mirror of https://gerrit.osmocom.org/simtrace2
Remove newlib dependency, include own stdio/string/assert
This commit is contained in:
parent
d52523185f
commit
d09829dcc6
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@ -40,25 +40,8 @@ BOARD ?= qmod
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# Defines which are the available memory targets for the SAM3S-EK board.
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MEMORIES ?= flash dfu
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# Trace level used for compilation
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# (can be overriden by adding TRACE_LEVEL=#number to the command-line)
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# TRACE_LEVEL_DEBUG 5
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# TRACE_LEVEL_INFO 4
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# TRACE_LEVEL_WARNING 3
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# TRACE_LEVEL_ERROR 2
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# TRACE_LEVEL_FATAL 1
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# TRACE_LEVEL_NO_TRACE 0
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TRACE_LEVEL ?= 4
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DEBUG_PHONE_SNIFF=0
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#CFLAGS+=-DUSB_NO_DEBUG=1
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# Optimization level, put in comment for debugging
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OPTIMIZATION = -O0
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# Output file basename
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APP = dfu
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APP ?= dfu
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# Output directories
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OUTPUT = $(BOARD)-$(APP)
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@ -78,7 +61,7 @@ AT91LIB_USB_DFU_PATH = $(AT91LIB)/usb/device/dfu
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# Tool suffix when cross-compiling
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CROSS_COMPILE = arm-none-eabi-
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LIBS = -Wl,--start-group -lgcc -lc -Wl,--end-group
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LIBS = -Wl,--start-group -lgcc -Wl,--end-group -nostdlib
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# Compilation tools
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CC = $(CROSS_COMPILE)gcc
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@ -92,6 +75,60 @@ NM = $(CROSS_COMPILE)nm
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TOP=..
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GIT_VERSION=$(shell $(TOP)/git-version-gen $(TOP)/.tarvers)
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#-------------------------------------------------------------------------------
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# Files
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#-------------------------------------------------------------------------------
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# Directories where source files can be found
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USB_PATHS = $(AT91LIB_USB_CORE_PATH) $(AT91LIB_USB_DFU_PATH) $(AT91LIB_USB_COMMON_CORE_PATH)
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VPATH += $(USB_PATHS)
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VPATH += $(AT91LIB)/libchip_sam3s/source/ $(AT91LIB)/libchip_sam3s/cmsis
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VPATH += libboard/common/source libboard/$(BOARD)/source
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VPATH += libcommon/source
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VPATH += libosmocore/source src_board src_simtrace
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VPATH += apps/$(APP)
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# Objects built from C source files
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C_OSMOCORE = $(notdir $(wildcard libosmocore/source/*.c))
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C_LIBCHIP = $(notdir $(wildcard $(AT91LIB)/libchip_sam3s/source/*.c) $(wildcard $(AT91LIB)/libchip_sam3s/cmsis/*.c))
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C_LIBUSB = USBDescriptors.c USBRequests.c USBD.c USBDCallbacks.c USBDDriver.c USBDDriverCallbacks.c
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C_LIBUSB_RT = dfu.c dfu_desc.c dfu_runtime.c
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C_LIBUSB_DFU = dfu.c dfu_desc.c dfu_driver.c
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C_LIBCOMMON = string.c stdio.c fputs.c req_ctx.c ringbuffer.c
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C_BOARD = $(notdir $(wildcard libboard/common/source/*.c))
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C_BOARD += $(notdir $(wildcard libboard/$(BOARD)/source/*.c))
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C_APPLEVEL = $(notdir $(wildcard apps/$(APP)/*.c))
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C_FILES = $(C_OSMOCORE) $(C_LIBCHIP) $(C_LIBUSB) $(C_LIBCOMMON) $(C_BOARD) $(C_APPLEVEL)
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-include apps/$(APP)/Makefile
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C_OBJECTS = $(C_FILES:%.c=%.o)
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# Trace level used for compilation
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# (can be overriden by adding TRACE_LEVEL=#number to the command-line)
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# TRACE_LEVEL_DEBUG 5
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# TRACE_LEVEL_INFO 4
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# TRACE_LEVEL_WARNING 3
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# TRACE_LEVEL_ERROR 2
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# TRACE_LEVEL_FATAL 1
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# TRACE_LEVEL_NO_TRACE 0
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TRACE_LEVEL ?= 4
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DEBUG_PHONE_SNIFF?=0
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#CFLAGS+=-DUSB_NO_DEBUG=1
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# Optimization level, put in comment for debugging
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OPTIMIZATION ?= -O0
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# Flags
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INCLUDES_USB = -I$(AT91LIB)/usb/include -I$(AT91LIB)
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@ -122,9 +159,6 @@ CFLAGS += -Wmissing-noreturn
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CFLAGS += -Wno-unused-but-set-variable -Wno-unused-variable
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CFLAGS += -Wno-suggest-attribute=noreturn
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# To reduce application size use only integer printf function.
