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PR2028: Milkymist USB: forward MIDI messages.

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Forward MIDI messages from the softusb controller to the application.

Signed-off-by: Gedare Bloom <gedare@rtems.org>
This commit is contained in:
Werner Almesberger
2012-02-29 11:08:44 -05:00
committed by Gedare Bloom
parent 19d18f2350
commit f7bb9f922d
2 changed files with 12 additions and 0 deletions
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2
c/src/lib/libbsp/lm32/shared/milkymist_usbinput/comloc.h
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@@ -22,5 +22,7 @@
#define COMLOC_MEVT(offset) COMLOCV(MM_SOFTUSB_DMEM_BASE+0x1102+offset)
#define COMLOC_KEVT_PRODUCE COMLOCV(MM_SOFTUSB_DMEM_BASE+0x1142)
#define COMLOC_KEVT(offset) COMLOCV(MM_SOFTUSB_DMEM_BASE+0x1143+offset)
#define COMLOC_MIDI_PRODUCE COMLOCV(MM_SOFTUSB_DMEM_BASE+0x1183)
#define COMLOC_MIDI(offset) COMLOCV(MM_SOFTUSB_DMEM_BASE+0x1184+offset)
#endif /* __COMLOC_H_ */

10
c/src/lib/libbsp/lm32/shared/milkymist_usbinput/usbinput.c
View File

@@ -35,6 +35,7 @@ static const unsigned char input_firmware[] = {
static int mouse_consume;
static int keyboard_consume;
static int midi_consume;
static rtems_id event_q;
@@ -58,6 +59,14 @@ static rtems_isr interrupt_handler(rtems_vector_number n)
rtems_message_queue_send(event_q, msg, 8);
keyboard_consume = (keyboard_consume + 1) & 0x07;
}
while(midi_consume != COMLOC_MIDI_PRODUCE) {
for(i=0;i<3;i++)
msg[i] = COMLOC_MIDI(4*midi_consume+i+1);
rtems_message_queue_send(event_q, msg, 3);
midi_consume = (midi_consume + 1) & 0x0f;
}
}
rtems_device_driver usbinput_initialize(
@@ -87,6 +96,7 @@ rtems_device_driver usbinput_initialize(
mouse_consume = 0;
keyboard_consume = 0;
midi_consume = 0;
sc = rtems_io_register_name(DEVICE_NAME, major, 0);
RTEMS_CHECK_SC(sc, "create USB input device");