Merge branch 'master' into rollover

* master:
  Update MIDI driver v0.3.2

# Conflicts:
#	examples/USBH_MIDI/USBH_MIDI_dump/USBH_MIDI_dump.ino
#	examples/USBH_MIDI/USB_MIDI_converter/USB_MIDI_converter.ino
#	examples/USBH_MIDI/USB_MIDI_converter_multi/USB_MIDI_converter_multi.ino
#	examples/USBH_MIDI/bidirectional_converter/bidirectional_converter.ino
#	usbh_midi.cpp
#	usbh_midi.h

.travis.yml

@@ -51,7 +51,7 @@ env:
     - PLATFORMIO_CI_SRC=examples/PSBuzz
     # - PLATFORMIO_CI_SRC=examples/testusbhostFAT
     - PLATFORMIO_CI_SRC=examples/USB_desc
-    - PLATFORMIO_CI_SRC=examples/USBH_MIDI/bidrectional_converter
+    - PLATFORMIO_CI_SRC=examples/USBH_MIDI/bidirectional_converter
     - PLATFORMIO_CI_SRC=examples/USBH_MIDI/eVY1_sample
     - PLATFORMIO_CI_SRC=examples/USBH_MIDI/USB_MIDI_converter
     - PLATFORMIO_CI_SRC=examples/USBH_MIDI/USB_MIDI_converter_multi

examples/USBH_MIDI/USBH_MIDI_dump/USBH_MIDI_dump.ino

@@ -1,7 +1,7 @@
 /*
  *******************************************************************************
  * USB-MIDI dump utility
- * Copyright (C) 2013-2016 Yuuichi Akagawa
+ * Copyright (C) 2013-2017 Yuuichi Akagawa
  *
  * for use with USB Host Shield 2.0 from Circuitsathome.com
  * https://github.com/felis/USB_Host_Shield_2.0
@@ -44,10 +44,13 @@ void setup()
 void loop()
 {
   Usb.Task();
+  //uint32_t t1 = (uint32_t)micros();
   if ( Usb.getUsbTaskState() == USB_STATE_RUNNING )
   {
     MIDI_poll();
   }
+  //delay(1ms)
+  //doDelay(t1, (uint32_t)micros(), 1000);
 }
 
 // Poll USB MIDI Controler and send to serial MIDI

examples/USBH_MIDI/USB_MIDI_converter/USB_MIDI_converter.ino

@@ -1,7 +1,7 @@
 /*
  *******************************************************************************
  * USB-MIDI to Legacy Serial MIDI converter
- * Copyright (C) 2012-2016 Yuuichi Akagawa
+ * Copyright (C) 2012-2017 Yuuichi Akagawa
  *
  * Idea from LPK25 USB-MIDI to Serial MIDI converter
  *   by Collin Cunningham - makezine.com, narbotic.com
@@ -55,6 +55,7 @@ void loop()
   {
     MIDI_poll();
   }
+  //delay(1ms)
   doDelay(t1, (uint32_t)micros(), 1000);
 }
 

examples/USBH_MIDI/USB_MIDI_converter_multi/USB_MIDI_converter_multi.ino

@@ -1,7 +1,7 @@
 /*
  *******************************************************************************
  * USB-MIDI to Legacy Serial MIDI converter
- * Copyright (C) 2012-2016 Yuuichi Akagawa
+ * Copyright (C) 2012-2017 Yuuichi Akagawa
  *
  * Idea from LPK25 USB-MIDI to Serial MIDI converter
  *   by Collin Cunningham - makezine.com, narbotic.com
@@ -57,6 +57,7 @@ void loop()
   {
     MIDI_poll();
   }
+  //delay(1ms)
   doDelay(t1, (uint32_t)micros(), 1000);
 }
 

examples/USBH_MIDI/bidirectional_converter/bidirectional_converter.ino

@@ -1,7 +1,7 @@
 /*
  *******************************************************************************
  * Legacy Serial MIDI and USB Host bidirectional converter
- * Copyright (C) 2013-2016 Yuuichi Akagawa
+ * Copyright (C) 2013-2017 Yuuichi Akagawa
  *
  * for use with Arduino MIDI library
  * https://github.com/FortySevenEffects/arduino_midi_library/
@@ -49,7 +49,6 @@ void doDelay(uint32_t t1, uint32_t t2, uint32_t delayTime);
 #define USBH_MIDI_SYSEX_ENABLE
 
