112 lines
3.8 KiB
C
112 lines
3.8 KiB
C
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/******************************************************************************
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* The MIT License
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*
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* Copyright (c) 2011 LeafLabs, LLC.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*****************************************************************************/
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/**
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* @file wirish/boards/maple/include/board/board.h
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* @author Marti Bolivar <mbolivar@leaflabs.com>
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* @brief Maple board header.
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*/
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#ifndef _BOARD_MAPLE_H_
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#define _BOARD_MAPLE_H_
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/**
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* If you solder an external oscillator, you may run the board at 72mhz,
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* else, we keep it at 36mhz for simplicity and stability
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*/
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#define CYCLES_PER_MICROSECOND 72
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#define SYSTICK_RELOAD_VAL 71999 /* takes a cycle to reload */
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/* Pin number for the built-in button. */
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#define BOARD_BUTTON_PIN 27
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/* Pin number for the built-in LED. */
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#define BOARD_LED_PIN 13
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/* Number of USARTs/UARTs whose pins are broken out to headers. */
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#define BOARD_NR_USARTS 3
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/* USART pin numbers. */
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#define BOARD_USART1_TX_PIN 7
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#define BOARD_USART1_RX_PIN 8
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#define BOARD_USART2_TX_PIN 1
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#define BOARD_USART2_RX_PIN 0
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#define BOARD_USART3_TX_PIN 29
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#define BOARD_USART3_RX_PIN 30
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/* Number of SPI ports broken out to headers. */
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#define BOARD_NR_SPI 2
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/* SPI pin numbers. */
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#define BOARD_SPI1_NSS_PIN 10
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#define BOARD_SPI1_MOSI_PIN 11
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#define BOARD_SPI1_MISO_PIN 12
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#define BOARD_SPI1_SCK_PIN 13
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#define BOARD_SPI2_NSS_PIN 31
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#define BOARD_SPI2_MOSI_PIN 34
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#define BOARD_SPI2_MISO_PIN 33
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#define BOARD_SPI2_SCK_PIN 32
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/* Total number of GPIO pins that are broken out to headers and
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* intended for use. This includes pins like the LED, button, and
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* debug port (JTAG/SWD) pins. */
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#define BOARD_NR_GPIO_PINS 44
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/* Number of pins capable of PWM output. */
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#define BOARD_NR_PWM_PINS 8
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/* Number of pins capable of ADC conversion. */
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#define BOARD_NR_ADC_PINS 6
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/* Number of pins already connected to external hardware. For Maple,
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* these are just BOARD_LED_PIN, BOARD_BUTTON_PIN, and the debug port
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* pins (see below). */
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#define BOARD_NR_USED_PINS 2
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/**
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* Note: there is no USB in this board.
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*/
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/* Pin aliases: these give the GPIO port/bit for each pin as an
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* enum. These are optional, but recommended. They make it easier to
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* write code using low-level GPIO functionality. */
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enum {
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PA3, PA2, PA10, PB3, PB5, PB4, PB10, PA8,
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PA9, PC7, PB6, PA7, PA6, PA5, PB9,PB8,
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PA0, PA1, PA4, PB0, PC1, PC0,
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PB7, PC2, PC3, PC4, PC5,
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PC13, PC14,PC15, PD2, PC10, PB1, PB11, PB12, PB13, PB14, PB15, PC6, PC8, PC9,
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PA13,PA14, PA15
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};
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/*
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enum {
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PA3, PA2, PA0, PA1, PB5, PB6, PA8, PA9, PA10, PB7, PA4, PA7, PA6, PA5, PB8,
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PC0, PC1, PC2, PC3, PC4, PC5, PC13, PC14, PC15, PB9, PD2, PC10, PB0, PB1,
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PB10, PB11, PB12, PB13, PB14, PB15, PC6, PC7, PC8, PC9, PA13, PA14, PA15,
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PB3, PB4
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};
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*/
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#endif
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