56471c77b3
Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
129 lines
4.2 KiB
C
129 lines
4.2 KiB
C
/****************************************************************************
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* arch/arm/src/samd2l2/sam_lowputc.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_SAMD2L2_SAM_LOWPUTC_H
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#define __ARCH_ARM_SRC_SAMD2L2_SAM_LOWPUTC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include "sam_config.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: sam_lowsetup
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*
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* Description:
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* Called at the very beginning of _start. Performs low level
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* initialization.
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*
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****************************************************************************/
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void sam_lowsetup(void);
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/****************************************************************************
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* Name: sam_usart_initialize
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*
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* Description:
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* Set the configuration of a SERCOM for provided USART configuration.
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* This configures the SERCOM as a USART, but does not configure USART
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* interrupts or enable the USART.
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*
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****************************************************************************/
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#ifdef SAMD2L2_HAVE_USART
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struct sam_usart_config_s;
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int sam_usart_initialize(const struct sam_usart_config_s *const config);
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#endif
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/****************************************************************************
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* Name: sam_usart_reset
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*
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* Description:
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* Reset the USART SERCOM. This restores all SERCOM register to the
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* initial state and disables the SERCOM.
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*
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****************************************************************************/
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#ifdef SAMD2L2_HAVE_USART
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struct sam_usart_config_s;
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void sam_usart_reset(const struct sam_usart_config_s *const config);
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#endif
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/****************************************************************************
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* Name: sam_usart_enable
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*
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* Description:
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* Enable the SERCOM USART (without enabling interrupts).
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*
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****************************************************************************/
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#ifdef SAMD2L2_HAVE_USART
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struct sam_usart_config_s;
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void sam_usart_enable(const struct sam_usart_config_s *const config);
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#endif
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/****************************************************************************
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* Name: sam_lowputc
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*
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* Description:
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* Output one character to the USART using a simple polling method.
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*
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****************************************************************************/
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#ifdef HAVE_SERIAL_CONSOLE
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void sam_lowputc(uint32_t ch);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_SAMD2L2_SAM_LOWPUTC_H */
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