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我正在尝试使用 esp-gdbstub调试为控制 mod-wifi-esp8266-dev 编写的代码。这是我原来的 makefile:
#You can build this example in three ways:
# 'separate' - Separate espfs and binaries, no OTA upgrade
# 'combined' - Combined firmware blob, no OTA upgrade
# 'ota' - Combined firmware blob with OTA upgrades.
#Please do a 'make clean' after changing this.
OUTPUT_TYPE=separate
#OUTPUT_TYPE=combined
#OUTPUT_TYPE=ota
#SPI flash size, in K
ESP_SPI_FLASH_SIZE_K=1024
#0: QIO, 1: QOUT, 2: DIO, 3: DOUT
ESP_FLASH_MODE=0
#0: 40MHz, 1: 26MHz, 2: 20MHz, 15: 80MHz
ESP_FLASH_FREQ_DIV=0
ifeq ("$(OUTPUT_TYPE)","separate")
#In case of separate ESPFS and binaries, set the pos and length of the ESPFS here.
ESPFS_POS = 0x18000
ESPFS_SIZE = 0x28000
endif
# Output directors to store intermediate compiled files
# relative to the project directory
BUILD_BASE = build
FW_BASE = firmware
# Base directory for the compiler. Needs a / at the end; if not set it'll use the tools that are in
# the PATH.
XTENSA_TOOLS_ROOT ?= /Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/bin/
# base directory of the ESP8266 SDK package, absolute
#SDK_BASE ?= /Volumes/case-sensitive/esp-open-sdk/sdk
SDK_BASE = /Users/halasz/Projects/Iskola/Mgr/Lienka/esp_iot_sdk_v1.4.0
# Opensdk patches stdint.h when compiled with an internal SDK. If you run into compile problems pertaining to
# redefinition of int types, try setting this to 'yes'.
USE_OPENSDK?=no
#Esptool.py path and port
ESPTOOL ?= /Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/bin/esptool.py
ESPPORT ?= /dev/cu.usbserial
#ESPPORT ?= /dev/cu.SLAB_USBtoUART
#ESPDELAY indicates seconds to wait between flashing the two binary images
ESPDELAY ?= 3
ESPBAUD ?= 460800
#Appgen path and name
APPGEN ?= $(SDK_BASE)/tools/gen_appbin.py
# name for the target project
TARGET = httpd
# which modules (subdirectories) of the project to include in compiling
MODULES = mdns driver user
EXTRA_INCDIR = include libesphttpd/include library
# libraries used in this project, mainly provided by the SDK
LIBS = c gcc hal phy pp net80211 wpa main lwip crypto
#Add in esphttpd lib
LIBS += esphttpd
# compiler flags using during compilation of source files
CFLAGS = -Os -ggdb -std=gnu99 -Wpointer-arith -Wundef -Wall -Wl,-EL -fno-inline-functions \
-nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DICACHE_FLASH \
-Wno-address
# linker flags used to generate the main object file
LDFLAGS = -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static
# various paths from the SDK used in this project
SDK_LIBDIR = lib
SDK_LDDIR = ld
SDK_INCDIR = include include/json
# select which tools to use as compiler, librarian and linker
CC := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-gcc
AR := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-ar
LD := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-gcc
OBJCOPY := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-objcopy
#Additional (maybe generated) ld scripts to link in
EXTRA_LD_SCRIPTS:=
####
#### no user configurable options below here
####
SRC_DIR := $(MODULES)
BUILD_DIR := $(addprefix $(BUILD_BASE)/,$(MODULES))
SDK_LIBDIR := $(addprefix $(SDK_BASE)/,$(SDK_LIBDIR))
SDK_INCDIR := $(addprefix -I$(SDK_BASE)/,$(SDK_INCDIR))
SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c))
ASMSRC = $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.S))
OBJ = $(patsubst %.c,$(BUILD_BASE)/%.o,$(SRC))
OBJ += $(patsubst %.S,$(BUILD_BASE)/%.o,$(ASMSRC))
APP_AR := $(addprefix $(BUILD_BASE)/,$(TARGET)_app.a)
V ?= $(VERBOSE)
ifeq ("$(V)","1")
Q :=
vecho := @true
else
Q := @
vecho := @echo
endif
ifeq ("$(USE_OPENSDK)","yes")
CFLAGS += -DUSE_OPENSDK
else
CFLAGS += -D_STDINT_H
endif
ifeq ("$(GZIP_COMPRESSION)","yes")
CFLAGS += -DGZIP_COMPRESSION
endif
ifeq ("$(USE_HEATSHRINK)","yes")
CFLAGS += -DESPFS_HEATSHRINK
endif
ifeq ("$(ESPFS_POS)","")
#No hardcoded espfs position: link it in with the binaries.
