diff --git a/examples/serialrx/.gitignore b/examples/serialrx/.gitignore new file mode 100644 index 000000000..fa1ec7579 --- /dev/null +++ b/examples/serialrx/.gitignore @@ -0,0 +1,11 @@ +/Make.dep +/.depend +/.built +/*.asm +/*.obj +/*.rel +/*.lst +/*.sym +/*.adb +/*.lib +/*.src diff --git a/examples/serialrx/Kconfig b/examples/serialrx/Kconfig new file mode 100644 index 000000000..c88591b14 --- /dev/null +++ b/examples/serialrx/Kconfig @@ -0,0 +1,13 @@ +# +# For a description of the syntax of this configuration file, +# see misc/tools/kconfig-language.txt. +# + +config EXAMPLES_SERIALRX + bool "Serial Rx example" + default n + ---help--- + Enable the serial rx example + +if EXAMPLES_SERIALRX +endif diff --git a/examples/serialrx/Makefile b/examples/serialrx/Makefile new file mode 100644 index 000000000..66617d456 --- /dev/null +++ b/examples/serialrx/Makefile @@ -0,0 +1,110 @@ +############################################################################ +# apps/examples/serialrx/Makefile +# +# Copyright (C) 2014 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# 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. Neither the name NuttX 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 THE +# COPYRIGHT OWNER OR CONTRIBUTORS 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. +# +############################################################################ + +-include $(TOPDIR)/.config +-include $(TOPDIR)/Make.defs +include $(APPDIR)/Make.defs + +# For testing: Blast canned characters at a designated serial port + +ASRCS = +CSRCS = serialrx_main.c + +AOBJS = $(ASRCS:.S=$(OBJEXT)) +COBJS = $(CSRCS:.c=$(OBJEXT)) + +SRCS = $(ASRCS) $(CSRCS) +OBJS = $(AOBJS) $(COBJS) + +ifeq ($(CONFIG_WINDOWS_NATIVE),y) + BIN = ..\..\libapps$(LIBEXT) +else +ifeq ($(WINTOOL),y) + BIN = ..\\..\\libapps$(LIBEXT) +else + BIN = ../../libapps$(LIBEXT) +endif +endif + +ROOTDEPPATH = --dep-path . + +# Built-in application info + +APPNAME = serialrx +PRIORITY = SCHED_PRIORITY_DEFAULT +STACKSIZE = 2048 + +# Common build + +VPATH = + +all: .built +.PHONY: clean depend distclean + +$(AOBJS): %$(OBJEXT): %.S + $(call ASSEMBLE, $<, $@) + +$(COBJS): %$(OBJEXT): %.c + $(call COMPILE, $<, $@) + +.built: $(OBJS) + $(call ARCHIVE, $(BIN), $(OBJS)) + @touch .built + +ifeq ($(CONFIG_NSH_BUILTIN_APPS),y) +$(BUILTIN_REGISTRY)$(DELIM)$(APPNAME)_main.bdat: $(DEPCONFIG) Makefile + $(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main) + +context: $(BUILTIN_REGISTRY)$(DELIM)$(APPNAME)_main.bdat +else +context: +endif + +.depend: Makefile $(SRCS) + @$(MKDEP) $(ROOTDEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >Make.dep + @touch $@ + +depend: .depend + +clean: + $(call DELFILE, .built) + $(call CLEAN) + +distclean: clean + $(call DELFILE, Make.dep) + $(call DELFILE, .depend) + +-include Make.dep + diff --git a/examples/serialrx/send.py b/examples/serialrx/send.py new file mode 100644 index 000000000..54f07b621 --- /dev/null +++ b/examples/serialrx/send.py @@ -0,0 +1,21 @@ + +import sys +from time import sleep + +f = open(sys.argv[1], "w") + +s = "" +while len(s) < 960: + s += "1" + +print("Sending to %s" % sys.argv[1]) +while(True): + #f.write(s); + #f.flush(); + for i in range(len(s)): + f.write(s[i]) + f.flush() + #sleep(0.050) + sys.stdout.write(".") + sys.stdout.flush() + diff --git a/examples/serialrx/serialrx_main.c b/examples/serialrx/serialrx_main.c new file mode 100644 index 000000000..bd4207695 --- /dev/null +++ b/examples/serialrx/serialrx_main.c @@ -0,0 +1,95 @@ +/**************************************************************************** + * examples/serialrx/serialrx_main.c + * + * Copyright (C) 2014 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. Neither the name NuttX 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 THE + * COPYRIGHT OWNER OR CONTRIBUTORS 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include +#include +#include + +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * serloop_main + ****************************************************************************/ + +//#define BUFFERED_IO +#define CHUNK 960 +static int count = 0; +int serialrx_main(int argc, char *argv[]) +{ + FAR char *buf = (char *)malloc(CHUNK*3); + FAR FILE *f; + printf("Reading from %s\n", argv[1]); + f = fopen(argv[1], "r"); + + while(1) + { +#ifdef BUFFERED_IO + int ret = fread(&buf[CHUNK], 1, CHUNK, f); +#else + int ret = read(f->fs_fd, buf, CHUNK); +#endif + count += ret; + if (count >= CHUNK) + { + printf("-"); + count -= CHUNK; + } + } + + free(buf); + + return 0; +} +