mbed-dev_spine - mbed library sources. Supersedes mbed-src.

Users » benkatz » Code » mbed-dev_spine

Ben Katz / mbed-dev_spine

mbed library sources. Supersedes mbed-src.

Dependents: SPIne CH_Communicatuin_Test CH_Communicatuin_Test2 MCP_SPIne ... more

Fork of mbed-dev-f303 by Ben Katz

platform/Stream.cpp@179:97f825502e2a, 2018-05-02 (annotated)

Committer:: benkatz
Date:: Wed May 02 18:08:16 2018 +0000
Revision:: 179:97f825502e2a
Parent:: 167:e84263d55307

Who changed what in which revision?

User	Revision	Line number	New contents of line
AnnaBridge	167:e84263d55307	1	/* mbed Microcontroller Library
AnnaBridge	167:e84263d55307	2	* Copyright (c) 2006-2013 ARM Limited
AnnaBridge	167:e84263d55307	3	*
AnnaBridge	167:e84263d55307	4	* Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge	167:e84263d55307	5	* you may not use this file except in compliance with the License.
AnnaBridge	167:e84263d55307	6	* You may obtain a copy of the License at
AnnaBridge	167:e84263d55307	7	*
AnnaBridge	167:e84263d55307	8	* http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge	167:e84263d55307	9	*
AnnaBridge	167:e84263d55307	10	* Unless required by applicable law or agreed to in writing, software
AnnaBridge	167:e84263d55307	11	* distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge	167:e84263d55307	12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge	167:e84263d55307	13	* See the License for the specific language governing permissions and
AnnaBridge	167:e84263d55307	14	* limitations under the License.
AnnaBridge	167:e84263d55307	15	*/
AnnaBridge	167:e84263d55307	16	#include "platform/Stream.h"
AnnaBridge	167:e84263d55307	17	#include "platform/mbed_error.h"
AnnaBridge	167:e84263d55307	18	#include <errno.h>
AnnaBridge	167:e84263d55307	19
AnnaBridge	167:e84263d55307	20	namespace mbed {
AnnaBridge	167:e84263d55307	21
AnnaBridge	167:e84263d55307	22	Stream::Stream(const char *name) : FileLike(name), _file(NULL) {
AnnaBridge	167:e84263d55307	23	// No lock needed in constructor
AnnaBridge	167:e84263d55307	24	/* open ourselves */
AnnaBridge	167:e84263d55307	25	_file = fdopen(this, "w+");
AnnaBridge	167:e84263d55307	26	// fdopen() will make us buffered because Stream::isatty()
AnnaBridge	167:e84263d55307	27	// wrongly returns zero which is not being changed for
AnnaBridge	167:e84263d55307	28	// backward compatibility
AnnaBridge	167:e84263d55307	29	if (_file) {
AnnaBridge	167:e84263d55307	30	mbed_set_unbuffered_stream(_file);
AnnaBridge	167:e84263d55307	31	} else {
AnnaBridge	167:e84263d55307	32	error("Stream obj failure, errno=%d\r\n", errno);
AnnaBridge	167:e84263d55307	33	}
AnnaBridge	167:e84263d55307	34	}
AnnaBridge	167:e84263d55307	35
AnnaBridge	167:e84263d55307	36	Stream::~Stream() {
AnnaBridge	167:e84263d55307	37	// No lock can be used in destructor
AnnaBridge	167:e84263d55307	38	fclose(_file);
AnnaBridge	167:e84263d55307	39	}
AnnaBridge	167:e84263d55307	40
AnnaBridge	167:e84263d55307	41	int Stream::putc(int c) {
AnnaBridge	167:e84263d55307	42	lock();
