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samples: driver: adc: Add ESP32 boards support files

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Add example code to cover single-shot ADC for ESP32, S2, C3 chips.

Signed-off-by: Marek Matej <marek.matej@espressif.com>
This commit is contained in:
Marek Matej 2022-11-01 21:35:42 +01:00 • committed by Fabio Baltieri
commit 4a64919c36
5 changed files with 130 additions and 7 deletions
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7
samples/drivers/adc/boards/esp32.conf
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@ -1,7 +0,0 @@
#CONFIG_SHELL=y
#CONFIG_LOG=y
#CONFIG_ADC_ESP32=y
#CONFIG_LOG_MODE_DEFERRED=y
#CONFIG_LOG_MODE_MINIMAL=y
#CONFIG_ADC_LOG_LEVEL_DBG=y

43
samples/drivers/adc/boards/esp32.overlay Normal file
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@ -0,0 +1,43 @@
/*
* Copyright (c) 2022 Wolter HV <wolterhv@gmx.de>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/dt-bindings/adc/adc.h>
/ {
zephyr,user {
io-channels =
<&adc0 0>,
<&adc1 0>;
};
};
&adc0 {
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0>;
zephyr,gain = "ADC_GAIN_1_4";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
};
};
&adc1 {
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0>;
zephyr,gain = "ADC_GAIN_1_4";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
};
};

43
samples/drivers/adc/boards/esp32c3_devkitm.overlay Normal file
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@ -0,0 +1,43 @@
/*
* Copyright (c) 2022 Wolter HV <wolterhv@gmx.de>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/dt-bindings/adc/adc.h>
/ {
zephyr,user {
io-channels =
<&adc0 0>,
<&adc1 0>;
};
};
&adc0 {
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0>;
zephyr,gain = "ADC_GAIN_1_4";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
};
};
&adc1 {
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0>;
zephyr,gain = "ADC_GAIN_1_4";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
};
};

43
samples/drivers/adc/boards/esp32s2_saola.overlay Normal file
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@ -0,0 +1,43 @@
/*
* Copyright (c) 2022 Wolter HV <wolterhv@gmx.de>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/dt-bindings/adc/adc.h>
/ {
zephyr,user {
io-channels =
<&adc0 0>,
<&adc1 0>;
};
};
&adc0 {
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0>;
zephyr,gain = "ADC_GAIN_1_4";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <13>;
};
};
&adc1 {
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0>;
zephyr,gain = "ADC_GAIN_1_4";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <13>;
};
};

1
samples/drivers/adc/sample.yaml
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@ -7,6 +7,7 @@ tests:
platform_allow: nucleo_l073rz disco_l475_iot1 cc3220sf_launchxl
cc3235sf_launchxl stm32l496g_disco nrf51dk_nrf51422 nrf52840dk_nrf52840
mec172xevb_assy6906 gd32f350r_eval gd32f450i_eval gd32vf103v_eval gd32f403z_eval
esp32 esp32s2_saola esp32c3_devkitm
integration_platforms:
- nucleo_l073rz
- nrf52840dk_nrf52840