diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/segger_rtt/SEGGER_RTT_Syscalls_SES.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/external/segger_rtt/SEGGER_RTT_Syscalls_SES.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/segger_rtt/SEGGER_RTT_Syscalls_SES.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/segger_rtt/SEGGER_RTT_Syscalls_SES.c new file mode 100644 index 0000000..2088cc9 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/segger_rtt/SEGGER_RTT_Syscalls_SES.c @@ -0,0 +1,264 @@ +/********************************************************************* +* SEGGER Microcontroller GmbH & Co. KG * +* The Embedded Experts * +********************************************************************** +* * +* (c) 2014 - 2017 SEGGER Microcontroller GmbH & Co. KG * +* * +* 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 * +* conditions are met: * +* * +* o Redistributions of source code must retain the above copyright * +* notice, this list of conditions and the following disclaimer. * +* * +* o 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. * +* * +* o Neither the name of SEGGER Microcontroller GmbH & Co. KG * +* 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 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. * +* * +********************************************************************** +* * +* RTT version: 6.18a * +* * +********************************************************************** +---------------------------END-OF-HEADER------------------------------ +File : SEGGER_RTT_Syscalls_SES.c +Purpose : Reimplementation of printf, puts and __getchar using RTT + in SEGGER Embedded Studio. + To use RTT for printf output, include this file in your + application. +Revision: $Rev: 4351 $ +---------------------------------------------------------------------- +*/ +#include "sdk_config.h" +#if !defined(RETARGET_ENABLED) || RETARGET_ENABLED == 0 +#if (defined __SES_ARM) || (defined __CROSSWORKS_ARM) + +#include "SEGGER_RTT.h" +#include <stdarg.h> +#include <stdio.h> +#include "limits.h" +#include "__libc.h" +#include "__vfprintf.h" + +/********************************************************************* +* +* Defines, configurable +* +********************************************************************** +*/ +// +// Select string formatting implementation. +// +// RTT printf formatting +// - Configurable stack usage. (SEGGER_RTT_PRINTF_BUFFER_SIZE in SEGGER_RTT_Conf.h) +// - No maximum string length. +// - Limited conversion specifiers and flags. (See SEGGER_RTT_printf.c) +// Standard library printf formatting +// - Configurable formatting capabilities. +// - Full conversion specifier and flag support. +// - Maximum string length has to be known or (slightly) slower character-wise output. +// +// #define PRINTF_USE_SEGGER_RTT_FORMATTING 0 // Use standard library formatting +// #define PRINTF_USE_SEGGER_RTT_FORMATTING 1 // Use RTT formatting +// +#ifndef PRINTF_USE_SEGGER_RTT_FORMATTING + #define PRINTF_USE_SEGGER_RTT_FORMATTING 0 +#endif +// +// If using standard library formatting, +// select maximum output string buffer size or character-wise output. +// +// #define PRINTF_BUFFER_SIZE 0 // Use character-wise output +// #define PRINTF_BUFFER_SIZE 128 // Default maximum string length +// +#ifndef PRINTF_BUFFER_SIZE + #define PRINTF_BUFFER_SIZE 128 +#endif + +#if PRINTF_USE_SEGGER_RTT_FORMATTING // Use SEGGER RTT formatting implementation +/********************************************************************* +* +* Function prototypes +* +********************************************************************** +*/ +int SEGGER_RTT_vprintf(unsigned BufferIndex, const char * sFormat, va_list * pParamList); + +/********************************************************************* +* +* Global functions, printf +* +********************************************************************** +*/ +/********************************************************************* +* +* printf() +* +* Function description +* print a formatted string using RTT and SEGGER RTT formatting. +*/ +int printf(const char *fmt,...) { + int n; + va_list args; + + va_start (args, fmt); + n = SEGGER_RTT_vprintf(0, fmt, &args); + va_end(args); + return n; +} + +#elif PRINTF_BUFFER_SIZE == 0 // Use standard library formatting with character-wise output + +/********************************************************************* +* +* Static functions +* +********************************************************************** +*/ +static int _putchar(int x, __printf_tag_ptr ctx) { + (void)ctx; + SEGGER_RTT_Write(0, (char *)&x, 1); + return x; +} + +/********************************************************************* +* +* Global functions, printf +* +********************************************************************** +*/ +/********************************************************************* +* +* printf() +* +* Function description +* print a formatted string character-wise, using RTT and standard +* library formatting. +*/ +int printf(const char *fmt, ...) { + int n; + va_list args; + __printf_t iod; + + va_start(args, fmt); + iod.string = 0; + iod.maxchars = INT_MAX; + iod.output_fn = _putchar; + SEGGER_RTT_LOCK(); + n = __vfprintf(&iod, fmt, args); + SEGGER_RTT_UNLOCK(); + va_end(args); + return n; +} + +#else // Use standard library formatting with static buffer + +/********************************************************************* +* +* Global functions, printf +* +********************************************************************** +*/ +/********************************************************************* +* +* printf() +* +* Function description +* print a formatted string using RTT and standard library formatting. +*/ +int printf(const char *fmt,...) { + int n; + char aBuffer[PRINTF_BUFFER_SIZE]; + va_list args; + + va_start (args, fmt); + n = vsnprintf(aBuffer, sizeof(aBuffer), fmt, args); + if (n > (int)sizeof(aBuffer)) { + SEGGER_RTT_Write(0, aBuffer, sizeof(aBuffer)); + } else if (n > 0) { + SEGGER_RTT_Write(0, aBuffer, n); + } + va_end(args); + return n; +} +#endif + +/********************************************************************* +* +* Global functions +* +********************************************************************** +*/ +/********************************************************************* +* +* puts() +* +* Function description +* print a string using RTT. +*/ +int puts(const char *s) { + return SEGGER_RTT_WriteString(0, s); +} + +/********************************************************************* +* +* __putchar() +* +* Function description +* Write one character via RTT. +*/ +int __putchar(int x, __printf_tag_ptr ctx) { + (void)ctx; + SEGGER_RTT_Write(0, (char *)&x, 1); + return x; +} + +/********************************************************************* +* +* __getchar() +* +* Function description +* Wait for and get a character via RTT. +*/ +int __getchar() { + return SEGGER_RTT_WaitKey(); +} + +#endif +#endif +/****** End Of File *************************************************/ |