191 lines
7.1 KiB
C
191 lines
7.1 KiB
C
/****************************************************************************
|
|
* configs/mirtoo/include/board.h
|
|
* include/arch/board/board.h
|
|
*
|
|
* Copyright (C) 2012 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 __CONFIGS_MIRTOO_INCLUDE_BOARD_H
|
|
#define __CONFIGS_MIRTOO_INCLUDE_BOARD_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
#ifndef __ASSEMBLY__
|
|
# include <stdbool.h>
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Pre-Processor Definitions
|
|
****************************************************************************/
|
|
/* Configuration ************************************************************/
|
|
|
|
/* Clocking *****************************************************************/
|
|
/* The Mirtoo does not use an external crystal but relies instead on the
|
|
* internal +/- 0.9% FRC clock. That clock has a nomninal frequency of 8MHz.
|
|
*/
|
|
|
|
#define BOARD_FRC_FREQ 8000000 /* FRC nomimal frequency(8MHz) */
|
|
|
|
/* Oscillator modes */
|
|
|
|
#define BOARD_FNOSC_FRCPLL 1 /* Use FRC w/PLL module */
|
|
#define BOARD_POSC_DISABLED 1 /* Disable primary oscillator */
|
|
|
|
/* PLL configuration and resulting CPU clock.
|
|
* CPU_CLOCK = ((POSC_FREQ / IDIV) * MULT) / ODIV
|
|
*/
|
|
|
|
#define BOARD_PLL_INPUT BOARD_FRC_FREQ
|
|
#define BOARD_PLL_IDIV 2 /* PLL input divider: Input = 4MHz */
|
|
#define BOARD_PLL_MULT 20 /* PLL multiplier: PLL = 80MHz */
|
|
#define BOARD_PLL_ODIV 2 /* PLL output divider: Output = 40MHz */
|
|
|
|
#define BOARD_CPU_CLOCK 40000000 /* CPU clock 40MHz = (((8MHz / 2) * 20) / 2) */
|
|
|
|
/* USB PLL configuration.
|
|
* USB_CLOCK = ((POSC_XTAL / IDIV) * 24) / 2
|
|
*/
|
|
|
|
#define BOARD_UPLL_IDIV 2 /* USB PLL divider (revisit) */
|
|
#define BOARD_USB_CLOCK 48000000 /* USB clock (8MHz / 2) * 24 / 2) */
|
|
|
|
/* Peripheral clock is divided down from CPU clock.
|
|
* PBCLOCK = CPU_CLOCK / PBDIV
|
|
*/
|
|
|
|
#define BOARD_PBDIV 1 /* Peripheral clock divisor (PBDIV) */
|
|
#define BOARD_PBCLOCK 40000000 /* Peripheral clock (PBCLK = 40MHz/1) */
|
|
|
|
/* Watchdog pre-scaler (re-visit) */
|
|
|
|
#define BOARD_WD_ENABLE 0 /* Watchdog is disabled */
|
|
#define BOARD_WD_PRESCALER 8 /* Watchdog pre-scaler */
|
|
|
|
/* LED definitions **********************************************************/
|
|
/* The Mirtoo module has 2 user LEDs labeled LED0 and LED1 in the schematics:
|
|
*
|
|
* --- ----- --------------------------------------------------------------
|
|
* PIN Board Notes
|
|
* --- ----- --------------------------------------------------------------
|
|
* RC8 LED0 Grounded, high value illuminates
|
|
* RC9 LED1 Grounded, high value illuminates
|
|
*
|
|
* The Dimitech DTX1-4000L EV-kit1 supports 3 more LEDs, but there are not
|
|
* controllable from software.
|
|
*/
|
|
|
|
/* LED index values for use with pic32mx_setled() */
|
|
|
|
#define PIC32MX_MIRTOO_LED0 0
|
|
#define PIC32MX_MIRTOO_LED1 1
|
|
#define PIC32MX_MIRTOO_NLEDS 2
|
|
|
|
/* LED bits for use with pic32mx_setleds() */
|
|
|
|
#define PIC32MX_MIRTOO_LED0_BIT (1 << PIC32MX_MIRTOO_LED0)
|
|
#define PIC32MX_MIRTOO_LED1_BIT (1 << PIC32MX_MIRTOO_LED1)
|
|
|
|
/* If CONFIG_ARCH_LEDS is defined, then NuttX will control these LEDs as
|
|
* follows:
|
|
* ON OFF
|
|
* ------------------------- ---- ---- ---- ----
|
|
* LED0 LED1 LED0 LED1
|
|
* ------------------------- ---- ---- ---- ----
|
|
* LED_STARTED 0 OFF OFF --- ---
|
|
* LED_HEAPALLOCATE 1 ON OFF --- ---
|
|
* LED_IRQSENABLED 2 OFF ON --- ---
|
|
* LED_STACKCREATED 3 ON ON --- ---
|
|
* LED_INIRQ 4 ON N/C OFF N/C
|
|
* LED_SIGNAL 4 ON N/C OFF N/C
|
|
* LED_ASSERTION 4 ON N/C OFF N/C
|
|
* LED_PANIC 4 ON N/C OFF N/C
|
|
*/
|
|
|
|
#define LED_STARTED 0
|
|
#define LED_HEAPALLOCATE 1
|
|
#define LED_IRQSENABLED 2
|
|
#define LED_STACKCREATED 3
|
|
#define LED_INIRQ 4
|
|
#define LED_SIGNAL 4
|
|
#define LED_ASSERTION 4
|
|
#define LED_PANIC 4
|
|
|
|
#define LED_NVALUES 5
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
/****************************************************************************
|
|
* Inline Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
#ifdef __cplusplus
|
|
#define EXTERN extern "C"
|
|
extern "C" {
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: pic32mx_ledinit, pic32mx_setled, and pic32mx_setleds
|
|
*
|
|
* Description:
|
|
* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
|
|
* LEDs. If CONFIG_ARCH_LEDS is not defined, then the following interfaces
|
|
* are available to control the LEDs from user applicaitons.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef CONFIG_ARCH_LEDS
|
|
EXTERN void pic32mx_ledinit(void);
|
|
EXTERN void pic32mx_setled(int led, bool ledon);
|
|
EXTERN void pic32mx_setleds(uint8_t ledset);
|
|
#endif
|
|
|
|
#undef EXTERN
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif /* __CONFIGS_MIRTOO_INCLUDE_BOARD_H */
|