BLE MIDI

Dependencies:   BLE_API mbed nRF51822

Revision:
0:7de36d52cfef
diff -r 000000000000 -r 7de36d52cfef LEDService.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LEDService.h	Mon Jun 12 17:12:31 2017 +0000
@@ -0,0 +1,72 @@
+
+/*
+ *  Copyright (c) 2016 Samuele Cornell  
+ *
+ *  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.
+ *
+ */
+
+#define UART_RX_PIN USBRX// RX  UART Pin  
+
+#define UART_TX_PIN USBTX// TX UART Pin 
+
+// i have used DFRobot MIDI Shield but there are other commercially available similar products, also it is possible to interface directly a MIDI cable via an optocoupler (several projects are already available online ) 
+
+#define LIGHT_SHOW 1 // 0 if visual feedback isn't needed  (saves energy )
+
+#define TX_LED D6 // the state of this led will change whenever a message is to be sent over ble-midi
+
+#define RX_LED D7 // the state of this led will change whenever a message received over ble-midi
+
+
+/*******************************************************************************************************
+PERFORMANCE TWEAKS
+*******************************************************************************************************/
+
+
+#define BUFSERIAL_LENGHT 256 // define the software circular buffer lenght used for the UART. 
+
+
+#define ONLY_MIDI_to_BLEMIDI 1 // if only unidirectional MIDI to BLE-MIDI is desired set this to 1  
+
+
+#define ONLY_BLEMIDI_to_MIDI 1 // if only unidirectional BLE-MIDI to MIDI is desired set this to 1 
+
+// unidirectional operation allows to save energy. It also leads to better performance as if ONLY MIDI to BLE MIDI is required, for example it is  possible to shorten the SENDBLE_INTERVAL
+// without reliability issues (to a certain extent).   
+
+#define SENDBLEMIDI_INTERVAL 0.01 // this defines how frequently MIDI Events from the UART are polled, parsed and then sent via BLE-MIDI. 
+                                 // a lower value means less latency but it also increase energy comsuption and if is set too low can cause reliability issues in MIDI to BLE-MIDI operation (especially for long SysEx messages).  
+
+
+/***************************************************************************************************************
+CONNECTION PARAMETERS 
+***************************************************************************************************************/
+
+namespace Config { 
+
+// 
+const int minConnectionInterval = 6; // (1.25 ms units)  
+const int maxConnectionInterval = 15; // (1.25 ms units)
+const int slaveLatency          = 0;
+const int supervisionTimeout    = 500; // (10 ms units)
+
+
+
+}