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Added hid controls

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This commit is contained in:
Ross Owen
2012-04-10 15:18:13 +01:00
parent ac0fa94bc7
commit b900002f84
8 changed files with 239 additions and 36 deletions
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10
module_usb_midi/src/usb_midi.xc
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@@ -21,6 +21,10 @@ static unsigned makeSymbol(unsigned data)
#define RATE 31250
#ifndef MIDI_SHIFT_TX
#define MIDI_SHIFT_TX 0
#endif
static unsigned bit_time = XS1_TIMER_MHZ * 1000000 / (unsigned) RATE;
static unsigned bit_time_2 = (XS1_TIMER_MHZ * 1000000 / (unsigned) RATE) / 2;
@@ -133,7 +137,7 @@ void usb_midi(port ?p_midi_in, port ?p_midi_out,
#ifdef IAP
CoProcessorDisable();
#endif
p_midi_out <: 1; // Start with high bit.
p_midi_out <: 1 << MIDI_SHIFT_TX; // Start with high bit.
#ifdef IAP
CoProcessorEnable();
#endif
@@ -253,7 +257,7 @@ void usb_midi(port ?p_midi_in, port ?p_midi_out,
midi_send_ack(c_midi);
}
p_midi_out <: 1 @ txPT;
p_midi_out <: (1<<MIDI_SHIFT_TX) @ txPT;
// printstr("mout1\n");
t :> txT;
txT += bit_time;
@@ -265,7 +269,7 @@ void usb_midi(port ?p_midi_in, port ?p_midi_out,
// Mid-symbol
txT += bit_time; // Should this be after the output otherwise be double the length of the high before the start bit
txPT += bit_time;
p_midi_out @ txPT <: (symbol & 1);
p_midi_out @ txPT <: ((symbol & 1)<<MIDI_SHIFT_TX);
// printstr("mout2\n");
symbol >>= 1;
if (symbol == 0)