mirror of
https://github.com/mytechnotalent/Embedded-Hacking.git
synced 2026-08-18 08:57:26 +02:00
Kevin Thomas
7a42b2e088
- PWM slice 4, channel B on GPIO25 (onboard LED) - Duty cycle sweep 0-100% in 5% steps for breathing effect - Wrap 9999 with no clock division (~650 Hz from ROSC) - UART reports each duty step - 1390B FLASH, 11 source files, zero warnings
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/**
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******************************************************************************
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* @file rp2350_led.h
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* @author Kevin Thomas
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* @brief LED driver header for RP2350.
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*
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* High-level GPIO output / LED driver wrapping the
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* low-level GPIO functions.
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*
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2026 Kevin Thomas.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#ifndef __RP2350_LED_H
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#define __RP2350_LED_H
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#include "rp2350.h"
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/**
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* @brief Initialize a GPIO pin as a push-pull digital output.
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* @param pin GPIO pin number to configure
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* @retval None
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*/
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void led_init(uint32_t pin);
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/**
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* @brief Drive the output pin high (LED on).
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* @param pin GPIO pin number
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* @retval None
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*/
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void led_on(uint32_t pin);
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/**
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* @brief Drive the output pin low (LED off).
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* @param pin GPIO pin number
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* @retval None
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*/
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void led_off(uint32_t pin);
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/**
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* @brief Toggle the current state of the output pin.
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* @param pin GPIO pin number
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* @retval None
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*/
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void led_toggle(uint32_t pin);
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/**
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* @brief Query the current drive state of the output pin.
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* @param pin GPIO pin number
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* @retval bool true if the pin is driven high, false if low
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*/
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bool led_get_state(uint32_t pin);
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#endif /* __RP2350_LED_H */
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