mirror of
https://github.com/Seeed-Studio/Seeed_Arduino_CAN.git
synced 2026-07-27 19:55:59 +00:00
38 lines
1.1 KiB
Arduino
38 lines
1.1 KiB
Arduino
// demo: CAN-BUS Shield, send data
|
|
#include <mcp_can.h>
|
|
#include <SPI.h>
|
|
|
|
// the cs pin of the version after v1.1 is default to D9
|
|
// v0.9b and v1.0 is default D10
|
|
const int SPI_CS_PIN = 9;
|
|
const int ledHIGH = 1;
|
|
const int ledLOW = 0;
|
|
|
|
MCP_CAN CAN(SPI_CS_PIN); // Set CS pin
|
|
|
|
void setup()
|
|
{
|
|
Serial.begin(115200);
|
|
|
|
while (CAN_OK != CAN.begin(CAN_500KBPS)) // init can bus : baudrate = 500k
|
|
{
|
|
Serial.println("CAN BUS Shield init fail");
|
|
Serial.println(" Init CAN BUS Shield again");
|
|
delay(100);
|
|
}
|
|
Serial.println("CAN BUS Shield init ok!");
|
|
}
|
|
|
|
unsigned char stmp[8] = {ledHIGH, 1, 2, 3, ledLOW, 5, 6, 7};
|
|
|
|
void loop()
|
|
{ Serial.println("In loop");
|
|
// send data: id = 0x70, standard frame, data len = 8, stmp: data buf
|
|
CAN.sendMsgBuf(0x70, 0, 8, stmp);
|
|
delay(1000); // send data once per second
|
|
}
|
|
|
|
/*********************************************************************************************************
|
|
END FILE
|
|
*********************************************************************************************************/
|