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/************************************************************************************
* arch/arm/src/kl/kl_lowputc.h
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __ARCH_ARM_SRC_KL_KINETIS_LOWPUTC_H
#define __ARCH_ARM_SRC_KL_KINETIS_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
************************************************************************************/
/************************************************************************************
* 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 /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_SRC_KL_KINETIS_LOWPUTC_H */
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