diff --git a/mcp2518fd_can.cpp b/mcp2518fd_can.cpp
index f03bd7f..0981726 100644
--- a/mcp2518fd_can.cpp
+++ b/mcp2518fd_can.cpp
@@ -89,7 +89,6 @@ void mcp2518fd::init_CS(byte _CS) {
 ** Descriptions:            init can and set speed
 *********************************************************************************************************/
 byte mcp2518fd::begin() {
-    Serial.println("into mcp25184fd begin\n\r");
     SPI.begin();
     byte res = mcp2518fd_init();
 
@@ -101,7 +100,6 @@ byte mcp2518fd::begin() {
 void mcp2518fd::mcp2518fd_TransmitMessageQueue(void)
 {
     uint8_t attempts = MAX_TXQUEUE_ATTEMPTS;
-    Serial.printf("into mcp2518fd_TransmitMessageQueue\n\r");
     
     // Check if FIFO is not full
     do {
@@ -136,7 +134,6 @@ void mcp2518fd::mcp2518fd_sendMsgBuf(const byte* buf,byte len) {
 ** Descriptions:            send message
 *********************************************************************************************************/
 void mcp2518fd::mcp2518fd_sendMsg(const byte* buf, byte len) {
-    Serial.printf("into mcp2518fdsendMsg\n\r");
     uint8_t n;
     int i;
 
@@ -195,23 +192,19 @@ uint8_t mcp2518fd::mcp2518fd_init() {
     DRV_CANFDSPI_ConfigureObjectReset(&config);
     config.IsoCrcEnable = 1; 
     config.StoreInTEF = 0;
-    Serial.println("DRV_CANFDSPI_ConfigureObjectReset-------end\n\r");
     DRV_CANFDSPI_Configure(DRV_CANFDSPI_INDEX_0, &config);
-    Serial.println("DRV_CANFDSPI_Configure-------end\n\r");
+ 
 
     // Setup TX FIFO
     DRV_CANFDSPI_TransmitChannelConfigureObjectReset(&txConfig);
-    Serial.println("DRV_CANFDSPI_TransmitChannelConfigureObjectReset-------end\n\r");
     txConfig.FifoSize = 7;
     txConfig.PayLoadSize = CAN_PLSIZE_64;
     txConfig.TxPriority = 1;
     DRV_CANFDSPI_TransmitChannelConfigure(DRV_CANFDSPI_INDEX_0, APP_TX_FIFO, &txConfig);
-    Serial.println("DRV_CANFDSPI_TransmitChannelConfigure-------end\n\r");
 
 
     // Setup RX FIFO
     DRV_CANFDSPI_ReceiveChannelConfigureObjectReset(&rxConfig);
-    Serial.println("DRV_CANFDSPI_ReceiveChannelConfigureObjectReset-------end\n\r");
     rxConfig.FifoSize = 15;
     rxConfig.PayLoadSize = CAN_PLSIZE_64;
     DRV_CANFDSPI_ReceiveChannelConfigure(DRV_CANFDSPI_INDEX_0, APP_RX_FIFO, &rxConfig);
@@ -219,16 +212,16 @@ uint8_t mcp2518fd::mcp2518fd_init() {
 
     // Setup RX Filter
     fObj.word = 0;
-    fObj.bF.SID = 0xda;
+    fObj.bF.SID = 0;
     fObj.bF.EXIDE = 0;
     fObj.bF.EID = 0x00;
 
     DRV_CANFDSPI_FilterObjectConfigure(DRV_CANFDSPI_INDEX_0, CAN_FILTER0, &fObj.bF);
-    Serial.println("DRV_CANFDSPI_FilterObjectConfigure-------end\n\r");
+
     // Setup RX Mask
     mObj.word = 0;
-    mObj.bF.MSID = 0x0;
-    mObj.bF.MIDE = 1; // Only allow standard IDs
+    mObj.bF.MSID = 0;
+    mObj.bF.MIDE = 0; // Only allow standard IDs
     mObj.bF.MEID = 0x0;
     DRV_CANFDSPI_FilterMaskConfigure(DRV_CANFDSPI_INDEX_0, CAN_FILTER0, &mObj.bF);
 
@@ -236,22 +229,22 @@ uint8_t mcp2518fd::mcp2518fd_init() {
     DRV_CANFDSPI_FilterToFifoLink(DRV_CANFDSPI_INDEX_0, CAN_FILTER0, APP_RX_FIFO, true);
 
     // Setup Bit Time
-    DRV_CANFDSPI_BitTimeConfigure(DRV_CANFDSPI_INDEX_0, CAN_500K_1M, CAN_SSP_MODE_AUTO, CAN_SYSCLK_40M);
+    DRV_CANFDSPI_BitTimeConfigure(DRV_CANFDSPI_INDEX_0,  CAN_125K_500K, CAN_SSP_MODE_AUTO, CAN_SYSCLK_20M);
 
     // Setup Transmit and Receive Interrupts
     DRV_CANFDSPI_GpioModeConfigure(DRV_CANFDSPI_INDEX_0, GPIO_MODE_INT, GPIO_MODE_INT);
-	#ifdef APP_USE_TX_INT
+	//#ifdef APP_USE_TX_INT
     DRV_CANFDSPI_TransmitChannelEventEnable(DRV_CANFDSPI_INDEX_0, APP_TX_FIFO, CAN_TX_FIFO_NOT_FULL_EVENT);
-	#endif
+	//#endif
     DRV_CANFDSPI_ReceiveChannelEventEnable(DRV_CANFDSPI_INDEX_0, APP_RX_FIFO, CAN_RX_FIFO_NOT_EMPTY_EVENT);
     DRV_CANFDSPI_ModuleEventEnable(DRV_CANFDSPI_INDEX_0,(CAN_MODULE_EVENT)(CAN_TX_EVENT | CAN_RX_EVENT));
 
     // Select Normal Mode
     DRV_CANFDSPI_OperationModeSelect(DRV_CANFDSPI_INDEX_0, CAN_CLASSIC_MODE);
 
-    CAN_OPERATION_MODE abc;
-    abc  = DRV_CANFDSPI_OperationModeGet(0);
-    Serial.printf("DRV_CANFDSPI_OperationModeGet = %d\n\r",abc);   
+    // CAN_OPERATION_MODE abc;
+    // abc  = DRV_CANFDSPI_OperationModeGet(0);
+    // Serial.printf("DRV_CANFDSPI_OperationModeGet = %d\n\r",abc);   
 
     return 0;