/* 
+ * MIDI V1 message definitions these are from the MMA document
+ * http://www.midi.org/techspecs/midimessages.php
+ */
+#define MIDIv1_BAUD_RATE 31250
+
+/*
+ * parse midi (v1) message macros
+ */
+#define MIDIv1_IS_STATUS(b)     ((b) & 0x80)
+#define MIDIv1_IS_VOICE(b)      ((b) <= 0xEF)
+#define MIDIv1_VOICE_COMMAND(b) ((b) & 0xF0)
+#define MIDIv1_VOICE_CHANNEL(b) ((b) & 0x0F)
+#define MIDIv1_IS_SYSCOMMON(b)  (((b) >= 0xF0) & ((b) < 0xF8))
+#define MIDIv1_IS_REALTIME(b)   ((b) >= 0xF8)
+
+/*
+ * Voice category messages
+ */
+#define MIDIv1_NOTE_OFF         0x80 /* 2 bytes data -- CIN_NOTE_OFF */
+#define MIDIv1_NOTE_ON          0x90 /* 2 bytes data -- CIN_NOTE_ON */
+#define MIDIv1_AFTER_TOUCH      0xA0 /* 2 bytes data -- CIN_AFTER_TOUCH */
+#define MIDIv1_CONTROL_CHANGE   0xB0 /* 2 bytes data -- CIN_CONTROL_CHANGE */
+#define MIDIv1_PROGRAM_CHANGE   0xC0 /* 1 byte data  -- CIN_PROGRAM_CHANGE */
+#define MIDIv1_CHANNEL_PRESSURE 0xD0 /* 1 byte data  -- CIN_CHANNEL_PRESSURE */
+#define MIDIv1_PITCH_WHEEL      0xE0 /* 2 bytes data -- CIN_PITCH_WHEEL */
+
+/*
+ * System common category messages
+ */
+#define MIDIv1_SYSEX_START       0xF0
+#define MIDIv1_SYSEX_END         0xF7
+#define MIDIv1_MTC_QUARTER_FRAME 0xF1 /* 1 byte data -- CIN_2BYTE_SYS_COMMON */
+#define MIDIv1_SONG_POSITION_PTR 0xF2 /* 2 bytes data -- CIN_3BYTE_SYS_COMMON */
+#define MIDIv1_SONG_SELECT       0xF3 /* 1 byte data -- CIN_2BYTE_SYS_COMMON */
+#define MIDIv1_TUNE_REQUEST      0xF6 /* no data -- CIN_1BYTE */
+
+/*
+ * Realtime category messages, can be sent anytime
+ */
+#define MIDIv1_CLOCK             0xF8 /* no data -- CIN_1BYTE */
+#define MIDIv1_TICK              0xF9 /* no data -- CIN_1BYTE */
+#define MIDIv1_START             0xFA /* no data -- CIN_1BYTE */
+#define MIDIv1_CONTINUE          0xFB /* no data -- CIN_1BYTE */
+#define MIDIv1_STOP              0xFC /* no data -- CIN_1BYTE */
+#define MIDIv1_ACTIVE_SENSE      0xFE /* no data -- CIN_1BYTE */
+#define MIDIv1_RESET             0xFF /* no data -- CIN_1BYTE */
+
+/*
+ * Susbset of universal sysex (general info request)
+ * As described http://www.blitter.com/~russtopia/MIDI/~jglatt/tech/midispec.htm
+ */
+#define USYSEX_NON_REAL_TIME    0x7E
+#define USYSEX_REAL_TIME        0x7F
+#define USYSEX_ALL_CHANNELS     0x7F
+#define USYSEX_GENERAL_INFO     0x06
+#define USYSEX_GI_ID_REQUEST    0x01
+#define USYSEX_GI_ID_RESPONSE   0x02
+
+#endif
+
+
diff --git a/sysexdemo/qtest.py b/sysexdemo/qtest.py
new file mode 100644
index 0000000..bd2c4b2
--- /dev/null
+++ b/sysexdemo/qtest.py
@@ -0,0 +1,38 @@
+import rtmidi_python as rtmidi
+
+import rtmidi_python as rtmidi
+
+def callback(message, time_stamp):
+    if (len(message)>4 and message[0]==240
+        and message[1]==125 and message[2]==51 and message[3]==51
+        ):
+        decodeHexLine(message);
+        #print message, time_stamp
+
+#:llaaaattd1..dncs
+def decodeHexLine(payload):
+#    print payload    
+    #    length = int(chr(payload[5])+chr(payload[6]),16)
+    #address = int(chr(payload[7])+chr(payload[8])+chr(payload[9])+chr(payload[10]),16)
+    #type =  int(chr(payload[11])+chr(payload[12]),16)
+    #type =  int(chr(payload[len(payload)-2])+chr(payload[len(payload)-2]),16)
+    high=None
+    decoded=''
+    for byte in payload[13:len(payload)-3] :
+        #print byte,'/',
+        if high is None:
+            high=byte
+        else:
+            pair=chr(high)+chr(byte)
+            #print "["+pair+"]",
+            decoded=decoded+chr(int(pair,16))
+            high=None
+    print decoded
+
+midi_in = rtmidi.MidiIn()
+print midi_in.ports
+midi_in.callback = callback
+midi_in.ignore_types(False,False,False)
+midi_in.open_port(0)
+
+while 1: pass
diff --git a/sysexdemo/sysexdemo.ino b/sysexdemo/sysexdemo.ino
new file mode 100644
index 0000000..aa8ebfb
--- /dev/null
+++ b/sysexdemo/sysexdemo.ino
@@ -0,0 +1,149 @@
+/*----------------------------------------------------------------------sysextest.ino
+ * this uses pjrc's midi library to get the sysex info.
