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RIOT/cpu/efm32/include/cpu_conf.h

69 lines
1.4 KiB
C

/*
* Copyright (C) 2015-2017 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 cpu_efm32
* @{
*
* @file
* @brief Implementation specific CPU configuration options
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Bas Stottelaar <basstottelaar@gmail.com>
*/
#ifndef CPU_CONF_H
#define CPU_CONF_H
#include "cpu_conf_common.h"
#include "em_device.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief ARM Cortex-M specific CPU configuration
* @{
*/
#define CPU_DEFAULT_IRQ_PRIO (1U)
#define CPU_IRQ_NUMOF (EXT_IRQ_COUNT + 1)
#define CPU_FLASH_BASE (FLASH_BASE)
/** @} */
/**
* @brief Flash page configuration
* @{
*/
#define FLASHPAGE_SIZE (FLASH_PAGE_SIZE)
#define FLASHPAGE_NUMOF (FLASH_SIZE / FLASH_PAGE_SIZE)
/* The minimum block size which can be written is 4B. However, the erase
* block is always FLASHPAGE_SIZE.
*/
#define FLASHPAGE_WRITE_BLOCK_SIZE (4U)
/* Writing should be always 4 bytes aligned */
#define FLASHPAGE_WRITE_BLOCK_ALIGNMENT (4U)
/** @} */
/**
* @brief Bit-Band configuration
* @{
*/
#ifdef BITBAND_RAM_BASE
#define CPU_HAS_BITBAND 1
#endif
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* CPU_CONF_H */
/** @} */