forked from espressif/esp-protocols
85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
//
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// Created by david on 2/26/21.
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//
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#ifndef SIMPLE_CXX_CLIENT_TERMINAL_OBJECTS_HPP
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#define SIMPLE_CXX_CLIENT_TERMINAL_OBJECTS_HPP
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#include "freertos/FreeRTOS.h"
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#include "freertos/event_groups.h"
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class esp_err_exception: virtual public std::exception {
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public:
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explicit esp_err_exception(esp_err_t err): esp_err(err) {}
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explicit esp_err_exception(std::string msg): esp_err(ESP_FAIL), message(std::move(msg)) {}
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explicit esp_err_exception(std::string msg, esp_err_t err): esp_err(err), message(std::move(msg)) {}
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virtual esp_err_t get_err_t() { return esp_err; }
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~esp_err_exception() noexcept override = default;
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virtual const char* what() const noexcept {
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return message.c_str();
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}
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private:
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esp_err_t esp_err;
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std::string message;
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};
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static inline void throw_if_false(bool condition, std::string message)
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{
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if (!condition) {
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throw(esp_err_exception(std::move(message)));
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}
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}
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static inline void throw_if_esp_fail(esp_err_t err, std::string message)
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{
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if (err != ESP_OK) {
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throw(esp_err_exception(std::move(message), err));
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}
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}
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static inline void throw_if_esp_fail(esp_err_t err)
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{
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if (err != ESP_OK) {
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throw(esp_err_exception(err));
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}
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}
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struct signal_group {
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explicit signal_group(): event_group(nullptr)
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{
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event_group = xEventGroupCreate();
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throw_if_false(event_group != nullptr, "create signal event group failed");
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}
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void set(uint32_t bits)
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{
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xEventGroupSetBits(event_group, bits);
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}
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bool wait(uint32_t flags, uint32_t time_ms) // waiting for all and clearing if set
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{
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EventBits_t bits = xEventGroupWaitBits(event_group, flags, pdTRUE, pdTRUE, pdMS_TO_TICKS(time_ms));
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return bits & flags;
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}
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bool is_any(uint32_t flags)
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{
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return xEventGroupGetBits(event_group) & flags;
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}
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bool wait_any(uint32_t flags, uint32_t time_ms) // waiting for any bit, not clearing them
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{
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EventBits_t bits = xEventGroupWaitBits(event_group, flags, pdFALSE, pdFALSE, pdMS_TO_TICKS(time_ms));
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return bits & flags;
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}
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~signal_group()
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{
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if (event_group) vEventGroupDelete(event_group);
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}
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EventGroupHandle_t event_group;
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};
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#endif //SIMPLE_CXX_CLIENT_TERMINAL_OBJECTS_HPP
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