Parse as signed int

2026-02-07 16:58:06 +01:00
parent d0720c63c2
commit e8646f5ede
1 changed files with 3 additions and 2 deletions
--- a/examples/companion_radio/MyMesh.cpp
+++ b/examples/companion_radio/MyMesh.cpp
@@ -1228,10 +1228,11 @@ void MyMesh::handleCmdFrame(size_t len) {
      writeErrFrame(ERR_CODE_ILLEGAL_ARG);
    }
  } else if (cmd_frame[0] == CMD_SET_RADIO_TX_POWER) {
-    if (cmd_frame[1] > MAX_LORA_TX_POWER) {
+    int8_t power = (int8_t)cmd_frame[1];
+    if (power < -9 || power > MAX_LORA_TX_POWER) {
      writeErrFrame(ERR_CODE_ILLEGAL_ARG);
    } else {
-      _prefs.tx_power_dbm = cmd_frame[1];
+      _prefs.tx_power_dbm = power;
      savePrefs();
      radio_set_tx_power(_prefs.tx_power_dbm);
      writeOKFrame();