28 lines
692 B
C
28 lines
692 B
C
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#pragma once
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#include "esp_err.h"
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#include <stddef.h>
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/**
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* Initialize GPIO tool — configure allowed pins and directions.
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*/
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esp_err_t tool_gpio_init(void);
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/**
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* Write a GPIO pin HIGH or LOW.
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* Input JSON: {"pin": <int>, "state": <0|1>}
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*/
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esp_err_t tool_gpio_write_execute(const char *input_json, char *output, size_t output_size);
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/**
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* Read a single GPIO pin state.
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* Input JSON: {"pin": <int>}
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*/
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esp_err_t tool_gpio_read_execute(const char *input_json, char *output, size_t output_size);
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/**
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* Read all allowed GPIO pin states at once.
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* Input JSON: {} (no parameters)
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*/
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esp_err_t tool_gpio_read_all_execute(const char *input_json, char *output, size_t output_size);
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