I’ve been using a 7.5-in Waveshare tricolor epaper for a little over a year with no real issues. Then 10 days ago it stopped updating.
I thought maybe the driver board went out and I purchased a new one.
When I flash the firmware using a usb port on the HA , I see the follwing loop.
WARNING Found stack trace! Trying to decode it
WARNING Decoded 0x40108da3: spi_ll_enable_mosi at /data/cache/platformio/packages/framework-espidf/components/hal/esp32/include/hal/spi_ll.h:1012
(inlined by) spi_hal_enable_data_line at /data/cache/platformio/packages/framework-espidf/components/hal/spi_hal_iram.c:209
WARNING Decoded 0x400fdb1b: s_spi_prepare_data at /data/cache/platformio/packages/framework-espidf/components/esp_driver_spi/src/gpspi/spi_master.c:772 (discriminator 8)
(inlined by) spi_new_trans at /data/cache/platformio/packages/framework-espidf/components/esp_driver_spi/src/gpspi/spi_master.c:831 (discriminator 8)
WARNING Decoded 0x400fe4c2: spi_device_polling_start at /data/cache/platformio/packages/framework-espidf/components/esp_driver_spi/src/gpspi/spi_master.c:1440
WARNING Decoded 0x400dd3c9: esphome::spi::SPIDelegateHw::transfer(unsigned char const*, unsigned char*, unsigned int) at /data/build/office-dashboard/src/esphome/components/spi/spi_esp_idf.cpp:71
WARNING Decoded 0x40187a8f: esphome::spi::SPIDelegateHw::write_array(unsigned char const*, unsigned int) at /data/build/office-dashboard/src/esphome/components/spi/spi_esp_idf.cpp:166
WARNING Decoded 0x40187c79: esphome::spi::SPIDevice<(esphome::spi::SPIBitOrder)1, (esphome::spi::SPIClockPolarity)0, (esphome::spi::SPIClockPhase)0, (esphome::spi::SPIDataRate)2000000>::write_byte(unsigned char) at /data/build/office-dashboard/src/esphome/components/spi/spi.h:476
WARNING Decoded 0x400de213: esphome::waveshare_epaper::WaveshareEPaperBase::data(unsigned char) at /data/build/office-dashboard/src/esphome/components/waveshare_epaper/waveshare_epaper.cpp:140
WARNING Decoded 0x400de411: esphome::waveshare_epaper::WaveshareEPaper7P5InBV3BWR::display() at /data/build/office-dashboard/src/esphome/components/waveshare_epaper/waveshare_epaper.cpp:3485
WARNING Decoded 0x400de057: esphome::waveshare_epaper::WaveshareEPaperBase::update() at /data/build/office-dashboard/src/esphome/components/waveshare_epaper/waveshare_epaper.cpp:172
WARNING Decoded 0x401881dd: std::_Function_handler<void (), esphome::PollingComponent::start_poller()::{lambda()#1}>::_M_invoke(std::_Any_data const&) at /data/build/office-dashboard/src/esphome/core/component.cpp:512
(inlined by) __invoke_impl<void, esphome::PollingComponent::start_poller()::<lambda()>&> at /data/cache/platformio/packages/toolchain-xtensa-esp-elf/xtensa-esp-elf/include/c++/14.2.0/bits/invoke.h:61
(inlined by) __invoke_r<void, esphome::PollingComponent::start_poller()::<lambda()>&> at /data/cache/platformio/packages/toolchain-xtensa-esp-elf/xtensa-esp-elf/include/c++/14.2.0/bits/invoke.h:111
(inlined by) _M_invoke at /data/cache/platformio/packages/toolchain-xtensa-esp-elf/xtensa-esp-elf/include/c++/14.2.0/bits/std_function.h:290
WARNING Decoded 0x400e6292: std::function<void ()>::operator()() const at /data/cache/platformio/packages/toolchain-xtensa-esp-elf/xtensa-esp-elf/include/c++/14.2.0/bits/std_function.h:591
(inlined by) esphome::Scheduler::execute_item_(esphome::Scheduler::SchedulerItem*, unsigned long) at /data/build/office-dashboard/src/esphome/core/scheduler.cpp:617
WARNING Decoded 0x400e6e1f: esphome::Scheduler::call(unsigned long) at /data/build/office-dashboard/src/esphome/core/scheduler.cpp:528 (discriminator 1)
WARNING Decoded 0x400e4b5d: esphome::Application::before_loop_tasks_(unsigned long) at /data/build/office-dashboard/src/esphome/core/application.cpp:520
WARNING Decoded 0x400e4ed8: esphome::Application::loop() at /data/build/office-dashboard/src/esphome/core/application.cpp:152
WARNING Decoded 0x400e71f6: loop() at /config/esphome/test.yaml:730
WARNING Decoded 0x400d8686: esphome::loop_task(void*) at /data/build/office-dashboard/src/esphome/components/esp32/core.cpp:62 (discriminator 1)
I don’t have any idea what this means.
Thanks