 #ifdef USBH_MIDI_SYSEX_ENABLE
-MidiSysEx sysExData;
 //SysEx:
 void handle_sysex( byte* sysexmsg, unsigned sizeofsysex) {
   Midi.SendSysEx(sysexmsg, sizeofsysex);
@@ -93,6 +92,7 @@ void loop()
       }
     }
   }
+  //delay(1ms)
   doDelay(t1, (uint32_t)micros(), 1000);
 }
 
@@ -117,23 +117,17 @@ void MIDI_poll()
   uint8_t *p = recvBuf;
   while (readPtr < MIDI_EVENT_PACKET_SIZE)  {
     if (*p == 0 && *(p + 1) == 0) break; //data end
-    MidiSysEx::Status rc = sysExData.set(p);
+
-    switch (rc) {
+    uint8_t outbuf[3];
-      case MidiSysEx::nonsysex :  //No SysEx message send data to Serial MIDI
+    uint8_t rc = Midi.extractSysExData(p, outbuf);
+    if ( rc == 0 ) {
       p++;
       size = Midi.lookupMsgSize(*p);
       _MIDI_SERIAL_PORT.write(p, size);
       p += 3;
-        break;
+    } else {
-      case MidiSysEx::done :      //SysEx end. send data to Serial MIDI
+      _MIDI_SERIAL_PORT.write(outbuf, rc);
-        _MIDI_SERIAL_PORT.write(sysExData.get(), sysExData.getSize());
-        /* FALLTHROUGH */
-      case MidiSysEx::overflow :  //SysEx buffer over. ignore and flush buffer.
-        sysExData.clear();
-        /* FALLTHROUGH */
-      default:
       p += 4;
-        break;
     }
     readPtr += 4;
   }

usbh_midi.cpp

@@ -1,7 +1,7 @@
 /*
  *******************************************************************************
  * USB-MIDI class driver for USB Host Shield 2.0 Library
- * Copyright (c) 2012-2016 Yuuichi Akagawa
+ * Copyright (c) 2012-2017 Yuuichi Akagawa
  *
  * Idea from LPK25 USB-MIDI to Serial MIDI converter
  *   by Collin Cunningham - makezine.com, narbotic.com
@@ -95,9 +95,7 @@ readPtr(0) {
         for(uint8_t i=0; i<MIDI_MAX_ENDPOINTS; i++) {
                 epInfo[i].epAddr      = 0;
                 epInfo[i].maxPktSize  = (i) ? 0 : 8;
-                epInfo[i].epAttribs     = 0;
+                epInfo[i].bmNakPower  = (i) ? USB_NAK_NOWAIT : USB_NAK_MAX_POWER;
-//    epInfo[i].bmNakPower  = (i) ? USB_NAK_NOWAIT : USB_NAK_MAX_POWER;
-                epInfo[i].bmNakPower  = (i) ? USB_NAK_NOWAIT : 4;
 
         }
         // register in USB subsystem
@@ -109,7 +107,7 @@ readPtr(0) {
 /* Connection initialization of an MIDI Device */
 uint8_t USBH_MIDI::Init(uint8_t parent, uint8_t port, bool lowspeed)
 {
-        uint8_t    buf[DESC_BUFF_SIZE];
+        uint8_t    buf[sizeof (USB_DEVICE_DESCRIPTOR)];
         USB_DEVICE_DESCRIPTOR * udd = reinterpret_cast<USB_DEVICE_DESCRIPTOR*>(buf);
         uint8_t    rcode;
         UsbDevice  *p = NULL;
@@ -117,6 +115,15 @@ uint8_t USBH_MIDI::Init(uint8_t parent, uint8_t port, bool lowspeed)
         uint8_t    num_of_conf;  // number of configurations
 
         USBTRACE("\rMIDI Init\r\n");
+
+        //for reconnect
+        for(uint8_t i=epDataInIndex; i<=epDataOutIndex; i++) {
+                epInfo[i].epAddr      = (i==epDataInIndex) ? 0x81 : 0x01;
+                epInfo[i].maxPktSize  = 0;
+                epInfo[i].bmSndToggle = 0;
+                epInfo[i].bmRcvToggle = 0;
+        }
+
         // get memory address of USB device address pool
         AddressPool &addrPool = pUsb->GetAddressPool();
 
