complete canbus send Blink example

This commit is contained in:
wangcoolc
2020-12-07 19:50:26 +08:00
parent a7eee0d609
commit 6bdd376f34
+9 -8
View File
@@ -1,5 +1,5 @@
// demo: CAN-BUS Shield, send data
#include <mcp_can.h>
#include "mcp2518fd_can.h"
#include <SPI.h>
/*SAMD core*/
@@ -11,16 +11,17 @@
// 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 SPI_CS_PIN = BCM8;
mcp2518fd* controller;
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
while(!Serial){};
controller = new mcp2518fd();
controller->mcp_canbus(SPI_CS_PIN);
while (CAN_OK != controller->begin((byte)CAN_500K_1M)) { // init can bus : baudrate = 500k
SERIAL.println("CAN BUS Shield init fail");
SERIAL.println(" Init CAN BUS Shield again");
delay(100);
@@ -33,7 +34,7 @@ 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);
controller->sendMsgBuf(0x70, 0, 8, stmp);
delay(1000); // send data once per second
}