This code displays the most basic deep sleep withĪ timer to wake it up and how to store data in RTC controller, RTC peripherals ,and RTC memories The chip which can still be powered on are: In this mode CPUs, most of the RAM,Īnd all the digital peripherals which are clockedįrom APB_CLK are powered off. Saving as power is an important factor for IoTĪpplications. set to com port!ĭEBUG:ĭoes anyone have an idea how to get a new program onto my ESP32C3?ĮSP32 offers a deep sleep mode for effective power But when flashing, the write timeout error comes again. First the program says “open com3 sucess”.
It is likely not a problem with esptool, but with the hardware connection or drivers.Īlso with the EspRFTestTool I can’t get a connection to flash a new. Note: This error originates from pySerial. esptool.py v4.5Ī serial exception error occurred: Write timeout But when uploading a write timeout error occurs. So Windows doesn’t keep reporting that a new device has been detected. The connection between C3 and PC is stable for now. My next try was to put the C3 into bootloader mode to load the program then. Or there are always other error messages that somehow say that the device is not reachable or the connection was aborted. Either the COM port is not found right now, because my Windows does not recognize any device on the COM port. Loading a new program is not possible now. Every time I get connected to the Serial Monitor the same thing happens. The last output is “Going to sleep now” and then I lose the connection. In the serial monitor I see the output according to the example code. Without thinking too much I loaded the program on my controller.Īnd now the program is on there but I can’t get anything else loaded… probably because in DeepSleep mode the COM port is also disabled. In it the controller is set to DeepSleep mode and wakes up after 5 seconds via “timer wakeup”. For testing I have loaded a sample code from the ESP32 library on my C3. For a project I need the deep sleep mode to save energy.
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