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CFLAGS += -Dprintf=iprintf
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# -mlong-calls -Wall
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#CFLAGS += -save-temps -fverbose-asm
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#CFLAGS += -Wa,-a,-ad
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@ -136,40 +170,6 @@ ASFLAGS = -mcpu=cortex-m3 -mthumb -Wall -g $(OPTIMIZATION) $(INCLUDES) -D$(CHIP)
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LDFLAGS = -mcpu=cortex-m3 -mthumb -Wl,--cref -Wl,--check-sections -Wl,--gc-sections -Wl,--entry=ResetException -Wl,--unresolved-symbols=report-all -Wl,--warn-common -Wl,--warn-section-align -Wl,--warn-unresolved-symbols $(LIB)
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#LD_OPTIONAL=-Wl,--print-gc-sections -Wl,--stats
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#-------------------------------------------------------------------------------
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# Files
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#-------------------------------------------------------------------------------
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# Directories where source files can be found
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USB_PATHS = $(AT91LIB_USB_CORE_PATH) $(AT91LIB_USB_DFU_PATH) $(AT91LIB_USB_COMMON_CORE_PATH)
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VPATH += $(USB_PATHS)
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VPATH += $(AT91LIB)/libchip_sam3s/source/ $(AT91LIB)/libchip_sam3s/cmsis
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VPATH += libboard/common/source libboard/$(BOARD)/source
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VPATH += libcommon/source
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VPATH += libosmocore/source src_board src_simtrace
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VPATH += apps/$(APP)
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# Objects built from C source files
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C_OSMOCORE = $(notdir $(wildcard libosmocore/source/*.c))
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C_LIBCHIP = $(notdir $(wildcard $(AT91LIB)/libchip_sam3s/source/*.c) $(wildcard $(AT91LIB)/libchip_sam3s/cmsis/*.c))
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C_LIBUSB = USBDescriptors.c USBRequests.c USBD.c USBDCallbacks.c USBDDriver.c USBDDriverCallbacks.c
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C_LIBUSB_RT = dfu.c dfu_desc.c dfu_runtime.c
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C_LIBUSB_DFU = dfu.c dfu_desc.c dfu_driver.c
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C_LIBCOMMON = syscalls.c req_ctx.c ringbuffer.c
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C_BOARD = $(notdir $(wildcard libboard/common/source/*.c))
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C_BOARD += $(notdir $(wildcard libboard/$(BOARD)/source/*.c))
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C_APPLEVEL = $(notdir $(wildcard apps/$(APP)/*.c))
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C_FILES = $(C_OSMOCORE) $(C_LIBCHIP) $(C_LIBUSB) $(C_LIBCOMMON) $(C_BOARD) $(C_APPLEVEL)
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-include apps/$(APP)/Makefile
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C_OBJECTS = $(C_FILES:%.c=%.o)
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# Append OBJ and BIN directories to output filename
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OUTPUT := $(BIN)/$(OUTPUT)
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@ -1 +1,12 @@
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C_FILES += $(C_LIBUSB_DFU)
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# Trace level used for compilation
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# (can be overriden by adding TRACE_LEVEL=#number to the command-line)
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# TRACE_LEVEL_DEBUG 5
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# TRACE_LEVEL_INFO 4
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# TRACE_LEVEL_WARNING 3
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# TRACE_LEVEL_ERROR 2
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# TRACE_LEVEL_FATAL 1
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# TRACE_LEVEL_NO_TRACE 0
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TRACE_LEVEL ?= 3
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@ -61,7 +61,6 @@ extern uint32_t _ezero;
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extern int main( void ) ;
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/** \endcond */
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void ResetException( void ) ;
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extern void __libc_init_array( void ) ;
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/*------------------------------------------------------------------------------
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* Exception Table
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@ -181,9 +180,6 @@ void ResetException( void )
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SCB->VTOR |= 1 << SCB_VTOR_TBLBASE_Pos ;
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}
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/* Initialize the C library */
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__libc_init_array() ;
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/* Branch to main function */
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main() ;
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@ -0,0 +1,115 @@
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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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 are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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//------------------------------------------------------------------------------
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/// \unit
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///
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/// !Purpose
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///
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/// Definition of the ASSERT() and SANITY_CHECK() macros, which are used for
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/// runtime condition & parameter verifying.
