Maxim-integrated 73M1822/73M1922 Hardware Module for SMDK412 Bedienungsanleitung PDF herunterladen (Seite 10)

73M1822/73M1922 Hardware Module for SMDK412 User Guide UG_1x22_054

10 Rev. 1.1

3.6.1 TSC_1X22_MAFE_GET_RS232

Description

Retrieves the current status of the RS232 RTS, DTS, CTR and DTR pins.

Prototype

int ioctl (

int fd,

int TSC_1X22_MAFE_GET_RS232,

void );

Parameters

Data Type Name Description

int

Channel descriptor.

int

TSC_1X22_MAFE_GET_RS232

I/O control identifier for this operation.

void

Return Values

Data Type Description

unsigned char

See RS232 #defines.

3.6.2 TSC_1X22_MAFE_SET_RS232

Description

Sets the current status of the RS232 RTS, DTS, CTR and DTR pins and then returns the resulting status

via call to TSC_1X22_MAFE_GET_RS232.

Prototype

int ioctl (

int fd,

int TSC_1X22_MAFE_SET_RS232,

unsigned char RS232);

Parameters

Data Type Name Description

int

Channel descriptor.

int

TSC_1X22_MAFE_SET_RS232

I/O control identifier for this operation.

unsigned char

RS232

Bits to set. See RS232 #defines.

Return Values

Data Type Description

unsigned char

See

TSC_1X22_MAFE_GET_RS232

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 31 32

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