Cocomobyl/can-arduino
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rewrite to prevent delay() lost data

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This commit is contained in:
smayzy 2026-03-02 18:05:28 +01:00
parent 55dc602329
commit f6ea5f6ab9
1 changed files with 29 additions and 19 deletions
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42
can/can.ino
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@ -9,6 +9,15 @@ LiquidCrystal_I2C lcd(0x27, 20, 4);
MCP_CAN CAN(CAN_CS);
const byte NODE_ID = 0x01; // Change to your Sevcon node ID
const unsigned long timing = 500;
unsigned long previous_time = 0;
unsigned long current_time = 0;
int16_t rpm = 0;
int16_t ubat = 0;
int v = 0;
int ubatr = 0;
void setup() {
lcd.init();
@ -48,27 +57,28 @@ void loop() {
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);
rpm = buf[0] | (buf[1] << 8);
v = rpm * 0.017;
Serial.println(v);
}
case 0x209 : {
int16_t ubat = buf[0] | (buf[1] << 8);
int ubatr = ubat / 16;
Serial.print(ubat);
Serial.println();
ubat = buf[0] | (buf[1] << 8);
ubatr = ubat / 16;
Serial.println(ubatr);
}
}
}
current_time = millis();
if( current_time - previous_time >= timing){
lcd.setCursor(0, 0);
lcd.print("Vitesse = ");
lcd.print(v);
lcd.print(" km/h ");
lcd.setCursor(0, 1);
lcd.print("ubat = ");
lcd.print(ubatr);
lcd.print(" V ");
delay(400);
}
}
}
}