LIBS += webpages-espfs
else
#Hardcoded espfs location: Pass espfs position to rest of code
CFLAGS += -DESPFS_POS=$(ESPFS_POS) -DESPFS_SIZE=$(ESPFS_SIZE)
endif
ifeq ("$(OUTPUT_TYPE)","ota")
CFLAGS += -DOTA_FLASH_SIZE_K=$(ESP_SPI_FLASH_SIZE_K)
endif
#Define default target. If not defined here the one in the included Makefile is used as the default one.
default-tgt: all
define maplookup
$(patsubst $(strip $(1)):%,%,$(filter $(strip $(1)):%,$(2)))
endef
#Include options and target specific to the OUTPUT_TYPE
include Makefile.$(OUTPUT_TYPE)
#Add all prefixes to paths
LIBS := $(addprefix -l,$(LIBS))
ifeq ("$(LD_SCRIPT_USR1)", "")
LD_SCRIPT := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT))
else
LD_SCRIPT_USR1 := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT_USR1))
LD_SCRIPT_USR2 := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT_USR2))
endif
INCDIR := $(addprefix -I,$(SRC_DIR))
EXTRA_INCDIR := $(addprefix -I,$(EXTRA_INCDIR))
MODULE_INCDIR := $(addsuffix /include,$(INCDIR))
ESP_FLASH_SIZE_IX=$(call maplookup,$(ESP_SPI_FLASH_SIZE_K),512:0 1024:2 2048:5 4096:6)
ESPTOOL_FREQ=$(call maplookup,$(ESP_FLASH_FREQ_DIV),0:40m 1:26m 2:20m 0xf:80m 15:80m)
ESPTOOL_MODE=$(call maplookup,$(ESP_FLASH_MODE),0:qio 1:qout 2:dio 3:dout)
ESPTOOL_SIZE=$(call maplookup,$(ESP_SPI_FLASH_SIZE_K),512:4m 256:2m 1024:8m 2048:16m 4096:322m-c1)
ESPTOOL_OPTS=--port $(ESPPORT) --baud $(ESPBAUD)
ESPTOOL_FLASHDEF=--flash_freq $(ESPTOOL_FREQ) --flash_mode $(ESPTOOL_MODE) --flash_size $(ESPTOOL_SIZE)
vpath %.c $(SRC_DIR)
vpath %.S $(SRC_DIR)
define compile-objects
$1/%.o: %.c
$(vecho) "CC $$<"
$(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@
$1/%.o: %.S
$(vecho) "CC $$<"
$(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@
endef
.PHONY: all checkdirs clean libesphttpd default-tgt
all: checkdirs $(TARGET_OUT) $(FW_BASE)
libesphttpd/Makefile:
$(Q) echo "No libesphttpd submodule found. Using git to fetch it..."
