Fixes Lib Builder compiling errors

[SuGlider]

Summary

Fixes warnings and an error when compiling RMT with Arduino Lib Builder

Impact

None

Related links

#6024 (comment)

Related LOG:

2021-12-21T13:42:08.4507786Z FAILED: esp-idf/arduino/CMakeFiles/__idf_arduino.dir/cores/esp32/esp32-hal-rmt.c.obj 
2021-12-21T13:42:08.4596147Z /home/runner/.espressif/tools/riscv32-esp-elf/esp-2021r2-8.4.0/riscv32-esp-elf/bin/riscv32-esp-elf-gcc -DHAVE_CONFIG_H -DMBEDTLS_CONFIG_FILE=\"mbedtls/esp_config.h\" -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/build/config -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/variants/esp32c3 -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32 -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/ArduinoOTA/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/AsyncUDP/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/BLE/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/BluetoothSerial/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/DNSServer/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/EEPROM/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/ESP32/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/ESPmDNS/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/FFat/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/FS/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/HTTPClient/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/HTTPUpdate/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/LittleFS/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/NetBIOS/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/Preferences/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/SD_MMC/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/SD/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/SimpleBLE/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/SPIFFS/src -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/libraries/SPI/src 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-I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_hw_support/include/soc/esp32c3 -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_hw_support/port/esp32c3/. -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_hw_support/port/esp32c3/private_include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/heap/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/log/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/lwip/include/apps -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/lwip/include/apps/sntp -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/lwip/lwip/src/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/lwip/port/esp32/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/lwip/port/esp32/include/arch -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/soc/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/soc/esp32c3/. -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/soc/esp32c3/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/hal/esp32c3/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/hal/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/hal/platform_port/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_rom/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_rom/include/esp32c3 -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_rom/esp32c3 -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_common/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_system/include -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_system/port/soc -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_system/port/include/riscv -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp_system/port/public_compat -I/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/riscv/include 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-Wno-error=deprecated-declarations -Wextra -Wno-unused-parameter -Wno-sign-compare -ggdb -Wno-error=format= -nostartfiles -Wno-format -Os -freorder-blocks -fmacro-prefix-map=/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder=. -fmacro-prefix-map=/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf=IDF -fstrict-volatile-bitfields -Wno-error=unused-but-set-variable -fno-jump-tables -fno-tree-switch-conversion -std=gnu99 -Wno-old-style-declaration -D_GNU_SOURCE -DIDF_VER=\"v4.4-tasmota-144-g831152548\" -DESP_PLATFORM -DNDEBUG -D_POSIX_READER_WRITER_LOCKS -DARDUINO=10812 -DARDUINO_ESP32C3_DEV -DARDUINO_ARCH_ESP32 -DARDUINO_BOARD=\"ESP32C3_DEV\" -DARDUINO_VARIANT=\"esp32c3\" -DESP32 -MD -MT esp-idf/arduino/CMakeFiles/__idf_arduino.dir/cores/esp32/esp32-hal-rmt.c.obj -MF esp-idf/arduino/CMakeFiles/__idf_arduino.dir/cores/esp32/esp32-hal-rmt.c.obj.d -o esp-idf/arduino/CMakeFiles/__idf_arduino.dir/cores/esp32/esp32-hal-rmt.c.obj -c /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c
2021-12-21T13:42:08.4685167Z /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c: In function 'rmtReadData':
2021-12-21T13:42:08.4687087Z /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c:393:9: warning: unused variable 'channel' [-Wunused-variable]
2021-12-21T13:42:08.4688502Z      int channel = rmt->channel;
2021-12-21T13:42:08.4688849Z          ^~~~~~~
2021-12-21T13:42:08.4689954Z /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c: In function 'rmtReadAsync':
2021-12-21T13:42:08.4691756Z /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c:495:18: warning: unused variable 'flags' [-Wunused-variable]
2021-12-21T13:42:08.4692965Z          uint32_t flags = xEventGroupWaitBits(eventFlag, RMT_FLAGS_ALL,
2021-12-21T13:42:08.4693498Z                   ^~~~~
2021-12-21T13:42:08.4693794Z At top level:
2021-12-21T13:42:08.4695331Z /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c:129:13: warning: 'periph_enabled' defined but not used [-Wunused-variable]
2021-12-21T13:42:08.4696884Z  static bool periph_enabled = false;
2021-12-21T13:42:08.4697287Z              ^~~~~~~~~~~~~~
2021-12-21T13:42:08.4698755Z /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c:127:23: warning: 'intr_handle' defined but not used [-Wunused-variable]
2021-12-21T13:42:08.4700163Z  static  intr_handle_t intr_handle;
2021-12-21T13:42:08.4700573Z                        ^~~~~~~~~~~
2021-12-21T13:42:08.4701641Z /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c: In function 'rmtInit':
2021-12-21T13:42:08.4703473Z /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c:556:31: error: 'j' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2021-12-21T13:42:08.4705116Z      if (i == MAX_CHANNELS || i+j > MAX_CHANNELS || j != buffers)  {
2021-12-21T13:42:08.4705566Z                               ~^~
2021-12-21T13:42:08.4705963Z cc1: some warnings being treated as errors

[Jason2866]

Still a error

home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c: In function 'rmtInit':
/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/components/arduino/cores/esp32/esp32-hal-rmt.c:552:31: error: 'j' may be used uninitialized in this function [-Werror=maybe-uninitialized]
     if (i == MAX_CHANNELS || i+j > MAX_CHANNELS || j != buffers)  {
                              ~^~
cc1: some warnings being treated as errors