mbeduino_MIDI_Shield_test - mbeduino MIDI Shield test I ported SparkFun MI…

Users » xshige » Code » mbeduino_MIDI_Shield_test

Shigeki KOMATSU / Mbed 2 deprecated mbeduino_MIDI_Shield_test

mbeduino MIDI Shield test I ported SparkFun MIDI Shield test code into meduino. Regarding mbeduino, refer to http://mbed.org/users/okini3939/notebook/mbeduino/

Dependencies: mbed

main.cpp@0:665c7d36f533, 2010-10-11 (annotated)

Committer:: xshige
Date:: Mon Oct 11 10:53:42 2010 +0000
Revision:: 0:665c7d36f533

Who changed what in which revision?

User	Revision	Line number	New contents of line
xshige	0:665c7d36f533	1	//
xshige	0:665c7d36f533	2	// mbeduino MIDI Shield test
xshige	0:665c7d36f533	3	//
xshige	0:665c7d36f533	4	// original: SparkFun MIDI Sheild test code
xshige	0:665c7d36f533	5	//
xshige	0:665c7d36f533	6	// 2010/10/11 ported by: xshige
xshige	0:665c7d36f533	7	// I keep the original(Arduino) programming style as much as possible
xshige	0:665c7d36f533	8
xshige	0:665c7d36f533	9	#include "mbed.h"
xshige	0:665c7d36f533	10	#include "ArduinoShield.h"
xshige	0:665c7d36f533	11
xshige	0:665c7d36f533	12	// ---- --Arduino program start ------------
xshige	0:665c7d36f533	13
xshige	0:665c7d36f533	14	// SparkFun MIDI Sheild and MIDI Breakout test code
xshige	0:665c7d36f533	15	// Defines bare-bones routines for sending and receiving MIDI data
xshige	0:665c7d36f533	16	// Written 02/16/10
xshige	0:665c7d36f533	17
xshige	0:665c7d36f533	18
xshige	0:665c7d36f533	19	// defines for MIDI Shield components only
xshige	0:665c7d36f533	20	#if 1
xshige	0:665c7d36f533	21	#define KNOB1 ARD_A0
xshige	0:665c7d36f533	22	#define KNOB2 ARD_A1
xshige	0:665c7d36f533	23
xshige	0:665c7d36f533	24	#define BUTTON1 ARD_D2
xshige	0:665c7d36f533	25	#define BUTTON2 ARD_D3
xshige	0:665c7d36f533	26	#define BUTTON3 ARD_D4
xshige	0:665c7d36f533	27
xshige	0:665c7d36f533	28	#define STAT1 ARD_D7
xshige	0:665c7d36f533	29	#define STAT2 ARD_D6
xshige	0:665c7d36f533	30	#endif
xshige	0:665c7d36f533	31	#if 0
xshige	0:665c7d36f533	32	#define KNOB1 0
xshige	0:665c7d36f533	33	#define KNOB2 1
xshige	0:665c7d36f533	34
xshige	0:665c7d36f533	35	#define BUTTON1 2
xshige	0:665c7d36f533	36	#define BUTTON2 3
xshige	0:665c7d36f533	37	#define BUTTON3 4
xshige	0:665c7d36f533	38
xshige	0:665c7d36f533	39	#define STAT1 7
xshige	0:665c7d36f533	40	#define STAT2 6
xshige	0:665c7d36f533	41	#endif
xshige	0:665c7d36f533	42
xshige	0:665c7d36f533	43	#define OFF 1
xshige	0:665c7d36f533	44	#define ON 2
xshige	0:665c7d36f533	45	#define WAIT 3
xshige	0:665c7d36f533	46
xshige	0:665c7d36f533	47	byte incomingByte;
xshige	0:665c7d36f533	48	byte note;
xshige	0:665c7d36f533	49	byte velocity;