$(Q) git submodule init
$(Q) git submodule update
libesphttpd: libesphttpd/Makefile
$(Q) make -C libesphttpd USE_OPENSDK=$(USE_OPENSDK)
$(APP_AR): libesphttpd $(OBJ)
$(vecho) "AR $@"
$(Q) $(AR) cru $@ $(OBJ)
checkdirs: $(BUILD_DIR)
$(BUILD_DIR):
$(Q) mkdir -p $@
clean:
$(Q) make -C libesphttpd clean
$(Q) rm -f $(APP_AR)
$(Q) rm -f $(TARGET_OUT)
$(Q) find $(BUILD_BASE) -type f | xargs rm -f
$(Q) rm -rf $(FW_BASE)
$(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir))))
我尝试按照使用部分的说明进行操作:
gdbstub
到SUBDIRS
定义和 gdbstub/libgdbstub.a
到COMPONENTS_eagle.app.v6
定义。另外,您可能想添加 -ggdb
到您的编译器标志( TARGET_LDFLAGS
),如果您正在调试,请将任何优化标志(-Os、-O2 等)更改为 -Og
。最后,确保您的 Makefile 也编译 .S 文件。 问题来了。我没有定义 SUBDIRS,但我找到了行
MODULES = mdns driver user
所以也许最后我应该像这样添加 gdbstub 吗?
MODULES = mdns driver user gdbstub
我还没有找到类似 COMPONENTS_eagle.app.v6
的内容,所以我不知道该放在哪里gdbstub/libgdbstub.a
。 -ggdb
我曾经在CFLAGS
(不是 TARGET_LDFLAGS
),并且还有 -Os
在CFLAGS
所以将其更改为 -Og
。
gdbstub-cfg.h:
#ifndef GDBSTUB_CFG_H
#define GDBSTUB_CFG_H
/*
Enable this define if you're using the RTOS SDK. It will use a custom exception handler instead of the HAL
and do some other magic to make everything work and compile under FreeRTOS.
*/
#ifndef GDBSTUB_FREERTOS
#define GDBSTUB_FREERTOS 1
#endif
/*
Enable this to make the exception and debugging handlers switch to a private stack. This will use
up 1K of RAM, but may be useful if you're debugging stack or stack pointer corruption problems. It's
normally disabled because not many situations need it. If for some reason the GDB communication
stops when you run into an error in your code, try enabling this.
*/
#ifndef GDBSTUB_USE_OWN_STACK
#define GDBSTUB_USE_OWN_STACK 0
#endif
/*
If this is defined, gdbstub will break the program when you press Ctrl-C in gdb. it does this by
hooking the UART interrupt. Unfortunately, this means receiving stuff over the serial port won't
work for your program anymore. This will fail if your program sets an UART interrupt handler after
the gdbstub_init call.
*/
#ifndef GDBSTUB_CTRLC_BREAK
#define GDBSTUB_CTRLC_BREAK 1
#endif
/*
Enabling this will redirect console output to GDB. This basically means that printf/os_printf output
will show up in your gdb session, which is useful if you use gdb to do stuff. It also means that if
you use a normal terminal, you can't read the printfs anymore.
*/
#ifndef GDBSTUB_REDIRECT_CONSOLE_OUTPUT
#define GDBSTUB_REDIRECT_CONSOLE_OUTPUT 1
#endif
/*
Enable this if you want the GDB stub to wait for you to attach GDB before running. It does this by
breaking in the init routine; use the gdb 'c' command (continue) to start the program.
*/
#ifndef GDBSTUB_BREAK_ON_INIT
#define GDBSTUB_BREAK_ON_INIT 1
#endif
/*
Function attributes for function types.
Gdbstub functions are placed in flash or IRAM using attributes, as defined here. The gdbinit function
(and related) can always be in flash, because it's called in the normal code flow. The rest of the
gdbstub functions can be in flash too, but only if there's no chance of them being called when the
flash somehow is disabled (eg during SPI operations or flash write/erase operations). If the routines
are called when the flash is disabled (eg due to a Ctrl-C at the wrong time), the ESP8266 will most
likely crash.
