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SAMD51: change of DAC power setting

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Fixes wrong DAC output levels at high data rate
closes adafruit#3796
This commit is contained in:
Uwe Gartmann 2020-12-25 17:53:43 +01:00 committed by GitHub
parent a1e3ab1293
commit 2729666d82
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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4
ports/atmel-samd/common-hal/audioio/AudioOut.c
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@ -197,7 +197,7 @@ void common_hal_audioio_audioout_construct(audioio_audioout_obj_t* self,
#endif
#ifdef SAM_D5X_E5X
DAC->EVCTRL.reg |= DAC_EVCTRL_STARTEI0;
DAC->DACCTRL[0].reg = DAC_DACCTRL_CCTRL_CC100K |
DAC->DACCTRL[0].reg = DAC_DACCTRL_CCTRL_CC12M |
DAC_DACCTRL_ENABLE |
DAC_DACCTRL_LEFTADJ;
DAC->CTRLB.reg = DAC_CTRLB_REFSEL_VREFPU;
@ -206,7 +206,7 @@ void common_hal_audioio_audioout_construct(audioio_audioout_obj_t* self,
#ifdef SAM_D5X_E5X
if (channel1_enabled) {
DAC->EVCTRL.reg |= DAC_EVCTRL_STARTEI1;
DAC->DACCTRL[1].reg = DAC_DACCTRL_CCTRL_CC100K |
DAC->DACCTRL[1].reg = DAC_DACCTRL_CCTRL_CC12M |
DAC_DACCTRL_ENABLE |
DAC_DACCTRL_LEFTADJ;
DAC->CTRLB.reg = DAC_CTRLB_REFSEL_VREFPU;