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53 lines
2.1 KiB
Markdown
53 lines
2.1 KiB
Markdown
# `cargo-flash` is not working
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## Debug power request failed
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``` console
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$ cargo flash --chip nRF52840_xxAA --bin hello
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ERROR probe_rs::architecture::arm::communication_interface > Debug power request failed
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Error processing command: An error specific to the selected architecture occured
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```
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This is a spurious error that occurs only once on a new development kit. Running the command again should make the error go away. If you still get the error run `RUST_LOG=probe_rs=debug cargo flash --chip nRF52840_xxAA --bin hello ` once.
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## 'erase_sector' failed with code 1
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``` console
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$ cargo flash --chip nRF52840_xxAA --bin hello
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(..)
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Error failed to flash app: The execution of 'erase_sector' failed with code 1
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```
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flash write protection is enabled in the device. To disable it use the `nrf-recover` tool. Instructions can be found in the [`nrf-recover` section of the Installation Instructions].
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[`nrf-recover` section of the Installation Instructions]: ./installation.md#nrf-recover
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## Linux permissions
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``` console
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$ cargo flash --chip nRF52840_xxAA --bin hello
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Error: An error specific to a probe type occured: USB error while opening USB device: Access denied (insufficient permissions)
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Caused by:
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USB error while opening USB device: Access denied (insufficient permissions)
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```
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udev rules need to be changed to allow non-root access. Instructions can be found in the [`Linux only: USB` section of the Installation Instructions].
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[`Linux only: USB` section of the Installation Instructions]: ./installation.md#linux-only-usb
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## Wrong Windows Driver
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``` console
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$ cargo flash --chip nRF52840_xxAA --bin hello
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Error: An error specific to a probe type occured: USB error while opening USB device: Entity not found
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Caused by:
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USB error while opening USB device: Entity not found
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```
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You need to bind the BULK interface of the J-Link USB device to the WinUSB driver using the Zadig tool. Instructions can be found in the [`Windows only: Zadig JLink driver` section of the Installation Instructions].
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[`Windows only: Zadig JLink driver` section of the Installation Instructions]: ./installation.md#windows-only-zadig-jlink-driver
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