1 files changed, 81 insertions, 0 deletions
diff --git a/protocol/pjrc/usb_mouse.c b/protocol/pjrc/usb_mouse.c
new file mode 100644
index 0000000000..d81db756f3
--- /dev/null
+++ b/protocol/pjrc/usb_mouse.c
@@ -0,0 +1,81 @@
+/* USB Mouse Plus Debug Channel Example for Teensy USB Development Board
+ * http://www.pjrc.com/teensy/usb_mouse.html
+ * Copyright (c) 2009 PJRC.COM, LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include "usb_mouse.h"
+#include "print.h"
+#include "debug.h"
+
+
+uint8_t usb_mouse_protocol=1;
+
+
+int8_t usb_mouse_send(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons)
+{
+	uint8_t intr_state, timeout;
+
+	if (!usb_configured()) return -1;
+	if (x == -128) x = -127;
+	if (y == -128) y = -127;
+	if (wheel_v == -128) wheel_v = -127;
+	if (wheel_h == -128) wheel_h = -127;
+	intr_state = SREG;
+	cli();
+	UENUM = MOUSE_ENDPOINT;
+	timeout = UDFNUML + 50;
+	while (1) {
+		// are we ready to transmit?
+		if (UEINTX & (1<<RWAL)) break;
+		SREG = intr_state;
+		// has the USB gone offline?
+		if (!usb_configured()) return -1;
+		// have we waited too long?
+		if (UDFNUML == timeout) return -1;
+		// get ready to try checking again
+		intr_state = SREG;
+		cli();
+		UENUM = MOUSE_ENDPOINT;
+	}
+	UEDATX = buttons;
+	UEDATX = x;
+	UEDATX = y;
+        if (usb_mouse_protocol) {
+            UEDATX = wheel_v;
+            UEDATX = wheel_h;
+        }
+        
+	UEINTX = 0x3A;
+	SREG = intr_state;
+	return 0;
+}
+
+void usb_mouse_print(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons) {
+    if (!debug_mouse) return;
+    print("usb_mouse[btn|x y v h]: ");
+    phex(buttons); print("|");
+    phex(x); print(" ");
+    phex(y); print(" ");
+    phex(wheel_v); print(" ");
+    phex(wheel_h); print("\n");
+}