Serial Port - C Example

// Wait for response char response[256]; serial_read(fd, response, sizeof(response));

printf("Serial port %s opened at 115200 baud\n", device); serial port c example

void serial_read(int fd, char *buffer, size_t buf_size) ssize_t n = read(fd, buffer, buf_size - 1); if (n < 0) perror("read"); else if (n > 0) buffer[n] = '\0'; printf("Read %ld bytes: %s\n", n, buffer); // Wait for response char response[256]