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Minor additions to PIO documentation (#831)

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Graham Sanderson 2022-05-17 13:04:38 -05:00 committed by GitHub
parent 658a21b946
commit b2ad632c24
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1 changed files with 7 additions and 4 deletions
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11
src/rp2_common/hardware_pio/include/hardware/pio.h
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@ -95,6 +95,9 @@ typedef pio_hw_t *PIO;
/** \brief PIO Configuration structure
* \ingroup sm_config
*
* This structure is an in-memory representation of the configuration that can be applied to a PIO
* state machine later using pio_sm_set_config() or pio_sm_init().
*/
typedef struct {
uint32_t clkdiv;
@ -902,7 +905,7 @@ static inline void pio_sm_set_wrap(PIO pio, uint sm, uint wrap_target, uint wrap
}
/*! \brief Set the current 'out' pins for a state machine
* \ingroup sm_config
* \ingroup hardware_pio
*
* Can overlap with the 'in', 'set' and 'sideset' pins
*
@ -923,7 +926,7 @@ static inline void pio_sm_set_out_pins(PIO pio, uint sm, uint out_base, uint out
/*! \brief Set the current 'set' pins for a state machine
* \ingroup sm_config
* \ingroup hardware_pio
*
* Can overlap with the 'in', 'out' and 'sideset' pins
*
@ -943,7 +946,7 @@ static inline void pio_sm_set_set_pins(PIO pio, uint sm, uint set_base, uint set
}
/*! \brief Set the current 'in' pins for a state machine
* \ingroup sm_config
* \ingroup hardware_pio
*
* Can overlap with the 'out', 'set' and 'sideset' pins
*
@ -960,7 +963,7 @@ static inline void pio_sm_set_in_pins(PIO pio, uint sm, uint in_base) {
}
/*! \brief Set the current 'sideset' pins for a state machine
* \ingroup sm_config
* \ingroup hardware_pio
*
* Can overlap with the 'in', 'out' and 'set' pins
*