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Merge pull request #293 from jusic/patch-1

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Update odrivetool.md, how to use dfu-util on macOS
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Oskar Weigl
2019-01-13 17:15:59 -08:00
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@@ -135,9 +135,40 @@ In the Firmware directory, after finishing building the firmware:
sudo dfu-util -a 0 -s 0x08000000 -D build/ODriveFirmware.bin
```
#### MacOS
**This section needs more detail. Please consider adding detail if you got it to work.**
You may be able to use [dfu-util](http://dfu-util.sourceforge.net/) to upgrade the firmware. The command should be similar to the Linux instructions.
#### macOS
First, you need to install the arm development tools to copy the binary into the appropriate format.
```text
$ brew cask install gcc-arm-embedded
```
Then convert the binary to .bin format
```text
$ arm-none-eabi-objcopy -O binary ODriveFirmware_v3.5-48V.elf ODriveFirmware_v3.5-48V.bin
```
Install `dfu-util`:
```text
$ sudo port install dfu-util # via MacPorts; for HomeBrew use "brew install dfu-util"
```
Find the correct device serial number to use:
```text
$ dfu-util --list # list the DFU capable devices
[...]
Found DFU: [0483:df11] ver=2200, devnum=5, cfg=1, intf=0, path="20-2", alt=0,
name="@Internal Flash /0x08000000/04*016Kg,01*064Kg,07*128Kg", serial="388237123123"
```
Finally, flash the firmware using the found serial number:
```text
$ sudo dfu-util -S 388237123123 -a 0 -s 0x08000000 -D ODriveFirmware_v3.5-48V.bin
```
## Flashing with an STLink