console.c

PIC18F4620、TIS6700下RFID程序

/*********************************************************************
 *
 *                  Console Routines
 *
 *********************************************************************
 * FileName:        Console.c
 * Dependencies:
 * Processor:       PIC18
 * Complier:        MCC18 v1.00.50 or higher
 *                  HITECH PICC-18 V8.10PL1 or higher
 * Company:         Microchip Technology, Inc.
 *
 * Software License Agreement
 *
 * Copyright ?2004-2007 Microchip Technology Inc.  All rights reserved.
 *
 * Microchip licenses to you the right to use, copy and distribute Software 
 * only when embedded on a Microchip microcontroller or digital signal 
 * controller and used with a Microchip radio frequency transceiver, which 
 * are integrated into your product or third party product (pursuant to the 
 * sublicense terms in the accompanying license agreement).  You may NOT 
 * modify or create derivative works of the Software.  
 *
 * If you intend to use this Software in the development of a product for 
 * sale, you must be a member of the ZigBee Alliance.  For more information, 
 * go to www.zigbee.org.
 *
 * You should refer to the license agreement accompanying this Software for 
 * additional information regarding your rights and obligations.
 *
 * SOFTWARE AND DOCUMENTATION ARE PROVIDED 揂S IS?WITHOUT WARRANTY OF ANY 
 * KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY WARRANTY 
 * OF MERCHANTABILITY, TITLE, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR 
 * PURPOSE. IN NO EVENT SHALL MICROCHIP OR ITS LICENSORS BE LIABLE OR OBLIGATED 
 * UNDER CONTRACT, NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF 
 * WARRANTY, OR OTHER LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR 
 * EXPENSES INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, 
 * PUNITIVE OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF 
 * PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY 
 * THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER 
 * SIMILAR COSTS.
 *
 * Author               Date        Comment
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Nilesh Rajbharti     10/15/04    Original
 * Nilesh Rajbharti     11/1/04 Pre-release version
 * DF/KO                04/29/05 Microchip ZigBee Stack v1.0-2.0
 * DF/KO                07/18/05 Microchip ZigBee Stack v1.0-3.0
 * DF/KO                07/27/05 Microchip ZigBee Stack v1.0-3.1
 * DF/KO                08/19/05 Microchip ZigBee Stack v1.0-3.2
 * DF/KO                09/08/05 Microchip ZigBee Stack v1.0-3.3
 * DF/KO                01/09/06 Microchip ZigBee Stack v1.0-3.5
 * DF/KO                08/31/06 Microchip ZigBee Stack v1.0-3.6
 * DF/KO/YY				11/27/06 Microchip ZigBee Stack v1.0-3.7
 * DF/KO/YY				01/12/07 Microchip ZigBee Stack v1.0-3.8
 ********************************************************************/
// Uncomment ENABLE_DEBUG line to enable debug mode for this file.
// Or you may also globally enable debug by defining this macro
// in zigbee.def file or from compiler command-line.
#ifndef ENABLE_DEBUG
//#define ENABLE_DEBUG
#endif

#include "Console.h"
//#include "zigbee.h"
#include "zigbee.def"

// This is only until they fix the include file...
#ifdef __18F87J10
    #define RCREG   RCREG1
    #define BAUDCON BAUDCON1
#endif

        
#define USART_USE_BRGH_HIGH

#if defined(USART_USE_BRGH_LOW)
    #define SPBRG_VAL   ( ((CLOCK_FREQ/BAUD_RATE)/64) - 1)
#else
   	#define SPBRG_VAL   ( ((CLOCK_FREQ/BAUD_RATE)/16) - 1)
#endif



#if SPBRG_VAL > 255
    #error "Calculated SPBRG value is out of range for currnet CLOCK_FREQ."
#endif

void ConsoleInit(void)
{

    RCSTAbits.SPEN = 1;   // (RCSTA<7>) must be set (= 1),
    TRISCbits.TRISC6 = 0;
    TRISCbits.TRISC7 = 1;

#if defined(USART_USE_BRGH_HIGH)
    TXSTA = 0x24;
#else
    TXSTA = 0x20;
#endif

    RCSTA = 0x90; // 0b10010000;
    SPBRG = SPBRG_VAL;
    BAUDCON = 0x40;
}

void ConsolePutROMString(ROM char* str)
{
    BYTE c;

    while( c = *str++ )
        ConsolePut(c);

    // Since this function is mostly for debug, we'll block here to make sure
    // the last character gets out, in case we have a breakpoint on the
    // statement after the function call.
    while( !ConsoleIsPutReady() );
}


BYTE ConsoleGetString(char *buffer, BYTE bufferLen)
{
    BYTE v;
    BYTE count;

    count = 0;
    do
    {
        if ( bufferLen-- == 0 )
            break;

        while( !ConsoleIsGetReady() );

        v = RCREG;

        if ( v == '\r' || v == '\n' )
            break;

        count++;
        *buffer++ = v;
        *buffer = '\0';
    } while(1);
    return count;
}

void ConsolePut(BYTE c)
{
    while( !ConsoleIsPutReady() );
    TXREG = c;
}


void ConsolePutString(BYTE *s)
{
    BYTE c;

    while( (c = *s++) )
        ConsolePut(c);
    while( !ConsoleIsPutReady() );
}

void ConsolePutInt(unsigned int i)
{
	BYTE c = (BYTE)((i&0xFF00)>>8);
	ConsolePut(c);
	c = (BYTE)(i&0x00FF);
	ConsolePut(c);
	while( !ConsoleIsPutReady() );
}
BYTE ConsoleGet(void)
{
    // Clear overrun error if it has occured
    // New bytes cannot be received if the error occurs and isn't cleared
    if(RCSTAbits.OERR)
    {
        RCSTAbits.CREN = 0;   // Disable UART receiver
        RCSTAbits.CREN = 1;   // Enable UART receiver
    }

    return RCREG;
}

#if 1
//TODO: remove test code
//<test code>
ROM unsigned char CharacterArray[]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
void PrintChar(BYTE toPrint)
{
    BYTE PRINT_VAR;
    PRINT_VAR = toPrint;
    toPrint = (toPrint>>4)&0x0F;
    ConsolePut(CharacterArray[toPrint]);
    toPrint = (PRINT_VAR)&0x0F;
    ConsolePut(CharacterArray[toPrint]);
    return;
}
//</test code>
#endif