initial commit

can.ino

@@ -0,0 +1,74 @@
+#include <SPI.h>
+#include <mcp_can.h>
+#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
+
+LiquidCrystal_I2C lcd(0x27, 20, 4);
+
+#define CAN_CS 10
+MCP_CAN CAN(CAN_CS);
+
+const byte NODE_ID = 0x01;   // Change to your Sevcon node ID
+
+void setup() {
+  lcd.init();
+  lcd.backlight();
+
+  lcd.setCursor(0, 0);
+  lcd.print("vitesse = ");
+  lcd.print(" ");
+  lcd.print(" km/h  ");
+
+  lcd.setCursor(0, 1);
+  lcd.print("ubat = ");
+  lcd.print("  ");
+  lcd.print(" V  ");
+
+  Serial.begin(115200);
+
+  while (CAN_OK != CAN.begin(MCP_ANY, CAN_500KBPS, MCP_8MHZ)) {
+    Serial.println("CAN init failed, retrying...");
+    delay(100);
+  }
+
+  CAN.setMode(MCP_NORMAL);
+  Serial.println("CAN init OK");
+  
+}
+
+void loop() {
+
+  if (CAN.checkReceive() == CAN_MSGAVAIL) {
+
+    unsigned long rxId;
+    byte len = 0;
+    byte buf[8];
+
+    CAN.readMsgBuf(&rxId, &len, buf);
+
+    switch (rxId) {
+      case 0x382 : {
+        int16_t rpm = buf[0] | (buf[1] << 8);
+        int v = rpm * 0.017;
+        Serial.print(v);
+        Serial.println();
+        lcd.setCursor(0, 0);
+        lcd.print("vitesse = ");
+        lcd.print(v);
+        lcd.print(" km/h  ");
+        delay(400);
+      }
+      //case 0x209 : {
+      //  int16_t ubat = buf[0] | (buf[1] << 8);
+      //  int ubatr = ubat / 16;
+      //  Serial.print(ubat);
+      //  Serial.println();
+      //  lcd.setCursor(0, 1);
+      //  lcd.print("ubat = ");
+      //  lcd.print(ubatr);
+      //  lcd.print(" V  ");
+      //  delay(400);
+      //}
+    }
+  }
+}