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J-Link can also have a PID of 0x0105

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adjust udev rules and `cargo xtask usb-list` accordingly

if running, FreeDesktop's ModemManager can prevent the discovery of the J-Link so set
`ID_MM_DEVICE_IGNORE` to prevent that
This commit is contained in:
Jorge Aparicio 2021-05-10 13:13:16 +02:00
parent 23f3725f69
commit e5aef5920f
3 changed files with 11 additions and 3 deletions
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2
embedded-workshop-book/src/hardware.md
View file

@ -62,7 +62,7 @@ After connecting the DK to your PC/laptop it will show up as:
**Windows**: a removable USB flash drive (named JLINK) and also as a USB Serial Device (COM port) in the Device Manager under the Ports section
**Linux**: a USB device under `lsusb`. The device will have a VID of `0x1366` and a PID of `0x1015` -- the `0x` prefix will be omitted in the output of `lsusb`:
**Linux**: a USB device under `lsusb`. The device will have a VID of `0x1366` and a PID of `0x10??` or `0x01??` (`?` is a hex digit) -- the `0x` prefix will be omitted in the output of `lsusb`:
``` console
$ lsusb

2
embedded-workshop-book/src/installation.md
View file

@ -60,7 +60,7 @@ ATTRS{idVendor}=="1915", ATTRS{idProduct}=="521f", TAG+="uaccess"
ATTRS{idVendor}=="2020", TAG+="uaccess"
# nRF52840 Development Kit
ATTRS{idVendor}=="1366", ATTRS{idProduct}=="1015", TAG+="uaccess"
ATTRS{idVendor}=="1366", ENV{ID_MM_DEVICE_IGNORE}="1", TAG+="uaccess"
```
3. Run the following command to make the new udev rules effective

10
xtask/src/tasks.rs
View file

@ -227,7 +227,15 @@ pub fn usb_list() -> color_eyre::Result<()> {
for dev in rusb::devices()?.iter() {
let desc = dev.device_descriptor()?;
let suffix = match (desc.vendor_id(), desc.product_id()) {
(0x1366, 0x1015) => " <- J-Link on the nRF52840 Development Kit",
(0x1366, pid) => {
let higher_byte = pid >> 8;
// 0x1015 and 0x0105 are valid PIDs for a J-Link probe
if higher_byte == 0x10 || higher_byte == 0x01 {
" <- J-Link on the nRF52840 Development Kit"
} else {
""
}
}
(0x1915, 0x521f) => " <- nRF52840 Dongle (in bootloader mode)",
(0x2020, pids::LOOPBACK) => " <- nRF52840 Dongle (loopback.hex)",
(0x2020, pids::PUZZLE) => " <- nRF52840 Dongle (puzzle.hex)",