mirror of
https://github.com/Seeed-Studio/Seeed_Arduino_CAN.git
synced 2026-09-15 02:52:53 +00:00
55 lines
1.5 KiB
Arduino
55 lines
1.5 KiB
Arduino
// demo: Use RX0BF and RX1BF as digital outputs
|
|
// adlerweb, 2017-06-24
|
|
#include <SPI.h>
|
|
#include "mcp2518fd_can.h"
|
|
|
|
/*SAMD core*/
|
|
#ifdef ARDUINO_SAMD_VARIANT_COMPLIANCE
|
|
#define SERIAL SerialUSB
|
|
#else
|
|
#define SERIAL Serial
|
|
#endif
|
|
|
|
const int SPI_CS_PIN = BCM8;
|
|
mcp2518fd* controller;
|
|
|
|
|
|
void setup() {
|
|
SERIAL.begin(115200);
|
|
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 init failed, retry");
|
|
delay(100);
|
|
}
|
|
SERIAL.println("CAN init ok");
|
|
|
|
if (controller->mcpPinMode(GPIO_PIN_0, GPIO_MODE_GPIO)) {
|
|
SERIAL.println("GPIO_PIN_0 is now an output");
|
|
} else {
|
|
SERIAL.println("GPIO_PIN_0 switch RX0BF");
|
|
}
|
|
|
|
if (controller->mcpPinMode(GPIO_PIN_1, GPIO_MODE_GPIO)) {
|
|
SERIAL.println("GPIO_PIN_1 is now an output");
|
|
} else {
|
|
SERIAL.println("Could not switch GPIO_PIN_1");
|
|
}
|
|
}
|
|
|
|
void loop() {
|
|
SERIAL.println("10");
|
|
controller->mcpDigitalWrite(GPIO_PIN_0, HIGH);
|
|
controller->mcpDigitalWrite(GPIO_PIN_1, LOW);
|
|
delay(500);
|
|
SERIAL.println("01");
|
|
controller->mcpDigitalWrite(GPIO_PIN_0, GPIO_LOW);
|
|
controller->mcpDigitalWrite(GPIO_PIN_1, GPIO_HIGH);
|
|
delay(500);
|
|
}
|
|
|
|
/*********************************************************************************************************
|
|
END FILE
|
|
*********************************************************************************************************/
|