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Make serial more responsive at low bitrate

This commit is contained in:
Stephan Hadinger 2021-11-11 14:44:54 +01:00
parent 1f229e7534
commit 9084e36978
1 changed files with 10 additions and 0 deletions
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10
lib/default/TasmotaSerial-3.3.0/src/TasmotaSerial.cpp
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@ -38,6 +38,8 @@ TasmotaSerial *tms_obj_list[16];
#endif // ESP8266
#ifdef ESP32
#include "driver/uart.h"
#if CONFIG_IDF_TARGET_ESP32 // ESP32/PICO-D4
static int tasmota_serial_index = 2; // Allow UART2 and UART1 only
#elif CONFIG_IDF_TARGET_ESP32S2 // ESP32-S2
@ -155,6 +157,14 @@ bool TasmotaSerial::begin(uint32_t speed, uint32_t config) {
if (serial_buffer_size > 256) {
TSerial->setRxBufferSize(serial_buffer_size);
}
// For low bit rate, below 9600, set the Full RX threshold at 10 bytes instead of the default 120
if (speed <= 9600) {
uart_set_rx_full_threshold(m_uart, 10);
}
// For bitrate below 115200, set the Rx time out to 5 chars instead of the default 10
if (speed < 115200) {
uart_set_rx_timeout(m_uart, 5);
}
} else {
m_valid = false;
}