diff options
Diffstat (limited to 'libhw/rp2040_gpioirq.h')
| -rw-r--r-- | libhw/rp2040_gpioirq.h | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/libhw/rp2040_gpioirq.h b/libhw/rp2040_gpioirq.h deleted file mode 100644 index 06041c9..0000000 --- a/libhw/rp2040_gpioirq.h +++ /dev/null @@ -1,33 +0,0 @@ -/* libhw/rp2040_gpioirq.h - Utilities for sharing the GPIO IRQ (IO_IRQ_BANK0) - * - * Copyright (C) 2025 Luke T. Shumaker <lukeshu@lukeshu.com> - * SPDX-License-Identifier: AGPL-3.0-or-later - */ - -#ifndef _LIBHW_RP2040_GPIOIRQ_H_ -#define _LIBHW_RP2040_GPIOIRQ_H_ - -#include <hardware/gpio.h> /* for enum gpio_irq_level */ - -typedef void (*gpioirq_handler_t)(void *arg, uint gpio, enum gpio_irq_level event); - -/** - * Register `fn(arg, ...)` to be called when `event` fires on GPIO pin - * `gpio`. - * - * If multiple events happen close together, the handlers will not - * necessarily be called in-order. - * - * Your handler does not need to acknowledge the IRQ; that will be - * done for you after your handler is called. - * - * It is illegal to call gpioirq_set_and_enable_exclusive_handler() - * on multiple cores. - * - * This is better than the Pico-SDK <hardware/gpio.h> IRQ functions - * because their functions call the handlers for every event, and it - * is up to you to de-mux them in your handler. - */ -void gpioirq_set_and_enable_exclusive_handler(uint gpio, enum gpio_irq_level event, gpioirq_handler_t fn, void *arg); - -#endif /* _LIBHW_RP2040_GPIOIRQ_H_ */ |