Cons-n-Stuff/Solder-Plate
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@ -53,7 +53,7 @@ Before programming the ATmega4809, it needs to be flashed with a default bootloa
1. **Bootloader Flashing:**
Same process as DerSpatz Solder plate (Direct quote):
Same process as DerSpatz Solder plate with some changes to the bootloader settingffs:
The MCU can be programmed with JTAG2UPDI (https://github.com/ElTangas/jtag2updi). For programming, you need an Arduino with ATMEGA328p (Uno or Nano), some wires, a 4.7k resistor and a 10µF capacitor or 120 Ohm resistor to disable the auto-reset.
@ -66,7 +66,7 @@ JCM from the Discord explained the process pretty good:
- Add the MegaCoreX hardware package to the Ardunio IDE (see https://github.com/MCUdude/MegaCoreX#how-to-install)
- Install the Adafruit_GFX, Adafruit_SSD1306, DallasTemperature and Debounce2 libraries with the Library Manager (you might not need all of them depending on which firmware you plan to use)
- Download and open the ino you want to upload to the ATMEGA4809 (https://github.com/DerSpatz/PCB-reflow-solder-heat-plate/blob/main/Firmware/pcb_reflow_fw/pcb_reflow_fw.ino)
- Select the options for the programmer (Board: ATmega4809, Clock: Internal 16 MHz, BOD: 2.6V or 2.7V, EEPROM: retained, Pinout: 48 pin standard, Reset pin: Reset, Bootloader:Optiboot:Uart0(Defualt pins)) and select the port of your Ardunio Nano as Port
- Select the options for the programmer **(Board: ATmega4809, Clock: Internal 16 MHz, BOD: 2.6V or 2.7V, EEPROM: retained, Pinout: 48 pin standard, Reset pin: Reset, Bootloader:Optiboot:Uart0(Defualt pins))** and select the port of your Ardunio Nano as Port
- Make sure the programmer selected is SerialUPDI or JTAG2UPDI
- Select Burn Bootloader and see if it runs through