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Extend uart: with rx_buffer_size: (#1006)

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* Extend `uart:` with `rx_buffer_size:`

This allows to configure `rx_buffer_size:`
to efficiently receive big payloads over UART

* lint

* remove old default value

* add test

Co-authored-by: Guillermo Ruffino <glm.net@gmail.com>
This commit is contained in:
Kamil Trzciński
2020-06-10 02:22:06 +02:00
committed by GitHub
parent 64bd33a94e
commit cd7af19e7c
6 changed files with 20 additions and 5 deletions
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2
esphome/components/uart/uart_esp32.cpp
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@@ -81,6 +81,7 @@ void UARTComponent::setup() {
int8_t tx = this->tx_pin_.has_value() ? *this->tx_pin_ : -1;
int8_t rx = this->rx_pin_.has_value() ? *this->rx_pin_ : -1;
this->hw_serial_->begin(this->baud_rate_, get_config(), rx, tx);
this->hw_serial_->setRxBufferSize(this->rx_buffer_size_);
}
void UARTComponent::dump_config() {
@@ -90,6 +91,7 @@ void UARTComponent::dump_config() {
}
if (this->rx_pin_.has_value()) {
ESP_LOGCONFIG(TAG, " RX Pin: GPIO%d", *this->rx_pin_);
ESP_LOGCONFIG(TAG, " RX Buffer Size: %u", this->rx_buffer_size_);
}
ESP_LOGCONFIG(TAG, " Baud Rate: %u baud", this->baud_rate_);
ESP_LOGCONFIG(TAG, " Bits: %u", this->nr_bits_);