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UART change at runtime (#5909)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Edward Firmo 2023-12-13 08:29:05 +01:00 committed by GitHub
parent 058c43e953
commit 9daaadb3b6
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 51 additions and 2 deletions
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9
esphome/components/uart/uart_component_esp32_arduino.cpp
View file

@ -109,6 +109,11 @@ void ESP32ArduinoUARTComponent::setup() {
this->number_ = next_uart_num;
this->hw_serial_ = new HardwareSerial(next_uart_num++); // NOLINT(cppcoreguidelines-owning-memory)
}
this->load_settings(false);
}
void ESP32ArduinoUARTComponent::load_settings(bool dump_config) {
int8_t tx = this->tx_pin_ != nullptr ? this->tx_pin_->get_pin() : -1;
int8_t rx = this->rx_pin_ != nullptr ? this->rx_pin_->get_pin() : -1;
bool invert = false;
@ -118,6 +123,10 @@ void ESP32ArduinoUARTComponent::setup() {
invert = true;
this->hw_serial_->setRxBufferSize(this->rx_buffer_size_);
this->hw_serial_->begin(this->baud_rate_, get_config(), rx, tx, invert);
if (dump_config) {
ESP_LOGCONFIG(TAG, "UART %u was reloaded.", this->number_);
this->dump_config();
}
}
void ESP32ArduinoUARTComponent::dump_config() {

14
esphome/components/uart/uart_component_esp32_arduino.h
View file

@ -32,6 +32,20 @@ class ESP32ArduinoUARTComponent : public UARTComponent, public Component {
HardwareSerial *get_hw_serial() { return this->hw_serial_; }
uint8_t get_hw_serial_number() { return this->number_; }
/**
* Load the UART with the current settings.
* @param dump_config (Optional, default `true`): True for displaying new settings or
* false to change it quitely
*
* Example:
* ```cpp
* id(uart1).load_settings();
* ```
*
* This will load the current UART interface with the latest settings (baud_rate, parity, etc).
*/
void load_settings(bool dump_config = true);
protected:
void check_logger_conflict() override;

16
esphome/components/uart/uart_component_esp_idf.cpp
View file

@ -122,9 +122,21 @@ void IDFUARTComponent::setup() {
xSemaphoreGive(this->lock_);
}
void IDFUARTComponent::load_settings(bool dump_config) {
uart_config_t uart_config = this->get_config_();
esp_err_t err = uart_param_config(this->uart_num_, &uart_config);
if (err != ESP_OK) {
ESP_LOGW(TAG, "uart_param_config failed: %s", esp_err_to_name(err));
this->mark_failed();
return;
} else if (dump_config) {
ESP_LOGCONFIG(TAG, "UART %u was reloaded.", this->uart_num_);
this->dump_config();
}
}
void IDFUARTComponent::dump_config() {
ESP_LOGCONFIG(TAG, "UART Bus:");
ESP_LOGCONFIG(TAG, " Number: %u", this->uart_num_);
ESP_LOGCONFIG(TAG, "UART Bus %u:", this->uart_num_);
LOG_PIN(" TX Pin: ", tx_pin_);
LOG_PIN(" RX Pin: ", rx_pin_);
if (this->rx_pin_ != nullptr) {

14
esphome/components/uart/uart_component_esp_idf.h
View file

@ -26,6 +26,20 @@ class IDFUARTComponent : public UARTComponent, public Component {
uint8_t get_hw_serial_number() { return this->uart_num_; }
QueueHandle_t *get_uart_event_queue() { return &this->uart_event_queue_; }
/**
* Load the UART with the current settings.
* @param dump_config (Optional, default `true`): True for displaying new settings or
* false to change it quitely
*
* Example:
* ```cpp
* id(uart1).load_settings();
* ```
*
* This will load the current UART interface with the latest settings (baud_rate, parity, etc).
*/
void load_settings(bool dump_config = true);
protected:
void check_logger_conflict() override;
uart_port_t uart_num_;