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Arduino core for the ESP32
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ESP32-camera driver update #4271

Closed keyfour closed 3 years ago

keyfour commented 4 years ago

Hardware:

Board: ESP32-Cam Core Installation/update date: 20/May/2020 IDE name: Platform.io Flash Frequency: 40Mhz PSRAM enabled: yes Upload Speed: 115200 Computer OS: Arch

Description:

I would like to use set_res_raw function from last esp32-camera driver version with Espressif Arduino SDK. Are there any chances to update SDK to use it with Platform.io IDE?

lbernstone commented 4 years ago

idf-release/v4.0 branch has it https://github.com/espressif/arduino-esp32/blob/idf-release/v4.0/tools/sdk/include/esp32-camera/sensor.h

keyfour commented 4 years ago

idf-release/v4.0 branch has it https://github.com/espressif/arduino-esp32/blob/idf-release/v4.0/tools/sdk/include/esp32-camera/sensor.h

I am getting the following errors when trying to build using the Arduino framework:

Linking .pio/build/esp32cam/firmware.elf
/home/keyfour/.platformio/packages/toolchain-xtensa32@2.50200.80/bin/../lib/gcc/xtensa-esp32-elf/5.2.0/../../../../xtensa-esp32-elf/bin/ld: .pio/build/esp32cam/firmware.elf section `.iram0.text' will not fit in region `iram0_0_seg'
/home/keyfour/.platformio/packages/toolchain-xtensa32@2.50200.80/bin/../lib/gcc/xtensa-esp32-elf/5.2.0/../../../../xtensa-esp32-elf/bin/ld: IRAM0 segment data does not fit.
/home/keyfour/.platformio/packages/toolchain-xtensa32@2.50200.80/bin/../lib/gcc/xtensa-esp32-elf/5.2.0/../../../../xtensa-esp32-elf/bin/ld: region `iram0_0_seg' overflowed by 6592 bytes
/home/keyfour/.platformio/packages/framework-arduinoespressif32-src-c69fc9322995db5694e2741d307d9723/tools/sdk/lib/libbt.a(btc_config.o):(.literal.btc_config_get_bin+0xc): undefined reference to `__locale_ctype_ptr'
/home/keyfour/.platformio/packages/framework-arduinoespressif32-src-c69fc9322995db5694e2741d307d9723/tools/sdk/lib/libbt.a(btc_config.o): In function `btc_config_get_bin':
/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/bt/host/bluedroid/btc/core/btc_config.c:329: undefined reference to `__locale_ctype_ptr'
/home/keyfour/.platformio/packages/framework-arduinoespressif32-src-c69fc9322995db5694e2741d307d9723/tools/sdk/lib/libbt.a(config.o):(.literal.trim+0x0): undefined reference to `__locale_ctype_ptr'
/home/keyfour/.platformio/packages/framework-arduinoespressif32-src-c69fc9322995db5694e2741d307d9723/tools/sdk/lib/libbt.a(config.o): In function `trim':
/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/bt/common/osi/config.c:225: undefined reference to `__locale_ctype_ptr'
/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/bt/common/osi/config.c:225: undefined reference to `__locale_ctype_ptr'
/home/keyfour/.platformio/packages/framework-arduinoespressif32-src-c69fc9322995db5694e2741d307d9723/tools/sdk/lib/liblwip.a(dns.o):(.literal.dns_compare_name+0x4): more undefined references to `__locale_ctype_ptr' follow
collect2: error: ld returned 1 exit status
*** [.pio/build/esp32cam/firmware.elf] Error 1

platformio.ini:

[env:esp32cam]
board = esp32cam
framework = arduino
platform = https://github.com/platformio/platform-espressif32.git
platform_packages =
    ; use a special branch
    framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git#idf-release/v4.0
lbernstone commented 4 years ago

IDF 4 uses a newer version of the gcc toolchain. You need to run get.py as in the last step of the instructions

keyfour commented 4 years ago

Thanks @lbernstone , I fixed undefined references using newest toolchain:

[env:esp32cam]
board = esp32cam
framework = arduino
platform = espressif32
platform_packages =
    ; use a special branch
    framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git#idf-release/v4.0
    toolchain-xtensa32 @ 3.80200.200512

But anyway I have an issue with iram0.text section.

/home/keyfour/.platformio/packages/toolchain-xtensa32/bin/../lib/gcc/xtensa-esp32-elf/8.2.0/../../../../xtensa-esp32-elf/bin/ld: .pio/build/esp32cam/firmware.elf section `.iram0.text' will not fit in region `iram0_0_seg'
/home/keyfour/.platformio/packages/toolchain-xtensa32/bin/../lib/gcc/xtensa-esp32-elf/8.2.0/../../../../xtensa-esp32-elf/bin/ld: IRAM0 segment data does not fit.
/home/keyfour/.platformio/packages/toolchain-xtensa32/bin/../lib/gcc/xtensa-esp32-elf/8.2.0/../../../../xtensa-esp32-elf/bin/ld: region `iram0_0_seg' overflowed by 7940 bytes

I suppose that happens because of differences between esp32.project.ld linker scripts:

  1. esp32.project.ld (master)
  2. esp32.project.ld (idf-release/v4.0)

Any thoughts about this?

lbernstone commented 4 years ago

No, but I would assume there was some reason @me-no-dev removed the driver from the esp32s2 branch. The camera driver is a tight fit, and he will likely need to do some rearrangement to get enough iram with IDF 4.

keyfour commented 4 years ago

I got nonworking firmware using linker script from master branch, naturally. I deleted comment with details to do not mislead others.

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