Diff: MIDI_sub3.h

Revision:

0:f6a989e8125b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MIDI_sub3.h	Sun Dec 21 23:41:13 2014 +0000
@@ -0,0 +1,149 @@
+unsigned char rxFIFO[256], txFIFO[256], adc_old[10], trigger_status;
+unsigned char rx_top, rx_end, tx_top, tx_end, status, keyno, dcb;
+int midi_message, adc_no;
+
+RawSerial MIDI(PA_2, PA_3);
+DigitalOut myled(LED1);
+PortOut DataBus(PortA, 0x1FE0); // PA_12 --- PA_5
+PortOut LatchPulse(PortB, 0x01F8); // PB_8 --- PB_3
+PortOut TriggerOut(PortB, 0xF000); // PB_15 --- PB_12
+AnalogIn analog_value1(PA_0);
+AnalogIn analog_value2(PA_1);
+AnalogIn analog_value3(PA_4);
+AnalogIn analog_value4(PB_0);
+AnalogIn analog_value5(PC_1);
+AnalogIn analog_value6(PC_0);
+AnalogIn analog_value7(PC_2);
+AnalogIn analog_value8(PC_3);
+AnalogIn analog_value9(PC_4);
+AnalogIn analog_value10(PB_1);
+
+void Trigger_send(int address, int data){
+    unsigned char mask;
+    mask = 0x01 << address;
+    trigger_status &= (~mask);
+    if(data == 0){
+        trigger_status += mask;        
+    }
+    TriggerOut.write((trigger_status & 0x0F) << 12);
+    return;
+}
+
+unsigned char ADC_get(int num){
+    unsigned short data = 0;
+    switch(num){
+        case(0):
+            data = analog_value1.read_u16();
+            break;
+        case(1):
+            data = analog_value2.read_u16();
+            break;
+        case(2):
+            data = analog_value3.read_u16();
+            break;
+        case(3):
+            data = analog_value4.read_u16();
+            break;
+        case(4):
+            data = analog_value5.read_u16();
+            break;
+        case(5):
+            data = analog_value6.read_u16();
+            break;
+        case(6):
+            data = analog_value7.read_u16();
+            break;
+        case(7):
+            data = analog_value8.read_u16();
+            break;
+        case(8):
+            data = analog_value9.read_u16();
+            break;
+        case(9):
+            data = analog_value10.read_u16();
+            break;
+    }
+    return(data>>9);
+}
+    
+void DAC_out(int address, int data){
+    DataBus.write(data<<5);
+    switch(address){
+        case(0):
+            LatchPulse.write(0x01F0);
+            break;
+        case(1):
+            LatchPulse.write(0x01E8);
+            break;
+        case(2):
+            LatchPulse.write(0x01D8);
+            break;
+        case(3):
+            LatchPulse.write(0x01B8);
+            break;
+        case(4):
+            LatchPulse.write(0x0178);
+            break;
+        case(5):
+            LatchPulse.write(0x00F8);
+            break;
+        default:
+            break;
+    }
+    LatchPulse.write(0x01F8);
+    return;
+}
+
+int rx_fifo_check(void){
+    unsigned char data;
+    if(rx_top != rx_end){
+        data = rxFIFO[rx_end];
+        ++rx_end &= 255;
+        if (data > 127){
+            status = data;
+            dcb = 0;
+            return(0);
+        }
+        else if(status > 0xEF){
+            return(0);
+        }
+        else if( (status > 0xBF) && (status < 0xE0) ){
+            midi_message = (status<<16) + (data<<8);
+            dcb = 0;
+            return(1);
+        }
+        else if(dcb==0){
+            keyno = data;
+            dcb++;
+            return(0);
+        }
+        else{
+            midi_message = (status<<16) + (keyno<<8) + data;
+            dcb = 0;
+            return(1);
+        }
+    }
+    return(0);
+}
+
+void rx_fifoset(void){
+    rxFIFO[rx_top] = MIDI.getc();
+    ++rx_top &= 255;
+    return;
+}
+
+void tx_fifo_check(void){
+    if(MIDI.writeable() == 1){
+        if(tx_top != tx_end){
+            MIDI.putc(txFIFO[tx_end]);
+            ++tx_end &= 255;
+        }
+    }
+    return;
+}
+
+void tx_fifoset(unsigned char data){
+    txFIFO[tx_top] = data;
+    ++tx_top &= 255;
+    return;
+}