pio_rpi_pico.h File Reference

Header file for Raspberry Pi Pico PIO driver. More...

#include <zephyr/devicetree/gpio.h>
#include <hardware/pio.h>

Go to the source code of this file.

Macros
#define	RPI_PICO_PIO_DEFINE_PROGRAM(name, wrap_target, wrap, ...)
	Utility macro to define a PIO program.
#define	RPI_PICO_PIO_GET_WRAP_TARGET(name)   name ## _wrap_target
	Utility macro to get the wrap target of a program.
#define	RPI_PICO_PIO_GET_WRAP(name)   name ## _wrap
	Utility macro to get the wrap source of a program.
#define	RPI_PICO_PIO_GET_PROGRAM(name)   &name ## _program
	Utility macro to get a pointer to a PIO program.
#define	DT_RPI_PICO_PIO_PIN_BY_NAME(node_id, p_name, p_idx, g_name, g_idx)
	Get a pin number from a pinctrl / group name and index.
#define	DT_INST_RPI_PICO_PIO_PIN_BY_NAME(inst, p_name, p_idx, g_name, g_idx)    DT_RPI_PICO_PIO_PIN_BY_NAME(DT_DRV_INST(inst), p_name, p_idx, g_name, g_idx)
	Get a pin number from a pinctrl / group name and index.
#define	DT_INST_PIO_PIN_BY_NAME(inst, name)    DT_PIO_PIN_BY_NAME(DT_DRV_INST(inst), name)
	Get the pin number of a pin by its name.

Functions
PIO	pio_rpi_pico_get_pio (const struct device *dev)
	Get PIO object.
int	pio_rpi_pico_allocate_sm (const struct device *dev, size_t *sm)
	Allocate a state machine.

Detailed Description

Header file for Raspberry Pi Pico PIO driver.