7#ifndef _HARDWARE_GPIO_H_
8#define _HARDWARE_GPIO_H_
35enum gpio_drive_strength {
45#define NUM_BANK0_GPIOS 30
155#ifndef PICO_DEBUG_PIN_BASE
156#define PICO_DEBUG_PIN_BASE 19u
160#define CU_REGISTER_DEBUG_PINS(p, ...)
161#define CU_SELECT_DEBUG_PINS(x)
162#define DEBUG_PINS_ENABLED(p) false
164#define DEBUG_PINS_SET(p, v) ((void)0)
165#define DEBUG_PINS_CLR(p, v) ((void)0)
166#define DEBUG_PINS_XOR(p, v) ((void)0)
168void gpio_debug_pins_init();
void gpio_set_drive_strength(uint gpio, enum gpio_drive_strength drive)
Set drive strength for a specified GPIO.
Definition: gpio.c:62
enum gpio_drive_strength gpio_get_drive_strength(uint gpio)
Determine current slew rate for a specified GPIO.
Definition: gpio.c:66
void gpio_set_input_hysteresis_enabled(uint gpio, bool enabled)
Enable/disable GPIO input hysteresis (Schmitt trigger)
Definition: gpio.c:46
void gpio_set_oeover(uint gpio, uint value)
Select GPIO output enable override.
Definition: gpio.c:42
void gpio_init_mask(uint gpio_mask)
Initialise multiple GPIOs (enabled I/O and set func to GPIO_FUNC_SIO)
Definition: gpio.c:145
static void gpio_pull_up(uint gpio)
Set specified GPIO to be pulled up.
Definition: gpio.h:206
enum gpio_slew_rate gpio_get_slew_rate(uint gpio)
Determine current slew rate for a specified GPIO.
Definition: gpio.c:58
static void gpio_set_dir_all_bits(uint32_t values)
Set direction of all pins simultaneously.
Definition: gpio.h:582
void gpio_set_inover(uint gpio, uint value)
Select GPIO input override.
Definition: gpio.c:38
static void gpio_xor_mask(uint32_t mask)
Toggle every GPIO appearing in mask.
Definition: gpio.h:476
static void gpio_set_dir(uint gpio, bool out)
Set a single GPIO direction.
Definition: gpio.h:592
static void gpio_clr_mask(uint32_t mask)
Drive low every GPIO appearing in mask.
Definition: gpio.h:467
static void gpio_put(uint gpio, bool value)
Drive a single GPIO high/low.
Definition: gpio.h:510
void gpio_set_input_enabled(uint gpio, bool enabled)
Enable GPIO input.
Definition: gpio.c:141
static void gpio_set_dir_in_masked(uint32_t mask)
Set a number of GPIOs to input.
Definition: gpio.h:558
static void gpio_put_all(uint32_t value)
Drive all pins simultaneously.
Definition: gpio.h:500
static void gpio_set_dir_out_masked(uint32_t mask)
Set a number of GPIOs to output.
Definition: gpio.h:549
void gpio_set_outover(uint gpio, uint value)
Set GPIO output override.
Definition: gpio.c:34
void gpio_init(uint gpio)
Initialise a GPIO for (enabled I/O and set func to GPIO_FUNC_SIO)
Definition: gpio.c:79
void gpio_set_irqover(uint gpio, uint value)
Set GPIO IRQ override.
Definition: gpio.c:30
static void gpio_set_dir_masked(uint32_t mask, uint32_t value)
Set multiple GPIO directions.
Definition: gpio.h:573
void gpio_set_function(uint gpio, enum gpio_function fn)
Select GPIO function.
Definition: gpio.c:10
void gpio_set_pulls(uint gpio, bool up, bool down)
Select up and down pulls on specific GPIO.
Definition: gpio.c:26
enum gpio_function gpio_get_function(uint gpio)
Determine current GPIO function.
Definition: gpio.c:44
bool gpio_is_input_hysteresis_enabled(uint gpio)
Determine whether input hysteresis is enabled on a specified GPIO.
Definition: gpio.c:50
static void gpio_put_masked(uint32_t mask, uint32_t value)
Drive GPIO high/low depending on parameters.
Definition: gpio.h:491
static void gpio_disable_pulls(uint gpio)
Disable pulls on specified GPIO.
Definition: gpio.h:244
static uint32_t gpio_get_all(void)
Get raw value of all GPIOs.
Definition: gpio.h:445
static void gpio_pull_down(uint gpio)
Set specified GPIO to be pulled down.
Definition: gpio.h:225
void gpio_set_slew_rate(uint gpio, enum gpio_slew_rate slew)
Set slew rate for a specified GPIO.
Definition: gpio.c:54
static bool gpio_get(uint gpio)
Get state of a single specified GPIO.
Definition: gpio.h:436
static void gpio_set_mask(uint32_t mask)
Drive high every GPIO appearing in mask.
Definition: gpio.h:458
@ GPIO_DRIVE_STRENGTH_2MA
2 mA nominal drive strength
Definition: gpio.h:36
@ GPIO_DRIVE_STRENGTH_8MA
8 mA nominal drive strength
Definition: gpio.h:38
@ GPIO_DRIVE_STRENGTH_12MA
12 mA nominal drive strength
Definition: gpio.h:39
@ GPIO_DRIVE_STRENGTH_4MA
4 mA nominal drive strength
Definition: gpio.h:37
@ GPIO_SLEW_RATE_FAST
Slew rate limiting disabled.
Definition: gpio.h:32
@ GPIO_SLEW_RATE_SLOW
Slew rate limiting enabled.
Definition: gpio.h:31