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drivers: adc: iadc_gecko: fix sample bits reading

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The current driver initializes the IADC with the default configuration
(IADC_INITSINGLE_DEFAULT), which aligns the data to the right.
To correctly read the 12-bit sample, it should be masked from the right
instead.

Signed-off-by: Paulo Santos <pauloroberto.santos@edge.ufal.br>
This commit is contained in:
Paulo Santos 2024-01-09 13:58:06 -03:00 committed by Anas Nashif
parent 400cdcaca4
commit 92af172159
1 changed files with 1 additions and 1 deletions
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2
drivers/adc/iadc_gecko.c
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@ -20,7 +20,7 @@ LOG_MODULE_REGISTER(iadc_gecko, CONFIG_ADC_LOG_LEVEL);
/* Number of channels available. */ /* Number of channels available. */
#define GECKO_CHANNEL_COUNT 16 #define GECKO_CHANNEL_COUNT 16
#define GECKO_INTERNAL_REFERENCE_mV 1210 #define GECKO_INTERNAL_REFERENCE_mV 1210
#define GECKO_DATA_RES12BIT(DATA) ((DATA & 0xFFF0) >> 4); #define GECKO_DATA_RES12BIT(DATA) ((DATA) & 0x0FFF)
struct adc_gecko_channel_config { struct adc_gecko_channel_config {
IADC_CfgAnalogGain_t gain; IADC_CfgAnalogGain_t gain;