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https://github.com/Seeed-Studio/Seeed_Arduino_CAN.git
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43 lines
1.0 KiB
Arduino
43 lines
1.0 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 "mcp_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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#define SPI_CS_PIN 10
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MCP_CAN CAN(SPI_CS_PIN); // Set CS pin
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void setup() {
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SERIAL.begin(115200);
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while (CAN_OK != CAN.begin(CAN_500KBPS)) { // 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 (CAN.mcpPinMode(MCP_TX2RTS, MCP_PIN_IN)) {
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SERIAL.println("TX2RTS is now an input");
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} else {
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SERIAL.println("Could not switch TX2RTS");
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}
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}
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void loop() {
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SERIAL.print("TX2RTS is currently ");
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SERIAL.println(CAN.mcpDigitalRead(MCP_TX2RTS));
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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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