From 0642bc895acc593d34ec3a5e852f4ee08ba29e36 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Tue, 13 Apr 2021 00:10:01 -0700 Subject: [PATCH] Decrease ADC clock to pclk/4 (12MHz) ADC isn't supposed to run faster than 14MHz Signed-off-by: Keith Packard --- src/stmf0/ao_adc_stm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/stmf0/ao_adc_stm.c b/src/stmf0/ao_adc_stm.c index 4ba99ad7..b276c487 100644 --- a/src/stmf0/ao_adc_stm.c +++ b/src/stmf0/ao_adc_stm.c @@ -285,7 +285,7 @@ ao_adc_init(void) (1 << STM_ADC_CFGR1_DMAEN)); /* enable DMA */ /* Set the clock */ - stm_adc.cfgr2 = STM_ADC_CFGR2_CKMODE_PCLK_2 << STM_ADC_CFGR2_CKMODE; + stm_adc.cfgr2 = STM_ADC_CFGR2_CKMODE_PCLK_4 << STM_ADC_CFGR2_CKMODE; /* Shortest sample time */ stm_adc.smpr = STM_ADC_SMPR_SMP_239_5 << STM_ADC_SMPR_SMP; -- 2.47.2