+ *
+ */
+#include <Wire.h> 
+#include <MIDI.h>
+#include "MidiSpecs.h"
+#include <WiiChuck.h>
+
+#include <stdio.h>
+#include <stdarg.h>
+
+WiiChuck wii = WiiChuck();        // sda, scl
+
+
+
+void sendThroughSysex(char *printbuffer, int bufferlength);
+uint8_t sysexbuffer[80]={0xF0,0x7D,0x33,0x33,0x00,0xf7};
+char _pBr[40];
+int _nChars;
+#define debug(...) _nChars = sprintf(_pBr, __VA_ARGS__); sendThroughSysex(_pBr,_nChars);
+void setup() {
+    wii.init();
+
+  ;
+}
+
+uint8_t t=0;
+
+/*--------------------------------------------------------------------------check_midi()
+ *
+ * check midi looks for sysex messages and responds to the universal sysex general
+ * info request
+ *
+ */
+uint8_t identityResponse[]={MIDIv1_SYSEX_START,USYSEX_NON_REAL_TIME,USYSEX_ALL_CHANNELS,
+                            USYSEX_GENERAL_INFO,USYSEX_GI_ID_RESPONSE,
+                            0x7d,0x03,0x0d,      // vendor id and family
+                            0x01,0x01,           // product id
+                            0x00,0x00,0x00,0x01, // version
+                            MIDIv1_SYSEX_END};
+
+bool check_midi() {
+    uint8_t *theSysex,theLength;
+    if (usbMIDI.read() && usbMIDI.getType()==7) {
+        debug("I Got a Sysex (length=%d) !",theLength=usbMIDI.getData1());
+        theSysex=usbMIDI.getSysExArray();
+        if ((theLength>=6)
+            && (theSysex[1]==USYSEX_NON_REAL_TIME)
+            && (theSysex[3]==USYSEX_GENERAL_INFO)
+            && (theSysex[4]==USYSEX_GI_ID_REQUEST)
+            ) {
+            //debug("sending identity");
+            usbMIDI.sendSysEx(sizeof(identityResponse),identityResponse);
+            return(true);
+        }
+        if (theLength==2) {
+            debug("Empty Sysex Recieved");
+        }
+    }
+}
+
+
+#define MIDI_TASKS {check_midi();}
+#define AUDIBLE_LAG_MS 15
+
+/*
+ * NOTE doesnt check for millis rollover.
+ */
+void idle(int ms) {
+    long int cmillis;
+    long int endmillis=millis()+ms;
+    long lag=millis();
+    while ((cmillis=millis())<endmillis) {
+        if (cmillis>=lag) {
+            MIDI_TASKS;
+            lag=cmillis+AUDIBLE_LAG_MS;
+        }
+    }
+}
+
+ 
+
+void loop() {
+    int n;
+    for (t=1; t<126; t++){
+      usbMIDI.sendNoteOn(t,127,1);
+      idle(100);
+      usbMIDI.sendNoteOff(t,0,1);
+      idle(100);
+      debug("note#%02X",t);
+    }
+}
+
+
+
+void sendThroughSysex(char *printbuffer, int bufferlength) {
+  int n;
+  n = iHexLine(1, 0 , (uint8_t *) printbuffer, (uint8_t) bufferlength ,sysexbuffer+4);
+  sysexbuffer[n+4]=0xf7;
+  sysexbuffer[n+5]=0x00;
+  usbMIDI.sendSysEx(n+5,sysexbuffer);              
+}
+
+#define HIGHBYTE(x) ((uint8_t) (((x) >> 8) &  0x00ff) )
+#define LOWBYTE(x) ((uint8_t) ((x) & 0x00ff) )
+#define HIGHNIBBLE(x) ((((uint8_t)(x)) & 0xF0) >> 4)
+#define LOWNIBBLE(x) (((uint8_t)(x)) & 0x0F)
+#define HEXCHAR(c) ((c>9)?55+c:48+c)
+
+uint8_t iHexLine(uint8_t rectype, uint16_t address, uint8_t *payload,uint8_t payloadlength, uint8_t *buffer) {
+
+  int i=0; int j;
+  uint8_t n=0;
+  uint16_t checksum=0;
+  //uint16_t length=0;
+  
+  buffer[i++]=':';
+  
+  checksum+=payloadlength;
+  buffer[i++]=HEXCHAR(HIGHNIBBLE(payloadlength));
+  buffer[i++]=HEXCHAR(LOWNIBBLE(payloadlength));
+
+  n=HIGHBYTE(address);
+  checksum+=n;
+  buffer[i++]=HEXCHAR(HIGHNIBBLE(n));
+  buffer[i++]=HEXCHAR(LOWNIBBLE(n));
+
+  n=LOWBYTE(address);
+  checksum+=n;
+  buffer[i++]=HEXCHAR(HIGHNIBBLE(n));
+  buffer[i++]=HEXCHAR(LOWNIBBLE(n));
+
+  n=rectype;
+  checksum+=n;
+  buffer[i++]=HEXCHAR(HIGHNIBBLE(n));
+  buffer[i++]=HEXCHAR(LOWNIBBLE(n));
+  
+  for (j=0; j<payloadlength ; j++) {
+      n=payload[j];
+      checksum+=n;
+      buffer[i++]=HEXCHAR(HIGHNIBBLE(n));
+      buffer[i++]=HEXCHAR(LOWNIBBLE(n));
+  }
+  n=~((uint8_t) checksum&0x00ff)+1;
+  buffer[i++]=HEXCHAR(HIGHNIBBLE(n));
+  buffer[i++]=HEXCHAR(LOWNIBBLE(n));
+  return i;
+}