1 files changed, 60 insertions, 2 deletions

diff --git a/src/app.c b/src/app.c
index fed9127..5b83182 100644
--- a/src/app.c
+++ b/src/app.c
@@ -51,37 +51,94 @@ static const u16 *g_ADC = 0;
 
 void app_surface_event(u8 type, u8 index, u8 value)
 {
+    switch (type)
+    {
+        case  TYPEPAD:
+        {
+            // example - light / extinguish pad LEDs, send MIDI
+            hal_plot_led(TYPEPAD, index, value, value, value);
+            hal_send_midi(DINMIDI, NOTEON | 0, index, value);
+        }
+            break;
+            
+        case TYPESETUP:
+        {
+            // example - light the setup LED
+            hal_plot_led(TYPESETUP, 0, value, value, value);
+        }
+            break;
+    }
 }
 
 //______________________________________________________________________________
 
 void app_midi_event(u8 port, u8 status, u8 d1, u8 d2)
 {
+    // example - MIDI interface functionality for USB "MIDI" port -> DIN port
+    if (port == USBMIDI)
+    {
+        hal_send_midi(DINMIDI, status, d1, d2);
+    }
+    
+    // // example -MIDI interface functionality for DIN -> USB "MIDI" port port
+    if (port == DINMIDI)
+    {
+        hal_send_midi(USBMIDI, status, d1, d2);
+    }
 }
 
 //______________________________________________________________________________
 
 void app_sysex_event(u8 port, u8 * data, u16 count)
 {
+    // example - respond to UDI messages?
 }
 
 //______________________________________________________________________________
 
 void app_aftertouch_event(u8 index, u8 value)
 {
+    // example - send poly aftertouch to MIDI ports
+    hal_send_midi(USBMIDI, POLYAFTERTOUCH | 0, index, value);
+    
+    // example - set LED to white, brightness in proportion to pressure
+    hal_plot_led(TYPEPAD, index, value/2, value/2, value/2);
 }
-        
+
 //______________________________________________________________________________
 
 void app_cable_event(u8 type, u8 value)
 {
+    // example - light the Setup LED to indicate cable connections
+    if (type == MIDI_IN_CABLE)
+    {
+        hal_plot_led(TYPESETUP, 0, 0, value, 0); // green
+    }
+    else if (type == MIDI_OUT_CABLE)
+    {
+        hal_plot_led(TYPESETUP, 0, value, 0, 0); // red
+    }
 }
 
 //______________________________________________________________________________
 
 void app_timer_event()
 {
-        // render raw ADC data as LEDs
+    // example - send MIDI clock at 125bpm
+#define TICK_MS 20
+    
+    static u8 ms = TICK_MS;
+    
+    if (++ms >= TICK_MS)
+    {
+        ms = 0;
+        
+        // send a clock pulse up the USB
+        hal_send_midi(USBSTANDALONE, MIDITIMINGCLOCK, 0, 0);
+    }
+    
+/*
+        // alternative example - show raw ADC data as LEDs
         for (int i=0; i < PAD_COUNT; ++i)
         {
                 // raw adc values are 12 bit, but LEDs are 6 bit.
@@ -109,6 +166,7 @@ void app_timer_event()
                 
                 hal_plot_led(TYPEPAD, ADC_MAP[i], r, g, b);
         }
+ */
 }
 
 //______________________________________________________________________________