Forgot to add these files in an earlier commit

Output/pjrcUSB/arm/usb_joystick.c

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+/* Teensyduino Core Library
+ * http://www.pjrc.com/teensy/
+ * Copyright (c) 2013 PJRC.COM, LLC.
+ * Modified by Jacob Alexander (2015)
+ *
+ * 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:
+ *
+ * 1. The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * 2. If the Software is incorporated into a build system that allows
+ * selection among a list of target devices, then similar target
+ * devices manufactured by PJRC.COM must be included in the list of
+ * target devices and selectable in the same manner.
+ *
+ * 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.
+ */
+
+// ----- Includes -----
+
+// Compiler Includes
+#include <string.h> // for memcpy()
+
+// Project Includes
+#include <Lib/OutputLib.h>
+#include <print.h>
+
+// Local Includes
+#include "usb_dev.h"
+#include "usb_joystick.h"
+
+
+
+// ----- Defines -----
+
+// Maximum number of transmit packets to queue so we don't starve other endpoints for memory
+#define TX_PACKET_LIMIT 3
+
+// When the PC isn't listening, how long do we wait before discarding data?
+#define TX_TIMEOUT_MSEC 30
+
+#if F_CPU == 168000000
+	#define TX_TIMEOUT (TX_TIMEOUT_MSEC * 1100)
+#elif F_CPU == 144000000
+	#define TX_TIMEOUT (TX_TIMEOUT_MSEC * 932)
+#elif F_CPU == 120000000
+	#define TX_TIMEOUT (TX_TIMEOUT_MSEC * 764)
+#elif F_CPU == 96000000
+	#define TX_TIMEOUT (TX_TIMEOUT_MSEC * 596)
+#elif F_CPU == 72000000
+	#define TX_TIMEOUT (TX_TIMEOUT_MSEC * 512)
+#elif F_CPU == 48000000
+	#define TX_TIMEOUT (TX_TIMEOUT_MSEC * 428)
+#elif F_CPU == 24000000
+	#define TX_TIMEOUT (TX_TIMEOUT_MSEC * 262)
+#endif
+
+
+
+// ----- Variables -----
+
+uint32_t usb_joystick_data[3];
+
+
+static uint8_t transmit_previous_timeout = 0;
+
+
+
+// ----- Functions -----
+
+int usb_joystick_send()
+{
+        uint32_t wait_count=0;
+        usb_packet_t *tx_packet;
+
+	//serial_print("send");
+	//serial_print("\n");
+        while (1) {
+                if (!usb_configuration) {
+			//serial_print("error1\n");
+                        return -1;
+                }
+                if (usb_tx_packet_count(JOYSTICK_ENDPOINT) < TX_PACKET_LIMIT) {
+                        tx_packet = usb_malloc();
+                        if (tx_packet) break;
+                }
+                if (++wait_count > TX_TIMEOUT || transmit_previous_timeout) {
+                        transmit_previous_timeout = 1;
+			//serial_print("error2\n");
+                        return -1;
+                }
+                yield();
+        }
+	transmit_previous_timeout = 0;
+	memcpy(tx_packet->buf, usb_joystick_data, 12);
+        tx_packet->len = 12;
+        usb_tx(JOYSTICK_ENDPOINT, tx_packet);
+	//serial_print("ok\n");
+        return 0;
+}
+