/**************************************************************************** * configs/mirtoo/include/board.h * include/arch/board/board.h * * Copyright (C) 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #ifndef __ASSEMBLY__ # include #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 board_userled() */ #define PIC32MX_MIRTOO_LED0 0 #define PIC32MX_MIRTOO_LED1 1 #define PIC32MX_MIRTOO_NLEDS 2 /* LED bits for use with board_userled_all() */ #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 ****************************************************************************/ #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_MIRTOO_INCLUDE_BOARD_H */