fix: can read DLC correctly

ElectronicCats · May 23, 2024 · 1f14132 · 1f14132
1 parent 65b505a
commit 1f14132
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Canbus_app/libraries/mcp_can_2515.c b/Canbus_app/libraries/mcp_can_2515.c
@@ -344,10 +344,10 @@ void read_canframe(FuriHalSpiBusHandle* spi, const uint8_t addr, CANFRAME* frame
     else
         frame->req = 0;
 
-    frame->data_lenght = len;
-
     len &= MCP_DLC_MASK;
 
+    frame->data_lenght = len;
+
     for(uint8_t i = 0; i < len; i++) {
         read_register(spi, addr + 5 + i, &data);
         frame->buffer[i] = data;