arduinoでcan

#概要
arduinoでcanやってみました。
#写真

#回路図

#uno写真

#nano写真

#サンプルコード

#include <SPI.h>
#include "mcp_can.h"
const int SPI_CS_PIN = 10;
MCP_CAN CAN(SPI_CS_PIN);
void setup()
{
    Serial.begin(115200);
START_INIT:
    if (CAN_OK == CAN.begin(CAN_500KBPS))
    {
        Serial.println("CAN BUS Shield init ok!");
    }
    else
    {
        Serial.println("CAN BUS Shield init fail");
        Serial.println("Init CAN BUS Shield again");
        delay(100);
        goto START_INIT;
    }
}
unsigned char stmp[8] = {
	0,
	1,
	2,
	3,
	4,
	5,
	6,
	7
};
void loop()
{
    CAN.sendMsgBuf(0x00, 0, 8, stmp);
    delay(100);
}

#サンプルコード

#include <SPI.h>
#include "mcp_can.h"
const int SPI_CS_PIN = 10;
MCP_CAN CAN(SPI_CS_PIN);
void setup()
{
	Serial.begin(115200);
START_INIT:
	if (CAN_OK == CAN.begin(CAN_500KBPS))
	{
		Serial.println("CAN BUS Shield init ok!");
	}
	else
	{
		Serial.println("CAN BUS Shield init fail");
		Serial.println("Init CAN BUS Shield again");
		delay(100);
		goto START_INIT;
	}
}
void loop()
{
	unsigned char len = 0;
	unsigned char buf[8];
	if (CAN_MSGAVAIL == CAN.checkReceive())
	{
		CAN.readMsgBuf(&len, buf);
		unsigned char canId = CAN.getCanId();
		Serial.println("-----------------------------");
		Serial.println("get data from ID: ");
		Serial.println(canId);
		for (int i = 0; i < len; i++)
		{
			Serial.print(buf[i]);
			Serial.print("\t");
		}
		Serial.println();
	}
}