DioGetMaxPwmChannels

Function

Retrieves the total number of PWM output channels of the device.

Format

Ret = DioGetMaxPwmChannels ( Id , ChannelNum )

Parameters

Id [ C, C++： short ] [ Python: ctypes.c_short ]
Specify the device ID retrieved from DioInit.

ChannelNum [ C, C++： unsigned short * ] [ Python: ctypes.POINTER(ctypes.c_ushort) ]
Specify the address of the variable to obtain the number of PWM output channels.

Return Value

Ret [ C, C++： long ] [ Python: ctypes.c_long ]

Definition	Value [Dec]	Description
DIO_ERR_SUCCESS	0	Normal completed.
DIO_ERR_DLL_INVALID_ID	10001	Invalid ID specified.
DIO_ERR_DLL_CALL_DRIVER	10002	Driver cannot be called (failed in ioctl).
DIO_ERR_DLL_BUFF_ADDRESS	10100	Invalid data buffer address.
DIO_ERR_SYS_NOT_SUPPORTED	20001	This board couldn't use this function.
DIO_ERR_SYS_CH_NO	20105	Channel No. is outside the setting range.
DIO_ERR_SYS_CH_NUM	20106	Channel number is outside the setting range.
DIO_ERR_SYS_DEVICE_ERR_DRIVER_IC_ERR	21200	Driver IC error occurred.
DIO_ERR_SYS_DEVICE_ERR_PCOM_FAILURE	21201	PCOM power failure occurred.

The others (See also: Details of Error Code)

Example