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samples: adc: Change atmel samv71 adc reference

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Changed reference to ADC_REF_EXTERNAL0 as it is the only value supported
by current driver implementation and 3v3 external reference is connected
on the board.

Signed-off-by: Dhanesh S R <sr.dhanesh@protonmail.com>
This commit is contained in:
Dhanesh S R 2025-03-07 03:42:59 +05:30 • committed by Benjamin Cabé
commit 3f2f6ae3fc
2 changed files with 8 additions and 4 deletions
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6
samples/drivers/adc/adc_dt/boards/sam_v71_xult_samv71q21.overlay
View file

@ -18,7 +18,8 @@
channel@0 { channel@0 {
reg = <0>; reg = <0>;
zephyr,gain = "ADC_GAIN_1"; zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL"; zephyr,reference = "ADC_REF_EXTERNAL0";
zephyr,vref-mv = <3300>;
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>; zephyr,resolution = <12>;
}; };
@ -26,7 +27,8 @@
channel@8 { channel@8 {
reg = <8>; reg = <8>;
zephyr,gain = "ADC_GAIN_1"; zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL"; zephyr,reference = "ADC_REF_EXTERNAL0";
zephyr,vref-mv = <3300>;
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>; zephyr,resolution = <12>;
}; };

6
samples/drivers/adc/adc_sequence/boards/sam_v71_xult_samv71q21.overlay
View file

@ -17,14 +17,16 @@
channel@0 { channel@0 {
reg = <0>; reg = <0>;
zephyr,gain = "ADC_GAIN_1"; zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL"; zephyr,reference = "ADC_REF_EXTERNAL0";
zephyr,vref-mv = <3300>;
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
}; };
channel@8 { channel@8 {
reg = <8>; reg = <8>;
zephyr,gain = "ADC_GAIN_1"; zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL"; zephyr,reference = "ADC_REF_EXTERNAL0";
zephyr,vref-mv = <3300>;
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
}; };
}; };