@@ -192,15 +199,18 @@ uint8_t USBH_MIDI::Init(uint8_t parent, uint8_t port, bool lowspeed)
         USBTRACE(" PID:"), D_PrintHex(pid, 0x80);
         USBTRACE2(" #Conf:", num_of_conf);
 
+        isMidiFound  = false;
         for (uint8_t i=0; i<num_of_conf; i++) {
-                parseConfigDescr(bAddress, i);
+                rcode = parseConfigDescr(bAddress, i);
+                if( rcode )
+                        goto FailGetConfDescr;
                 if (bNumEP > 1)
                         break;
         } // for
 
         USBTRACE2("\r\nNumEP:", bNumEP);
 
-        if( bNumEP < 3 ){  //Device not found.
+        if( bNumEP < 2 ){  //Device not found.
                 rcode = 0xff;
                 goto FailGetConfDescr;
         }
@@ -214,7 +224,7 @@ uint8_t USBH_MIDI::Init(uint8_t parent, uint8_t port, bool lowspeed)
         }
 
         // Assign epInfo to epinfo pointer
-        rcode = pUsb->setEpInfoEntry(bAddress, bNumEP, epInfo);
+        rcode = pUsb->setEpInfoEntry(bAddress, 3, epInfo);
         USBTRACE2("Conf:", bConfNum);
         USBTRACE2("EPin :", (uint8_t)(epInfo[epDataInIndex].epAddr + 0x80));
         USBTRACE2("EPout:", epInfo[epDataOutIndex].epAddr);
@@ -236,7 +246,7 @@ FailSetConfDescr:
 }
 
 /* get and parse config descriptor */
-void USBH_MIDI::parseConfigDescr( uint8_t addr, uint8_t conf )
+uint8_t USBH_MIDI::parseConfigDescr( uint8_t addr, uint8_t conf )
 {
         uint8_t buf[ DESC_BUFF_SIZE ];
         uint8_t* buf_ptr = buf;
@@ -250,7 +260,7 @@ void USBH_MIDI::parseConfigDescr( uint8_t addr, uint8_t conf )
         // get configuration descriptor (get descriptor size only)
         rcode = pUsb->getConfDescr( addr, 0, 4, conf, buf );
         if( rcode ){
-                return;
+                return rcode;
         }
         total_length = buf[2] | ((int)buf[3] << 8);
         if( total_length > DESC_BUFF_SIZE ) {    //check if total length is larger than buffer
@@ -260,7 +270,7 @@ void USBH_MIDI::parseConfigDescr( uint8_t addr, uint8_t conf )
         // get configuration descriptor (all)
         rcode = pUsb->getConfDescr( addr, 0, total_length, conf, buf ); //get the whole descriptor
         if( rcode ){
-                return;
+                return rcode;
         }
 
         //parsing descriptors
@@ -313,6 +323,7 @@ void USBH_MIDI::parseConfigDescr( uint8_t addr, uint8_t conf )
                 }//switch( descr_type
                 buf_ptr += descr_length;    //advance buffer pointer
         }//while( buf_ptr <=...
+        return 0;
 }
 
 /* Performs a cleanup after failed Init() attempt */
@@ -340,12 +351,12 @@ uint8_t USBH_MIDI::RecvData(uint16_t *bytes_rcvd, uint8_t *dataptr)
 }
 
 /* Receive data from MIDI device */
-uint8_t USBH_MIDI::RecvData(uint8_t *outBuf)
+uint8_t USBH_MIDI::RecvData(uint8_t *outBuf, bool isRaw)
 {
         uint8_t rcode = 0;     //return code
         uint16_t  rcvd;
 
-        if( bPollEnable == false ) return false;
+        if( bPollEnable == false ) return 0;
 
         //Checking unprocessed message in buffer.
         if( readPtr != 0 && readPtr < MIDI_EVENT_PACKET_SIZE ){
@@ -368,14 +379,22 @@ uint8_t USBH_MIDI::RecvData(uint8_t *outBuf)
         }
 
