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https://github.com/Seeed-Studio/Seeed_Arduino_CAN.git
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63 lines
1.4 KiB
Arduino
63 lines
1.4 KiB
Arduino
// demo: Use RX0BF and RX1BF as digital outputs
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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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{
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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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{
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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_RX0BF, MCP_PIN_OUT))
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{
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SERIAL.println("RX0BF is now an output");
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}
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else
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{
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SERIAL.println("Could not switch RX0BF");
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}
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if(CAN.mcpPinMode(MCP_RX1BF, MCP_PIN_OUT))
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{
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SERIAL.println("RX1BF is now an output");
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}
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else
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{
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SERIAL.println("Could not switch RX1BF");
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}
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}
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void loop()
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{
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SERIAL.println("10");
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CAN.mcpDigitalWrite(MCP_RX0BF, HIGH);
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CAN.mcpDigitalWrite(MCP_RX1BF, LOW);
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delay(500);
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SERIAL.println("01");
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CAN.mcpDigitalWrite(MCP_RX0BF, LOW);
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CAN.mcpDigitalWrite(MCP_RX1BF, HIGH);
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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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