Maxim Integrated 73M1822/73M1922 Control Module - Manual (Page 77)

UG_1x22_053 73M1822/73M1922 Control Module User Guide
Rev. 1.0 77
7.13 Loopback Related Data Type and Structure
7.13.1 M1X22_LOOPBACK_COMMAND
Description
These loopback commands can be used in the M1X22_LOOPBACK IOCTL to manage loopback sessions.
Prototype
typedef enum
{
M1X22_LOOPBACK_CMD_GET = 0, /* Get the current loopback session */
M1X22_LOOPBACK_CMD_SET = 1, /* Set (initiate) a loopback session */
M1X22_LOOPBACK_CMD_CLEAR = 2 /* Clear (terminate) a loopback session */
}
M1X22_LOOPBACK_COMMAND;
Parameters
Name Value Description
M1X22_LOOPBACK_CMD_GET 0 Get the type of current loopback session.
M1X22_LOOPBACK_CMD_SET 1 Initiate a loopback session.
M1X22_LOOPBACK_CMD_CLEAR 2 Terminate a loopback session.
7.13.2 M1X22_LOOPBACK_MODE
Description
The driver supports five loopback modes. Refer to the 73M1822/73M1922 Data Sheet or those loopback
reference points.
Prototype
typedef enum
{
M1X22_LOOPBACK_MODE_NONE = 0, /* No loopback */
M1X22_LOOPBACK_MODE_DIGLB1 = 1, /* Digital Loopback-1 */
M1X22_LOOPBACK_MODE_INTLB1 = 2, /* Internal Loopback-1 */
M1X22_LOOPBACK_MODE_DIGLB2 = 3, /* Digital Loopback-2 */
M1X22_LOOPBACK_MODE_INTLB2 = 4, /* Internal Loopback-2 */
M1X22_LOOPBACK_MODE_ALB = 5 /* Analog Loopback */
}
M1X22_LOOPBACK_MODE;
Parameters
Name Value Description
M1X22_LOOPBACK_MODE_NONE 0 No Loopback.
M1X22_LOOPBACK MODE DIGLB1 1 Digital Loopback-1.
M1X22_LOOPBACK MODE INTLB1 2 Internal Loopback-1.
M1X22_LOOPBACK MODE DIGLB2 3 Digital Loopback-2.
M1X22_LOOPBACK MODE INTLB2 4 Internal Loopback-2.
M1X22_LOOPBACK MODE ALB 5 Analog Loopback.