mirror of
https://github.com/hathach/tinyusb.git
synced 2025-01-17 05:32:55 +08:00
66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
/*
|
|
* printf_retarget.c
|
|
*
|
|
* Created on: Jan 11, 2013
|
|
* Author: hathach
|
|
*/
|
|
|
|
/*
|
|
* Software License Agreement (BSD License)
|
|
* Copyright (c) 2012, hathach (tinyusb.net)
|
|
* All rights reserved.
|
|
*
|
|
* 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. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
*
|
|
* This file is part of the tiny usb stack.
|
|
*/
|
|
|
|
#include "board.h"
|
|
|
|
//-------------------------------------------------------------------- +
|
|
// LPCXpresso printf redirection +
|
|
//-------------------------------------------------------------------- +
|
|
#if BSP_UART_ENABLE
|
|
// Called by bottom level of printf routine within RedLib C library to write
|
|
// a character. With the default semihosting stub, this would write the character
|
|
// to the debugger console window . But this version writes
|
|
// the character to the UART.
|
|
int __sys_write (int iFileHandle, char *pcBuffer, int iLength)
|
|
{
|
|
(void) iFileHandle;
|
|
return board_uart_send(pcBuffer, iLength);
|
|
}
|
|
|
|
// Called by bottom level of scanf routine within RedLib C library to read
|
|
// a character. With the default semihosting stub, this would read the character
|
|
// from the debugger console window (which acts as stdin). But this version reads
|
|
// the character from the UART.
|
|
int __sys_readc (void)
|
|
{
|
|
uint8_t c;
|
|
board_uart_recv(&c, 1);
|
|
return (int)c;
|
|
}
|
|
|
|
#endif
|