/* * 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_ */ /** @} */