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94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/*
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* Copyright (C) 2015 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup boards_slwstk6220a
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* @{
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*
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* @file
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* @brief Configuration of CPU peripherals for the WSTK6220 board
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*/
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#ifndef PERIPH_CONF_H
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#define PERIPH_CONF_H
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#include <stdint.h>
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#include "cpu.h"
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#include "periph_cpu.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name Clock configuration
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* @{
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*/
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#define CLOCK_RCOSC (14000000) /* internal RC oscillator speed */
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/* external oscillator speed, comment out if you want to use the internal RC
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* oscillator circuit as a clock source */
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#define CLOCK_HFXO (48000000U)
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/* define clock dividers */
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#define CLOCK_HFCORECLKDIV (1U) /* core clock divider */
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#define CLOCK_HFPERCLKDIV (1U) /* peripheral clock divider */
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/* generate the actual clock values */
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#ifdef CLOCK_HFXO
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#define CLOCK_CORECLOCK (CLOCK_HFXO / CLOCK_HFCORECLKDIV)
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#else
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#define CLOCK_CORECLOCK (CLOCK_RCOSC / CLOCK_HFCORECLKDIV)
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#endif
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#define CLOCK_HFPERCLK (CLOCK_CORECLOCK / CLOCK_HFPERCLKDIV)
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/** @} */
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/**
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* @name Timer configuration
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* @{
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*/
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static const timer_conf_t timer_config[] = {
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{
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TIMER0, /* lower numbered timer, used as pre-scaler */
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TIMER1, /* higher numbered timer, this is the one */
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5, /* pre-scaler bit in the CMU register */
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TIMER1_IRQn, /* IRQn of the higher numbered driver */
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}
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};
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#define TIMER_0_ISR isr_timer1
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#define TIMER_0_MAX_VALUE (0xffff) /* 16-bit timer */
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#define TIMER_NUMOF ARRAY_SIZE(timer_config)
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/** @} */
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/**
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* @name UART configuration
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* @{
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*/
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static const uart_conf_t uart_config[] = {
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{
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USART2, /* device */
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GPIO_PIN(PB,4), /* RX pin */
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GPIO_PIN(PB,3), /* TX pin */
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1, /* AF location */
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2, /* bit in CMU enable register */
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USART2_RX_IRQn /* IRQ base channel */
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},
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};
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#define UART_0_ISR_RX isr_usart2_rx
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#define UART_NUMOF ARRAY_SIZE(uart_config)
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* PERIPH_CONF_H */
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/** @} */
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