xshige	0:665c7d36f533	50	int pot;
xshige	0:665c7d36f533	51
xshige	0:665c7d36f533	52	byte byte1;
xshige	0:665c7d36f533	53	byte byte2;
xshige	0:665c7d36f533	54	byte byte3;
xshige	0:665c7d36f533	55
xshige	0:665c7d36f533	56	int action=2; //1 =note off ; 2=note on ; 3= wait
xshige	0:665c7d36f533	57
xshige	0:665c7d36f533	58	#if 1
xshige	0:665c7d36f533	59	// prototype
xshige	0:665c7d36f533	60	char button(int button_num);
xshige	0:665c7d36f533	61	// button_num should be int not char!.
xshige	0:665c7d36f533	62	void Midi_Send(byte cmd, byte data1, byte data2);
xshige	0:665c7d36f533	63
xshige	0:665c7d36f533	64	// port allocation
xshige	0:665c7d36f533	65	DigitalOut stat1(STAT1);
xshige	0:665c7d36f533	66	DigitalOut stat2(STAT2);
xshige	0:665c7d36f533	67
xshige	0:665c7d36f533	68	AnalogIn knob1(KNOB1);
xshige	0:665c7d36f533	69	AnalogIn knob2(KNOB2);
xshige	0:665c7d36f533	70
xshige	0:665c7d36f533	71	DigitalInOut button1(BUTTON1);
xshige	0:665c7d36f533	72	DigitalInOut button2(BUTTON2);
xshige	0:665c7d36f533	73	DigitalInOut button3(BUTTON3);
xshige	0:665c7d36f533	74
xshige	0:665c7d36f533	75	Serial midi(ARD_TX, ARD_RX);
xshige	0:665c7d36f533	76	#endif
xshige	0:665c7d36f533	77
xshige	0:665c7d36f533	78	void setup() {
xshige	0:665c7d36f533	79	#if 1
xshige	0:665c7d36f533	80	button1.mode(PullUp);
xshige	0:665c7d36f533	81	button2.mode(PullUp);
xshige	0:665c7d36f533	82	button3.mode(PullUp);
xshige	0:665c7d36f533	83	#endif
xshige	0:665c7d36f533	84	#if 0
xshige	0:665c7d36f533	85	pinMode(STAT1,OUTPUT);
xshige	0:665c7d36f533	86	pinMode(STAT2,OUTPUT);
xshige	0:665c7d36f533	87
xshige	0:665c7d36f533	88	pinMode(BUTTON1,INPUT);
xshige	0:665c7d36f533	89	pinMode(BUTTON2,INPUT);
xshige	0:665c7d36f533	90	pinMode(BUTTON3,INPUT);
xshige	0:665c7d36f533	91
xshige	0:665c7d36f533	92	digitalWrite(BUTTON1,HIGH);
xshige	0:665c7d36f533	93	digitalWrite(BUTTON2,HIGH);
xshige	0:665c7d36f533	94	digitalWrite(BUTTON3,HIGH);
xshige	0:665c7d36f533	95	#endif
xshige	0:665c7d36f533	96
xshige	0:665c7d36f533	97	for(int i = 0;i < 10;i++) // flash MIDI Sheild LED's on startup
xshige	0:665c7d36f533	98	{
xshige	0:665c7d36f533	99	#if 1
xshige	0:665c7d36f533	100	stat1=HIGH;
xshige	0:665c7d36f533	101	stat2=LOW;
xshige	0:665c7d36f533	102	#endif
xshige	0:665c7d36f533	103	#if 0
xshige	0:665c7d36f533	104	digitalWrite(STAT1,HIGH);
xshige	0:665c7d36f533	105	digitalWrite(STAT2,LOW);
xshige	0:665c7d36f533	106	#endif
xshige	0:665c7d36f533	107	delay(30);
xshige	0:665c7d36f533	108	#if 1
xshige	0:665c7d36f533	109	stat1=LOW;
xshige	0:665c7d36f533	110	stat2=HIGH;
xshige	0:665c7d36f533	111	#endif
xshige	0:665c7d36f533	112	#if 0
xshige	0:665c7d36f533	113	digitalWrite(STAT1,LOW);
