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commit 7e9bd5448f99347bfab2dbd0f6964e65c0830c57 Author: raiden00pl <[email protected]> AuthorDate: Thu Sep 24 15:32:29 2026 +0200 arm/nrf52,nrf53: fix SAADC channel limit register value CHLIMIT was written with (limith < 16) | limith, which put the high limit into the low field and a boolean into bit 0. Shift the high limit to bits 16-31 and the low limit to bits 0-15. Assisted-by: Claude Code Signed-off-by: raiden00pl <[email protected]> --- arch/arm/src/nrf52/nrf52_adc.c | 2 +- arch/arm/src/nrf53/nrf53_adc.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/src/nrf52/nrf52_adc.c b/arch/arm/src/nrf52/nrf52_adc.c index deaac22e33b..c03977a780d 100644 --- a/arch/arm/src/nrf52/nrf52_adc.c +++ b/arch/arm/src/nrf52/nrf52_adc.c @@ -767,7 +767,7 @@ static int nrf52_adc_chancfg(struct nrf52_adc_s *priv, uint8_t chan, #ifdef CONFIG_NRF52_SAADC_LIMITS /* Configure limits */ - regval = (cfg->limith < 16) | (cfg->limith << 0); + regval = ((uint32_t)cfg->limith << 16) | ((uint32_t)cfg->limitl << 0); nrf52_adc_putreg(priv, NRF52_SAADC_CHLIMIT_OFFSET(chan), regval); #endif diff --git a/arch/arm/src/nrf53/nrf53_adc.c b/arch/arm/src/nrf53/nrf53_adc.c index 289b67e1b35..2ba7c3f59ca 100644 --- a/arch/arm/src/nrf53/nrf53_adc.c +++ b/arch/arm/src/nrf53/nrf53_adc.c @@ -670,7 +670,7 @@ static int nrf53_adc_chancfg(struct nrf53_adc_s *priv, uint8_t chan, #ifdef CONFIG_NRF53_SAADC_LIMITS /* Configure limits */ - regval = (cfg->limith < 16) | (cfg->limith << 0); + regval = ((uint32_t)cfg->limith << 16) | ((uint32_t)cfg->limitl << 0); nrf53_adc_putreg(priv, NRF53_SAADC_CHLIMIT_OFFSET(chan), regval); #endif
