kopia lustrzana https://github.com/mikaelnousiainen/RS41ng
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@ -222,12 +222,12 @@ ______________________| |______________________
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### Steps to flash the firmware
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### Steps to flash the firmware
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1. Remove batteries from the sonde
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1. If your ST-LINK v2 programmer is capable of providing power (as some third-party clones are), remove the batteries from the sonde. Otherwise, leave the battiers in and power on the sonde.
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2. Connect an ST-LINK v2 programmer dongle to the sonde via the following pins:
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2. Connect an ST-LINK v2 programmer dongle to the sonde via the following pins:
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* SWDIO -> Pin 9 (SWDIO)
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* SWDIO -> Pin 9 (SWDIO)
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* SWCLK -> Pin 8 (SWCLK)
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* SWCLK -> Pin 8 (SWCLK)
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* GND -> Pin 1 (GND)
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* GND -> Pin 1 (GND)
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* 3.3V -> Pin 5 (MCU switch 3.3V)
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* 3.3V -> Pin 5 (MCU switch 3.3V) (only required when using the programmer to power the sonde)
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3. Unlock the flash protection - needed only before reprogramming the sonde for the first time
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3. Unlock the flash protection - needed only before reprogramming the sonde for the first time
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* `openocd -f ./openocd_rs41.cfg -c "init; halt; flash protect 0 0 63 off; exit"`
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* `openocd -f ./openocd_rs41.cfg -c "init; halt; flash protect 0 0 63 off; exit"`
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* **NOTE:** If the above command fails with an error about erasing sectors, try replacing the number `63` with `31`:
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* **NOTE:** If the above command fails with an error about erasing sectors, try replacing the number `63` with `31`:
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