Fixes #3193: Add pio_sm_get_enabled #3194

2026-09-11T16:09:01-05:00

badcf00d commented

2026-09-11 16:09:01 -05:00

(Migrated from github.com)

Adds a little helper function to check if a PIO state machine is enabled

lurch (Migrated from github.com) reviewed

2026-09-14 03:20:44 -05:00

src/rp2_common/hardware_pio/include/hardware/pio.h

					
				@ -1098,6 +1098,19 @@ static inline void pio_sm_set_enabled(PIO pio, uint sm, bool enabled) {

				    pio->ctrl = (pio->ctrl & ~(1u << sm)) | (bool_to_bit(enabled) << sm);

 * \return true if the state machine is enabled

```suggestion * \return true if the state machine is enabled ```

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				`@ -1098,6 +1098,19 @@ static inline void pio_sm_set_enabled(PIO pio, uint sm, bool enabled) {`
				`pio->ctrl = (pio->ctrl & ~(1u << sm)) \| (bool_to_bit(enabled) << sm);`

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