samples: drivers: dac: add support for twr_ke18f board (280e3fa9) · Commits · Wenxi XU / zephyr

samples/drivers/dac/README.rst

+24 −2

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		@@ -13,7 +13,30 @@ Building and Running

		The DAC output is defined in the board's devicetree and pinmux file.

		Only board nucleo_l073rz is supported for now.
		Building and Running for ST Nucleo L073RZ
		=========================================
		The sample can be built and executed for the
		:ref:`nucleo_l073rz_board` as follows:

		.. zephyr-app-commands::
		:zephyr-app: samples/drivers/dac
		:board: nucleo_l073rz
		:goals: build flash
		:compact:

		Building and Running for NXP TWR-KE18F
		======================================
		The sample can be built and executed for the :ref:`twr_ke18f` as
		follows:

		.. zephyr-app-commands::
		:zephyr-app: samples/drivers/dac
		:board: twr_ke18f
		:goals: build flash
		:compact:

		DAC output is available on pin A32 of the primary TWR elevator
		connector.

		Sample output
		=============
		@@ -26,7 +49,6 @@ The following output is printed:

		.. code-block:: console

		DAC internal reference voltage: 3300 mV
		Generating sawtooth signal at DAC channel 1.

		.. note:: If the DAC is not supported, the output will be an error message.

+1 −0

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		@@ -3,6 +3,7 @@ sample:
		tests:
		sample.drivers.dac:
		tags: DAC
		platform_whitelist: nucleo_l073rz twr_ke18f
		depends_on: dac
		harness: console
		harness_config:

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		@@ -8,9 +8,17 @@
		#include <sys/printk.h>
		#include <drivers/dac.h>

		#if defined(CONFIG_BOARD_NUCLEO_L073RZ)
		#define DAC_DEVICE_NAME DT_LABEL(DT_ALIAS(dac1))
		#define DAC_CHANNEL_ID 1
		#define DAC_RESOLUTION 12
		#elif defined(CONFIG_BOARD_TWR_KE18F)
		#define DAC_DEVICE_NAME DT_LABEL(DT_NODELABEL(dac0))
		#define DAC_CHANNEL_ID 0
		#define DAC_RESOLUTION 12
		#else
		#error "Unsupported board."
		#endif

		static const struct dac_channel_cfg dac_ch_cfg = {
		.channel_id = DAC_CHANNEL_ID,