osd-contiki/cpu/pic32/pic32.h
2014-11-10 23:53:32 +01:00

104 lines
3.9 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 cpu
* @{ */
/**
* \defgroup pic32 PIC32 Contiki Port
*
* @{
*/
/**
* \file pic32.h
* \brief PIC32MX initialization routines
* \author Giovanni Pellerano <giovanni.pellerano@evilaliv3.org>
* \date 2012-03-23
*/
#ifndef INCLUDE_PIC32_PIC32_H_
#define INCLUDE_PIC32_PIC32_H_
/*
* 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.
*/
/* Initial Configuration
*
* Main Clock -> SYSCLK = (Crystal_Freq / FPLLIDIV) * FPLLMUL / FPLLODIV
* Peripheral Clock -> PBCLK = SYSCLK / FPBDIV
*
* SYSCLK = 80MHz, PBCLK = 40MHz
*/
#include <p32xxxx.h>
#pragma config FNOSC = PRIPLL // Oscillator Selection
#pragma config FPLLIDIV = DIV_2 // PLL Input Divider (PIC32 Starter Kit: use divide by 2 only)
#pragma config FPLLMUL = MUL_20 // PLL Multiplier
#pragma config FPLLODIV = DIV_1 // PLL Output Divider
#pragma config FPBDIV = DIV_1 // Peripheral Clock divisor
#pragma config FWDTEN = OFF // Watchdog Timer
#pragma config WDTPS = PS32768 // Watchdog Timer Postscale
#pragma config FCKSM = CSDCMD // Clock Switching & Fail Safe Clock Monitor
#pragma config OSCIOFNC = OFF // CLKO Enable
#pragma config POSCMOD = HS // Primary Oscillator
#pragma config IESO = OFF // Internal/External Switch-over
#pragma config FSOSCEN = OFF // Secondary Oscillator Enable
#pragma config CP = OFF // Code Protect
#pragma config BWP = OFF // Boot Flash Write Protect
#pragma config PWP = OFF // Program Flash Write Protect
#pragma config ICESEL = ICS_PGx2 // ICE/ICD Comm Channel Select
#pragma config DEBUG = OFF // Debugger Disabled for Starter Kit
#pragma config FSRSSEL = PRIORITY_7
/* external PHY in RMII/default configuration */
#pragma config FMIIEN = OFF
#pragma config FETHIO = ON
void pic32_init(void);
#endif /* INCLUDE_PIC32_PIC32_H_ */
/** @} */