C++ (Cpp) CMD_DEVICE_FIRMWARE_INFORMATION Examples

Example #1

File: hidpp10.c Project: bentiss/libratbag-old

int
hidpp10_get_firmare_information(struct hidpp10_device *dev,
				uint8_t *major_out,
				uint8_t *minor_out,
				uint8_t *build_out)
{
	unsigned idx = dev->index;
	union hidpp10_message firmware_information = CMD_DEVICE_FIRMWARE_INFORMATION(idx, FIRMWARE_INFO_ITEM_FW_NAME_AND_VERSION(1));
	union hidpp10_message build_information = CMD_DEVICE_FIRMWARE_INFORMATION(idx, FIRMWARE_INFO_ITEM_FW_BUILD_NUMBER(1));
	int res;
	uint8_t maj, min, build;

	log_raw(dev->ratbag_device->ratbag, "Fetching firmware information\n");

	/*
	 * This may fail on some devices
	 * => we can not retrieve their FW version through HID++ 1.0.
	 */
	res = hidpp10_request_command(dev, &firmware_information);
	if (res)
		return res;
	maj = firmware_information.msg.string[1];
	min = firmware_information.msg.string[2];

	res = hidpp10_request_command(dev, &build_information);
	if (res)
		return res;
	build = hidpp10_get_unaligned_u16(&build_information.msg.string[1]);

	*major_out = maj;
	*minor_out = min;
	*build_out = build;

	return 0;
}

Example #2

File: hidpp10.c Project: ogay/uLogitech

static int hidpp10_get_device_info(int fd, struct unifying_device *dev) {
	unsigned idx = dev->index;
	union hidpp10_message pairing_information = CMD_PAIRING_INFORMATION(idx, DEVICE_PAIRING_INFORMATION);
	union hidpp10_message device_name = CMD_PAIRING_INFORMATION(idx, DEVICE_NAME);
	union hidpp10_message firmware_information = CMD_DEVICE_FIRMWARE_INFORMATION(idx, FIRMWARE_INFO_ITEM_FW_NAME_AND_VERSION(1));
	union hidpp10_message build_information = CMD_DEVICE_FIRMWARE_INFORMATION(idx, FIRMWARE_INFO_ITEM_FW_BUILD_NUMBER(1));
	int name_size;
	int res, i;

	res = hidpp10_request_command(fd, &pairing_information);
	if (res)
		return -1;

	dev->report_interval = pairing_information.msg.string[2];
	dev->wpid = (pairing_information.msg.string[3] << 8) |
			pairing_information.msg.string[4];
	dev->device_type = pairing_information.msg.string[7];

	res = hidpp10_request_command(fd, &device_name);
	if (res)
		return -1;

	name_size = device_name.msg.string[1];
	memcpy(dev->name, &device_name.msg.string[2], sizeof(device_name.msg.string));
	dev->name[MIN(name_size, sizeof(dev->name) - 1)] = '\0';

	/*
	 * This may fail on some devices
	 * => we can not retrieve their FW version through HID++ 1.0.
	 */
	res = hidpp10_request_command(fd, &firmware_information);
	if (res)
		return 0;

	dev->fw_major = firmware_information.msg.string[1];
	dev->fw_minor = firmware_information.msg.string[2];

	res = hidpp10_request_command(fd, &build_information);
	if (res)
		return 0;

	dev->build = (build_information.msg.string[1] << 8) |
			build_information.msg.string[2];

	return 0;
}