128 lines
4.3 KiB
C
128 lines
4.3 KiB
C
/*
|
|
* Contiki PIC32 Port project
|
|
*
|
|
* Copyright (c) 2012,
|
|
* Scuola Superiore Sant'Anna (http://www.sssup.it) and
|
|
* Consorzio Nazionale Interuniversitario per le Telecomunicazioni
|
|
* (http://www.cnit.it).
|
|
*
|
|
* 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. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \addtogroup pic32 PIC32 Contiki Port
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* \file pic32_uart.h
|
|
* \brief UART Interface for PIC32MX (pic32mx795f512l)
|
|
* \author Giovanni Pellerano <giovanni.pellerano@evilaliv3.org>
|
|
* \date 2012-03-21
|
|
*/
|
|
|
|
/*
|
|
* PIC32MX795F512L - Specific Functions
|
|
*
|
|
* All the functions in this part of the file are specific for the
|
|
* pic32mx795f512l that is characterized by registers' name that differ from
|
|
* the 3xx and 4xx families of the pic32mx.
|
|
*/
|
|
|
|
#ifndef INCLUDE_PIC32_UART_H_
|
|
#define INCLUDE_PIC32_UART_H_
|
|
|
|
#ifdef __USE_UART__
|
|
|
|
#include <pic32_irq.h>
|
|
|
|
#include <p32xxxx.h>
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "dev/leds.h"
|
|
|
|
#define BAUD2UBR(x) x
|
|
|
|
/* Returned Messages */
|
|
#define UART_NO_ERROR 0
|
|
#define UART_ERR_NO_DATA 1
|
|
#define UART_ERR_OVERFLOW 2
|
|
|
|
#define UART_PORT_DEF(XX) \
|
|
int8_t pic32_uart##XX##_init(uint32_t baudrate, uint16_t byte_format); \
|
|
int8_t pic32_uart##XX##_write(uint8_t data);
|
|
|
|
#define UART_INTERRUPT(XX, YY, CALLBACK) \
|
|
ISR(_UART_##XX##_VECTOR) \
|
|
{ \
|
|
volatile uint8_t byte; \
|
|
if(IFS##YY##bits.U##XX##RXIF) { \
|
|
if((U##XX##STAbits.PERR == 0) && (U##XX##STAbits.FERR == 0)) { \
|
|
CALLBACK(U##XX##RXREG); \
|
|
} else { \
|
|
byte = U##XX##RXREG; /* NULL READ */ \
|
|
} \
|
|
IFS##YY##CLR = _IFS##YY##_U##XX##RXIF_MASK; \
|
|
} \
|
|
if(U##XX##STAbits.OERR) { \
|
|
U##XX##STACLR = _U##XX##STA_OERR_MASK; \
|
|
} \
|
|
}
|
|
|
|
#ifdef __USE_UART_PORT1A__
|
|
UART_PORT_DEF(1A)
|
|
#endif /* __USE_UART_PORT1A__ */
|
|
|
|
#ifdef __USE_UART_PORT1B__
|
|
UART_PORT_DEF(1B)
|
|
#endif /* __USE_UART_PORT1B__ */
|
|
|
|
#ifdef __USE_UART_PORT2A__
|
|
UART_PORT_DEF(2A)
|
|
#endif /* __USE_UART_PORT2A__ */
|
|
|
|
#ifdef __USE_UART_PORT2B__
|
|
UART_PORT_DEF(2B)
|
|
#endif /* __USE_UART_PORT2B__ */
|
|
|
|
#ifdef __USE_UART_PORT3A__
|
|
UART_PORT_DEF(3A)
|
|
#endif /* __USE_UART_PORT3A__ */
|
|
|
|
#ifdef __USE_UART_PORT3B__
|
|
UART_PORT_DEF(3B)
|
|
#endif /* __USE_UART_PORT3B__ */
|
|
|
|
#endif /* __USE_UART__ */
|
|
|
|
#endif /* INCLUDE_PIC32_UART_H_ */
|
|
|
|
/** @} */
|