forked from xuos/xiuos
Add nuttx to the system framework, which is 10.1.0
This commit is contained in:
TangYiwen123
124
Ubiquitous/Nuttx/apps/examples/module/drivers/Makefile
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124
Ubiquitous/Nuttx/apps/examples/module/drivers/Makefile
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############################################################################
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# apps/examples/module/drivers/Makefile
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#
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# Copyright (C) 2015, 2017-2018 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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include $(APPDIR)/Make.defs
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ALL_SUBDIRS = chardev
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BUILD_SUBDIRS = chardev
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FSIMG_SUBDIR = fsroot
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MODULE_DIR = $(APPDIR)/examples/module
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DRIVER_DIR = $(MODULE_DIR)/drivers
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FSROOT_DIR = $(DRIVER_DIR)/fsroot
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SYMTAB_SRC = $(DRIVER_DIR)/mod_symtab.c
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ifneq ($(CONFIG_BUILD_FLAT),y)
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PASS1_SYMTAB = $(TOPDIR)/pass1/mod_symtab.c
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endif
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ifeq ($(CONFIG_EXAMPLES_MODULE_BUILTINFS),y)
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ifeq ($(CONFIG_EXAMPLES_MODULE_ROMFS),y)
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ROMFS_IMG = $(DRIVER_DIR)/romfs.img
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FSIMG_SRC = $(DRIVER_DIR)/romfs.c
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else ifeq ($(CONFIG_EXAMPLES_MODULE_CROMFS),y)
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NXTOOLDIR = $(TOPDIR)/tools
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GENCROMFSSRC = gencromfs.c
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GENCROMFSEXE = gencromfs$(HOSTEXEEXT)
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FSIMG_SRC = $(DRIVER_DIR)/cromfs.c
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endif
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endif
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define DIR_template
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$(1)_$(2):
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+$(Q) $(MAKE) -C $(1) $(2) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" FSROOT_DIR="$(FSROOT_DIR)" CROSSDEV=$(CROSSDEV)
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endef
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all: $(FSIMG_SRC) $(SYMTAB_SRC) $(PASS1_SYMTAB)
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.PHONY: all clean install
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$(foreach DIR, $(ALL_SUBDIRS), $(eval $(call DIR_template,$(DIR),clean)))
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$(foreach DIR, $(BUILD_SUBDIRS), $(eval $(call DIR_template,$(DIR),install)))
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# Install each program in the fsroot directory
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install: $(foreach DIR, $(BUILD_SUBDIRS), $(DIR)_install)
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ifeq ($(CONFIG_EXAMPLES_MODULE_BUILTINFS),y)
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ifeq ($(CONFIG_EXAMPLES_MODULE_ROMFS),y)
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# Create the romfs.img file from the populated fsroot directory
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$(ROMFS_IMG): install
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$(Q) genromfs -f $@.tmp -d $(FSROOT_DIR) -V "MODULETEST"
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$(Q) $(call TESTANDREPLACEFILE, $@.tmp, $@)
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# Create the romfs.c file from the romfs.img file
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$(FSIMG_SRC): $(ROMFS_IMG)
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$(Q) (cd $(DRIVER_DIR); xxd -i romfs.img | sed -e "s/^unsigned/const unsigned/g" >$@)
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else ifeq ($(CONFIG_EXAMPLES_MODULE_CROMFS),y)
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# Make sure that the NuttX gencromfs tool has been built
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$(NXTOOLDIR)/$(GENCROMFSEXE): $(NXTOOLDIR)/$(GENCROMFSSRC)
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$(Q) $(MAKE) -C $(NXTOOLDIR) -f Makefile.host $(GENCROMFSEXE)
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# Create the cromfs.c file from the populated cromfs directory
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$(FSIMG_SRC): install $(NXTOOLDIR)/$(GENCROMFSEXE)
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$(Q) $(NXTOOLDIR)/$(GENCROMFSEXE) $(FSIMG_DIR) $@.tmp
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$(Q) $(call TESTANDREPLACEFILE, $@.tmp, $@)
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endif
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endif
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# Create the exported symbol table
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$(SYMTAB_SRC): install
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$(Q) $(APPDIR)$(DELIM)tools$(DELIM)mksymtab.sh $(FSROOT_DIR) g_mod >$@.tmp
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$(Q) $(call TESTANDREPLACEFILE, $@.tmp, $@)
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# Copy the symbol table into the kernel pass1/ build directory
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ifneq ($(CONFIG_BUILD_FLAT),y)
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$(PASS1_SYMTAB): $(SYMTAB_SRC)
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$(Q) install -m 0644 $(SYMTAB_SRC) $(PASS1_SYMTAB)
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endif
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# Clean each subdirectory
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clean: $(foreach DIR, $(ALL_SUBDIRS), $(DIR)_clean)
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$(Q) rm -f $(FSIMG_SRC) $(ROMFS_IMG) $(SYMTAB_SRC)
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$(Q) rm -rf $(FSROOT_DIR)
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@@ -0,0 +1,88 @@
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############################################################################
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# examples/module/drivers/chardev/Makefile
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#
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# Copyright (C) 2015-2016 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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include $(APPDIR)/Make.defs
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CMODULEFLAGS += $(KDEFINE)
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ifeq ($(CONFIG_EXAMPLES_MODULE_LIBGCC),y)
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LIBGCC = "${shell $(CC) $(ARCHCPUFLAGS) -print-libgcc-file-name 2>/dev/null}"
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ifneq ($(LIBGCC),)
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LDLIBPATH += -L "${shell dirname $(LIBGCC)}"
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LDLIBS += -lgcc
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endif
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endif
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ifeq ($(CONFIG_EXAMPLES_MODULE_LIBC),y)
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LDMODULEFLAGS += -Bstatic
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LDLIBPATH += -L $(NUTTXLIB)
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endif
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ifeq ($(CONFIG_EXAMPLES_MODULE_LIBC),y)
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ifneq ($(CONFIG_BUILD_FLAT),y)
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LDLIBS += -lkc
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else
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LDLIBS += -lc
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endif
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endif
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BIN = chardev
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SRCS = $(BIN).c
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OBJS = $(SRCS:.c=$(OBJEXT))
