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complete canbus receive check function

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wangcoolc
2020-12-07 17:34:00 +08:00
parent 51511d5cfa
commit 36c6675bf9
1 changed files with 10 additions and 9 deletions
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examples/receive_check/receive_check.ino
+10 -9
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@@ -4,7 +4,7 @@
#include <SPI.h>
#include "mcp_can.h"
#include "mcp2518fd_can.h"
/*SAMD core*/
#ifdef ARDUINO_SAMD_VARIANT_COMPLIANCE
@@ -15,14 +15,15 @@
// 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;
MCP_CAN CAN(SPI_CS_PIN); // Set CS pin
const int SPI_CS_PIN = BCM8;
mcp2518fd* controller; // 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);
@@ -35,10 +36,10 @@ void loop() {
unsigned char len = 0;
unsigned char buf[8];
if (CAN_MSGAVAIL == CAN.checkReceive()) { // check if data coming
CAN.readMsgBuf(&len, buf); // read data, len: data length, buf: data buf
if (1 == controller->checkReceive()) { // check if data coming
controller->readMsgBuf(&len, buf); // read data, len: data length, buf: data buf
unsigned long canId = CAN.getCanId();
unsigned long canId = controller->getCanId();
SERIAL.println("-----------------------------");
SERIAL.print("Get data from ID: 0x");