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[efr32] add a method to download image to specified EFR32 dev board (#3191)

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Zhanglong Xia
2018-10-24 20:05:25 -07:00
committed by Jonathan Hui
parent 6086e1a094
commit 8d440789ac
1 changed files with 21 additions and 0 deletions
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examples/platforms/efr32/README.md
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@@ -93,6 +93,27 @@ $ (gdb) c
Note: Support for the "EFR32MG12PxxxF1024" device was added to JLinkGDBServer V6.14d.
Or
Compiled binaries also may be flashed onto the specified EFR32 dev borad using [J-Link Commander][j-link-commander].
[j-link-commander]: https://www.segger.com/products/debug-probes/j-link/tools/j-link-commander/
```bash
$ cd <path-to-openthread>/output/efr32/bin
$ arm-none-eabi-objcopy -O ihex ot-cli-ftd ot-cli-ftd.hex
$ JLinkExe -device EFR32MG12PxxxF1024 -speed 4000 -if SWD -autoconnect 1 -SelectEmuBySN <SerialNo>
$ J-Link>loadfile ot-cli-ftd.hex
$ J-Link>r
$ J-Link>q
```
Note: SerialNo is J-Link serial number. Use the following command to get the serial number of the connected J-Link.
```bash
$ JLinkExe
```
## Run the example with EFR32 boards
1. Flash two EFR32 boards with the `CLI example` firmware (as shown above).
2. Open terminal to first device `/dev/ttyACM0` (serial port settings: 115200 8-N-1).