* arch/arm/src/kl/kl_lowputc.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_KL_KL_LOWPUTC_H
#define __ARCH_ARM_SRC_KL_KL_LOWPUTC_H
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "kl_config.h"
* Pre-processor Definitions
****************************************************************************/
* Public Types
****************************************************************************/
* Public Data
****************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
* Public Functions Prototypes
****************************************************************************/
* Name: kl_lowsetup
*
* Description:
* Called at the very beginning of _start.
* Performs low level initialization including setup of the console UART.
* This UART done early so that the serial console is available for
* debugging very early in the boot sequence.
*
****************************************************************************/
void kl_lowsetup(void);
* Name: kl_uartreset
*
* Description:
* Reset a UART.
*
****************************************************************************/
#ifdef HAVE_UART_DEVICE
void kl_uartreset(uintptr_t uart_base);
#endif
* Name: kl_lowputc
*
* Description:
* Output one character to the UART using a simple polling method.
*
****************************************************************************/
#ifdef HAVE_SERIAL_CONSOLE
void kl_lowputc(uint32_t ch);
#endif
* Name: kl_uartconfigure
*
* Description:
* Configure a UART as a RS-232 UART.
*
****************************************************************************/
#ifdef HAVE_UART_DEVICE
void kl_uartconfigure(uintptr_t uart_base, uint32_t baud, uint32_t clock,
unsigned int parity, unsigned int nbits);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif
#endif