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Modified mcp2518fd spi_CS spi_INT on wio terminal

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wangcoolc
2020-11-24 16:13:24 +08:00
parent e6917fe9fe
commit e2a6702c4c
2 changed files with 23 additions and 16 deletions
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examples/receive/receive.ino
+18 -8
View File
@@ -1,5 +1,4 @@
// demo: CAN-BUS Shield, send data
// loovee@seeed.cc
#include "mcp2518fd_can.h"
@@ -10,29 +9,40 @@
#define SERIAL Serial
#endif
//Mcp_Factory<mcp2518fd> my_Factory;
// 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 = 23;
const int SPI_CS_PIN = BCM8;
const int CAN_INT_PIN = BCM25;
mcp2518fd* controller;
unsigned char flagRecv = 0;
void setup() {
SERIAL.begin(115200);
while(!Serial){};
controller = new mcp2518fd();
controller->mcp_canbus(SPI_CS_PIN);
while (0 != controller->begin()) { // init can bus : baudrate = 500k
controller->mcp_canbus(SPI_CS_PIN);
while (0 != controller->begin()) { // init can bus : baudrate = 500k
SERIAL.println("CAN BUS Shield init fail");
SERIAL.println(" Init CAN BUS Shield again");
delay(100);
}
SERIAL.println("CAN BUS Shield init ok!");
attachInterrupt(digitalPinToInterrupt(CAN_INT_PIN), MCP2518fd_ISR, FALLING); // start interrupt
}
void MCP2518fd_ISR() {
flagRecv = 1;
}
void loop() {
controller->mcp2518fd_receiveMsg();
delay(100); // send data per 100ms
if (flagRecv) {
controller->mcp2518fd_receiveMsg();
delay(100);
}
// send data per 100ms
}
// END FILE
examples/send/send.ino
+5 -8
View File
@@ -1,5 +1,4 @@
// demo: CAN-BUS Shield, send data
// loovee@seeed.cc
#include "mcp2518fd_can.h"
@@ -10,19 +9,17 @@
#define SERIAL Serial
#endif
//Mcp_Factory<mcp2518fd> my_Factory;
// 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 = 23;
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 (0 != controller->begin()) { // init can bus : baudrate = 500k
controller->mcp_canbus(SPI_CS_PIN);
while (0 != controller->begin()) { // init can bus : baudrate = 500k
SERIAL.println("CAN BUS Shield init fail");
SERIAL.println(" Init CAN BUS Shield again");
delay(100);
@@ -44,7 +41,7 @@ void loop() {
}
}
controller->mcp2518fd_sendMsgBuf(stmp);
controller->mcp2518fd_sendMsgBuf(stmp,8);
delay(100); // send data per 100ms
}