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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| tools:tasmota [2023/10/16 19:33] – [Resources] darron | tools:tasmota [2023/12/15 07:56] (current) – [SONOFF 4CH PRO R2] darron | ||
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| ===SONOFF 4CH PRO R2=== | ===SONOFF 4CH PRO R2=== | ||
| - | First attach a console to the ESP8285. Connect a UART adapter in 3V mode to the Rx/Tx and GND pins on the board and power on with the DC input. | + | <wrap right> |
| + | {{tools: | ||
| + | </ | ||
| The built-in firmware for this device died after 6 months of use. The console shows the chip rebooting with watchdog reset errors continuously. | The built-in firmware for this device died after 6 months of use. The console shows the chip rebooting with watchdog reset errors continuously. | ||
| - | ==Write flash== | + | To upgrade attach a console to the ESP8285 by connecting a UART adapter in 3V mode to the Rx/Tx and GND pins on the board. Power up with the DC input. |
| - | To enable flash mode power off and short IO0 on the pad. Power up with the DC input. | + | To enable flash erase/ |
| + | |||
| + | ==Write flash== | ||
| - | Programming may take a few attempts. With 100% success power cycle the board. | + | Writing was unreliable and needed lots of attempts |
| < | < | ||
| - | esptool.py write_flash | + | esptool.py write_flash |
| esptool.py v4.6.2 | esptool.py v4.6.2 | ||
| + | Loaded custom configuration from / | ||
| Found 1 serial ports | Found 1 serial ports | ||
| Serial port / | Serial port / | ||
| - | Connecting....... | + | Connecting... |
| Detecting chip type... Unsupported detection protocol, switching and trying again... | Detecting chip type... Unsupported detection protocol, switching and trying again... | ||
| Connecting... | Connecting... | ||
| Line 376: | Line 381: | ||
| MAC: 84: | MAC: 84: | ||
| Stub is already running. No upload is necessary. | Stub is already running. No upload is necessary. | ||
| - | WARNING: Failed to communicate with the flash chip, read/write operations will fail. Try checking the chip connections or removing any other hardware connected to IOs. | ||
| Configuring flash size... | Configuring flash size... | ||
| - | Warning: Could not auto-detect Flash size (FlashID=0x0, | ||
| Flash will be erased from 0x00000000 to 0x0009efff... | Flash will be erased from 0x00000000 to 0x0009efff... | ||
| - | Flash params set to 0x0340 | ||
| Wrote 655360 bytes at 0x00000000 in 59.9 seconds (87.5 kbit/s)... | Wrote 655360 bytes at 0x00000000 in 59.9 seconds (87.5 kbit/s)... | ||
| Hash of data verified. | Hash of data verified. | ||
| Line 386: | Line 388: | ||
| Leaving... | Leaving... | ||
| Hard resetting via RTS pin... | Hard resetting via RTS pin... | ||
| - | |||
| </ | </ | ||
| ==Boot== | ==Boot== | ||
| + | |||
| + | When writing succeeded, this was the boot message. | ||
| < | < | ||
| Line 416: | Line 419: | ||
| [[https:// | [[https:// | ||
| + | |||
| + | {{tools: | ||
| + | |||
