110 lines
3.7 KiB
C
110 lines
3.7 KiB
C
/****************************************************************************
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* arch/arm/src/tms570/tms570_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_TMS570_TMS570_LOWPUTC_H
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#define __ARCH_ARM_SRC_TMS570_TMS570_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 <nuttx/compiler.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "arm_internal.h"
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#include "chip.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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/* This structure describes the configuration of an SCI UART */
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struct sci_config_s
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{
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uint32_t baud; /* Configured baud */
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uint8_t parity; /* 0=none, 1=odd, 2=even */
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uint8_t bits; /* Number of bits (5-9) */
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bool stopbits2; /* true: Configure with 2 stop bits instead of 1 */
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};
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/****************************************************************************
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* Inline Functions
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Public Data
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****************************************************************************/
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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: tms570_lowsetup
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*
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* Description:
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* Called at the very beginning of _start.
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* Performs low level initialization including setup of the console SCI.
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* This SCI done early so that the serial console is available for
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* debugging very early in the boot sequence.
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*
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****************************************************************************/
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void tms570_lowsetup(void);
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/****************************************************************************
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* Name: tms570_sci_configure
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*
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* Description:
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* Configure an SCI for non-interrupt driven operation
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*
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****************************************************************************/
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int tms570_sci_configure(uint32_t base,
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const struct sci_config_s *config);
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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_TMS570_TMS570_LOWPUTC_H */
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