1 /* ----------------------------------------------------------------------------
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2 * ATMEL Microcontroller Software Support
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3 * ----------------------------------------------------------------------------
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4 * Copyright (c) 2008, Atmel Corporation
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6 * All rights reserved.
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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11 * - Redistributions of source code must retain the above copyright notice,
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12 * this list of conditions and the disclaimer below.
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14 * Atmel's name may not be used to endorse or promote products derived from
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15 * this software without specific prior written permission.
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17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 * ----------------------------------------------------------------------------
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30 //------------------------------------------------------------------------------
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35 /// This module provides definitions and functions for using the Debug Unit
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38 /// It also overloads the fputc(), fputs() & putchar() functions so the printf()
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39 /// method outputs its data on the DBGU. This behavior can be suppressed by
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40 /// defining NOFPUT during compilation.
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44 /// -# Enable the DBGU pins (see pio & board.h).
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45 /// -# Configure the DBGU using DBGU_Configure with the desired operating mode.
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46 /// -# Send characters using DBGU_PutChar() or the printf() method.
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47 /// -# Receive characters using DBGU_GetChar().
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49 /// \note Unless specified, all the functions defined here operate synchronously;
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50 /// i.e. they all wait the data is sent/received before returning.
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51 //------------------------------------------------------------------------------
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56 //------------------------------------------------------------------------------
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58 //------------------------------------------------------------------------------
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60 /// Standard operating mode (asynchronous, 8bit, no parity, 1 stop bit)
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61 #define DBGU_STANDARD AT91C_US_PAR_NONE
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63 //------------------------------------------------------------------------------
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65 //------------------------------------------------------------------------------
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67 extern void DBGU_Configure(
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69 unsigned int baudrate,
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72 extern unsigned char DBGU_GetChar(void);
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74 extern void DBGU_PutChar(unsigned char c);
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76 extern unsigned int DBGU_IsRxReady(void);
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78 #endif //#ifndef DBGU_H
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