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///
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/// !Usage
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///
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/// -# Use ASSERT() in your code to check the value of function parameters,
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/// return values, etc. *Warning:* the ASSERT() condition must not have
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/// any side-effect; otherwise, the program may not work properly
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/// anymore when assertions are disabled.
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/// -# Use SANITY_CHECK() to perform checks with a default error message
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/// (outputs the file and line number where the error occured). This
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/// reduces memory overhead caused by assertion error strings.
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/// -# Initialize the dbgu to see failed assertions at run-time.
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/// -# Assertions can be entirely disabled by defining the NOASSERT symbol
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/// at compilation time.
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//------------------------------------------------------------------------------
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#ifndef ASSERT_H
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#define ASSERT_H
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//------------------------------------------------------------------------------
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// Headers
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//------------------------------------------------------------------------------
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#include <stdio.h>
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#include "trace.h"
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#define assert ASSERT
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//------------------------------------------------------------------------------
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// Definitions
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//------------------------------------------------------------------------------
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#if defined(NOASSERT)
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#define ASSERT(...)
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#define SANITY_CHECK(...)
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#else
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#if (TRACE_LEVEL == 0)
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/// Checks that the given condition is true,
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/// otherwise stops the program execution.
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/// \param condition Condition to verify.
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#define ASSERT(condition) { \
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if (!(condition)) { \
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while (1); \
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} \
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}
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/// Performs the same duty as the ASSERT() macro
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/// \param condition Condition to verify.
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#define SANITY_CHECK(condition) ASSERT(condition, ...)
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#else
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/// Checks that the given condition is true, otherwise displays an error
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/// message and stops the program execution.
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/// \param condition Condition to verify.
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#define ASSERT(condition) { \
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if (!(condition)) { \
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printf("-F- ASSERT: %s %s:%d\r\n", #condition, __BASE_FILE__, __LINE__); \
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while (1); \
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} \
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}
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#define SANITY_ERROR "Sanity check failed at %s:%d\n\r"
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/// Performs the same duty as the ASSERT() macro, except a default error
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/// message is output if the condition is false.
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/// \param condition Condition to verify.
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#define SANITY_CHECK(condition) ASSERT(condition, SANITY_ERROR, __FILE__, __LINE__)
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#endif
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#endif
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#endif //#ifndef ASSERT_H
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@ -0,0 +1,15 @@
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#include <stdio.h>
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#include "uart_console.h"
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int fputc(int c, FILE *stream)
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{
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UART_PutChar(c);
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return c;
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}
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int fputs(const char *s, FILE *stream)
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{
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while (*s != '\0')
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UART_PutChar(*s++);
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return 0;
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}
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@ -0,0 +1,512 @@
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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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 are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
|
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
|
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
|
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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//------------------------------------------------------------------------------
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/// \unit
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///
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/// !Purpose
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///
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/// Implementation of several stdio.h methods, such as printf(), sprintf() and
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/// so on. This reduces the memory footprint of the binary when using those
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/// methods, compared to the libc implementation.
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///
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/// !Usage
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///
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/// Adds stdio.c to the list of file to compile for the project. This will
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/// automatically replace libc methods by the custom ones.
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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// Headers
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//------------------------------------------------------------------------------
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#include <stdio.h>
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#include <stdarg.h>
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//------------------------------------------------------------------------------
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// Local Definitions
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//------------------------------------------------------------------------------
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// Maximum string size allowed (in bytes).
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#define MAX_STRING_SIZE 100
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//------------------------------------------------------------------------------
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// Global Variables
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//------------------------------------------------------------------------------
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// Required for proper compilation.
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struct _reent r = {0, (FILE *) 0, (FILE *) 1, (FILE *) 0};
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struct _reent *_impure_ptr = &r;
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//------------------------------------------------------------------------------
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// Local Functions
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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// Writes a character inside the given string. Returns 1.
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// \param pStr Storage string.
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// \param c Character to write.
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//------------------------------------------------------------------------------
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signed int PutChar(char *pStr, char c)
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{
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*pStr = c;
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return 1;
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}
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//------------------------------------------------------------------------------
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// Writes a string inside the given string.
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// Returns the size of the written
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// string.
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// \param pStr Storage string.
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// \param pSource Source string.
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//------------------------------------------------------------------------------
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signed int PutString(char *pStr, const char *pSource)
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{
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signed int num = 0;
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while (*pSource != 0) {
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*pStr++ = *pSource++;
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num++;
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}
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return num;
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}
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//------------------------------------------------------------------------------
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// Writes an unsigned int inside the given string, using the provided fill &
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// width parameters.
