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boards/samd21-xpro: update board documentation

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Signed-off-by: Dylan Laduranty <dylan.laduranty@mesotic.com>
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Dylan Laduranty 2024-04-23 15:18:15 +02:00
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boards/samd21-xpro/doc.txt
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@ -11,7 +11,7 @@ controller. For programming the MCU comes with 32Kb of RAM and 256Kb of flash
memory. memory.
The samd21-xpro is available from various hardware vendors for ~30USD (as of The samd21-xpro is available from various hardware vendors for ~30USD (as of
2017May). 2017 May).
## Hardware ## Hardware
@ -50,31 +50,30 @@ The samd21-xpro is available from various hardware vendors for ~30USD (as of
| Device | ID | Supported | Comments | | Device | ID | Supported | Comments |
|:------------- |:------------- |:------------- |:------------- | |:------------- |:------------- |:------------- |:------------- |
| MCU | samd21 | partly | DFLL clock not implemented | | MCU | samd21 | yes | |
| Low-level driver | GPIO | yes | | | Low-level driver | GPIO | yes | |
| | ADC | yes | | | | ADC | yes | |
| | PWM | yes | | | | PWM | yes | |
| | UART | yes | | | | UART | yes | |
| | I2C | unknown | | | | I2C | yes | |
| | SPI | yes | | | | SPI | yes | |
| | USB | no | | | | USB | yes | |
| | RTT | yes | | | | RTT | yes | |
| | RTC | yes | | | | RTC | yes | |
| | RNG | unknown | | | | Timer | yes | |
| | Timer | yes | |
## Flashing the device ## Flashing the device
Connect the device to your Micro-USB cable using the port labeled as *DEBUG Connect the device to your Micro-USB cable using the port labeled as *DEBUG
USB*. USB*.
The standard method for flashing RIOT to the samd21-xpro is using OpenOCD. The standard method for flashing RIOT to the samd21-xpro is using [edbg](https://github.com/ataradov/edbg).
by calling: `make BOARD=samd21-xpro -C tests/leds flash`
Refer to https://github.com/RIOT-OS/RIOT/wiki/OpenOCD for general Note that on Linux, you will need libudev-dev package to be installed.
instructions on building OpenOCD and make sure "cmsis-dap" and "hidapi-libusb"
are enabled. Users can also use openOCD to flash and/or debug the board using:
`PROGRAMMER=openocd make BOARD=samd21-xpro -C tests/leds flash`
On Linux you will have to add a **udev** rule for hidraw, like On Linux you will have to add a **udev** rule for hidraw, like
``` ```
@ -87,6 +86,7 @@ sudo service udev restart
### Arch Linux ### Arch Linux
With yaourt: With yaourt:
``` ```
yaourt -S libudev0
yaourt -S hidapi-git yaourt -S hidapi-git
yaourt -S openocd-git yaourt -S openocd-git
# edit PKGBUILD, add "cmsis-dap hidapi-libusb" to "_features" # edit PKGBUILD, add "cmsis-dap hidapi-libusb" to "_features"
@ -97,12 +97,6 @@ Although this refers to setting up the SAMR21, this guide is still very
helpful to understanding how to set up a solid RIOT development environment for helpful to understanding how to set up a solid RIOT development environment for
the SAMD21: http://watr.li/samr21-dev-setup-ubuntu.html the SAMD21: http://watr.li/samr21-dev-setup-ubuntu.html
## Supported Toolchains
For using the samd21-xpro board we strongly recommend the usage of the
[GNU Tools for ARM Embedded Processors](https://launchpad.net/gcc-arm-embedded)
toolchain.
## Known Issues / Problems ## Known Issues / Problems
*/ */