mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
140 lines
3.0 KiB
C
140 lines
3.0 KiB
C
/*
|
|
* Copyright (C) 2016 Freie Universität Berlin
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU Lesser
|
|
* General Public License v2.1. See the file LICENSE in the top level
|
|
* directory for more details.
|
|
*/
|
|
|
|
/**
|
|
* @ingroup boards_microbit
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Peripheral configuration for the BBC micro:bit
|
|
*
|
|
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
|
|
*/
|
|
|
|
#ifndef PERIPH_CONF_H
|
|
#define PERIPH_CONF_H
|
|
|
|
#include "periph_cpu.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @name Clock configuration
|
|
*
|
|
* @note The radio will not work with the internal RC oscillator!
|
|
*
|
|
* @{
|
|
*/
|
|
#define CLOCK_CORECLOCK (16000000U) /* fixed for all NRF51822 */
|
|
#define CLOCK_CRYSTAL (16U) /* set to 0: internal RC oscillator
|
|
16: 16MHz crystal
|
|
32: 32MHz crystal */
|
|
/** @} */
|
|
|
|
/**
|
|
* @name Timer configuration
|
|
* @{
|
|
*/
|
|
static const timer_conf_t timer_config[] = {
|
|
{
|
|
.dev = NRF_TIMER0,
|
|
.channels = 3,
|
|
.bitmode = TIMER_BITMODE_BITMODE_24Bit,
|
|
.irqn = TIMER0_IRQn
|
|
},
|
|
{
|
|
.dev = NRF_TIMER1,
|
|
.channels = 3,
|
|
.bitmode = TIMER_BITMODE_BITMODE_16Bit,
|
|
.irqn = TIMER1_IRQn
|
|
},
|
|
{
|
|
.dev = NRF_TIMER2,
|
|
.channels = 3,
|
|
.bitmode = TIMER_BITMODE_BITMODE_16Bit,
|
|
.irqn = TIMER2_IRQn
|
|
}
|
|
};
|
|
|
|
#define TIMER_0_ISR isr_timer0
|
|
#define TIMER_1_ISR isr_timer1
|
|
#define TIMER_2_ISR isr_timer2
|
|
|
|
#define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0]))
|
|
/** @} */
|
|
|
|
/**
|
|
* @name Real time counter configuration
|
|
* @{
|
|
*/
|
|
#define RTT_NUMOF (1U)
|
|
#define RTT_IRQ_PRIO 1
|
|
|
|
#define RTT_DEV NRF_RTC1
|
|
#define RTT_IRQ RTC1_IRQn
|
|
#define RTT_ISR isr_rtc1
|
|
#define RTT_MAX_VALUE (0xffffff)
|
|
#define RTT_FREQUENCY (10) /* in Hz */
|
|
#define RTT_PRESCALER (3275U) /* run with 10 Hz */
|
|
/** @} */
|
|
|
|
/**
|
|
* @brief UART configuration
|
|
* @{
|
|
*/
|
|
#define UART_NUMOF (1U)
|
|
/* UART pin configuration */
|
|
#define UART_HWFLOWCTRL 0
|
|
#define UART_PIN_RX 25
|
|
#define UART_PIN_TX 24
|
|
/** @} */
|
|
|
|
/**
|
|
* @brief I2C (TWI) configuration
|
|
* @{
|
|
*/
|
|
static const i2c_conf_t i2c_config[] = {
|
|
{
|
|
.dev = NRF_TWI0,
|
|
.pin_scl = 0,
|
|
.pin_sda = 30,
|
|
.ppi = 0
|
|
}
|
|
};
|
|
|
|
#define I2C_NUMOF (sizeof(i2c_config) / sizeof(i2c_config[0]))
|
|
/** @} */
|
|
|
|
/**
|
|
* @brief ADC configuration
|
|
*
|
|
* The configuration consists simply of a list of channels that should be used
|
|
* @{
|
|
*/
|
|
#define ADC_NUMOF (0)
|
|
/** @} */
|
|
|
|
/**
|
|
* @brief Radio device configuration
|
|
*
|
|
* The radio is not guarded by a NUMOF define, as the radio is selected by its
|
|
* own module in the build system.
|
|
* @{
|
|
*/
|
|
#define RADIO_IRQ_PRIO 1
|
|
/** @} */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* PERIPH_CONF_H */
|
|
/** @} */
|