#include <LIN_master.h>
// Define LIN ID for power window control
#define LIN_ID_POWER_WINDOW 0x15
// Define data values for power window control
#define POWER_WINDOW_UP_CMD 0x01
#define POWER_WINDOW_DOWN_CMD 0x02
// Define pin numbers for buttons
#define BUTTON_FR_LEFT_PIN 2
#define BUTTON_FR_RIGHT_PIN 3
#define BUTTON_RR_LEFT_PIN 4
#define BUTTON_RR_RIGHT_PIN 5
// Instantiate LIN_Master object
LIN_Master linMaster;
// Variable to store the previous state of buttons
bool prevButtonStateFrLeft = HIGH;
bool prevButtonStateFrRight = HIGH;
bool prevButtonStateRrLeft = HIGH;
bool prevButtonStateRrRight = HIGH;
void setup() {
// Begin serial communication
Serial.begin(9600);
// Initialize LIN communication
linMaster.begin(19200, LIN_V2, false); // Baudrate 19200, LIN version 2, no background operation
// Initialize button pins as inputs
pinMode(BUTTON_FR_LEFT_PIN, INPUT_PULLUP);
pinMode(BUTTON_FR_RIGHT_PIN, INPUT_PULLUP);
pinMode(BUTTON_RR_LEFT_PIN, INPUT_PULLUP);
pinMode(BUTTON_RR_RIGHT_PIN, INPUT_PULLUP);
}
void loop() {
// Read current state of buttons
bool currentButtonStateFrLeft = digitalRead(BUTTON_FR_LEFT_PIN);
bool currentButtonStateFrRight = digitalRead(BUTTON_FR_RIGHT_PIN);
bool currentButtonStateRrLeft = digitalRead(BUTTON_RR_LEFT_PIN);
bool currentButtonStateRrRight = digitalRead(BUTTON_RR_RIGHT_PIN);
// Check if button FR_LEFT is pressed (active high)
if (currentButtonStateFrLeft == HIGH && prevButtonStateFrLeft == LOW) {
sendPowerWindowCommand(0, POWER_WINDOW_UP_CMD); // Start bit: 0
} else if (currentButtonStateFrLeft == LOW && prevButtonStateFrLeft == HIGH) {
sendPowerWindowCommand(0, POWER_WINDOW_DOWN_CMD); // Start bit: 0
}
// Check if button FR_RIGHT is pressed (active high)
if (currentButtonStateFrRight == HIGH && prevButtonStateFrRight == LOW) {
sendPowerWindowCommand(5, POWER_WINDOW_UP_CMD); // Start bit: 5
} else if (currentButtonStateFrRight == LOW && prevButtonStateFrRight == HIGH) {
sendPowerWindowCommand(5, POWER_WINDOW_DOWN_CMD); // Start bit: 5
}
// Check if button RR_LEFT is pressed (active high)
if (currentButtonStateRrLeft == HIGH && prevButtonStateRrLeft == LOW) {
sendPowerWindowCommand(10, POWER_WINDOW_UP_CMD); // Start bit: 10
} else if (currentButtonStateRrLeft == LOW && prevButtonStateRrLeft == HIGH) {
sendPowerWindowCommand(10, POWER_WINDOW_DOWN_CMD); // Start bit: 10
}
// Check if button RR_RIGHT is pressed (active high)
if (currentButtonStateRrRight == HIGH && prevButtonStateRrRight == LOW) {
sendPowerWindowCommand(15, POWER_WINDOW_UP_CMD); // Start bit: 15
} else if (currentButtonStateRrRight == LOW && prevButtonStateRrRight == HIGH) {
sendPowerWindowCommand(15, POWER_WINDOW_DOWN_CMD); // Start bit: 15
}
// Update previous button states
prevButtonStateFrLeft = currentButtonStateFrLeft;
prevButtonStateFrRight = currentButtonStateFrRight;
prevButtonStateRrLeft = currentButtonStateRrLeft;
prevButtonStateRrRight = currentButtonStateRrRight;
}
// Function to send power window control command via LIN
void sendPowerWindowCommand(uint8_t startBit, uint8_t command) {
// Data to be sent
uint8_t data[] = {startBit, 0x01, command}; // Start bit, Data length, Command
// Send a master request frame with LIN header
linMaster.sendMasterRequest(LIN_ID_POWER_WINDOW, sizeof(data), data);
// Print the data being sent
Serial.print("Sent LIN frame: ");
for (int i = 0; i < sizeof(data); i++) {
Serial.print(data[i], HEX);
Serial.print(" ");
}
Serial.println();
}
can anyone have idea how to trial or simulation to receive the output of my program?Use code tags to format code for the forum