142 lines
5.2 KiB
C
142 lines
5.2 KiB
C
/****************************************************************************
|
|
* boards/arm/nuc1xx/nutiny-nuc120/include/board.h
|
|
* include/arch/board/board.h
|
|
*
|
|
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* 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 NuttX 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 COPYRIGHT HOLDERS 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
|
|
* COPYRIGHT OWNER 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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __BOARDS_ARM_NUC1XX_NUTINY_NUC12_INCLUDE_BOARD_H
|
|
#define __BOARDS_ARM_NUC1XX_NUTINY_NUC12_INCLUDE_BOARD_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
# include <stdint.h>
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Clocking *****************************************************************/
|
|
|
|
/* Crystal frequencies */
|
|
|
|
#define BOARD_XTALHI_FREQUENCY 12000000
|
|
#define BOARD_XTALLO_FREQUENCY 32768
|
|
|
|
/* PLL: The PLL must be 48MHz x N times when using USB
|
|
*
|
|
* FOUT = FIN x (NF/NR) x (1 / NO)
|
|
* FIN = Input reference clock frequency
|
|
* NF = Feedback divider
|
|
* = (FB_DV + 2)
|
|
* NR = Input divider
|
|
* = (IN_DV + 2)
|
|
* NO = 1 if OUT_DV == 0
|
|
* 2 if OUT_DV == 1 or 2
|
|
* 4 if OUT_DV == 3
|
|
*
|
|
* FOUT = 12000000 x 48 / 3 / 4
|
|
* = 48MHz
|
|
*/
|
|
|
|
#define BOARD_PLL_FIN BOARD_XTALHI_FREQUENCY
|
|
#define BOARD_PLL_FB_DV 46
|
|
#define BOARD_PLL_NF (BOARD_PLL_FB_DV+2)
|
|
#define BOARD_PLL_IN_DV 1
|
|
#define BOARD_PLL_NR (BOARD_PLL_IN_DV+2)
|
|
#define BOARD_PLL_OUT_DV 3
|
|
#define BOARD_PLL_NO 4
|
|
|
|
#define BOARD_PLL_FOUT \
|
|
(BOARD_PLL_FIN * BOARD_PLL_NF / BOARD_PLL_NR / BOARD_PLL_NO)
|
|
|
|
/* HCLK. FOUT is the HCLK source clock. */
|
|
|
|
#define BOARD_HCLK_N 1
|
|
#define BOARD_HCLK_FREQUENCY (BOARD_PLL_FOUT / BOARD_HCLK_N)
|
|
|
|
/* USB. FOUT is the source. The USB CLK must be 48MHz */
|
|
|
|
#define BOARD_USB_N 1
|
|
#define BOARD_USB_FREQUENCY (BOARD_PLL_FOUT / BOARD_USB_N)
|
|
|
|
/* LED definitions **********************************************************/
|
|
|
|
/* The NuTiny has a single green LED that can be controlled from software.
|
|
* This LED is connected to PIN17.
|
|
* It is pulled high so a low value will illuminate the LED.
|
|
*/
|
|
|
|
#define BOARD_NLEDS 1
|
|
|
|
/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board
|
|
* the NuTiny.
|
|
* The following definitions describe how NuttX controls the LEDs:
|
|
*
|
|
* SYMBOL Meaning LED state
|
|
* Initially all LED is OFF
|
|
* ------------------- ----------------------- ------------- ------------
|
|
* LED_STARTED NuttX has been started LED ON
|
|
* LED_HEAPALLOCATE Heap has been allocated LED ON
|
|
* LED_IRQSENABLED Interrupts enabled LED ON
|
|
* LED_STACKCREATED Idle stack created LED ON
|
|
* LED_INIRQ In an interrupt LED should glow
|
|
* LED_SIGNAL In a signal handler LED might glow
|
|
* LED_ASSERTION An assertion failed LED ON while handling the
|
|
* assertion
|
|
* LED_PANIC The system has crashed LED Blinking at 2Hz
|
|
* LED_IDLE NUC1XX is is sleep mode (Optional, not used)
|
|
*/
|
|
|
|
#define LED_STARTED 0
|
|
#define LED_HEAPALLOCATE 0
|
|
#define LED_IRQSENABLED 0
|
|
#define LED_STACKCREATED 0
|
|
#define LED_INIRQ 0
|
|
#define LED_SIGNAL 0
|
|
#define LED_ASSERTION 0
|
|
#define LED_PANIC 0
|
|
|
|
/* Button definitions *******************************************************/
|
|
|
|
/* The NuTiny has no buttons */
|
|
|
|
#define NUM_BUTTONS 0
|
|
|
|
#endif /* __BOARDS_ARM_NUC1XX_NUTINY_NUC12_INCLUDE_BOARD_H */
|