xshige	0:665c7d36f533	114	digitalWrite(STAT2,HIGH);
xshige	0:665c7d36f533	115	#endif
xshige	0:665c7d36f533	116	delay(30);
xshige	0:665c7d36f533	117	}
xshige	0:665c7d36f533	118	#if 1
xshige	0:665c7d36f533	119	stat1=HIGH;
xshige	0:665c7d36f533	120	stat2=HIGH;
xshige	0:665c7d36f533	121	#endif
xshige	0:665c7d36f533	122	#if 0
xshige	0:665c7d36f533	123	digitalWrite(STAT1,HIGH);
xshige	0:665c7d36f533	124	digitalWrite(STAT2,HIGH);
xshige	0:665c7d36f533	125	#endif
xshige	0:665c7d36f533	126
xshige	0:665c7d36f533	127	//start serial with midi baudrate 31250
xshige	0:665c7d36f533	128	#if 1
xshige	0:665c7d36f533	129	midi.baud(31250);
xshige	0:665c7d36f533	130	#endif
xshige	0:665c7d36f533	131	#if 0
xshige	0:665c7d36f533	132	Serial.begin(31250);
xshige	0:665c7d36f533	133	#endif
xshige	0:665c7d36f533	134	}
xshige	0:665c7d36f533	135
xshige	0:665c7d36f533	136	void loop () {
xshige	0:665c7d36f533	137
xshige	0:665c7d36f533	138	//************* MIDI OUT *************//
xshige	0:665c7d36f533	139	#if 1
xshige	0:665c7d36f533	140	pot = knob1.read_u16();
xshige	0:665c7d36f533	141	//printf("pot:%d ",pot);// debug
xshige	0:665c7d36f533	142	#endif
xshige	0:665c7d36f533	143	#if 0
xshige	0:665c7d36f533	144	pot = analogRead(0);
xshige	0:665c7d36f533	145	#endif
xshige	0:665c7d36f533	146	#if 1
xshige	0:665c7d36f533	147	note = pot/511; // convert value to value 0-127
xshige	0:665c7d36f533	148	#endif
xshige	0:665c7d36f533	149	#if 0
xshige	0:665c7d36f533	150	note = pot/8; // convert value to value 0-127
xshige	0:665c7d36f533	151	#endif
xshige	0:665c7d36f533	152	if(button(BUTTON1) \|\| button(BUTTON2) \|\| button(BUTTON3))
xshige	0:665c7d36f533	153	{
xshige	0:665c7d36f533	154	Midi_Send(0x90,note,0x45);
xshige	0:665c7d36f533	155	while(button(BUTTON1) \|\| button(BUTTON2) \|\| button(BUTTON3));
xshige	0:665c7d36f533	156	}
xshige	0:665c7d36f533	157
xshige	0:665c7d36f533	158	//************* MIDI LOOPBACK ****************//
xshige	0:665c7d36f533	159	#if 1
xshige	0:665c7d36f533	160	if(midi.readable() > 0)
xshige	0:665c7d36f533	161	#endif
xshige	0:665c7d36f533	162	#if 0
xshige	0:665c7d36f533	163	if(Serial.available() > 0)
xshige	0:665c7d36f533	164	#endif
xshige	0:665c7d36f533	165	{
xshige	0:665c7d36f533	166	#if 1
xshige	0:665c7d36f533	167	byte1 = midi.getc();
xshige	0:665c7d36f533	168	byte2 = midi.getc();
xshige	0:665c7d36f533	169	byte3 = midi.getc();
xshige	0:665c7d36f533	170	#endif
xshige	0:665c7d36f533	171	#if 0
xshige	0:665c7d36f533	172	byte1 = Serial.read();
xshige	0:665c7d36f533	173	byte2 = Serial.read();
xshige	0:665c7d36f533	174	byte3 = Serial.read();
xshige	0:665c7d36f533	175	#endif
xshige	0:665c7d36f533	176	Midi_Send(byte1, byte2, byte3);
