kaspar/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2025-12-18 02:53:52 +01:00
Code Releases Activity

boards/same54-xpro: default to internal voltage reference for DAC

Browse Source 
Using the external reference produces no output when no voltage is
connected, which makes for a confusing non-functional DAC on the eval
board.
This commit is contained in:
Benjamin Valentin 2025-06-10 19:35:11 +02:00
parent d86b75a4a6
commit 22cdbdeaa3
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
boards/same54-xpro/include/periph_conf.h
View File

@ -377,10 +377,10 @@ static const adc_conf_chan_t adc_channels[] = {
*/ */
/* Must not exceed 12 MHz */ /* Must not exceed 12 MHz */
#define DAC_CLOCK SAM0_GCLK_TIMER #define DAC_CLOCK SAM0_GCLK_TIMER
/* Use external reference voltage on PA03 */ #ifndef DAC_VREF
/* (You have to manually connect PA03 with Vcc) */
/* Internal reference only gives 1V */ /* Internal reference only gives 1V */
#define DAC_VREF DAC_CTRLB_REFSEL_VREFPU #define DAC_VREF DAC_CTRLB_REFSEL_INTREF
#endif
/** @} */ /** @} */
/** /**