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// Returns the size in characters of the written integer.
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// \param pStr Storage string.
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// \param fill Fill character.
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// \param width Minimum integer width.
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// \param value Integer value.
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//------------------------------------------------------------------------------
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signed int PutUnsignedInt(
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char *pStr,
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char fill,
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signed int width,
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unsigned int value)
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{
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signed int num = 0;
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// Take current digit into account when calculating width
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width--;
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// Recursively write upper digits
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if ((value / 10) > 0) {
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num = PutUnsignedInt(pStr, fill, width, value / 10);
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pStr += num;
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}
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// Write filler characters
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else {
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while (width > 0) {
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PutChar(pStr, fill);
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pStr++;
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num++;
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width--;
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}
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}
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// Write lower digit
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num += PutChar(pStr, (value % 10) + '0');
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return num;
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}
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//------------------------------------------------------------------------------
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// Writes a signed int inside the given string, using the provided fill & width
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// parameters.
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// Returns the size of the written integer.
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// \param pStr Storage string.
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// \param fill Fill character.
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// \param width Minimum integer width.
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// \param value Signed integer value.
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//------------------------------------------------------------------------------
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signed int PutSignedInt(
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char *pStr,
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char fill,
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signed int width,
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signed int value)
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{
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signed int num = 0;
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unsigned int absolute;
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// Compute absolute value
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if (value < 0) {
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absolute = -value;
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}
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else {
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absolute = value;
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}
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// Take current digit into account when calculating width
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width--;
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// Recursively write upper digits
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if ((absolute / 10) > 0) {
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if (value < 0) {
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||||
num = PutSignedInt(pStr, fill, width, -(absolute / 10));
|
||||
}
|
||||
else {
|
||||
|
||||
num = PutSignedInt(pStr, fill, width, absolute / 10);
|
||||
}
|
||||
pStr += num;
|
||||
}
|
||||
else {
|
||||
|
||||
// Reserve space for sign
|
||||
if (value < 0) {
|
||||
|
||||
width--;
|
||||
}
|
||||
|
||||
// Write filler characters
|
||||
while (width > 0) {
|
||||
|
||||
PutChar(pStr, fill);
|
||||
pStr++;
|
||||
num++;
|
||||
width--;
|
||||
}
|
||||
|
||||
// Write sign
|
||||
if (value < 0) {
|
||||
|
||||
num += PutChar(pStr, '-');
|
||||
pStr++;
|
||||
}
|
||||
}
|
||||
|
||||
// Write lower digit
|
||||
num += PutChar(pStr, (absolute % 10) + '0');
|
||||
|
||||
return num;
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
// Writes an hexadecimal value into a string, using the given fill, width &
|
||||
// capital parameters.
|
||||
// Returns the number of char written.
|
||||
// \param pStr Storage string.
|
||||
// \param fill Fill character.
|
||||
// \param width Minimum integer width.
|
||||
// \param maj Indicates if the letters must be printed in lower- or upper-case.
|
||||
// \param value Hexadecimal value.
|
||||
//------------------------------------------------------------------------------
|
||||
signed int PutHexa(
|
||||
char *pStr,
|
||||
char fill,
|
||||
signed int width,
|
||||
unsigned char maj,
|
||||
unsigned int value)
|
||||
{
|
||||
signed int num = 0;
|
||||
|
||||
// Decrement width
|
||||
width--;
|
||||
|
||||
// Recursively output upper digits
|
||||
if ((value >> 4) > 0) {
|
||||
|
||||
num += PutHexa(pStr, fill, width, maj, value >> 4);
|
||||
pStr += num;
|
||||
}
|
||||
// Write filler chars
|
||||
else {
|
||||
|
||||
while (width > 0) {
|
||||
|
||||
PutChar(pStr, fill);
|
||||
pStr++;
|
||||
num++;
|
||||
width--;
|
||||
}
|
||||
}
|
||||
|
||||
// Write current digit
|
||||
if ((value & 0xF) < 10) {
|
||||
|
||||
PutChar(pStr, (value & 0xF) + '0');
|
||||
}
|
||||
else if (maj) {
|
||||
|
||||
PutChar(pStr, (value & 0xF) - 10 + 'A');
|
||||
}
|
||||
else {
|
||||
|
||||
PutChar(pStr, (value & 0xF) - 10 + 'a');
|
||||
}
|
||||
num++;
|
||||
|
||||
return num;
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
// Global Functions
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Stores the result of a formatted string into another string. Format
|
||||
/// arguments are given in a va_list instance.
|
||||
/// Return the number of characters written.
|
||||
/// \param pStr Destination string.