xshige	0:665c7d36f533	177	}
xshige	0:665c7d36f533	178
xshige	0:665c7d36f533	179	//************* MIDI IN *************//
xshige	0:665c7d36f533	180	#if 1
xshige	0:665c7d36f533	181	if (midi.readable() > 0) {
xshige	0:665c7d36f533	182	// read the incoming byte:
xshige	0:665c7d36f533	183	incomingByte = midi.getc();
xshige	0:665c7d36f533	184	printf("Incoming MIDI data: %02X\r\n",incomingByte);//debug
xshige	0:665c7d36f533	185	#endif
xshige	0:665c7d36f533	186	#if 0
xshige	0:665c7d36f533	187	if (Serial.available() > 0) {
xshige	0:665c7d36f533	188	// read the incoming byte:
xshige	0:665c7d36f533	189	incomingByte = Serial.read();
xshige	0:665c7d36f533	190	#endif
xshige	0:665c7d36f533	191	// wait for as status-byte, channel 1, note on or off
xshige	0:665c7d36f533	192	if (incomingByte== 144) // Note on
xshige	0:665c7d36f533	193	{
xshige	0:665c7d36f533	194	action = OFF;
xshige	0:665c7d36f533	195	}
xshige	0:665c7d36f533	196	else if (incomingByte== 128) // Note off
xshige	0:665c7d36f533	197	{
xshige	0:665c7d36f533	198	action = ON;
xshige	0:665c7d36f533	199	}
xshige	0:665c7d36f533	200	else if (note==0 && action != WAIT) // note on, wait for note value
xshige	0:665c7d36f533	201	{
xshige	0:665c7d36f533	202	note=incomingByte;
xshige	0:665c7d36f533	203	}
xshige	0:665c7d36f533	204	else if (note!=0 && action != WAIT) // velocity
xshige	0:665c7d36f533	205	{
xshige	0:665c7d36f533	206	velocity=incomingByte;
xshige	0:665c7d36f533	207	if(action == ON){
xshige	0:665c7d36f533	208	Midi_Send(0x90,note,velocity);
xshige	0:665c7d36f533	209	}
xshige	0:665c7d36f533	210	if(action == OFF){
xshige	0:665c7d36f533	211	Midi_Send(0x80,note,velocity);
xshige	0:665c7d36f533	212	}
xshige	0:665c7d36f533	213	note=0;
xshige	0:665c7d36f533	214	velocity=0;
xshige	0:665c7d36f533	215	action=WAIT;
xshige	0:665c7d36f533	216	}
xshige	0:665c7d36f533	217	else{
xshige	0:665c7d36f533	218	}
xshige	0:665c7d36f533	219	}
xshige	0:665c7d36f533	220
xshige	0:665c7d36f533	221	}
xshige	0:665c7d36f533	222
xshige	0:665c7d36f533	223	void Midi_Send(byte cmd, byte data1, byte data2) {
xshige	0:665c7d36f533	224	#if 1
xshige	0:665c7d36f533	225	printf("Outgoing MIDI data: %02X:%02X:%02X\r\n",cmd,data1,data2); // debug
xshige	0:665c7d36f533	226	midi.putc(cmd);
xshige	0:665c7d36f533	227	midi.putc(data1);
xshige	0:665c7d36f533	228	midi.putc(data2);
xshige	0:665c7d36f533	229	#endif
xshige	0:665c7d36f533	230	#if 0
xshige	0:665c7d36f533	231	Serial.print(cmd, BYTE);
xshige	0:665c7d36f533	232	Serial.print(data1, BYTE);
xshige	0:665c7d36f533	233	Serial.print(data2, BYTE);
xshige	0:665c7d36f533	234	#endif
xshige	0:665c7d36f533	235	}
xshige	0:665c7d36f533	236
