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Activate, Send and received; cyclic timer with setitimer().

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This commit is contained in:
Florian Pose
2008-10-02 13:40:23 +00:00
parent 9e69d015b6
commit fb34ddb1f2
4 changed files with 142 additions and 2 deletions
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master/cdev.c
+69
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@@ -1452,6 +1452,63 @@ int ec_cdev_ioctl_create_slave_config(
return 0;
}
/*****************************************************************************/
/** Activates the master.
*/
int ec_cdev_ioctl_activate(
ec_master_t *master, /**< EtherCAT master. */
unsigned long arg, /**< ioctl() argument. */
ec_cdev_priv_t *priv /**< Private data structure of file handle. */
)
{
if (unlikely(!priv->requested))
return -EPERM;
if (ecrt_master_activate(master))
return -EIO;
return 0;
}
/*****************************************************************************/
/** Send frames.
*/
int ec_cdev_ioctl_send(
ec_master_t *master, /**< EtherCAT master. */
unsigned long arg, /**< ioctl() argument. */
ec_cdev_priv_t *priv /**< Private data structure of file handle. */
)
{
if (unlikely(!priv->requested))
return -EPERM;
spin_lock_bh(&master->internal_lock);
ecrt_master_send(master);
spin_unlock_bh(&master->internal_lock);
return 0;
}
/*****************************************************************************/
/** Receive frames.
*/
int ec_cdev_ioctl_receive(
ec_master_t *master, /**< EtherCAT master. */
unsigned long arg, /**< ioctl() argument. */
ec_cdev_priv_t *priv /**< Private data structure of file handle. */
)
{
if (unlikely(!priv->requested))
return -EPERM;
spin_lock_bh(&master->internal_lock);
ecrt_master_receive(master);
spin_unlock_bh(&master->internal_lock);
return 0;
}
/******************************************************************************
* File operations
*****************************************************************************/
@@ -1577,6 +1634,18 @@ long eccdev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (!(filp->f_mode & FMODE_WRITE))
return -EPERM;
return ec_cdev_ioctl_create_slave_config(master, arg, priv);
case EC_IOCTL_ACTIVATE:
if (!(filp->f_mode & FMODE_WRITE))
return -EPERM;
return ec_cdev_ioctl_activate(master, arg, priv);
case EC_IOCTL_SEND:
if (!(filp->f_mode & FMODE_WRITE))
return -EPERM;
return ec_cdev_ioctl_send(master, arg, priv);
case EC_IOCTL_RECEIVE:
if (!(filp->f_mode & FMODE_WRITE))
return -EPERM;
return ec_cdev_ioctl_receive(master, arg, priv);
default:
return -ENOTTY;
}