C++ (Cpp) rt_vbus_set_recv_wm Examples

Example #1

File: vbus_chnx.c Project: cedar-renjun/air-conditioning-assistant

rt_err_t  _control(rt_device_t dev, rt_uint8_t cmd, void *args)
{
    RT_ASSERT(dev);

    switch (cmd) {
    case VBUS_IOC_LISCFG: {
        struct rt_vbus_dev *vdev = dev->user_data;
        struct rt_vbus_dev_liscfg *liscfg = args;

        RT_ASSERT(vdev->chnr != 0);
        if (!liscfg)
            return -RT_ERROR;

        rt_vbus_register_listener(vdev->chnr, liscfg->event,
                                  liscfg->listener, liscfg->ctx);
        return RT_EOK;
    }
        break;
#ifdef RT_VBUS_USING_FLOW_CONTROL
    case VBUS_IOCRECV_WM: {
        struct rt_vbus_dev *vdev = dev->user_data;
        struct rt_vbus_wm_cfg *cfg;

        RT_ASSERT(vdev->chnr != 0);

        if (!args)
            return -RT_ERROR;

        cfg = (struct rt_vbus_wm_cfg*)args;
        if (cfg->low > cfg->high)
            return -RT_ERROR;

        rt_vbus_set_recv_wm(vdev->chnr, cfg->low, cfg->high);
        return RT_EOK;
    }
        break;
    case VBUS_IOCPOST_WM: {
        struct rt_vbus_dev *vdev = dev->user_data;
        struct rt_vbus_wm_cfg *cfg;

        RT_ASSERT(vdev->chnr != 0);

        if (!args)
            return -RT_ERROR;

        cfg = (struct rt_vbus_wm_cfg*)args;
        if (cfg->low > cfg->high)
            return -RT_ERROR;

        rt_vbus_set_post_wm(vdev->chnr, cfg->low, cfg->high);
        return RT_EOK;
    }
        break;
#endif
    default:
        break;
    };

    return -RT_ENOSYS;
}

Example #2

File: vbus_chnx.c Project: RT-Thread/gemini

static long vbus_chnx_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
	int res = -ENOTTY;

	switch (cmd) {
#ifdef RT_VBUS_USING_FLOW_CONTROL
	case VBUS_IOCRECV_WM: {
		struct rt_vbus_wm_cfg cfg;
		unsigned long chnr = (unsigned long)filp->private_data;

		if (copy_from_user(&cfg, (struct rt_vbus_wm_cfg*)arg,
				   sizeof(cfg)))
			return -EFAULT;
		rt_vbus_set_recv_wm(chnr, cfg.low, cfg.high);
		return 0;

	}
		break;
	case VBUS_IOCPOST_WM: {
		struct rt_vbus_wm_cfg cfg;
		unsigned long chnr = (unsigned long)filp->private_data;

		if (copy_from_user(&cfg, (struct rt_vbus_wm_cfg*)arg,
				   sizeof(cfg)))
			return -EFAULT;
		rt_vbus_set_post_wm(chnr, cfg.low, cfg.high);
		return 0;

	}
		break;
#endif
	default:
		break;
	};
	return res;
}