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fixes #3283

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proddy
2026-10-12 19:56:55 +02:00
parent 9328c946d5
commit 4fb5d366d9
2 changed files with 4 additions and 1 deletions
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CHANGELOG_LATEST.md
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@@ -55,6 +55,7 @@ This release is based on the latest Espressif/Arduino core version 3. It brings
- show temperature value for sensor 0x40 [#3272](https://github.com/emsesp/EMS-ESP32/issues/3272) - show temperature value for sensor 0x40 [#3272](https://github.com/emsesp/EMS-ESP32/issues/3272)
- no EMS bus on custom boards whose interface relies on a pull-up on the Rx line. The newer ESP-IDF no longer enables the internal pull-up on the UART Rx pin, so it is now set explicitly as it was in 3.8 [#3258](https://github.com/emsesp/EMS-ESP32/discussions/3258) - no EMS bus on custom boards whose interface relies on a pull-up on the Rx line. The newer ESP-IDF no longer enables the internal pull-up on the UART Rx pin, so it is now set explicitly as it was in 3.8 [#3258](https://github.com/emsesp/EMS-ESP32/discussions/3258)
- no EMS bus after restart when Rx uses a pin that boots with another IO_MUX function (e.g. GPIO43/44 = UART0 on ESP32-S3). IDF 5 `uart_set_pin()` no longer selects the GPIO function on the Rx pad when routing via the matrix, so the pin is reset before UART setup [#3258](https://github.com/emsesp/EMS-ESP32/discussions/3258) - no EMS bus after restart when Rx uses a pin that boots with another IO_MUX function (e.g. GPIO43/44 = UART0 on ESP32-S3). IDF 5 `uart_set_pin()` no longer selects the GPIO function on the Rx pad when routing via the matrix, so the pin is reset before UART setup [#3258](https://github.com/emsesp/EMS-ESP32/discussions/3258)
- Tx mode Auto preferred HT3 pacing over EMS+ when the bus used the HT3 address mask. Some Bosch heat pumps (e.g. Compress 7000i AW, CS5800i) need EMS+ timing; Auto now prefers EMS+ when EMS 2.0 telegrams are seen [#3283](https://github.com/emsesp/EMS-ESP32/issues/3283), [#3245](https://github.com/emsesp/EMS-ESP32/issues/3245)
- Guru Meditation (cache error) on HybridCompile builds when the EMS or console UART ISR ran from flash during a SPI flash read (WiFi power-down, mDNS, NVS). The UART ISR and ringbuf ISR helpers are now in IRAM - Guru Meditation (cache error) on HybridCompile builds when the EMS or console UART ISR ran from flash during a SPI flash read (WiFi power-down, mDNS, NVS). The UART ISR and ringbuf ISR helpers are now in IRAM
- compile errors against Arduino 3.3.12 from Tasmota/Arduino headers named `console.h`, `network.h` and `httpClient.h`. Those EMS-ESP headers are now `emsesp_console.h`, `emsesp_network.h` and `emsesp_http_client.h` - compile errors against Arduino 3.3.12 from Tasmota/Arduino headers named `console.h`, `network.h` and `httpClient.h`. Those EMS-ESP headers are now `emsesp_console.h`, `emsesp_network.h` and `emsesp_http_client.h`
- HTTP OTA from WSL/mDNS stalled on IPv6 and used tiny write chunks. Uploads now resolve IPv4 and stream in 64 KB blocks (`scripts/upload.py`, `scripts/upload_cli.py`) - HTTP OTA from WSL/mDNS stalled on IPv6 and used tiny write chunks. Uploads now resolve IPv4 and stream in 64 KB blocks (`scripts/upload.py`, `scripts/upload_cli.py`)
src/uart/emsuart_esp32.cpp
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@@ -171,7 +171,9 @@ uint8_t EMSuart::transmit(const uint8_t * buf, const uint8_t len) {
return EMS_TX_STATUS_OK; return EMS_TX_STATUS_OK;
} }
auto tx_mode = tx_mode_ != EMS_TXMODE_AUTO ? tx_mode_ : EMSbus::is_ht3() ? EMS_TXMODE_HT3 : EMSbus::is_ems2() ? EMS_TXMODE_EMSPLUS : EMS_TXMODE_EMS; // Auto: prefer EMS+ over HT3. Some Bosch heat pumps set the HT3 address mask (source MSB)
// but need EMS+ pacing; HT3-first caused FF→E3 echo corruption (#3283, #3245).
auto tx_mode = tx_mode_ != EMS_TXMODE_AUTO ? tx_mode_ : EMSbus::is_ems2() ? EMS_TXMODE_EMSPLUS : EMSbus::is_ht3() ? EMS_TXMODE_HT3 : EMS_TXMODE_EMS;
// TXMODE is EMS+ with long delay // TXMODE is EMS+ with long delay
if (tx_mode == EMS_TXMODE_EMSPLUS) { if (tx_mode == EMS_TXMODE_EMSPLUS) {