169 lines
5.6 KiB
C
169 lines
5.6 KiB
C
/****************************************************************************
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* boards/risc-v/nr5m100/nr5m100-nexys4/include/board.h
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* include/arch/board/board.h
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*
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* Copyright (C) 2012-2013, 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Modified for NR5M100:
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*
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* Copyright (C) 2016 Ken Pettit. All rights reserved.
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* Author: Ken Pettit <pettitkd@gmail.com>
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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 __BOARDS_RISC-V_NR5M100_NR5M100_NEXYS4_INCLUDE_BOARD_H
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#define __BOARDS_RISC-V_NR5M100_NR5M100_NEXYS4_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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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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#include "nr5.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Clocking *****************************************************************/
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/* The NR5M100_Nexys4 system uses a 100 MHz main oscillator */
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#define NR5_HCLK_FREQUENCY 100000000ul
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#define NR5_SCLK_FREQUENCY 100000000ul
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/* Timer Frequencies are the same as the HCLK frequency */
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#define NR5_TIMER_FREQUENCY NR5_HCLK_FREQUENCY
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/* LED definitions **********************************************************/
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/* If CONFIG_ARCH_LEDS is not defined, then the user can control
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* the LEDs in any way.
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* The following definitions are used to access individual LEDs.
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*/
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/* LED index values for use with stm32_setled() */
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#if 0
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#define BOARD_LED1 0
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#define BOARD_LED2 1
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#define BOARD_LED3 2
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#define BOARD_LED4 3
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#endif
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#define BOARD_NLEDS 0
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#if 1
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#define BOARD_LED_GREEN BOARD_LED1
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#define BOARD_LED_ORANGE BOARD_LED2
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#define BOARD_LED_RED BOARD_LED3
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#define BOARD_LED_BLUE BOARD_LED4
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/* LED bits for use with nr5_setleds() */
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#define BOARD_LED1_BIT (1 << BOARD_LED1)
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#define BOARD_LED2_BIT (1 << BOARD_LED2)
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#define BOARD_LED3_BIT (1 << BOARD_LED3)
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#define BOARD_LED4_BIT (1 << BOARD_LED4)
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/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 4 LEDs
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* on the board.
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* The following definitions describe how NuttX controls the LEDs:
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*/
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#define LED_STARTED 0 /* LED1 */
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#define LED_HEAPALLOCATE 1 /* LED2 */
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#define LED_IRQSENABLED 2 /* LED1 + LED2 */
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#define LED_STACKCREATED 3 /* LED3 */
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#define LED_INIRQ 4 /* LED1 + LED3 */
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#define LED_SIGNAL 5 /* LED2 + LED3 */
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#define LED_ASSERTION 6 /* LED1 + LED2 + LED3 */
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#define LED_PANIC 7 /* N/C + N/C + N/C + LED4 */
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/* Button definitions *******************************************************/
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#define BUTTON_USER 0
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#define NUM_BUTTONS 5
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#define BUTTON_USER_BIT (1 << BUTTON_USER)
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#endif /* 0 */
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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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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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: nr5_ledinit, nr5_setled, and nr5_setleds
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*
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* Description:
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* If CONFIG_ARCH_LEDS is defined,
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* then NuttX will control the on-board LEDs.
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* If CONFIG_ARCH_LEDS is not defined,
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* then the following interfacesare available to
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* control the LEDs from user applications.
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*
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****************************************************************************/
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#ifndef CONFIG_ARCH_LEDS
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void nr5_ledinit(void);
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void nr5_setled(int led, bool ledon);
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void nr5_setleds(uint8_t ledset);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_RISC-V_NR5M100_NR5M100_NEXYS4_INCLUDE_BOARD_H */
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