131 lines
4.9 KiB
C
131 lines
4.9 KiB
C
/****************************************************************************
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* configs/pcblogic-pic32mx/include/board.h
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* include/arch/board/board.h
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*
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* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __CONFIGS_PCBLOGIC_PIC32MX_INCLUDE_BOARD_H
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#define __CONFIGS_PCBLOGIC_PIC32MX_INCLUDE_BOARD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* Clocking *****************************************************************/
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/* Crystal frequencies */
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#define BOARD_POSC_FREQ 8000000 /* Primary OSC XTAL frequency (8MHz) */
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#define BOARD_SOSC_FREQ 32768 /* Secondary OSC XTAL frequency (32.768KHz) */
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/* Oscillator modes */
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#define BOARD_FNOSC_POSCPLL 1 /* Use primary oscillator w/PLL */
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#define BOARD_POSC_HSMODE 1 /* High-speed crystal (HS) mode */
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/* PLL configuration and resulting CPU clock.
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* CPU_CLOCK = ((POSC_FREQ / IDIV) * MULT) / ODIV
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*/
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#define BOARD_PLL_INPUT BOARD_POSC_FREQ
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#define BOARD_PLL_IDIV 2 /* PLL input divider */
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#define BOARD_PLL_MULT 20 /* PLL multiplier */
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#define BOARD_PLL_ODIV 1 /* PLL output divider */
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#define BOARD_CPU_CLOCK 80000000 /* CPU clock (80MHz = 8MHz * 20 / 2) */
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/* USB PLL configuration.
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* USB_CLOCK = ((POSC_XTAL / IDIV) * 24) / 2
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*/
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#define BOARD_UPLL_IDIV 2 /* USB PLL divider (revisit) */
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#define BOARD_USB_CLOCK 48000000 /* USB clock (8MHz / 2) * 24 / 2) */
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/* Peripheral clock is divided down from CPU clock.
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* PBCLOCK = CPU_CLOCK / PBDIV
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*/
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#define BOARD_PBDIV 2 /* Peripheral clock divisor (PBDIV) */
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#define BOARD_PBCLOCK 40000000 /* Peripheral clock (PBCLK = 80MHz/2) */
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/* Watchdog pre-scaler (re-visit) */
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#define BOARD_WD_ENABLE 0 /* Watchdog is disabled */
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#define BOARD_WD_PRESCALER 8 /* Watchdog pre-scaler */
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/* LED definitions **********************************************************/
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#define LED_STARTED 0
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#define LED_HEAPALLOCATE 1
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#define LED_IRQSENABLED 2
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#define LED_STACKCREATED 3
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#define LED_INIRQ 4
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#define LED_SIGNAL 5
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#define LED_ASSERTION 6
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#define LED_PANIC 7
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/****************************************************************************
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* Public Types
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Inline Functions
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __CONFIGS_PCBLOGIC_PIC32MX_INCLUDE_BOARD_H */
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