Modified canbus send Blink example

This commit is contained in:
wangcoolc
2020-12-10 17:10:14 +08:00
committed by Baozhu Zuo
parent 2ef6a99dd2
commit 41b900754c
+22 -4
View File
@@ -1,5 +1,4 @@
// demo: CAN-BUS Shield, send data
#include <mcp_can.h>
#include <SPI.h>
/*SAMD core*/
@@ -9,18 +8,37 @@
#define SERIAL Serial
#endif
//#define CAN_2515
#define CAN_2518FD
// the cs pin of the version after v1.1 is default to D9
// v0.9b and v1.0 is default D10
#ifdef CAN_2518FD
#include "mcp2518fd_can.h"
const int SPI_CS_PIN = BCM8;
const int CAN_INT_PIN = BCM25;
mcp2518fd CAN(SPI_CS_PIN); // Set CS pin
#endif
#ifdef CAN_2515
#include "mcp2515_can.h"
const int SPI_CS_PIN = 9;
const int CAN_INT_PIN = 2;
mcp2515_can CAN(SPI_CS_PIN); // Set CS pin
#endif // Set CS pin
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
#ifdef CAN_2518FD
while (0 != CAN.begin((byte)CAN_500K_1M)) { // init can bus : baudrate = 500k
#else
while (CAN_OK != CAN.begin(CAN_500KBPS)) { // init can bus : baudrate = 500k
#endif
SERIAL.println("CAN BUS Shield init fail");
SERIAL.println(" Init CAN BUS Shield again");
delay(100);