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4 changes: 2 additions & 2 deletions src/rp2_common/hardware_pio/include/hardware/pio.h
Original file line number Diff line number Diff line change
Expand Up @@ -115,9 +115,9 @@ typedef pio_hw_t *PIO;
#define pio1 pio1_hw

#if NUM_PIOS > 2
/** Identifier for the second (PIO 1) hardware PIO instance (for use in PIO functions).
/** Identifier for the third (PIO 2) hardware PIO instance (for use in PIO functions).
*
* e.g. pio_gpio_init(pio1, 5)
* e.g. pio_gpio_init(pio2, 5)
*
* \ingroup hardware_pio
*/
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