pinmux.h File Reference

SAM Pin Multiplexer Driver.

Copyright (c) 2012-2020 Microchip Technology Inc. and its subsidiaries.

#include <compiler.h>

Data Structures
struct	system_pinmux_config
	Port pin configuration structure. More...

Macros
#define	FEATURE_SYSTEM_PINMUX_DRIVE_STRENGTH
	Output Driver Strength Selection feature support. More...
#define	SYSTEM_PINMUX_GPIO   (1 << 7)
	Peripheral multiplexer index to select GPIO mode for a pin. More...

Enumerations
enum	system_pinmux_pin_dir {   SYSTEM_PINMUX_PIN_DIR_INPUT,   SYSTEM_PINMUX_PIN_DIR_OUTPUT,   SYSTEM_PINMUX_PIN_DIR_OUTPUT_WITH_READBACK }
	Port pin direction configuration enum. More...
enum	system_pinmux_pin_pull {   SYSTEM_PINMUX_PIN_PULL_NONE,   SYSTEM_PINMUX_PIN_PULL_UP,   SYSTEM_PINMUX_PIN_PULL_DOWN }
	Port pin input pull configuration enum. More...
enum	system_pinmux_pin_sample {   SYSTEM_PINMUX_PIN_SAMPLE_CONTINUOUS,   SYSTEM_PINMUX_PIN_SAMPLE_ONDEMAND }
	Port pin digital input sampling mode enum. More...
enum	system_pinmux_pin_strength {   SYSTEM_PINMUX_PIN_STRENGTH_NORMAL,   SYSTEM_PINMUX_PIN_STRENGTH_HIGH }
	Port pin drive output strength enum. More...

Functions
void	system_pinmux_group_set_output_strength (PortGroup *const port, const uint32_t mask, const enum system_pinmux_pin_strength mode)
static void	system_pinmux_pin_set_output_strength (const uint8_t gpio_pin, const enum system_pinmux_pin_strength mode)
	Configures the output driver strength mode for a GPIO pin. More...
Configuration and Initialization
static void	system_pinmux_get_config_defaults (struct system_pinmux_config *const config)
	Initializes a Port pin configuration structure to defaults. More...
void	system_pinmux_pin_set_config (const uint8_t gpio_pin, const struct system_pinmux_config *const config)
	Writes a Port pin configuration to the hardware module. More...
void	system_pinmux_group_set_config (PortGroup *const port, const uint32_t mask, const struct system_pinmux_config *const config)
	Writes a Port pin group configuration to the hardware module. More...
Special Mode Configuration (Physical Group Orientated)
static PortGroup *	system_pinmux_get_group_from_gpio_pin (const uint8_t gpio_pin)
	Retrieves the PORT module group instance from a given GPIO pin number. More...
void	system_pinmux_group_set_input_sample_mode (PortGroup *const port, const uint32_t mask, const enum system_pinmux_pin_sample mode)
	Configures the input sampling mode for a group of pins. More...
Special Mode Configuration (Logical Pin Orientated)
static uint8_t	system_pinmux_pin_get_mux_position (const uint8_t gpio_pin)
	Retrieves the currently selected MUX position of a logical pin. More...
static void	system_pinmux_pin_set_input_sample_mode (const uint8_t gpio_pin, const enum system_pinmux_pin_sample mode)
	Configures the input sampling mode for a GPIO pin. More...