170 lines
6.3 KiB
C
170 lines
6.3 KiB
C
/****************************************************************************
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* boards/mips/pic32mx/sure-pic32mx/include/board.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_MIPS_PIC32MX_SURE_PIC32MX_INCLUDE_BOARD_H
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#define __BOARDS_MIPS_PIC32MX_SURE_PIC32MX_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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/****************************************************************************
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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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/* Crystal frequencies */
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#define BOARD_POSC_FREQ 20000000 /* Primary OSC XTAL frequency (20MHz) */
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#define BOARD_SOSC_FREQ 32768 /* Secondary OSC XTAL frequency (32.768KHz) */
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/* Oscillator modes */
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#define BOARD_FNOSC_POSCPLL 1 /* Use primary oscillator w/PLL */
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#define BOARD_POSC_HSMODE 1 /* High-speed crystal (HS) mode */
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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_POSC_FREQ
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#define BOARD_PLL_IDIV 5 /* PLL input divider */
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#define BOARD_PLL_MULT 15 /* PLL multiplier */
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#define BOARD_PLL_ODIV 1 /* PLL output divider */
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#define BOARD_CPU_CLOCK 60000000 /* CPU clock (60MHz = (20MHz / 5) * 15 / 1) */
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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 5 /* USB PLL divider */
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#define BOARD_USB_CLOCK 48000000 /* USB clock ((20MHz / 5) * 24) / 2 */
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/* Peripheral clock is *not* 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 60000000 /* Peripheral clock (PBCLK = 60MHz/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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/* Timer 1 is a type A timer and is used as system clock. It can be clocked
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* with either the SOSC or the PBCLOCK. We will use the PBCLOCK because it
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* is much more accurate.
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*/
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#undef BOARD_TIMER1_SOSC
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/* LED definitions **********************************************************/
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/* The Sure DB_DP11215 PIC32 Storage Demo Board board has five LEDs. One
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* (D4, lablel "Power") is not controllable by software. Four are
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* controllable by software:
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*
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* D7 "USB" Yellow RD7 Low illuminates
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* D8 "SD" Yellow RD6 Low illuminates
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* D9 "Flash" Yellow RF0 Low illuminates
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* D10 "Error" Red RF1 Low illuminates
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*/
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/* ON OFF */
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/* USB SD FLASH ERROR USB SD FLASH ERROR */
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#define LED_STARTED 0 /* OFF OFF OFF OFF --- --- --- --- */
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#define LED_HEAPALLOCATE 1 /* ON OFF N/C N/C --- --- --- --- */
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#define LED_IRQSENABLED 2 /* OFF ON N/C N/C --- --- --- --- */
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#define LED_STACKCREATED 3 /* ON ON N/C N/C --- --- --- --- */
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#define LED_INIRQ 4 /* N/C N/C ON N/C N/C N/C OFF N/C */
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#define LED_SIGNAL 4 /* N/C N/C ON N/C N/C N/C OFF N/C */
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#define LED_ASSERTION 4 /* N/C N/C ON N/C N/C N/C OFF N/C */
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#define LED_PANIC 5 /* N/C N/C N/C ON N/C N/C N/C OFF */
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#define LED_NVALUES 6
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/* The Sure DB-DP11212 PIC32 General Purpose Demo Board does not have any
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* user controllable LEDs, but does does have a segment LED display.
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* That display is however, obscured by the larger segment display attached
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* to the board and, so, is not supported.
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*/
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/* For distinguishing individual LEDs */
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#define LED_USB 0
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#define LED_SD 1
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#define LED_FLASH 2
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#define LED_ERROR 3
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/* Button Definitions *******************************************************/
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/* The Sure PIC32MX board has three buttons.
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*
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* SW1 (SW_UP, left arrow) RB3 Pulled high, GND/low when depressed
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* SW2 (SW_DOWN, down/right arrow) RB2 Pulled high, GND/low when depressed
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* SW3 (SW_OK, right arrow) RB4 Pulled high, GND/low when depressed
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*/
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#define BUTTON_SW1 0
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#define BUTTON_SW2 1
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#define BUTTON_SW3 2
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#define NUM_BUTTONS 3
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#define BUTTON_SW1_BIT (1 << BUTTON_SW1)
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#define BUTTON_SW2_BIT (1 << BUTTON_SW2)
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#define BUTTON_SW3_BIT (1 << BUTTON_SW3)
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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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{
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#else
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#define EXTERN extern
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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 /* __BOARDS_MIPS_PIC32MX_SURE_PIC32MX_INCLUDE_BOARD_H */
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