*/
#define ATTR_GDBINIT ICACHE_FLASH_ATTR
#ifndef ATTR_GDBFN
#define ATTR_GDBFN
#endif
#endif
#include <../gdbstub/gdbstub.h>
并调用gdbstub_init();
user_main 中的某处。 (完成)编译程序时,它显示了很多错误:
AR libesphttpd.a
wifi/wifi.tpl (55%, heatshrink)
wifi/.DS_Store (15%, heatshrink)
wifi/140medley.min.js (74%, heatshrink)
wifi/connecting.html (61%, heatshrink)
wifi/icons.png (100%, none)
wifi/style.css (73%, heatshrink)
index.tpl (68%, heatshrink)
websocket/index.html (52%, heatshrink)
cats/.DS_Store (15%, heatshrink)
.DS_Store (16%, heatshrink)
test/index.html (72%, heatshrink)
test/test.js (38%, heatshrink)
lienkaweb/index.html (38%, heatshrink)
lienkaweb/images/up.png (100%, none)
lienkaweb/images/down.png (100%, none)
lienkaweb/images/up_hover.png (100%, none)
lienkaweb/images/left.png (100%, none)
lienkaweb/images/left_hover.png (100%, none)
lienkaweb/images/down_hover.png (100%, none)
lienkaweb/images/right_hover.png (100%, none)
lienkaweb/images/right.png (100%, none)
lienkaweb/script.js (21%, heatshrink)
lienkaweb/style.css (44%, heatshrink)
flash/index.html (54%, heatshrink)
flash/140medley.min.js (74%, heatshrink)
flash/style.css (59%, heatshrink)
style.css (78%, heatshrink)
led.tpl (72%, heatshrink)
AR build/httpd_app.a
GEN ldscript_memspecific.ld
LD build/httpd.out
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/bin/ld:ldscript_memspecific.ld:1: warning: redeclaration of memory region `irom0_0_seg'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/bin/ld: build/httpd.out section `.text' will not fit in region `iram1_0_seg'
build/httpd_app.a(gdbstub.o):(.irom0.text+0x4): undefined reference to `user_fatal_exception_handler'
build/httpd_app.a(gdbstub.o): In function `install_exceptions':
gdbstub.c:(.irom0.text+0x28): undefined reference to `_xt_isr_attach'
gdbstub.c:(.irom0.text+0x2c): undefined reference to `_xt_isr_unmask'
build/httpd_app.a(gdbstub.o): In function `install_uart_hdlr':
/Users/halasz/Projects/Iskola/Mgr/Lienka-esphttpd/esphttpd/gdbstub/gdbstub.c:762: undefined reference to `_xt_isr_attach'
/Users/halasz/Projects/Iskola/Mgr/Lienka-esphttpd/esphttpd/gdbstub/gdbstub.c:764: undefined reference to `_xt_isr_unmask'
/Users/halasz/Projects/Iskola/Mgr/Lienka-esphttpd/esphttpd/gdbstub/gdbstub.c:765: undefined reference to `os_install_putc1'
build/httpd_app.a(gdbstub.o): In function `gdbstub_init':
/Users/halasz/Projects/Iskola/Mgr/Lienka-esphttpd/esphttpd/gdbstub/gdbstub.c:776: undefined reference to `os_install_putc1'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-wsetup.o):(.literal+0x0): undefined reference to `_free_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-wsetup.o): In function `__swsetup_r':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/wsetup.c:57: undefined reference to `_free_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-fflush.o): In function `__sflush_r':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/fflush.c:162: undefined reference to `_free_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-findfp.o):(.literal+0x4): undefined reference to `_malloc_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-findfp.o): In function `__sfmoreglue':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/findfp.c:88: undefined reference to `_malloc_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-makebuf.o):(.literal+0x8): undefined reference to `_fstat_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-makebuf.o): In function `__smakebuf_r':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/makebuf.c:59: undefined reference to `_fstat_r'