|
||||
/// \param length Length of Destination string.
|
||||
/// \param pFormat Format string.
|
||||
/// \param ap Argument list.
|
||||
//------------------------------------------------------------------------------
|
||||
signed int vsnprintf(char *pStr, size_t length, const char *pFormat, va_list ap)
|
||||
{
|
||||
char fill;
|
||||
unsigned char width;
|
||||
signed int num = 0;
|
||||
signed int size = 0;
|
||||
|
||||
// Clear the string
|
||||
if (pStr) {
|
||||
|
||||
*pStr = 0;
|
||||
}
|
||||
|
||||
// Phase string
|
||||
while (*pFormat != 0 && size < length) {
|
||||
|
||||
// Normal character
|
||||
if (*pFormat != '%') {
|
||||
|
||||
*pStr++ = *pFormat++;
|
||||
size++;
|
||||
}
|
||||
// Escaped '%'
|
||||
else if (*(pFormat+1) == '%') {
|
||||
|
||||
*pStr++ = '%';
|
||||
pFormat += 2;
|
||||
size++;
|
||||
}
|
||||
// Token delimiter
|
||||
else {
|
||||
|
||||
fill = ' ';
|
||||
width = 0;
|
||||
pFormat++;
|
||||
|
||||
// Parse filler
|
||||
if (*pFormat == '0') {
|
||||
|
||||
fill = '0';
|
||||
pFormat++;
|
||||
}
|
||||
|
||||
// Parse width
|
||||
while ((*pFormat >= '0') && (*pFormat <= '9')) {
|
||||
|
||||
width = (width*10) + *pFormat-'0';
|
||||
pFormat++;
|
||||
}
|
||||
|
||||
// Check if there is enough space
|
||||
if (size + width > length) {
|
||||
|
||||
width = length - size;
|
||||
}
|
||||
|
||||
// Parse type
|
||||
switch (*pFormat) {
|
||||
case 'd':
|
||||
case 'i': num = PutSignedInt(pStr, fill, width, va_arg(ap, signed int)); break;
|
||||
case 'u': num = PutUnsignedInt(pStr, fill, width, va_arg(ap, unsigned int)); break;
|
||||
case 'x': num = PutHexa(pStr, fill, width, 0, va_arg(ap, unsigned int)); break;
|
||||
case 'X': num = PutHexa(pStr, fill, width, 1, va_arg(ap, unsigned int)); break;
|
||||
case 's': num = PutString(pStr, va_arg(ap, char *)); break;
|
||||
case 'c': num = PutChar(pStr, va_arg(ap, unsigned int)); break;
|
||||
default:
|
||||
return EOF;
|
||||
}
|
||||
|
||||
pFormat++;
|
||||
pStr += num;
|
||||
size += num;
|
||||
}
|
||||
}
|
||||
|
||||
// NULL-terminated (final \0 is not counted)
|
||||
if (size < length) {
|
||||
|
||||
*pStr = 0;
|
||||
}
|
||||
else {
|
||||
|
||||
*(--pStr) = 0;
|
||||
size--;
|
||||
}
|
||||
|
||||
return size;
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Stores the result of a formatted string into another string. Format
|
||||
/// arguments are given in a va_list instance.
|
||||
/// Return the number of characters written.
|
||||
/// \param pString Destination string.
|
||||
/// \param length Length of Destination string.
|
||||
/// \param pFormat Format string.
|
||||
/// \param ... Other arguments
|
||||
//------------------------------------------------------------------------------
|
||||
signed int snprintf(char *pString, size_t length, const char *pFormat, ...)
|
||||
{
|
||||
va_list ap;
|
||||
signed int rc;
|
||||
|
||||
va_start(ap, pFormat);
|
||||
rc = vsnprintf(pString, length, pFormat, ap);
|
||||
va_end(ap);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Stores the result of a formatted string into another string. Format
|
||||
/// arguments are given in a va_list instance.
|
||||
/// Return the number of characters written.
|
||||
/// \param pString Destination string.
|
||||
/// \param pFormat Format string.
|
||||
/// \param ap Argument list.
|
||||
//------------------------------------------------------------------------------
|
||||
signed int vsprintf(char *pString, const char *pFormat, va_list ap)
|
||||
{
|
||||
return vsnprintf(pString, MAX_STRING_SIZE, pFormat, ap);
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Outputs a formatted string on the given stream. Format arguments are given
|
||||
/// in a va_list instance.
|
||||
/// \param pStream Output stream.
|
||||
/// \param pFormat Format string
|
||||
/// \param ap Argument list.
