Reset rx overflow flag (#144)

Author: iPAS

src/mcp2515_can.cpp

@@ -1396,6 +1396,7 @@ byte mcp2515_can::checkReceive(void) {
 *********************************************************************************************************/
 byte mcp2515_can::checkError(uint8_t* err_ptr) {
     byte eflg = mcp2515_readRegister(MCP_EFLG);
+    mcp2515_modifyRegister(MCP_EFLG, 0xFF, 0);
     if (err_ptr) {
         *err_ptr = eflg;
     }