From fb6640b91fde752096ce0bcb4cbe571cab75d49b Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Tue, 18 Mar 2025 15:12:30 +0100
Subject: [PATCH] Fix ESP32 receive incomplete serial data over 128 bytes
 (#23156)

---
 CHANGELOG.md                                          | 3 ++-
 RELEASENOTES.md                                       | 2 ++
 lib/default/TasmotaSerial-3.6.0/src/TasmotaSerial.cpp | 7 +++++++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5c8ccca3..094612a7e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,7 @@ All notable changes to this project will be documented in this file.
 - Support Vango Technologies V924x ultralow power, single-phase, power measurement (#23127)
 - Support for HLK-LD2402 24GHz smart wave motion sensor (#23133)
 - Matter prepare for ICD cluster (#23158)
-- Berry `re.dump()`
+- Berry `re.dump()` (#23162)
 
 ### Breaking Changed
 - Berry remove `Leds.create_matrix` from the standard library waiting for reimplementation (#23114)
@@ -26,6 +26,7 @@ All notable changes to this project will be documented in this file.
 - Berry prevent `import` from hiding a solidified class (#23112)
 - ESP32-C3 WiFi sleep (#23096)
 - ESP32 intermittent exception on WiFi AP cannot be reached (#23115)
+- ESP32 receive incomplete serial data over 128 bytes (#23156)
 
 ### Removed
 
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 7663e1b35..74c4313de 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -124,6 +124,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 - Berry `introspect.solidified()` to know if a Berry object is solidified or in RAM [#23063](https://github.com/arendst/Tasmota/issues/23063)
 - Berry `global.undef()` to undefine a global variable [#23073](https://github.com/arendst/Tasmota/issues/23073)
 - Berry load `.tapp` files in `/.extensions/` then in `/` [#23113](https://github.com/arendst/Tasmota/issues/23113)
+- Berry `re.dump()` (#23162)[#23162](https://github.com/arendst/Tasmota/issues/23162)
 - Matter prepare for ICD cluster [#23158](https://github.com/arendst/Tasmota/issues/23158)
 - LVGL experimental mirroring of display on Web UI [#23041](https://github.com/arendst/Tasmota/issues/23041)
 
@@ -144,6 +145,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 
 ### Fixed
 - Too many zeros in RCSwitch received data regression from v14.4.1.4 [#23050](https://github.com/arendst/Tasmota/issues/23050)
+- ESP32 receive incomplete serial data over 128 bytes [#23156](https://github.com/arendst/Tasmota/issues/23156)
 - ESP32 intermittent exception on WiFi AP cannot be reached [#23115](https://github.com/arendst/Tasmota/issues/23115)
 - ESP32-C3 WiFi sleep [#23096](https://github.com/arendst/Tasmota/issues/23096)
 - Berry prevent `import` from hiding a solidified class [#23112](https://github.com/arendst/Tasmota/issues/23112)
diff --git a/lib/default/TasmotaSerial-3.6.0/src/TasmotaSerial.cpp b/lib/default/TasmotaSerial-3.6.0/src/TasmotaSerial.cpp
index 242aa5a99..0a25a1723 100644
--- a/lib/default/TasmotaSerial-3.6.0/src/TasmotaSerial.cpp
+++ b/lib/default/TasmotaSerial-3.6.0/src/TasmotaSerial.cpp
@@ -168,6 +168,12 @@ void TasmotaSerial::Esp32Begin(void) {
   if (m_speed <= 9600) {
     // At 9600, 10 chars are ~10ms
     uart_set_rx_full_threshold(m_uart, 10);
+  } else {
+    // At 19200, 120 chars are ~60ms
+    // At 76800, 120 chars are ~15ms
+    uart_set_rx_full_threshold(m_uart, 120);
+  }
+/*
   } else if (m_speed < 115200) {
     // At 19200, 120 chars are ~60ms
     // At 76800, 120 chars are ~15ms
@@ -180,6 +186,7 @@ void TasmotaSerial::Esp32Begin(void) {
     // At even higher speeds set 75% of the buffer
     uart_set_rx_full_threshold(m_uart, serial_buffer_size * 3 / 4);
   }
+*/
   // For bitrate below 115200, set the Rx time out to 6 chars instead of the default 10
   if (m_speed < 115200) {
     // At 76800 the timeout is ~1ms