mirror of
https://github.com/Seeed-Studio/Seeed_Arduino_CAN.git
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45 lines
1.2 KiB
Arduino
45 lines
1.2 KiB
Arduino
// demo: Use TX2RTS as digital input
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// adlerweb, 2017-06-24
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#include <SPI.h>
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#include "mcp2518fd_can.h"
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/*SAMD core*/
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#ifdef ARDUINO_SAMD_VARIANT_COMPLIANCE
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#define SERIAL SerialUSB
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#else
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#define SERIAL Serial
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#endif
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const int SPI_CS_PIN = BCM8;
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mcp2518fd* controller;
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void setup() {
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SERIAL.begin(115200);
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while(!Serial){};
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controller = new mcp2518fd();
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controller->mcp_canbus(SPI_CS_PIN);
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while (0 != controller->begin((byte)CAN_500K_1M)) { // init can bus : baudrate = 500k
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SERIAL.println("CAN init failed, retry");
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delay(100);
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}
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SERIAL.println("CAN init ok");
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if (controller->mcpPinMode(GPIO_PIN_0, GPIO_MODE_INT)) {
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SERIAL.println("GPIO_PIN_0 is now an input");
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} else {
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SERIAL.println("Could not switch GPIO_PIN_0");
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}
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}
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void loop() {
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SERIAL.print("GPIO_PIN_0 is currently ");
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SERIAL.println(controller->mcpDigitalRead(GPIO_PIN_0));
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delay(500);
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}
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/*********************************************************************************************************
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END FILE
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*********************************************************************************************************/
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