mirror of
https://github.com/mytechnotalent/Embedded-Hacking.git
synced 2026-05-22 15:39:39 +02:00
Kevin Thomas
64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/**
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* @file main.c
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* @brief Blink demonstration: toggle onboard LED every 500 ms.
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* @author Kevin Thomas
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* @date 2026
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*
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* Demonstrates GPIO output control using the blink driver.
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* The onboard LED on GPIO 25 is toggled every 500 ms and the
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* current state is reported over UART.
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*
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* MIT License
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*
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* Copyright (c) 2026 Kevin Thomas
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "rp2350_led.h"
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#include "rp2350_uart.h"
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#include "rp2350_delay.h"
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/** @brief Delay between LED state toggles in milliseconds */
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#define BLINK_DELAY_MS 500
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/**
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* @brief Print the current LED state over UART.
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* @param pin GPIO pin number to query
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* @retval None
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*/
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static void print_led_state(uint32_t pin)
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{
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if (led_get_state(pin))
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uart_puts("LED: ON\r\n");
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else
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uart_puts("LED: OFF\r\n");
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}
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int main(void)
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{
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led_init(LED_PIN);
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uart_puts("LED driver initialized on GPIO 25\r\n");
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while (1)
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{
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led_toggle(LED_PIN);
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print_led_state(LED_PIN);
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delay_ms(BLINK_DELAY_MS);
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}
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}
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