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Complete canbus send example

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wangcoolc
2020-12-10 17:10:14 +08:00
committed by Baozhu Zuo
parent 6e9112c4f1
commit 391a4891b0
1 changed files with 20 additions and 4 deletions
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examples/send/send.ino
+20 -4
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@@ -1,8 +1,10 @@
// demo: CAN-BUS Shield, send data
// loovee@seeed.cc
#include <mcp_can.h>
#include <SPI.h>
#include "mcp2515_can.h"
#include "mcp2518fd_can.h"
/*SAMD core*/
#ifdef ARDUINO_SAMD_VARIANT_COMPLIANCE
@@ -11,16 +13,29 @@
#define SERIAL Serial
#endif
#define CAN_2515
// 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
#ifdef CAN_2518FD
mcp2518fd CAN(SPI_CS_PIN); // Set CS pin
#endif
#ifdef CAN_2515
mcp2515_can CAN(SPI_CS_PIN); // Set CS pin
#endif
void setup() {
SERIAL.begin(115200);
while(!Serial){};
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);
@@ -44,6 +59,7 @@ void loop() {
CAN.sendMsgBuf(0x00, 0, 8, stmp);
delay(100); // send data per 100ms
SERIAL.println("CAN BUS sendMsgBuf ok!");
}
// END FILE
// END FILE