 RecvData_return_from_buffer:
+        uint8_t m;
+        uint8_t cin = recvBuf[readPtr];
+        if( isRaw == true ) {
+                *(outBuf++) = cin;
+        }
         readPtr++;
-        outBuf[0] = recvBuf[readPtr];
+        *(outBuf++) = m = recvBuf[readPtr++];
-        readPtr++;
+        *(outBuf++) =     recvBuf[readPtr++];
-        outBuf[1] = recvBuf[readPtr];
+        *(outBuf++) =     recvBuf[readPtr++];
-        readPtr++;
+        return lookupMsgSize(m, cin);
-        outBuf[2] = recvBuf[readPtr];
+}
-        readPtr++;
+
-        return lookupMsgSize(outBuf[0]);
+/* Receive raw data from MIDI device */
+uint8_t USBH_MIDI::RecvRawData(uint8_t *outBuf)
+{
+        return RecvData(outBuf, true);
 }
 
 /* Send data to MIDI device */
@@ -443,10 +462,18 @@ void USBH_MIDI::PrintEndpointDescriptor( const USB_ENDPOINT_DESCRIPTOR* ep_ptr )
 /*Return                                 */
 /*  0 : undefined message                */
 /*  0<: Vaild message size(1-3)          */
-uint8_t USBH_MIDI::lookupMsgSize(uint8_t midiMsg)
+uint8_t USBH_MIDI::lookupMsgSize(uint8_t midiMsg, uint8_t cin)
 {
         uint8_t msgSize = 0;
 
+        //SysEx message?
+        cin = cin & 0x0f;
+        if( (cin & 0xc) == 4 ) {
+                if( cin == 4 || cin == 7 ) return 3;
+                if( cin == 6 )             return 2;
+                if( cin == 5 )             return 1;
+        }
+
         if( midiMsg < 0xf0 ) midiMsg &= 0xf0;
         switch(midiMsg) {
           //3 bytes messages
@@ -500,8 +527,8 @@ uint16_t USBH_MIDI::countSysExDataSize(uint8_t *dataptr)
                 dataptr++;
                 c++;
 
-                //Limiter (upto 256 bytes)
+                //Limiter (default: 256 bytes)
-                if(c > 256){
+                if(c > MIDI_MAX_SYSEX_SIZE){
                         c = 0;
                         break;
                 }
@@ -512,13 +539,15 @@ uint16_t USBH_MIDI::countSysExDataSize(uint8_t *dataptr)
 /* Send SysEx message to MIDI device */
 uint8_t USBH_MIDI::SendSysEx(uint8_t *dataptr, uint16_t datasize, uint8_t nCable)
 {
-        uint8_t buf[64];
+        uint8_t buf[MIDI_EVENT_PACKET_SIZE];
-        uint8_t rc;
+        uint8_t rc = 0;
         uint16_t n = datasize;
         uint16_t pktSize = (n*10/3+7)/10*4;   //Calculate total USB MIDI packet size
         uint8_t wptr = 0;
         uint8_t maxpkt = epInfo[epDataInIndex].maxPktSize;
 
+        if( maxpkt > MIDI_EVENT_PACKET_SIZE ) maxpkt = MIDI_EVENT_PACKET_SIZE;
+
         USBTRACE("SendSysEx:\r\t");
         USBTRACE2(" Length:\t", datasize);
         USBTRACE2(" Total pktSize:\t", pktSize);
@@ -571,60 +600,33 @@ uint8_t USBH_MIDI::SendRawData(uint16_t bytes_send, uint8_t *dataptr)
 
 }
 
-//
+uint8_t USBH_MIDI::extractSysExData(uint8_t *p, uint8_t *buf)
-// System Exclusive packet data management class
-//
-MidiSysEx::MidiSysEx()
 {
-        clear();
+        uint8_t rc = 0;
-}
-
-void MidiSysEx::clear()
-{
-        pos = 0;
-        buf[0] = 0;
-}
-
-MidiSysEx::Status MidiSysEx::set(uint8_t *p)
-{
-        MidiSysEx::Status rc = MidiSysEx::ok;
         uint8_t cin = *(p) & 0x0f;
 
