Make the slave check message integrity and only process if it's valid.

2017-10-01 22:05:20 +02:00
parent 1b1111e9da
commit 6edf4113a4
1 changed files with 5 additions and 0 deletions
--- a/left/src/slave_protocol_handler.c
+++ b/left/src/slave_protocol_handler.c
@@ -35,6 +35,11 @@ void SetResponseByte(uint8_t response)

 void SlaveRxHandler(void)
 {
+    if (!CRC16_IsMessageValid(&RxMessage)) {
+        TxMessage.length = 0;
+        return;
+    }
+
    uint8_t commandId = RxMessage.data[0];
    switch (commandId) {
        case SlaveCommand_SetTestLed: