814d40f5cd
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4801 42af7a65-404d-4744-a932-0658087f49c3
167 lines
6.8 KiB
C
167 lines
6.8 KiB
C
/****************************************************************************
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* configs/pic32mx7mmb/src/pic32mx7mmb_internal.h
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*
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* Copyright (C) 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_MIKROELEKTRONIKA_PIC32MX7MMB_SRC_PIC32MX7MMB_INTERNAL_H
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#define __CONFIGS_MIKROELEKTRONIKA_PIC32MX7MMB_SRC_PIC32MX7MMB_INTERNAL_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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#include <nuttx/compiler.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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/* The Mikroelektronika PIC32MX7 MMB has 3 user LEDs labeled LED0-2 in the
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* schematics:
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*
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* --- ----- --------------------------------------------------------------
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* PIN Board Notes
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* --- ----- --------------------------------------------------------------
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* RA0 LED0 Pulled-up, low value illuminates
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* RA1 LED1 Pulled-up, low value illuminates
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* RD9 LED2 Pulled-up, low value illuminates
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* RA9 LED4 Not available for general use*, indicates MMC/SD activity
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* --- LED5 Not controllable by software, indicates power-on
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*
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* * RA9 is also the SD chip select. It will illuminate whenever the SD card
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* is selected. If SD is not used, then LED4 could also be used as a user-
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* controlled LED.
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*/
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/* The Mikroelektronika PIC32MX7 MMB has a joystick:
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*
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* ------ -------- ------------------------- --------------------------------
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* GPIO SIGNAL BOARD CONNECTION NOTES
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* ------ -------- ------------------------- --------------------------------
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* RB0 JOY-A Joystick A, HDR1 pin 24 Pulled up, low value when closed
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* RB2 JOY-C Joystick C, HDR1 pin 22 Pulled up, low value when closed
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* RB1 JOY-B Joystick B, HDR1 pin 23 Pulled up, low value when closed
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* RB3 JOY-D Joystick D, HDR1 pin 21 Pulled up, low value when closed
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* RA10 JOY-CP Joystick CP, HDR1 pin 25 Pulled up, low value when closed
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*/
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/* LCD
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*
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* ------ -------- ------------------------- --------------------------------
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* GPIO SIGNAL BOARD CONNECTION NOTES
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* ------ -------- ------------------------- --------------------------------
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* RD2 LCD-BLED Backlight Light Low value turns off
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*/
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/* SPI1 and SD Card
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*
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* ------ -------- ------------------------- --------------------------------
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* GPIO SIGNAL BOARD CONNECTION NOTES
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* ------ -------- ------------------------- --------------------------------
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* RC4 SPI1 SD card slot SPI1 data IN
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* RD0 SPO1 SD card slot SPI1 data OUT
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* RD10 SCK1 SD card slot SD card, SPI clock
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*
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* RA9 SD_CS# SD card slot SD card, SPI chip select (active low)
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* RG6 SD_WP SD card slot SD card, write protect
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* RG7 SD_CD# SD card slot SD card, card detect (not)
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*/
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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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/************************************************************************************
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* Name: pic32mx_spiinitialize
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*
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* Description:
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* Called to configure SPI chip select GPIO pins for the Mikroelektronika PIC32MX7
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* MMB board.
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*
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************************************************************************************/
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#if defined(CONFIG_PIC32MX_SPI1) || defined(CONFIG_PIC32MX_SPI2) || \
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defined(CONFIG_PIC32MX_SPI3) || defined(CONFIG_PIC32MX_SPI4)
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EXTERN void weak_function pic32mx_spiinitialize(void);
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#endif
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/************************************************************************************
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* Name: pic32mx_ledinit
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*
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* Description:
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* Configure on-board LEDs if LED support has been selected.
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*
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************************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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EXTERN void pic32mx_ledinit(void);
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#endif
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/****************************************************************************
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* Name: pic32mx_lcdinitialize
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*
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* Description:
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* Initialize the LCD. This function should be called early in the boot
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* sequence -- even if the LCD is not enabled. In that case we should
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* at a minimum at least disable the LCD backlight.
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*
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****************************************************************************/
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EXTERN void pic32mx_lcdinitialize(void);
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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_MIKROELEKTRONIKA_PIC32MX7MMB_SRC_PIC32MX7MMB_INTERNAL_H */
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