Ted: furthering notes on Zephyr + Sparkfun Thing Plus DTS files.

2021-08-05T23:16:56Z

furthering notes on Zephyr + Sparkfun Thing Plus DTS files.

Ted: starting notes page on DTS files.

2021-08-05T23:13:19Z

starting notes page on DTS files.

New page

Building Zephyr blinky example to run on Sparkfun / CircuitDojo nRF9160 Thing Plus board, the parent most Device Tree Source (DTS) file is, on our local VM host:

"/usr/local/share/ncs/v1.4.1/zephyr/boards/arm/circuitdojo_feather_nrf9160/circuitdojo_feather_nrf9160.dts"

<i>File in full - circuitdojo_feather_nrf9160.dts:</i>

<pre>
/*
* Copyright (c) 2018-2020 Nordic Semiconductor ASA
* Copyright (c) 2020 Circuit Dojo LLC
*
* SPDX-License-Identifier: Apache-2.0
*/

/dts-v1/;
#include <nordic/nrf9160_sica.dtsi>
#include "circuitdojo_feather_nrf9160_common.dts"

/ {
chosen {
zephyr,sram = &sram0_s;
zephyr,flash = &flash0;
zephyr,code-partition = &slot0_partition;
zephyr,sram-secure-partition = &sram0_s;
zephyr,sram-non-secure-partition = &sram0_ns;
};
};
</pre>

This file in turn includes two more DTS files. Their content is . . .

{| class="wikitable"
|- 
| style="vertical-align: top;" |
<pre>
a
</pre>
| style="vertical-align: top;" |
<pre>
b
</pre>
|}

@@ Line 1: / Line 1: @@
-Building Zephyr blinky example to run on Sparkfun / CircuitDojo nRF9160 Thing Plus board, the parent most Device Tree Source (DTS) file is, on our local VM host:
+Building Zephyr blinky example to run on Sparkfun / CircuitDojo nRF9160 Thing Plus board, the parent most Device Tree Source (DTS) file is, on our local VM host.  We located this file mentioned in the blinky project's <code>build</code> directory, <code>build/CMakeCache.txt</code>, where <code>cmake</code> stores many build time messages and details:
     "/usr/local/share/ncs/v1.4.1/zephyr/boards/arm/circuitdojo_feather_nrf9160/circuitdojo_feather_nrf9160.dts"
@@ Line 34: / Line 34: @@
 | style="vertical-align: top;" |
 <pre>
+/*
 </pre>
 | style="vertical-align: top;" |

Device tree source files - Revision history

Ted: furthering notes on Zephyr + Sparkfun Thing Plus DTS files.

Ted: starting notes page on DTS files.