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190 lines
7.1 KiB
190 lines
7.1 KiB
/**************************************************************************** |
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* configs/mirtoo/include/board.h |
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* include/arch/board/board.h |
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* |
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* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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#ifndef __CONFIGS_MIRTOO_INCLUDE_BOARD_H |
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#define __CONFIGS_MIRTOO_INCLUDE_BOARD_H |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#ifndef __ASSEMBLY__ |
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# include <stdbool.h> |
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#endif |
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/**************************************************************************** |
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* Pre-Processor Definitions |
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****************************************************************************/ |
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/* Configuration ************************************************************/ |
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/* Clocking *****************************************************************/ |
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/* The Mirtoo does not use an external crystal but relies instead on the |
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* internal +/- 0.9% FRC clock. That clock has a nomninal frequency of 8MHz. |
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*/ |
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#define BOARD_FRC_FREQ 8000000 /* FRC nomimal frequency(8MHz) */ |
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/* Oscillator modes */ |
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#define BOARD_FNOSC_FRCPLL 1 /* Use FRC w/PLL module */ |
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#define BOARD_POSC_DISABLED 1 /* Disable primary oscillator */ |
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/* PLL configuration and resulting CPU clock. |
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* CPU_CLOCK = ((POSC_FREQ / IDIV) * MULT) / ODIV |
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*/ |
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#define BOARD_PLL_INPUT BOARD_FRC_FREQ |
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#define BOARD_PLL_IDIV 2 /* PLL input divider: Input = 4MHz */ |
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#define BOARD_PLL_MULT 20 /* PLL multiplier: PLL = 80MHz */ |
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#define BOARD_PLL_ODIV 2 /* PLL output divider: Output = 40MHz */ |
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#define BOARD_CPU_CLOCK 40000000 /* CPU clock 40MHz = (((8MHz / 2) * 20) / 2) */ |
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/* USB PLL configuration. |
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* USB_CLOCK = ((POSC_XTAL / IDIV) * 24) / 2 |
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*/ |
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#define BOARD_UPLL_IDIV 2 /* USB PLL divider (revisit) */ |
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#define BOARD_USB_CLOCK 48000000 /* USB clock (8MHz / 2) * 24 / 2) */ |
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/* Peripheral clock is divided down from CPU clock. |
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* PBCLOCK = CPU_CLOCK / PBDIV |
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*/ |
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#define BOARD_PBDIV 1 /* Peripheral clock divisor (PBDIV) */ |
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#define BOARD_PBCLOCK 40000000 /* Peripheral clock (PBCLK = 40MHz/1) */ |
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/* Watchdog pre-scaler (re-visit) */ |
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#define BOARD_WD_ENABLE 0 /* Watchdog is disabled */ |
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#define BOARD_WD_PRESCALER 8 /* Watchdog pre-scaler */ |
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/* LED definitions **********************************************************/ |
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/* The Mirtoo module has 2 user LEDs labeled LED0 and LED1 in the schematics: |
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* |
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* --- ----- -------------------------------------------------------------- |
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* PIN Board Notes |
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* --- ----- -------------------------------------------------------------- |
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* RC8 LED0 Grounded, high value illuminates |
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* RC9 LED1 Grounded, high value illuminates |
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* |
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* The Dimitech DTX1-4000L EV-kit1 supports 3 more LEDs, but there are not |
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* controllable from software. |
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*/ |
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/* LED index values for use with pic32mx_setled() */ |
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#define PIC32MX_MIRTOO_LED0 0 |
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#define PIC32MX_MIRTOO_LED1 1 |
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#define PIC32MX_MIRTOO_NLEDS 2 |
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/* LED bits for use with pic32mx_setleds() */ |
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#define PIC32MX_MIRTOO_LED0_BIT (1 << PIC32MX_MIRTOO_LED0) |
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#define PIC32MX_MIRTOO_LED1_BIT (1 << PIC32MX_MIRTOO_LED1) |
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/* If CONFIG_ARCH_LEDS is defined, then NuttX will control these LEDs as |
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* follows: |
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* ON OFF |
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* ------------------------- ---- ---- ---- ---- |
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* LED0 LED1 LED0 LED1 |
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* ------------------------- ---- ---- ---- ---- |
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* LED_STARTED 0 OFF OFF --- --- |
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* LED_HEAPALLOCATE 1 ON OFF --- --- |
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* LED_IRQSENABLED 2 OFF ON --- --- |
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* LED_STACKCREATED 3 ON ON --- --- |
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* LED_INIRQ 4 ON N/C OFF N/C |
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* LED_SIGNAL 4 ON N/C OFF N/C |
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* LED_ASSERTION 4 ON N/C OFF N/C |
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* LED_PANIC 4 ON N/C OFF N/C |
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*/ |
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#define LED_STARTED 0 |
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#define LED_HEAPALLOCATE 1 |
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#define LED_IRQSENABLED 2 |
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#define LED_STACKCREATED 3 |
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#define LED_INIRQ 4 |
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#define LED_SIGNAL 4 |
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#define LED_ASSERTION 4 |
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#define LED_PANIC 4 |
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#define LED_NVALUES 5 |
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/**************************************************************************** |
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* Public Types |
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****************************************************************************/ |
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#ifndef __ASSEMBLY__ |
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/**************************************************************************** |
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* Inline Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Function Prototypes |
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****************************************************************************/ |
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#ifdef __cplusplus |
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#define EXTERN extern "C" |
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extern "C" { |
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#else |
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#define EXTERN extern |
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#endif |
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/**************************************************************************** |
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* Name: pic32mx_ledinit, pic32mx_setled, and pic32mx_setleds |
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* |
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* Description: |
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board |
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* LEDs. If CONFIG_ARCH_LEDS is not defined, then the following interfaces |
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* are available to control the LEDs from user applicaitons. |
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* |
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****************************************************************************/ |
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#ifndef CONFIG_ARCH_LEDS |
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EXTERN void pic32mx_ledinit(void); |
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EXTERN void pic32mx_setled(int led, bool ledon); |
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EXTERN void pic32mx_setleds(uint8_t ledset); |
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#endif |
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#undef EXTERN |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* __ASSEMBLY__ */ |
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#endif /* __CONFIGS_MIRTOO_INCLUDE_BOARD_H */
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