         //SysEx message?
-        if( (cin & 0xc) != 4 ) return MidiSysEx::nonsysex;
+        if( (cin & 0xc) != 4 ) return rc;
 
         switch(cin) {
             case 4:
             case 7:
-                if( pos+2 < MIDI_EVENT_PACKET_SIZE ) {
+                *buf++ = *(p+1);
-                        buf[pos++] = *(p+1);
+                *buf++ = *(p+2);
-                        buf[pos++] = *(p+2);
+                *buf++ = *(p+3);
-                        buf[pos++] = *(p+3);
+                rc = 3;
-                }else{
-                        rc = MidiSysEx::overflow;
-                }
-                break;
-            case 5:
-                if( pos+1 < MIDI_EVENT_PACKET_SIZE ) {
-                        buf[pos++] = *(p+1);
-                        buf[pos++] = *(p+2);
-                }else{
-                        rc = MidiSysEx::overflow;
-                }
                 break;
             case 6:
-                if( pos < MIDI_EVENT_PACKET_SIZE ) {
+                *buf++ = *(p+1);
-                        buf[pos++] = *(p+1);
+                *buf++ = *(p+2);
-                }else{
+                rc = 2;
-                        rc = MidiSysEx::overflow;
+                break;
-                }
+            case 5:
+                *buf++ = *(p+1);
+                rc = 1;
                 break;
             default:
                 break;
         }
-        //SysEx end?
-        if((cin & 0x3) != 0) {
-                rc = MidiSysEx::done;
-        }
         return(rc);
 }

usbh_midi.h

@@ -1,7 +1,7 @@
 /*
  *******************************************************************************
  * USB-MIDI class driver for USB Host Shield 2.0 Library
- * Copyright (c) 2012-2016 Yuuichi Akagawa
+ * Copyright (c) 2012-2017 Yuuichi Akagawa
  *
  * Idea from LPK25 USB-MIDI to Serial MIDI converter
  *   by Collin Cunningham - makezine.com, narbotic.com
@@ -33,6 +33,7 @@
 #define USB_SUBCLASS_MIDISTREAMING 3
 #define DESC_BUFF_SIZE        256
 #define MIDI_EVENT_PACKET_SIZE 64
+#define MIDI_MAX_SYSEX_SIZE   256
 class USBH_MIDI;
 
 class USBH_MIDI : public USBDeviceConfig
@@ -57,7 +58,7 @@ protected:
         uint8_t recvBuf[MIDI_EVENT_PACKET_SIZE];
         uint8_t readPtr;
 
-        void parseConfigDescr(uint8_t addr, uint8_t conf);
+        uint8_t parseConfigDescr(uint8_t addr, uint8_t conf);
         uint16_t countSysExDataSize(uint8_t *dataptr);
 #ifdef DEBUG_USB_HOST
         void PrintEndpointDescriptor( const USB_ENDPOINT_DESCRIPTOR* ep_ptr );
@@ -67,10 +68,12 @@ public:
         USBH_MIDI(USB *p);
         // Methods for recieving and sending data
         uint8_t RecvData(uint16_t *bytes_rcvd, uint8_t *dataptr);
-        uint8_t RecvData(uint8_t *outBuf);
+        uint8_t RecvData(uint8_t *outBuf, bool isRaw=false);
+        uint8_t RecvRawData(uint8_t *outBuf);
         uint8_t SendData(uint8_t *dataptr, uint8_t nCable=0);
-        uint8_t lookupMsgSize(uint8_t midiMsg);
+        uint8_t lookupMsgSize(uint8_t midiMsg, uint8_t cin=0);
         uint8_t SendSysEx(uint8_t *dataptr, uint16_t datasize, uint8_t nCable=0);
+        uint8_t extractSysExData(uint8_t *p, uint8_t *buf);
         uint8_t SendRawData(uint16_t bytes_send, uint8_t *dataptr);
         // backward compatibility functions
         inline uint8_t RcvData(uint16_t *bytes_rcvd, uint8_t *dataptr){ return RecvData(bytes_rcvd, dataptr); };
@@ -81,27 +84,4 @@ public:
         virtual uint8_t Release();
         virtual uint8_t GetAddress() { return bAddress; };
 };
-
-//
-// System Exclusive packet data management class
-//
-class MidiSysEx {
-private:
-        uint8_t pos;
-        uint8_t buf[MIDI_EVENT_PACKET_SIZE];
-public:
-        typedef enum {
-                nonsysex = 0,
-                ok       = 1,
-                done     = 0xfe,
-                overflow = 0xff
-        } Status;
-
-        MidiSysEx();
-        void clear();
-        MidiSysEx::Status set(uint8_t *p);
-        inline uint8_t *get(){return buf;};
-        inline uint8_t getSize(){return pos;};
-};
-
 #endif //_USBH_MIDI_H_