xshige	0:665c7d36f533	237	void blink(){
xshige	0:665c7d36f533	238	#if 1
xshige	0:665c7d36f533	239	stat1=HIGH;
xshige	0:665c7d36f533	240	#endif
xshige	0:665c7d36f533	241	#if 0
xshige	0:665c7d36f533	242	digitalWrite(STAT1, HIGH);
xshige	0:665c7d36f533	243	#endif
xshige	0:665c7d36f533	244	delay(100);
xshige	0:665c7d36f533	245	#if 1
xshige	0:665c7d36f533	246	stat1=LOW;
xshige	0:665c7d36f533	247	#endif
xshige	0:665c7d36f533	248	#if 0
xshige	0:665c7d36f533	249	digitalWrite(STAT1, LOW);
xshige	0:665c7d36f533	250	#endif
xshige	0:665c7d36f533	251	delay(100);
xshige	0:665c7d36f533	252	}
xshige	0:665c7d36f533	253	#if 1
xshige	0:665c7d36f533	254	char button(int button_num)
xshige	0:665c7d36f533	255	#endif
xshige	0:665c7d36f533	256	#if 0
xshige	0:665c7d36f533	257	char button(char button_num)
xshige	0:665c7d36f533	258	#endif
xshige	0:665c7d36f533	259	{
xshige	0:665c7d36f533	260	#if 1
xshige	0:665c7d36f533	261	if (BUTTON1==button_num) return (!button1.read());
xshige	0:665c7d36f533	262	if (BUTTON2==button_num) return (!button2.read());
xshige	0:665c7d36f533	263	if (BUTTON3==button_num) return (!button3.read());
xshige	0:665c7d36f533	264	return 0; // never happen
xshige	0:665c7d36f533	265	#endif
xshige	0:665c7d36f533	266	#if 0
xshige	0:665c7d36f533	267	return (!(digitalRead(button_num)));
xshige	0:665c7d36f533	268	#endif
xshige	0:665c7d36f533	269	}
xshige	0:665c7d36f533	270
xshige	0:665c7d36f533	271
xshige	0:665c7d36f533	272	// -------- arduino hidden main ---------
xshige	0:665c7d36f533	273
xshige	0:665c7d36f533	274	void init(void) {
xshige	0:665c7d36f533	275	// make debug port Fast
xshige	0:665c7d36f533	276	Serial pc(USBTX, USBRX);
xshige	0:665c7d36f533	277	// pc.baud(9600);
xshige	0:665c7d36f533	278	pc.baud(115200);
xshige	0:665c7d36f533	279	// pc.baud(230400);
xshige	0:665c7d36f533	280	printf("mbeduino MIDI Shield Test\r\n");
xshige	0:665c7d36f533	281	printf("Rotate Knob#1 to change note.\r\n"
xshige	0:665c7d36f533	282	"Push any button to send MIDI note data.\r\n");
xshige	0:665c7d36f533	283	}
xshige	0:665c7d36f533	284
xshige	0:665c7d36f533	285	int main(void)
xshige	0:665c7d36f533	286	{
xshige	0:665c7d36f533	287	init();
xshige	0:665c7d36f533	288
xshige	0:665c7d36f533	289	setup();
xshige	0:665c7d36f533	290
xshige	0:665c7d36f533	291	for (;;)
xshige	0:665c7d36f533	292	loop();
xshige	0:665c7d36f533	293
xshige	0:665c7d36f533	294	return 0;
xshige	0:665c7d36f533	295	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	11 Oct 2010
Imports:	12
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	3

main.cpp@0:665c7d36f533, 2010-10-11 (annotated)

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