|
||||
//------------------------------------------------------------------------------
|
||||
signed int vfprintf(FILE *pStream, const char *pFormat, va_list ap)
|
||||
{
|
||||
char pStr[MAX_STRING_SIZE];
|
||||
char pError[] = "stdio.c: increase MAX_STRING_SIZE\n\r";
|
||||
|
||||
// Write formatted string in buffer
|
||||
if (vsprintf(pStr, pFormat, ap) >= MAX_STRING_SIZE) {
|
||||
|
||||
fputs(pError, stderr);
|
||||
while (1); // Increase MAX_STRING_SIZE
|
||||
}
|
||||
|
||||
// Display string
|
||||
return fputs(pStr, pStream);
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Outputs a formatted string on the DBGU stream. Format arguments are given
|
||||
/// in a va_list instance.
|
||||
/// \param pFormat Format string
|
||||
/// \param ap Argument list.
|
||||
//------------------------------------------------------------------------------
|
||||
signed int vprintf(const char *pFormat, va_list ap)
|
||||
{
|
||||
return vfprintf(stdout, pFormat, ap);
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Outputs a formatted string on the given stream, using a variable number of
|
||||
/// arguments.
|
||||
/// \param pStream Output stream.
|
||||
/// \param pFormat Format string.
|
||||
//------------------------------------------------------------------------------
|
||||
signed int fprintf(FILE *pStream, const char *pFormat, ...)
|
||||
{
|
||||
va_list ap;
|
||||
signed int result;
|
||||
|
||||
// Forward call to vfprintf
|
||||
va_start(ap, pFormat);
|
||||
result = vfprintf(pStream, pFormat, ap);
|
||||
va_end(ap);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Outputs a formatted string on the DBGU stream, using a variable number of
|
||||
/// arguments.
|
||||
/// \param pFormat Format string.
|
||||
//------------------------------------------------------------------------------
|
||||
signed int printf(const char *pFormat, ...)
|
||||
{
|
||||
va_list ap;
|
||||
signed int result;
|
||||
|
||||
// Forward call to vprintf
|
||||
va_start(ap, pFormat);
|
||||
result = vprintf(pFormat, ap);
|
||||
va_end(ap);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Writes a formatted string inside another string.
|
||||
/// \param pStr Storage string.
|
||||
/// \param pFormat Format string.
|
||||
//------------------------------------------------------------------------------
|
||||
signed int sprintf(char *pStr, const char *pFormat, ...)
|
||||
{
|
||||
va_list ap;
|
||||
signed int result;
|
||||
|
||||
// Forward call to vsprintf
|
||||
va_start(ap, pFormat);
|
||||
result = vsprintf(pStr, pFormat, ap);
|
||||
va_end(ap);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Outputs a string on stdout.
|
||||
/// \param pStr String to output.
|
||||
//------------------------------------------------------------------------------
|
||||
signed int puts(const char *pStr)
|
||||
{
|
||||
return fputs(pStr, stdout);
|
||||
}
|
||||
|
|
@ -0,0 +1,239 @@
|
|||
/* ----------------------------------------------------------------------------
|
||||
* ATMEL Microcontroller Software Support
|
||||
* ----------------------------------------------------------------------------
|
||||
* Copyright (c) 2008, Atmel Corporation
|
||||
*
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the disclaimer below.
|
||||
*
|
||||
* Atmel's name may not be used to endorse or promote products derived from
|
||||
* this software without specific prior written permission.
|
||||
*
|
||||
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
|
||||
* ----------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// \unit
|
||||
///
|
||||
/// !Purpose
|
||||
///
|
||||
/// Implementation of several methods defined in string.h, for reducing the
|
||||
/// memory footprint when using them (since the whole libc.o file gets included
|
||||
/// even when using a single method).
|
||||
///
|
||||
/// !Usage
|
||||
///
|
||||
/// Add string.c to the list of files to compile for the project. This will
|
||||
/// automatically replace standard libc methods by the custom ones.
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
// Headers
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
#include <string.h>
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
// Global Functions
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Copies data from a source buffer into a destination buffer. The two buffers
|
||||
/// must NOT overlap. Returns the destination buffer.
|
||||
/// \param pDestination Destination buffer.
|
||||
/// \param pSource Source buffer.
|
||||
/// \param num Number of bytes to copy.