AnnaBridge	167:e84263d55307	43	fflush(_file);
AnnaBridge	167:e84263d55307	44	int ret = std::fputc(c, _file);
AnnaBridge	167:e84263d55307	45	unlock();
AnnaBridge	167:e84263d55307	46	return ret;
AnnaBridge	167:e84263d55307	47	}
AnnaBridge	167:e84263d55307	48	int Stream::puts(const char *s) {
AnnaBridge	167:e84263d55307	49	lock();
AnnaBridge	167:e84263d55307	50	fflush(_file);
AnnaBridge	167:e84263d55307	51	int ret = std::fputs(s, _file);
AnnaBridge	167:e84263d55307	52	unlock();
AnnaBridge	167:e84263d55307	53	return ret;
AnnaBridge	167:e84263d55307	54	}
AnnaBridge	167:e84263d55307	55	int Stream::getc() {
AnnaBridge	167:e84263d55307	56	lock();
AnnaBridge	167:e84263d55307	57	fflush(_file);
AnnaBridge	167:e84263d55307	58	int ret = mbed_getc(_file);
AnnaBridge	167:e84263d55307	59	unlock();
AnnaBridge	167:e84263d55307	60	return ret;
AnnaBridge	167:e84263d55307	61	}
AnnaBridge	167:e84263d55307	62	char* Stream::gets(char *s, int size) {
AnnaBridge	167:e84263d55307	63	lock();
AnnaBridge	167:e84263d55307	64	fflush(_file);
AnnaBridge	167:e84263d55307	65	char *ret = mbed_gets(s,size,_file);
AnnaBridge	167:e84263d55307	66	unlock();
AnnaBridge	167:e84263d55307	67	return ret;
AnnaBridge	167:e84263d55307	68	}
AnnaBridge	167:e84263d55307	69
AnnaBridge	167:e84263d55307	70	int Stream::close() {
AnnaBridge	167:e84263d55307	71	return 0;
AnnaBridge	167:e84263d55307	72	}
AnnaBridge	167:e84263d55307	73
AnnaBridge	167:e84263d55307	74	ssize_t Stream::write(const void* buffer, size_t length) {
AnnaBridge	167:e84263d55307	75	const char* ptr = (const char*)buffer;
AnnaBridge	167:e84263d55307	76	const char* end = ptr + length;
AnnaBridge	167:e84263d55307	77
AnnaBridge	167:e84263d55307	78	lock();
AnnaBridge	167:e84263d55307	79	while (ptr != end) {
AnnaBridge	167:e84263d55307	80	if (_putc(*ptr++) == EOF) {
AnnaBridge	167:e84263d55307	81	break;
AnnaBridge	167:e84263d55307	82	}
AnnaBridge	167:e84263d55307	83	}
AnnaBridge	167:e84263d55307	84	unlock();
AnnaBridge	167:e84263d55307	85
AnnaBridge	167:e84263d55307	86	return ptr - (const char*)buffer;
AnnaBridge	167:e84263d55307	87	}
AnnaBridge	167:e84263d55307	88
AnnaBridge	167:e84263d55307	89	ssize_t Stream::read(void* buffer, size_t length) {
AnnaBridge	167:e84263d55307	90	char* ptr = (char*)buffer;
AnnaBridge	167:e84263d55307	91	char* end = ptr + length;
AnnaBridge	167:e84263d55307	92
AnnaBridge	167:e84263d55307	93	lock();
AnnaBridge	167:e84263d55307	94	while (ptr != end) {
AnnaBridge	167:e84263d55307	95	int c = _getc();
AnnaBridge	167:e84263d55307	96	if (c==EOF) break;
AnnaBridge	167:e84263d55307	97	*ptr++ = c;
AnnaBridge	167:e84263d55307	98	}
AnnaBridge	167:e84263d55307	99	unlock();
AnnaBridge	167:e84263d55307	100
AnnaBridge	167:e84263d55307	101	return ptr - (const char*)buffer;
AnnaBridge	167:e84263d55307	102	}
AnnaBridge	167:e84263d55307	103
AnnaBridge	167:e84263d55307	104	off_t Stream::seek(off_t offset, int whence) {
AnnaBridge	167:e84263d55307	105	return 0;
AnnaBridge	167:e84263d55307	106	}
AnnaBridge	167:e84263d55307	107
