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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) */
- /* Oscillator modes */
- #define BOARD_FNOSC_POSCPLL 1 /* Use primary oscillator w/PLL */
- #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_INPUT BOARD_POSC_FREQ
- #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 2 /* Peripheral clock divisor (PBDIV) */
- #define BOARD_PBCLOCK 40000000 /* Peripheral clock (PBCLK = 80MHz/2) */
- /* 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 board_userled() */
- #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 board_userled_all() */
- #define PIC32MX_PIC32MX7MMB_LED0_BIT (1 << PIC32MX_PIC32MX7MMB_LED0)
- #define PIC32MX_PIC32MX7MMB_LED1_BIT (1 << PIC32MX_PIC32MX7MMB_LED1)
- #define PIC32MX_PIC32MX7MMB_LED2_BIT (1 << PIC32MX_PIC32MX7MMB_LED2)
- /* 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
- ****************************************************************************/
- #ifdef __cplusplus
- #define EXTERN extern "C"
- extern "C"
- {
- #else
- #define EXTERN extern
- #endif
- /****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
- #undef EXTERN
- #ifdef __cplusplus
- }
- #endif
- #endif /* __ASSEMBLY__ */
- #endif /* __CONFIGS_MIKROELEKTRONIKA_PIC32MX7MMB_INCLUDE_BOARD_H */
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