Fix small index compare bug in modbus

2025-08-10 20:29:24 +00:00 · 2022-12-16 16:21:04 +13:00
1 changed files with 1 additions and 1 deletions
--- a/esphome/components/modbus/modbus.cpp
+++ b/esphome/components/modbus/modbus.cpp
@@ -47,7 +47,7 @@ bool Modbus::parse_modbus_byte_(uint8_t byte) {
  uint8_t function_code = raw[1];
  // Byte 2: Size (with modbus rtu function code 4/3)
  // See also https://en.wikipedia.org/wiki/Modbus
-  if (at == 2)
+  if (at <= 2)
    return true;

  uint8_t data_len = raw[2];