dbgu.h
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上传日期:2022-07-16
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- /* ----------------------------------------------------------------------------
- * ATMEL Microcontroller Software Support
- * ----------------------------------------------------------------------------
- * Copyright (c) 2008, Atmel Corporation
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * - Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the disclaimer below.
- *
- * Atmel's name may not be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
- * ----------------------------------------------------------------------------
- */
- //------------------------------------------------------------------------------
- /// unit
- ///
- /// !Purpose
- ///
- /// This module provides definitions and functions for using the Debug Unit
- /// (DBGU).
- ///
- /// It also overloads the fputc(), fputs() & putchar() functions so the printf()
- /// method outputs its data on the DBGU. This behavior can be suppressed by
- /// defining NOFPUT during compilation.
- ///
- /// !Usage
- ///
- /// -# Enable the DBGU pins (see pio & board.h).
- /// -# Configure the DBGU using DBGU_Configure with the desired operating mode.
- /// -# Send characters using DBGU_PutChar() or the printf() method.
- /// -# Receive characters using DBGU_GetChar().
- ///
- /// note Unless specified, all the functions defined here operate synchronously;
- /// i.e. they all wait the data is sent/received before returning.
- //------------------------------------------------------------------------------
- #ifndef DBGU_H
- #define DBGU_H
- //------------------------------------------------------------------------------
- // Definitions
- //------------------------------------------------------------------------------
-
- /// Standard operating mode (asynchronous, 8bit, no parity, 1 stop bit)
- #define DBGU_STANDARD AT91C_US_PAR_NONE
- //------------------------------------------------------------------------------
- // Global functions
- //------------------------------------------------------------------------------
- extern void DBGU_Configure(
- unsigned int mode,
- unsigned int baudrate,
- unsigned int mck);
- extern unsigned char DBGU_GetChar(void);
- extern void DBGU_PutChar(unsigned char c);
- extern unsigned int DBGU_IsRxReady(void);
- #endif //#ifndef DBGU_H