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Warn if a component does long-running work in loop thread (#565)

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* Warn if a component does long-running work in loop thread

* Update application.cpp
This commit is contained in:
Otto Winter 2019-05-29 11:13:05 +02:00 committed by GitHub
parent 2f3c6d5b58
commit 15cb0e4ff3
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 38 additions and 28 deletions
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1
esphome/config_validation.py
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@ -61,6 +61,7 @@ RESERVED_IDS = [
'App', 'pinMode', 'delay', 'delayMicroseconds', 'digitalRead', 'digitalWrite', 'INPUT',
'OUTPUT',
'uint8_t', 'uint16_t', 'uint32_t', 'uint64_t', 'int8_t', 'int16_t', 'int32_t', 'int64_t',
'close', 'pause', 'sleep', 'open',
]

36
esphome/core/application.cpp
View file

@ -66,6 +66,42 @@ void Application::dump_config() {
component->dump_config();
}
}
void Application::loop() {
uint32_t new_app_state = 0;
const uint32_t start = millis();
for (Component *component : this->components_) {
if (!component->is_failed()) {
component->call_loop();
}
new_app_state |= component->get_component_state();
this->app_state_ |= new_app_state;
this->feed_wdt();
}
this->app_state_ = new_app_state;
const uint32_t end = millis();
if (end - start > 200) {
ESP_LOGV(TAG, "A component took a long time in a loop() cycle (%.1f s).", (end - start) / 1e3f);
ESP_LOGV(TAG, "Components should block for at most 20-30ms in loop().");
ESP_LOGV(TAG, "This will become a warning soon.");
}
const uint32_t now = millis();
if (HighFrequencyLoopRequester::is_high_frequency()) {
yield();
} else {
uint32_t delay_time = this->loop_interval_;
if (now - this->last_loop_ < this->loop_interval_)
delay_time = this->loop_interval_ - (now - this->last_loop_);
delay(delay_time);
}
this->last_loop_ = now;
if (this->dump_config_scheduled_) {
this->dump_config();
this->dump_config_scheduled_ = false;
}
}
void ICACHE_RAM_ATTR HOT Application::feed_wdt() {
static uint32_t LAST_FEED = 0;

29
esphome/core/application.h
View file

@ -87,34 +87,7 @@ class Application {
void setup();
/// Make a loop iteration. Call this in your loop() function.
void loop() {
uint32_t new_app_state = 0;
for (Component *component : this->components_) {
if (!component->is_failed()) {
component->call_loop();
}
new_app_state |= component->get_component_state();
this->app_state_ |= new_app_state;
this->feed_wdt();
}
this->app_state_ = new_app_state;
const uint32_t now = millis();
if (HighFrequencyLoopRequester::is_high_frequency()) {
yield();
} else {
uint32_t delay_time = this->loop_interval_;
if (now - this->last_loop_ < this->loop_interval_)
delay_time = this->loop_interval_ - (now - this->last_loop_);
delay(delay_time);
}
this->last_loop_ = now;
if (this->dump_config_scheduled_) {
this->dump_config();
this->dump_config_scheduled_ = false;
}
}
void loop();
/// Get the name of this Application set by set_name().
const std::string &get_name() const { return this->name_; }