|
||||
//------------------------------------------------------------------------------
|
||||
void * memcpy(void *pDestination, const void *pSource, size_t num)
|
||||
{
|
||||
unsigned char *pByteDestination;
|
||||
unsigned char *pByteSource;
|
||||
unsigned int *pAlignedSource = (unsigned int *) pSource;
|
||||
unsigned int *pAlignedDestination = (unsigned int *) pDestination;
|
||||
|
||||
// If num is more than 4 bytes, and both dest. and source are aligned,
|
||||
// then copy dwords
|
||||
if ((((unsigned int) pAlignedDestination & 0x3) == 0)
|
||||
&& (((unsigned int) pAlignedSource & 0x3) == 0)
|
||||
&& (num >= 4)) {
|
||||
|
||||
while (num >= 4) {
|
||||
|
||||
*pAlignedDestination++ = *pAlignedSource++;
|
||||
num -= 4;
|
||||
}
|
||||
}
|
||||
|
||||
// Copy remaining bytes
|
||||
pByteDestination = (unsigned char *) pAlignedDestination;
|
||||
pByteSource = (unsigned char *) pAlignedSource;
|
||||
while (num--) {
|
||||
|
||||
*pByteDestination++ = *pByteSource++;
|
||||
}
|
||||
|
||||
return pDestination;
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
/// Fills a memory region with the given value. Returns a pointer to the
|
||||
/// memory region.
|
||||
/// \param pBuffer Pointer to the start of the memory region to fill
|
||||
/// \param value Value to fill the region with
|
||||
/// \param num Size to fill in bytes
|
||||
//------------------------------------------------------------------------------
|
||||
void * memset(void *pBuffer, int value, size_t num)
|
||||
{
|
||||
unsigned char *pByteDestination;
|
||||
unsigned int *pAlignedDestination = (unsigned int *) pBuffer;
|
||||
unsigned int alignedValue = (value << 24) | (value << 16) | (value << 8) | value;
|
||||
|
||||
// Set words if possible
|
||||
if ((((unsigned int) pAlignedDestination & 0x3) == 0) && (num >= 4)) {
|
||||
while (num >= 4) {
|
||||
*pAlignedDestination++ = alignedValue;
|
||||
num -= 4;
|
||||
}
|
||||
}
|
||||
// Set remaining bytes
|
||||
pByteDestination = (unsigned char *) pAlignedDestination;
|
||||
while (num--) {
|
||||
*pByteDestination++ = value;
|
||||
}
|
||||
return pBuffer;
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
/// Search a character in the given string.
|
||||
/// Returns a pointer to the character location.
|
||||
/// \param pString Pointer to the start of the string to search.
|
||||
/// \param character The character to find.
|
||||
//-----------------------------------------------------------------------------
|
||||
char * strchr(const char *pString, int character)
|
||||
{
|
||||
char * p = (char *)pString;
|
||||
char c = character & 0xFF;
|
||||
|
||||
while(*p != c) {
|
||||
if (*p == 0) {
|
||||
return 0;
|
||||
}
|
||||
p++;
|
||||
}
|
||||
return p;
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
/// Return the length of a given string
|
||||
/// \param pString Pointer to the start of the string.
|
||||
//-----------------------------------------------------------------------------
|
||||
size_t strlen(const char *pString)
|
||||
{
|
||||
unsigned int length = 0;
|
||||
|
||||
while(*pString++ != 0) {
|
||||
length++;
|
||||
}
|
||||
return length;
|
||||
}
|
||||
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
/// Search a character backword from the end of given string.
|
||||
/// Returns a pointer to the character location.
|
||||
/// \param pString Pointer to the start of the string to search.
|
||||
/// \param character The character to find.
|
||||
//-----------------------------------------------------------------------------
|
||||
char * strrchr(const char *pString, int character)
|
||||
{
|
||||
char *p = 0;
|
||||
|
||||
while(*pString != 0) {
|
||||
if (*pString++ == character) {
|
||||
p = (char*)pString;
|
||||
}
|
||||
}
|
||||
return p;
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
/// Copy from source string to destination string
|
||||
/// Return a pointer to the destination string
|
||||
/// \param pDestination Pointer to the destination string.
|
||||
/// \param pSource Pointer to the source string.
|
||||
//-----------------------------------------------------------------------------
|
||||
char * strcpy(char *pDestination, const char *pSource)
|
||||
{
|
||||
char *pSaveDest = pDestination;
|
||||
|
||||
for(; (*pDestination = *pSource) != 0; ++pSource, ++pDestination);
|
||||
return pSaveDest;
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
/// Compare the first specified bytes of 2 given strings
|
||||
/// Return 0 if equals
|
||||
/// Return >0 if 1st string > 2nd string
|
||||
/// Return <0 if 1st string < 2nd string
|
||||
/// \param pString1 Pointer to the start of the 1st string.
|
||||
/// \param pString2 Pointer to the start of the 2nd string.
|
||||
/// \param count Number of bytes that should be compared.
