mirror of
https://github.com/mytechnotalent/Embedded-Hacking.git
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Kevin Thomas
c46bcba401
Public function docstrings belong exclusively in .h headers per coding convention. Only static helper functions and static variables retain docstrings in .c files. Removed 413 duplicate docstrings across 185 files (15 CBM + 15 C SDK projects). All 30 projects rebuild with zero errors.
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/**
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* @file 0x02_blink.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 2025
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*
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* MIT License
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*
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* Copyright (c) 2025 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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* -----------------------------------------------------------------------------
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*
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* Demonstrates GPIO output control using the blink driver (blink.h / blink.c).
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* The onboard LED on GPIO 25 is toggled every BLINK_DELAY_MS milliseconds and
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* the current state is reported over UART.
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*
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* Wiring:
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* GPIO25 -> Onboard LED (no external wiring needed)
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*/
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#include <stdio.h>
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#include "pico/stdlib.h"
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#include "blink.h"
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/** @brief GPIO pin for the onboard LED */
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#define LED_PIN 25
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/** @brief Delay between blink toggles in milliseconds */
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#define BLINK_DELAY_MS 500
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int main(void) {
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stdio_init_all();
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blink_init(LED_PIN);
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printf("Blink driver initialized on GPIO %d\r\n", LED_PIN);
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while (true) {
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blink_toggle(LED_PIN);
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printf("LED: %s\r\n", blink_get_state(LED_PIN) ? "ON" : "OFF");
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sleep_ms(BLINK_DELAY_MS);
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}
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}
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