gpio_bl61x_wo.h File Reference

Bouffalolab BL61x GPIO FIFO / Wire Out device-specific API extension. More...

#include <zephyr/drivers/gpio.h>
#include <zephyr/sys/util_macro.h>

Go to the source code of this file.

Data Structures
struct	bl61x_wo_config
	Structure holding the configuration for the GPIO FIFO pulse width, polarity, and pins. More...

Macros
#define	BL61X_WO_PIN_CNT   16
	Maximum number of pin toggled at the same time.

Typedefs
typedef void(*	bl61x_wo_callback_t) (void *user_data)
	Callback type used to inform user async write has completed.

Functions
uint16_t	bl61x_wo_frequency_to_cycles (const uint32_t frequency, const bool exact)
	Convert a frequency to WO clock cycles.
uint16_t	bl61x_wo_time_to_cycles (const uint32_t time, const bool exact)
	Convert a time to WO clock cycles.
int	bl61x_wo_configure (const struct bl61x_wo_config *const config, const uint8_t *pins, const gpio_flags_t *flags, const size_t pin_cnt)
	Configure GPIO FIFO.
int	bl61x_wo_configure_dt (const struct bl61x_wo_config *const config, const struct gpio_dt_spec *pins, const size_t pin_cnt)
	Configure GPIO FIFO using devicetree.
int	bl61x_wo_write (const uint16_t *const data, const size_t len)
	Write to GPIO FIFO.
int	bl61x_wo_write_async (const uint16_t *const data, const size_t len, bl61x_wo_callback_t cb, void *user_data)
	Write to GPIO FIFO Asynchronously.

Detailed Description

Bouffalolab BL61x GPIO FIFO / Wire Out device-specific API extension.