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Diffstat (limited to 'nuttx/configs/pic32mx7mmb/include/board.h')
| -rw-r--r-- | nuttx/configs/pic32mx7mmb/include/board.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/nuttx/configs/pic32mx7mmb/include/board.h b/nuttx/configs/pic32mx7mmb/include/board.h new file mode 100644 index 000000000..e4a91507c --- /dev/null +++ b/nuttx/configs/pic32mx7mmb/include/board.h @@ -0,0 +1,221 @@ +/**************************************************************************** + * 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) */ + +/* 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 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 LED1-3 on the + * board graphics (but referred to as LED4-6 in the schematic): + * + * PIN User's Guide Board Stencil Notes + * --- ------------- -------------- ------------------------- + * RD0 "User LED D4" "LED1 (RD0") High illuminates (RED) + * RD2 "User LED D5" "LED3 (RD2)" High illuminates (YELLOW) + * RD1 "User LED D6" "LED2 (RD1)" High illuminates (GREEN) + * + * We will use the labels on the board to identify LEDs + * + * There are 5 additional LEDs available on the MEB (but not used by NuttX): + * + * RD1 LED1 + * RD2 LED2 + * RD3 LED3 + * RC1 LED4 + * RC2 LED5 + */ + +/* LED index values for use with pic32mx_setled() */ + +#define PIC32MX_PIC32MX7MMB_LED1 0 +#define PIC32MX_PIC32MX7MMB_LED2 1 +#define PIC32MX_PIC32MX7MMB_LED3 2 +#define PIC32MX_PIC32MX7MMB_NLEDS 3 + +/* LED bits for use with pic32mx_setleds() */ + +#define PIC32MX_PIC32MX7MMB_LED1_BIT (1 << PIC32MX_PIC32MX7MMB_LED1) +#define PIC32MX_PIC32MX7MMB_LED2_BIT (1 << PIC32MX_PIC32MX7MMB_LED2) +#define PIC32MX_PIC32MX7MMB_LED3_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 + * ------------------------- ---- ---- ---- ---- ---- ---- + * LED1 LED2 LED3 LED1 LED2 LED3 + * ------------------------- ---- ---- ---- ---- ---- ---- + * 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 PIC32 start kit has 3 switches: + * + * RD7 Switch SW2 (low when closed) + * RD6 Switch SW1 (low when closed) + * RD13 Switch SW3 (low when closed) + */ + +/**************************************************************************** + * 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 */ |