diff options
Diffstat (limited to 'tinyusb/lib/SEGGER_RTT/Syscalls/SEGGER_RTT_Syscalls_GCC.c')
| -rwxr-xr-x | tinyusb/lib/SEGGER_RTT/Syscalls/SEGGER_RTT_Syscalls_GCC.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/tinyusb/lib/SEGGER_RTT/Syscalls/SEGGER_RTT_Syscalls_GCC.c b/tinyusb/lib/SEGGER_RTT/Syscalls/SEGGER_RTT_Syscalls_GCC.c new file mode 100755 index 00000000..da4a4b5f --- /dev/null +++ b/tinyusb/lib/SEGGER_RTT/Syscalls/SEGGER_RTT_Syscalls_GCC.c @@ -0,0 +1,120 @@ +/********************************************************************* +* SEGGER Microcontroller GmbH * +* The Embedded Experts * +********************************************************************** +* * +* (c) 1995 - 2019 SEGGER Microcontroller GmbH * +* * +* www.segger.com Support: support@segger.com * +* * +********************************************************************** +* * +* SEGGER RTT * Real Time Transfer for embedded targets * +* * +********************************************************************** +* * +* All rights reserved. * +* * +* SEGGER strongly recommends to not make any changes * +* to or modify the source code of this software in order to stay * +* compatible with the RTT protocol and J-Link. * +* * +* Redistribution and use in source and binary forms, with or * +* without modification, are permitted provided that the following * +* condition is met: * +* * +* o Redistributions of source code must retain the above copyright * +* notice, this condition and the following disclaimer. * +* * +* 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 SEGGER Microcontroller 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. * +* * +********************************************************************** +---------------------------END-OF-HEADER------------------------------ +File : SEGGER_RTT_Syscalls_GCC.c +Purpose : Low-level functions for using printf() via RTT in GCC. + To use RTT for printf output, include this file in your + application. +Revision: $Rev: 17697 $ +---------------------------------------------------------------------- +*/ +#if (defined __GNUC__) && !(defined __SES_ARM) && !(defined __CROSSWORKS_ARM) + +#include <reent.h> // required for _write_r +#include "SEGGER_RTT.h" + + +/********************************************************************* +* +* Types +* +********************************************************************** +*/ +// +// If necessary define the _reent struct +// to match the one passed by the used standard library. +// +struct _reent; + +/********************************************************************* +* +* Function prototypes +* +********************************************************************** +*/ +int _write(int file, char *ptr, int len); +int _write_r(struct _reent *r, int file, const void *ptr, int len); + +/********************************************************************* +* +* Global functions +* +********************************************************************** +*/ + +/********************************************************************* +* +* _write() +* +* Function description +* Low-level write function. +* libc subroutines will use this system routine for output to all files, +* including stdout. +* Write data via RTT. +*/ +int _write(int file, char *ptr, int len) { + (void) file; /* Not used, avoid warning */ + SEGGER_RTT_Write(0, ptr, len); + return len; +} + +/********************************************************************* +* +* _write_r() +* +* Function description +* Low-level reentrant write function. +* libc subroutines will use this system routine for output to all files, +* including stdout. +* Write data via RTT. +*/ +int _write_r(struct _reent *r, int file, const void *ptr, int len) { + (void) file; /* Not used, avoid warning */ + (void) r; /* Not used, avoid warning */ + SEGGER_RTT_Write(0, ptr, len); + return len; +} + +#endif +/****** End Of File *************************************************/ |