C++ (Cpp) transfer_escaped_string Exemples

Exemple #1

Fichier : spidev_test.c Projet : vcaputo/linux

int main(int argc, char *argv[])
{
    int ret = 0;
    int fd;

    parse_opts(argc, argv);

    fd = open(device, O_RDWR);
    if (fd < 0)
        pabort("can't open device");

    /*
     * spi mode
     */
    ret = ioctl(fd, SPI_IOC_WR_MODE32, &mode);
    if (ret == -1)
        pabort("can't set spi mode");

    ret = ioctl(fd, SPI_IOC_RD_MODE32, &mode);
    if (ret == -1)
        pabort("can't get spi mode");

    /*
     * bits per word
     */
    ret = ioctl(fd, SPI_IOC_WR_BITS_PER_WORD, &bits);
    if (ret == -1)
        pabort("can't set bits per word");

    ret = ioctl(fd, SPI_IOC_RD_BITS_PER_WORD, &bits);
    if (ret == -1)
        pabort("can't get bits per word");

    /*
     * max speed hz
     */
    ret = ioctl(fd, SPI_IOC_WR_MAX_SPEED_HZ, &speed);
    if (ret == -1)
        pabort("can't set max speed hz");

    ret = ioctl(fd, SPI_IOC_RD_MAX_SPEED_HZ, &speed);
    if (ret == -1)
        pabort("can't get max speed hz");

    printf("spi mode: 0x%x\n", mode);
    printf("bits per word: %d\n", bits);
    printf("max speed: %d Hz (%d KHz)\n", speed, speed/1000);

    if (input_tx && input_file)
        pabort("only one of -p and --input may be selected");

    if (input_tx)
        transfer_escaped_string(fd, input_tx);
    else if (input_file)
        transfer_file(fd, input_file);
    else
        transfer(fd, default_tx, default_rx, sizeof(default_tx));

    close(fd);

    return ret;
}

Exemple #2

Fichier : spidev_test.c Projet : AlexShiLucky/linux

int main(int argc, char *argv[])
{
	int ret = 0;
	int fd;

	parse_opts(argc, argv);

	fd = open(device, O_RDWR);
	if (fd < 0)
		pabort("can't open device");

	/*
	 * spi mode
	 */
	ret = ioctl(fd, SPI_IOC_WR_MODE32, &mode);
	if (ret == -1)
		pabort("can't set spi mode");

	ret = ioctl(fd, SPI_IOC_RD_MODE32, &mode);
	if (ret == -1)
		pabort("can't get spi mode");

	/*
	 * bits per word
	 */
	ret = ioctl(fd, SPI_IOC_WR_BITS_PER_WORD, &bits);
	if (ret == -1)
		pabort("can't set bits per word");

	ret = ioctl(fd, SPI_IOC_RD_BITS_PER_WORD, &bits);
	if (ret == -1)
		pabort("can't get bits per word");

	/*
	 * max speed hz
	 */
	ret = ioctl(fd, SPI_IOC_WR_MAX_SPEED_HZ, &speed);
	if (ret == -1)
		pabort("can't set max speed hz");

	ret = ioctl(fd, SPI_IOC_RD_MAX_SPEED_HZ, &speed);
	if (ret == -1)
		pabort("can't get max speed hz");

	printf("spi mode: 0x%x\n", mode);
	printf("bits per word: %d\n", bits);
	printf("max speed: %d Hz (%d KHz)\n", speed, speed/1000);

	if (input_tx && input_file)
		pabort("only one of -p and --input may be selected");

	if (input_tx)
		transfer_escaped_string(fd, input_tx);
	else if (input_file)
		transfer_file(fd, input_file);
	else if (transfer_size) {
		struct timespec last_stat;

		clock_gettime(CLOCK_MONOTONIC, &last_stat);

		while (iterations-- > 0) {
			struct timespec current;

			transfer_buf(fd, transfer_size);

			clock_gettime(CLOCK_MONOTONIC, &current);
			if (current.tv_sec - last_stat.tv_sec > interval) {
				show_transfer_rate();
				last_stat = current;
			}
		}
		printf("total: tx %.1fKB, rx %.1fKB\n",
		       _write_count/1024.0, _read_count/1024.0);
	} else
		transfer(fd, default_tx, default_rx, sizeof(default_tx));

	close(fd);

	return ret;
}