请将上边代码的波特率配置为500000,将CAN通信使用的pin脚修改为PB8、PB9
时间: 2024-05-20 18:18:14 浏览: 84
#include <SPI.h>
#include <mcp_can.h>
const int spi_CS = 10; // chip select pin
MCP_CAN CAN(spi_CS); // set CS pin for MCP2515 CAN controller
void setup() {
Serial.begin(9600); // set baud rate for serial communication
while (!CAN.begin(MCP_ANY, CAN_500KBPS, MCP_16MHZ)) { // initialize CAN controller
Serial.println("CAN BUS Shield init fail");
delay(100);
}
Serial.println("CAN BUS Shield init ok");
}
void loop() {
unsigned char len = 0;
unsigned char buf[8];
if (CAN_MSGAVAIL == CAN.checkReceive()) { // check if CAN message is available
CAN.readMsgBuf(&len, buf); // read message
unsigned int canId = CAN.getCanId(); // get message ID
Serial.print("ID: ");
Serial.print(canId, HEX);
Serial.print(" Data: ");
for (int i = 0; i < len; i++) {
Serial.print(buf[i], HEX);
Serial.print(" ");
}
Serial.println();
}
}