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m1/patches/rtems/: added Milkymist-specific USB-MIDI forwarding

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This commit is contained in:
Werner Almesberger 2011-11-30 06:46:03 -03:00
parent 49bd8fd8f5
commit a946aac7ba
2 changed files with 48 additions and 0 deletions
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47
m1/patches/rtems/milkymist-usb-midi.patch Normal file
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@ -0,0 +1,47 @@
Index: rtems/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/comloc.h
===================================================================
--- rtems.orig/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/comloc.h 2011-11-30 05:40:59.000000000 -0300
+++ rtems/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/comloc.h 2011-11-30 05:41:26.000000000 -0300
@@ -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_ */
Index: rtems/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/usbinput.c
===================================================================
--- rtems.orig/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/usbinput.c 2011-11-30 05:38:19.000000000 -0300
+++ rtems/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/usbinput.c 2011-11-30 05:40:54.000000000 -0300
@@ -35,6 +35,7 @@
static int mouse_consume;
static int keyboard_consume;
+static int midi_consume;
static rtems_id event_q;
@@ -58,6 +59,14 @@
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 @@
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");

1
m1/patches/rtems/series
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@ -14,3 +14,4 @@
# milkymist-map-sysfreq.patch - applied 2011-11-27
# milkymist-videoformat.patch - applied 2011-11-27
#fix-timer-includes.patch
milkymist-usb-midi.patch