AnnaBridge	167:e84263d55307	108	off_t Stream::tell() {
AnnaBridge	167:e84263d55307	109	return 0;
AnnaBridge	167:e84263d55307	110	}
AnnaBridge	167:e84263d55307	111
AnnaBridge	167:e84263d55307	112	void Stream::rewind() {
AnnaBridge	167:e84263d55307	113	}
AnnaBridge	167:e84263d55307	114
AnnaBridge	167:e84263d55307	115	int Stream::isatty() {
AnnaBridge	167:e84263d55307	116	return 0;
AnnaBridge	167:e84263d55307	117	}
AnnaBridge	167:e84263d55307	118
AnnaBridge	167:e84263d55307	119	int Stream::sync() {
AnnaBridge	167:e84263d55307	120	return 0;
AnnaBridge	167:e84263d55307	121	}
AnnaBridge	167:e84263d55307	122
AnnaBridge	167:e84263d55307	123	off_t Stream::size() {
AnnaBridge	167:e84263d55307	124	return 0;
AnnaBridge	167:e84263d55307	125	}
AnnaBridge	167:e84263d55307	126
AnnaBridge	167:e84263d55307	127	int Stream::printf(const char* format, ...) {
AnnaBridge	167:e84263d55307	128	lock();
AnnaBridge	167:e84263d55307	129	std::va_list arg;
AnnaBridge	167:e84263d55307	130	va_start(arg, format);
AnnaBridge	167:e84263d55307	131	fflush(_file);
AnnaBridge	167:e84263d55307	132	int r = vfprintf(_file, format, arg);
AnnaBridge	167:e84263d55307	133	va_end(arg);
AnnaBridge	167:e84263d55307	134	unlock();
AnnaBridge	167:e84263d55307	135	return r;
AnnaBridge	167:e84263d55307	136	}
AnnaBridge	167:e84263d55307	137
AnnaBridge	167:e84263d55307	138	int Stream::scanf(const char* format, ...) {
AnnaBridge	167:e84263d55307	139	lock();
AnnaBridge	167:e84263d55307	140	std::va_list arg;
AnnaBridge	167:e84263d55307	141	va_start(arg, format);
AnnaBridge	167:e84263d55307	142	fflush(_file);
AnnaBridge	167:e84263d55307	143	int r = vfscanf(_file, format, arg);
AnnaBridge	167:e84263d55307	144	va_end(arg);
AnnaBridge	167:e84263d55307	145	unlock();
AnnaBridge	167:e84263d55307	146	return r;
AnnaBridge	167:e84263d55307	147	}
AnnaBridge	167:e84263d55307	148
AnnaBridge	167:e84263d55307	149	int Stream::vprintf(const char* format, std::va_list args) {
AnnaBridge	167:e84263d55307	150	lock();
AnnaBridge	167:e84263d55307	151	fflush(_file);
AnnaBridge	167:e84263d55307	152	int r = vfprintf(_file, format, args);
AnnaBridge	167:e84263d55307	153	unlock();
AnnaBridge	167:e84263d55307	154	return r;
AnnaBridge	167:e84263d55307	155	}
AnnaBridge	167:e84263d55307	156
AnnaBridge	167:e84263d55307	157	int Stream::vscanf(const char* format, std::va_list args) {
AnnaBridge	167:e84263d55307	158	lock();
AnnaBridge	167:e84263d55307	159	fflush(_file);
AnnaBridge	167:e84263d55307	160	int r = vfscanf(_file, format, args);
AnnaBridge	167:e84263d55307	161	unlock();
AnnaBridge	167:e84263d55307	162	return r;
AnnaBridge	167:e84263d55307	163	}
AnnaBridge	167:e84263d55307	164
AnnaBridge	167:e84263d55307	165	} // namespace mbed

Repository toolbox

Export to desktop IDE

Repository details

Type:	Library
Created:	02 May 2018
Imports:	22
Forks:	0
Commits:	180
Dependents:	11
Dependencies:	0
Followers:	9

This repository is Public (Unlisted).

platform/Stream.cpp@179:97f825502e2a, 2018-05-02 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning