Chenzhengwei1996
commented
4 years ago S2-Kulaga-1开发板，Flash时经常失败，输出如下：
E:\esp32\esp-dev-kits\esp32-s2-kaluga-1\examples\camera>idf.py flash Executing action: flash Choosing default port b'COM13' (use '-p PORT' option to set a specific serial port) Running ninja in directory e:\esp32\esp-dev-kits\esp32-s2-kaluga-1\examples\camera\build Executing "ninja flash"... [1/4] Performing build step for 'bootloader' ninja: no work to do. [1/2] cmd.exe /C "cd /D E:\esp32\esp-idf\components\esptoo... E:/esp32/esp-idf/components/esptool_py/run_esptool.cmake" esptool.py --chip esp32s2 -p COM13 -b 460800 --before=default_reset --after=hard_reset write_flash --flash_mode dio --flash_freq 80m --flash_size 4MB 0x8000 partition_table/partition-table.bin 0x1000 bootloader/bootloader.bin 0x10000 esp32-s2-hmi.bin esptool.py v3.0-dev Serial port COM13 Connecting.... Chip is ESP32-S2 Features: WiFi Crystal is 40MHz MAC: 7c:df:a1:00:79:5a Uploading stub... Running stub... Stub running... Changing baud rate to 460800 Changed. Configuring flash size... Compressed 3072 bytes to 103... Writing at 0x00008000... (100 %) Wrote 3072 bytes (103 compressed) at 0x00008000 in 0.0 seconds (effective 1540.1 kbit/s)... A fatal error occurred: Timed out waiting for packet header CMake Error at run_cmd.cmake:14 (message): esptool.py failed Call Stack (most recent call first): run_esptool.cmake:21 (include) FAILED: CMakeFiles/flash cmd.exe /C "cd /D E:\esp32\esp-idf\components\esptool_py && C:\Users\Administrator\.espressif\tools\cmake\3.16.4\bin\cmake.exe -D IDF_PATH="E:/esp32/esp-idf" -D ESPTOOLPY="C:\Users\Administrator\.espressif\python_env\idf4.2_py3.7_env\Scripts\python.exe E:/esp32/esp-idf/components/esptool_py/esptool/esptool.py --chip esp32s2" -D ESPTOOL_ARGS="--before=default_reset --after=hard_reset write_flash @flash_args" -D WORKING_DIRECTORY="E:/esp32/esp-dev-kits/esp32-s2-kaluga-1/examples/camera/build" -P E:/esp32/esp-idf/components/esptool_py/run_esptool.cmake" ninja: build stopped: subcommand failed. ninja failed with exit code 1此时，如果在Flash之前手按Boot再按Reset，Flash成功的概率至少高1倍，否则，Flash 5次至少失败4次，按住Boot 5次可能只失败2~次。
另外，就是Flash完了之后，无法启动，monitor输出如下：
Build:Oct 25 2019 rst:0x1 (POWERON),boot:0x18 (SPI_FAST_FLASH_BOOT) SPIWP:0xee mode:DIO, clock div:1 load:0x3ffe8100,len:0x4 load:0x3ffe8104,len:0x1914 load:0x40050000,len:0x18a8 load:0x40054000,len:0x210c Checksum failure. Calculated 0xd1 stored 0xd3 ets_main.c 386 ESP-ROM:esp32s2-rc4-20191025 Build:Oct 25 2019 rst:0x7 (TG0WDT_SYS_RST),boot:0x18 (SPI_FAST_FLASH_BOOT) Saved PC:0x4000f79a SPIWP:0xee mode:DIO, clock div:1 load:0x3ffe8100,len:0x4 load:0x3ffe8104,len:0x1914 load:0x40050000,len:0x18a8 load:0x40054000,len:0x210c Checksum failure. Calculated 0xbb stored 0xd3 ets_main.c 386解决的方案就是再Flash 1次，就能正常运行。如果还是不行，再Flash 1次，肯定就可以正常运行。无须做任何修改，只需要不停的Flash，2~3次，就总有1次可以正常运行。
IDF 版本：v4.2 dev-kits 版本：master最新 工具链：esptool.py v3.0-dev
请问以上两个问题是何原因呢？
请问，您手上的 kaluga 硬件是哪个版本的？
coollofty
S2-Kulaga-1开发板，Flash时经常失败，输出如下：
此时，如果在Flash之前手按Boot再按Reset，Flash成功的概率至少高1倍，否则，Flash 5次至少失败4次，按住Boot 5次可能只失败2~次。
另外，就是Flash完了之后，无法启动，monitor输出如下：
解决的方案就是再Flash 1次，就能正常运行。如果还是不行，再Flash 1次，肯定就可以正常运行。无须做任何修改，只需要不停的Flash，2~3次，就总有1次可以正常运行。
IDF 版本：v4.2 dev-kits 版本：master最新 工具链：esptool.py v3.0-dev
请问以上两个问题是何原因呢？