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/****************************************************************************
* configs/pic32mx7mmb/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_MIKROELEKTRONIKA_PIC32MX7MMB_INCLUDE_BOARD_H
#define __CONFIGS_MIKROELEKTRONIKA_PIC32MX7MMB_INCLUDE_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdbool.h>
#endif
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* Clocking *****************************************************************/
/* Crystal frequencies */
#define BOARD_POSC_FREQ 8000000 /* Primary OSC XTAL frequency (8MHz) */
#define BOARD_SOSC_FREQ 32768 /* Secondary OSC XTAL frequency (32.768KHz) */
/* Clock modes */
#define BOARD_POSC_XTMODE 1 /* Resonator, crystal or resonator (XT) mode */
#undef BOARD_POSC_SWITCH /* Use FRC until POSC stabilizes, then switch */
#undef BOARD_POSC_FSCM /* Switch to FRC if POSC fails */
#define BOARD_SOSC_ENABLE 1 /* Enable Secondary Oscillator */
#define BOARD_SOSC_IESO 1 /* Internal External Switchover mode is enabled */
/* PLL configuration and resulting CPU clock.
* CPU_CLOCK = ((POSC_FREQ / IDIV) * MULT) / ODIV
*/
#define BOARD_PLL_IDIV 2 /* PLL input divider */
#define BOARD_PLL_MULT 20 /* PLL multiplier */
#define BOARD_PLL_ODIV 1 /* PLL output divider */
#define BOARD_CPU_CLOCK 80000000 /* CPU clock (80MHz = 8MHz * 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 80000000 /* Peripheral clock (PBCLK = 80MHz/1) */
/* Watchdog pre-scaler (re-visit) */
#define BOARD_WD_ENABLE 0 /* Watchdog is disabled */
#define BOARD_WD_PRESCALER 8 /* Watchdog pre-scaler */
/* Ethernet MII clocking.
*
* The clock divider used to create the MII Management Clock (MDC). The MIIM
* module uses the SYSCLK as an input clock. According to the IEEE 802.3
* Specification this should be no faster than 2.5 MHz. However, some PHYs
* support clock rates up to 12.5 MHz.
*/
#define BOARD_EMAC_MIIM_DIV 32 /* Ideal: 80MHz/32 = 2.5MHz */
/* LED definitions **********************************************************/
/* LED Configuration ********************************************************/
/* The Mikroelektronika PIC32MX7 MMB has 3 user LEDs labeled LED0-2 in the
* schematics:
*
* --- ----- --------------------------------------------------------------
* PIN Board Notes
* --- ----- --------------------------------------------------------------
* RA0 LED0 Pulled-up, low value illuminates
* RA1 LED1 Pulled-up, low value illuminates
* RD9 LED2 Pulled-up, low value illuminates
* RA9 LED4 Not available for general use*, indicates MMC/SD activity
* --- LED5 Not controllable by software, indicates power-on
*
* * RA9 is also the SD chip select. It will illuminate whenever the SD card
* is selected. If SD is not used, then LED4 could also be used as a user-
* controlled LED.
*/
/* LED index values for use with pic32mx_setled() */
#define PIC32MX_PIC32MX7MMB_LED0 0
#define PIC32MX_PIC32MX7MMB_LED1 1
#define PIC32MX_PIC32MX7MMB_LED2 2
#define PIC32MX_PIC32MX7MMB_NLEDS 3
/* LED bits for use with pic32mx_setleds() */
#define PIC32MX_PIC32MX7MMB_LED0_BIT (1 << PIC32MX_PIC32MX7MMB_LED0)
#define PIC32MX_PIC32MX7MMB_LED1_BIT (1 << PIC32MX_PIC32MX7MMB_LED2)
#define PIC32MX_PIC32MX7MMB_LED2_BIT (1 << PIC32MX_PIC32MX7MMB_LED3)
/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 3 LEDs
* on board the Mikroelektronika PIC32MX7 MMB. The following definitions
* describe how NuttX controls the LEDs:
*
* ON OFF
* ------------------------- ---- ---- ---- ---- ---- ----
* LED0 LED1 LED2 LED0 LED1 LED2
* ------------------------- ---- ---- ---- ---- ---- ----
* LED_STARTED 0 OFF OFF OFF --- --- ---
* LED_HEAPALLOCATE 1 ON OFF N/C --- --- ---
* LED_IRQSENABLED 2 OFF ON N/C --- --- ---
* LED_STACKCREATED 3 ON ON N/C --- --- ---
* LED_INIRQ 4 N/C N/C ON N/C N/C OFF
* LED_SIGNAL 4 N/C N/C ON N/C N/C OFF
* LED_ASSERTION 4 N/C N/C ON N/C N/C OFF
* LED_PANIC 5 ON N/C N/C OFF N/C 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 5
#define LED_NVALUES 6
/* Switch definitions *******************************************************/
/* The Mikroelektronika PIC32MX7 MMB has a joystick:
*
* ------ -------- --------------------------
* GPIO SIGNAL BOARD CONNECTION
* ------ -------- --------------------------
* RB0 JOY-A Joystick A, HDR1 pin 24
* RB2 JOY-C Joystick C, HDR1 pin 22
* RB1 JOY-B Joystick B, HDR1 pin 23
* RB3 JOY-D Joystick D, HDR1 pin 21
* RA10 JOY-CP Joystick CP, HDR1 pin 25
*/
/****************************************************************************
* 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 and pic32mx_setled
*
* 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);
#endif
#ifndef CONFIG_ARCH_LEDS
EXTERN void pic32mx_setled(int led, bool ledon);
#endif
#ifndef CONFIG_ARCH_LEDS
EXTERN void pic32mx_setleds(uint8_t ledset);
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_MIKROELEKTRONIKA_PIC32MX7MMB_INCLUDE_BOARD_H */
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