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Fix intermittent hardware watchdogs 

Fix intermittent hardware watchdogs in case of high speed software serial flooding
This commit is contained in:
Theo Arends 2022-11-26 09:48:23 +01:00
parent 430396832f
commit 48ae4b247c
1 changed files with 7 additions and 4 deletions
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11
lib/default/TasmotaSerial-3.5.0/src/TasmotaSerial.cpp
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@ -162,11 +162,11 @@ size_t TasmotaSerial::setRxBufferSize(size_t size) {
if (size != serial_buffer_size) { if (size != serial_buffer_size) {
if (m_hardserial) { if (m_hardserial) {
if (size > 256) { // Default hardware serial Rx buffer size if (size > 256) { // Default hardware serial Rx buffer size
#ifdef ESP8266 #ifdef ESP8266
serial_buffer_size = size; serial_buffer_size = size;
Serial.setRxBufferSize(serial_buffer_size); Serial.setRxBufferSize(serial_buffer_size);
#endif // ESP8266 #endif // ESP8266
#ifdef ESP32 #ifdef ESP32
if (TSerial) { if (TSerial) {
// RX Buffer can't be resized when Serial is already running // RX Buffer can't be resized when Serial is already running
serial_buffer_size = size; serial_buffer_size = size;
@ -176,7 +176,7 @@ size_t TasmotaSerial::setRxBufferSize(size_t size) {
TSerial->setRxBufferSize(serial_buffer_size); TSerial->setRxBufferSize(serial_buffer_size);
Esp32Begin(); Esp32Begin();
} }
#endif // ESP32 #endif // ESP32
} }
} }
else if (m_buffer) { else if (m_buffer) {
@ -425,6 +425,9 @@ void IRAM_ATTR TasmotaSerial::rxRead(void) {
if (next != (int)m_out_pos) { if (next != (int)m_out_pos) {
m_buffer[m_in_pos] = rec; m_buffer[m_in_pos] = rec;
m_in_pos = next; m_in_pos = next;
} else {
// Buffer overrun - prep to exit and fix Hardware Watchdog in case of high speed flooding
loop_read = 0;
} }
TM_SERIAL_WAIT_RCV_LOOP; // wait for stop bit TM_SERIAL_WAIT_RCV_LOOP; // wait for stop bit