65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
/***************************************************************************//**
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* \file stdio_user.c
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* \version 1.20
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*
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* \brief
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* This file provides low level function implementation to retarget
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* I/O functions of the standard C run-time library.
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*
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********************************************************************************
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* \copyright
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* Copyright 2016-2018, Cypress Semiconductor Corporation. All rights reserved.
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* You may use this file only in accordance with the license, terms, conditions,
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* disclaimers, and limitations in the end user license agreement accompanying
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* the software package with which this file was provided.
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*******************************************************************************/
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#include "stdio_user.h"
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#if defined (IO_STDOUT_ENABLE) && defined (IO_STDOUT_UART)
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/*******************************************************************************
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* Function Name: STDIO_PutChar
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********************************************************************************
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*
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* This function outputs a character through user defined target.
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* Note: this is a template function which may be overwritten by the USER in order
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* to change the target used in redirecting STDOUT stream.
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*
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* \param ch
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* The character to send.
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*
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*******************************************************************************/
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void STDIO_PutChar(uint32_t ch)
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{
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/* Place the call to your function here. */
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while(0U == Cy_SCB_UART_Put(IO_STDOUT_UART, ch))
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{
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/* Wait until FIFO is full */
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}
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}
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#endif /* IO_STDOUT_ENABLE && IO_STDOUT_UART */
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#if defined (IO_STDIN_ENABLE) && defined (IO_STDIN_UART)
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/*******************************************************************************
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* Function Name: STDIO_GetChar
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********************************************************************************
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*
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* This function retrieves STDIN from a user specified input source.
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* Note: this is a template function which may be overwritten by the USER in order
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* to change the target used in redirecting STDIN stream.
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*
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* \return
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* The received character.
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*
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*******************************************************************************/
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uint32_t STDIO_GetChar(void)
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{
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/* Place the call to your function here. */
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while(0UL == Cy_SCB_UART_GetNumInRxFifo(IO_STDIN_UART))
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{
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}
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return (Cy_SCB_UART_Get(IO_STDIN_UART));
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}
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#endif /* IO_STDIN_ENABLE && IO_STDIN_UART */
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/* [] END OF FILE */
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