CCS C Compiler Manual PCB / PCM / PCH

Built-in Functions
Parameters:
Options- The mode of the QEI module. See the devices .h file for all
options
Some common options are:
· QEI_MODE_X2
· QEI_MODE_X4
filter - This parameter is optional, the user can enable the digital filters
and specify the clock divisor.
maxcount - Specifies the value at which to reset the position counter.
Returns:
Function:
Availability:
Requires:
Examples:
Example Files:
Also See:
void
Configures the Quadrature Encoder Interface. Various settings
like mode and filters can be setup.
Devices that have the QEI module.
Nothing.
setup_qei(QEI_MODE_X2|QEI_RESET_WHEN_MAXCOUNT,
QEI_FILTER_ENABLE_QEA|QEI_FILTER_DIV_2,0x1000);
None
qei_set_count() , qei_get_count() , qei_status()
setup_rtc( )
Syntax:
Parameters:
Returns:
Function:
Availability:
Requires:
setup_rtc() (options, calibration);
Options- The mode of the RTCC module. See the devices .h file for all options
Calibration- This parameter is optional and the user can specify an 8 bit value
that will get written to the calibration configuration register.
void
Configures the Real Time Clock and Calendar module. The module requires
an external 32.768 kHz clock crystal for operation.
Devices that have the RTCC module.
Nothing.
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