|
||||
//-----------------------------------------------------------------------------
|
||||
int strncmp(const char *pString1, const char *pString2, size_t count)
|
||||
{
|
||||
int r;
|
||||
|
||||
while(count) {
|
||||
r = *pString1 - *pString2;
|
||||
if (r == 0) {
|
||||
if (*pString1 == 0) {
|
||||
break;
|
||||
}
|
||||
pString1++;
|
||||
pString2++;
|
||||
count--;
|
||||
continue;
|
||||
}
|
||||
return r;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
/// Copy the first number of bytes from source string to destination string
|
||||
/// Return the pointer to the destination string.
|
||||
/// \param pDestination Pointer to the start of destination string.
|
||||
/// \param pSource Pointer to the start of the source string.
|
||||
/// \param count Number of bytes that should be copied.
|
||||
//-----------------------------------------------------------------------------
|
||||
char * strncpy(char *pDestination, const char *pSource, size_t count)
|
||||
{
|
||||
char *pSaveDest = pDestination;
|
||||
|
||||
while (count) {
|
||||
*pDestination = *pSource;
|
||||
if (*pSource == 0) {
|
||||
break;
|
||||
}
|
||||
pDestination++;
|
||||
pSource++;
|
||||
count--;
|
||||
}
|
||||
return pSaveDest;
|
||||
}
|
||||
|
|
@ -1,138 +0,0 @@
|
|||
/* ----------------------------------------------------------------------------
|
||||
* ATMEL Microcontroller Software Support
|
||||
* ----------------------------------------------------------------------------
|
||||
* Copyright (c) 2009, Atmel Corporation
|
||||
*
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the disclaimer below.
|
||||
*
|
||||
* Atmel's name may not be used to endorse or promote products derived from
|
||||
* this software without specific prior written permission.
|
||||
*
|
||||
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
|
||||
* ----------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/**
|
||||
* \file syscalls.c
|
||||
*
|
||||
* Implementation of newlib syscall.
|
||||
*
|
||||
*/
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Headers
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
|
||||
#include "board.h"
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdarg.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Exported variables
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
#undef errno
|
||||
extern int errno ;
|
||||
extern int _end ;
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Exported functions
|
||||
*----------------------------------------------------------------------------*/
|
||||
extern void _exit( int status ) ;
|
||||
extern void _kill( int pid, int sig ) ;
|
||||
extern int _getpid ( void ) ;
|
||||
|
||||
extern caddr_t _sbrk ( int incr )
|
||||
{
|
||||
static unsigned char *heap = NULL ;
|
||||
unsigned char *prev_heap ;
|
||||
|
||||
if ( heap == NULL )
|
||||
{
|
||||
heap = (unsigned char *)&_end ;
|
||||
}
|
||||
prev_heap = heap;
|
||||
|
||||
heap += incr ;
|
||||
|
||||
return (caddr_t) prev_heap ;
|
||||
}
|
||||
|
||||
extern int link( char *old, char *new )
|
||||
{
|
||||
return -1 ;
|
||||
}
|
||||
|
||||
extern int _close( int file )
|
||||
{
|
||||
return -1 ;
|
||||
}
|
||||
|
||||
extern int _fstat( int file, struct stat *st )
|
||||
{
|
||||
st->st_mode = S_IFCHR ;
|
||||
|
||||
return 0 ;
|
||||
}
|
||||
|
||||
extern int _isatty( int file )
|
||||
{
|
||||
return 1 ;
|
||||
}
|
||||
|
||||
extern int _lseek( int file, int ptr, int dir )
|
||||
{
|
||||
return 0 ;
|
||||
}
|
||||
|
||||
extern int _read(int file, char *ptr, int len)
|
||||
{
|
||||
return 0 ;
|
||||
}
|
||||
|
||||
extern int _write( int file, char *ptr, int len )
|
||||
{
|
||||
int iIndex ;
|
||||
|
||||
for ( iIndex=0 ; iIndex < len ; iIndex++, ptr++ )
|
||||
{
|
||||
UART_PutChar( *ptr ) ;
|
||||
}
|
||||
return iIndex ;
|
||||
}
|
||||
|
||||
extern void _exit( int status )
|
||||
{
|
||||
printf( "Exiting with status %d.\n", status ) ;
|
||||
|
||||
for ( ; ; ) ;
|
||||
}
|
||||
|
||||
extern void _kill( int pid, int sig )
|
||||
{
|
||||
return ;
|
||||
}
|
||||
|
||||
extern int _getpid ( void )
|
||||
{
|
||||
return -1 ;
|
||||
}
|
Loading…
Reference in New Issue