make keyboard device work with lpc1347

1 files changed, 76 insertions, 0 deletions

diff --git a/tinyusb/common/fifo.h b/tinyusb/common/fifo.h
new file mode 100644
index 000000000..1019c8bde
--- /dev/null
+++ b/tinyusb/common/fifo.h
@@ -0,0 +1,76 @@
+/*
+ * fifo.h
+ *
+ *  Created on: Nov 27, 2012
+ *      Author: hathach ([email protected])
+ */
+
+/*
+ * Software License Agreement (BSD License)
+ * Copyright (c) 2012, hathach ([email protected])
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the tiny usb stack.
+ */
+
+#ifndef _TUSB_FIFO_H_
+#define _TUSB_FIFO_H_
+
+#include "common/common.h"
+
+/* ToDo: Describe each field in fifo_t */
+typedef struct _fifo_t
+{
+  uint8_t* buf;
+  uint16_t size;
+  volatile uint16_t len;
+  volatile uint16_t wr_ptr;
+  volatile uint16_t rd_ptr;
+  bool overwritable;
+  IRQn_Type irq;
+} fifo_t;
+
+void fifo_init(fifo_t* f, uint8_t* buffer, uint16_t size, bool overwritable, IRQn_Type irq);
+bool fifo_write(fifo_t* f, uint8_t data);
+bool fifo_read(fifo_t* f, uint8_t *data);
+uint16_t fifo_readArray(fifo_t* f, uint8_t * rx, uint16_t maxlen);
+void fifo_clear(fifo_t*);
+
+static inline bool fifo_isEmpty(fifo_t* f)
+{
+  return (f->len == 0);
+}
+
+static inline bool fifo_isFull(fifo_t* f)
+{
+  return (f->len == f->size);
+}
+
+static inline uint16_t fifo_getLength(fifo_t* f)
+{
+  return f->len;
+}
+
+#endif /* _TUSB_FIFO_H_ */