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fix(adc): fix ESP32-P4 ADC2 wrong channel num

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gaoxu
2026-02-03 16:51:43 +08:00
committed by Gao Xu
parent 96044a4442
commit c009533e8c
1 changed files with 2 additions and 1 deletions
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components/hal/esp32p4/include/hal/adc_ll.h
+2 -1
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@@ -353,13 +353,14 @@ static inline void adc_ll_digi_set_pattern_table(adc_unit_t adc_n, uint32_t patt
uint8_t offset = (pattern_index % 4) * 6;
adc_ll_digi_pattern_table_t pattern = {0};
pattern.val = (table.atten & 0x3) | ((table.channel & 0xF) << 2);
if (table.unit == ADC_UNIT_1){
pattern.val = (table.atten & 0x3) | ((table.channel & 0xF) << 2);
tab = ADC.sar1_patt_tab[index].sar1_patt_tab; //Read old register value
tab &= (~(0xFC0000 >> offset)); //Clear old data
tab |= ((uint32_t)(pattern.val & 0x3F) << 18) >> offset; //Fill in the new data
ADC.sar1_patt_tab[index].sar1_patt_tab = tab; //Write back
} else {
pattern.val = (table.atten & 0x3) | (((table.channel + 2) & 0xF) << 2);
tab = ADC.sar2_patt_tab[index].sar2_patt_tab; //Read old register value
tab &= (~(0xFC0000 >> offset)); //clear old data
tab |= ((uint32_t)(pattern.val & 0x3F) << 18) >> offset; //Fill in the new data