nuttx/arch/arm/src/efm32/efm32_bitband.h
Alin Jerpelea 0f41c3c555 NuttX: Pierre-Noel Bouteville: update licenses to Apache
Pierre-Noel Bouteville has submitted the ICLA and we can migrate the licenses
 to Apache.

David Sidrane has submitted the ICLA and we can migrate the licenses
 to Apache.

Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-04-01 12:13:12 -05:00

68 lines
2.6 KiB
C

/****************************************************************************
* arch/arm/src/efm32/efm32_bitband.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_EFM32_EFM32_BITBAND_H
#define __ARCH_ARM_SRC_EFM32_EFM32_BITBAND_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "hardware/efm32_memorymap.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#if defined(CONFIG_EFM32_BITBAND)
inline void bitband_set_peripheral(uint32_t addr,
uint32_t bit, uint32_t val);
inline uint32_t bitband_get_peripheral(uint32_t addr, uint32_t bit);
inline void bitband_set_sram(uint32_t addr, uint32_t bit, uint32_t val);
inline uint32_t bitband_get_sram(uint32_t addr, uint32_t bit);
#else
# define bitband_set_peripheral(addr,bit,val)\
modifyreg32(addr,~(1<<bit),(1<<bit))
# define bitband_get_peripheral(addr,bit) (((getreg32(addr)) >> bit) & 1)
# define bitband_set_sram(add,bit,val)\
modifyreg32(addr,~(1<<bit),(1<<bit))
# define bitband_get_sram(addr,bit) (((getreg32(addr)) >> bit) & 1)
#endif
#endif /* __ARCH_ARM_SRC_EFM32_EFM32_BITBAND_H */