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all: $(BIN)
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.PHONY: all clean install
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$(OBJS): %$(OBJEXT): %.c
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@echo "MODULECC: $<"
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$(Q) $(MODULECC) -c $(CMODULEFLAGS) $< -o $@
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$(BIN): $(OBJS)
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@echo "MODULELD: $<"
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$(Q) $(MODULELD) $(LDMODULEFLAGS) $(LDLIBPATH) -o $@ $(ARCHCRT0OBJ) $^ $(LDLIBS)
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$(FSROOT_DIR)/$(BIN): $(BIN)
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$(Q) mkdir -p $(FSROOT_DIR)
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$(Q) install $(BIN) $(FSROOT_DIR)/$(BIN)
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ifneq ($(CONFIG_DEBUG_SYMBOLS),y)
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$(Q) $(MODULESTRIP) $(FSROOT_DIR)/$(BIN)
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endif
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install: $(FSROOT_DIR)/$(BIN)
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clean:
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$(call DELFILE, $(BIN))
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$(call CLEAN)
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161
Ubiquitous/Nuttx/apps/examples/module/drivers/chardev/chardev.c
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161
Ubiquitous/Nuttx/apps/examples/module/drivers/chardev/chardev.c
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@@ -0,0 +1,161 @@
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/****************************************************************************
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* apps/examples/module/drivers/chardev/chardev.c
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 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
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* notice, this list of conditions and the following disclaimer in
|
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdbool.h>
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#include <string.h>
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#include <errno.h>
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#include <syslog.h>
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#include <debug.h>
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#include <nuttx/module.h>
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#include <nuttx/lib/modlib.h>
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#include <nuttx/fs/fs.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifndef MIN
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# define MIN(a,b) ((a) < (b) ? (a) : (b))
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#endif
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/****************************************************************************
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* Private data
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****************************************************************************/
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static const char g_read_string[] = "Hi there, apps/examples/module test\n";
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static ssize_t chardev_read(FAR struct file *filep, FAR char *buffer,
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size_t buflen);
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static ssize_t chardev_write(FAR struct file *filep, FAR const char *buffer,
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size_t buflen);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static const struct file_operations chardev_fops =
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{
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NULL, /* open */
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NULL, /* close */
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chardev_read, /* read */
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chardev_write, /* write */
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NULL, /* seek */
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NULL, /* ioctl */
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NULL /* poll */
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#ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
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, NULL /* unlink */
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#endif
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: chardev_read
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****************************************************************************/
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static ssize_t chardev_read(FAR struct file *filep, FAR char *buffer,
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size_t len)
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{
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size_t rdlen = strlen(g_read_string);
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ssize_t ret = MIN(len, rdlen);
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memcpy(buffer, g_read_string, ret);
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syslog(LOG_INFO, "chardev_read: Returning %d bytes\n", (int)ret);
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lib_dumpbuffer("chardev_read: Returning", (FAR const uint8_t *)buffer, ret);
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return ret;
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}
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/****************************************************************************
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* Name: chardev_write
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****************************************************************************/
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static ssize_t chardev_write(FAR struct file *filep, FAR const char *buffer,
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size_t len)
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{
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syslog(LOG_INFO, "chardev_write: Writing %d bytes\n", (int)len);
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lib_dumpbuffer("chardev_write: Writing", (FAR const uint8_t *)buffer, len);
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return len;
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}
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/****************************************************************************
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* Name: module_uninitialize
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****************************************************************************/
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static int module_uninitialize(FAR void *arg)
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{
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/* TODO: Check if there are any open references to the driver */
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syslog(LOG_INFO, "module_uninitialize: arg=%p\n", arg);
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return unregister_driver("/dev/chardev");
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: module_initialize
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*
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* Description:
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* Register /dev/chardev
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*
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****************************************************************************/
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int module_initialize(FAR struct mod_info_s *modinfo)
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{
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syslog(LOG_INFO, "module_initialize:\n");
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modinfo->uninitializer = module_uninitialize;
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modinfo->arg = NULL;
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modinfo->exports = NULL;
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modinfo->nexports = 0;
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return register_driver("/dev/chardev", &chardev_fops, 0666, NULL);
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}
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