52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/**
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* @file led_button.h
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* @brief Status LED (RGB) and tactile Retry button.
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*
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* LED patterns:
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* BLUE_BLINK — advertising / receiving data
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* BLUE — verification in progress
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* GREEN — flash succeeded, serial bridge active
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* RED — STK500 target error
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* RED_BLINK — checksum mismatch
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#define LED_GPIO_RED 13
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#define LED_GPIO_GREEN 12
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#define LED_GPIO_BLUE 14
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#define BTN_GPIO_RETRY 0 /**< GPIO0 (BOOT button on most dev boards) */
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/** LED visual patterns. */
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typedef enum {
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LED_OFF, /**< All off */
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LED_GREEN, /**< Solid green — success */
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LED_RED, /**< Solid red — error */
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LED_BLUE, /**< Solid blue — busy */
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LED_GREEN_BLINK, /**< Blinking green */
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LED_RED_BLINK, /**< Blinking red — checksum error */
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LED_BLUE_BLINK /**< Blinking blue — advertising/receiving */
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} led_pattern_t;
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void led_button_init(void);
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/**
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* @brief Set the LED visual pattern.
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* @param pattern Pattern from led_pattern_t enum
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*/
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void led_set_pattern(led_pattern_t pattern);
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/**
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* @brief Check if the Retry button was just pressed (edge-triggered).
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* @return true on falling edge detection
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*/
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bool button_retry_pressed(void);
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/**
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* @brief Periodic tick for LED blink patterns. Call from main loop (~10ms).
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*/
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void led_button_tick(void);
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