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/makebuf.c:95: undefined reference to `_malloc_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-stdio.o):(.literal+0x0): undefined reference to `_read_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-stdio.o):(.literal+0x4): undefined reference to `_lseek_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-stdio.o):(.literal+0x8): undefined reference to `_write_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-stdio.o):(.literal+0xc): undefined reference to `_close_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-stdio.o): In function `__sread':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/stdio.c:48: undefined reference to `_read_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-stdio.o): In function `__swrite':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/stdio.c:89: undefined reference to `_lseek_r'
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/stdio.c:97: undefined reference to `_write_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-stdio.o): In function `__sseek':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/stdio.c:117: undefined reference to `_lseek_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-stdio.o): In function `__sclose':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/stdio.c:135: undefined reference to `_close_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(isatty.o): In function `_isatty_r':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/sys/xtensa/isatty.c:13: undefined reference to `_fstat_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-fclose.o): In function `_fclose_r':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/fclose.c:102: undefined reference to `_free_r'
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/fclose.c:104: undefined reference to `_free_r'
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/fclose.c:106: undefined reference to `_free_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-fvwrite.o):(.literal+0x0): undefined reference to `_realloc_r'
/Volumes/case-sensitive/esp-open-sdk/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.5/../../../../xtensa-lx106-elf/lib/libc.a(lib_a-fvwrite.o): In function `__sfvwrite_r':
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/fvwrite.c:143: undefined reference to `_malloc_r'
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/fvwrite.c:154: undefined reference to `_realloc_r'
/Volumes/case-sensitive/esp-open-sdk/crosstool-NG/.build/src/newlib-2.0.0/newlib/libc/stdio/fvwrite.c:160: undefined reference to `_free_r'
collect2: error: ld returned 1 exit status
make: *** [build/httpd.out] Error 1
你能帮我一下吗?提前致谢。
最佳答案
您可以按如下方式定义 SUBDIR 和 COMPONENTS_eagle.app.v6(在 Makefile 中)。
COMPONENTS_eagle.app.v6
子目录=\ gdbstub
COMPONENTS_eagle.app.v6 =\ gdbstub/libgdbstub.a
关于c - esp-gdbstub 编译错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54630493/
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我有两个驱动器 A 和 B。使用 python 脚本,我在“A”驱动器中创建一些文件,并运行 powerscript,该脚本以 1 秒的间隔将驱动器 A 中的所有文件复制到驱动器 B。 我在 powe
下面的函数一直返回这个错误信息。我认为可能是 double_precision 字段类型导致了这种情况,我尝试使用 CAST,但要么不是这样,要么我没有做对...帮助? 这是错误: ERROR: i
这个问题已经有答案了: Syntax error due to using a reserved word as a table or column name in MySQL (1 个回答) 已关闭
我的数据库有这个小问题。 我创建了一个表“articoli”,其中包含商品的品牌、型号和价格。 每篇文章都由一个 id (ID_ARTICOLO)` 定义,它是一个自动递增字段。 好吧,现在当我尝试插
我是新来的。我目前正在 DeVry 在线学习中级 C++ 编程。我们正在使用 C++ Primer Plus 这本书,到目前为止我一直做得很好。我的老师最近向我们扔了一个曲线球。我目前的任务是这样的:
这个问题在这里已经有了答案: What is an undefined reference/unresolved external symbol error and how do I fix it?
我的网站中有一段代码有问题;此错误仅发生在 Internet Explorer 7 中。 我没有在这里发布我所有的 HTML/CSS 标记,而是发布了网站的一个版本 here . 如您所见,我在列中有
如果尝试在 USB 设备上构建 node.js 应用程序时在我的树莓派上使用 npm 时遇到一些问题。 package.json 看起来像这样: { "name" : "node-todo",
在 Python 中,您有 None单例,在某些情况下表现得很奇怪: >>> a = None >>> type(a) >>> isinstance(a,None) Traceback (most
这是我的 build.gradle (Module:app) 文件: apply plugin: 'com.android.application' android { compileSdkV
我是 android 的新手,我的项目刚才编译和运行正常,但在我尝试实现抽屉导航后,它给了我这个错误 FAILURE: Build failed with an exception. What wen
谁能解释一下?我想我正在做一些非常愚蠢的事情,并且急切地等待着启蒙。 我得到这个输出: phpversion() == 7.2.25-1+0~20191128.32+debian8~1.gbp108
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