Detailed Api Specification - Freescale Semiconductor DSP56800E User Manual

Cmd
DAC_READ_CONTROL_REG
DAC_WRITE_DATA
DAC_READ_DATA
DAC_WRITE_STEP
DAC_READ_STEP
DAC_WRITE_MINVAL
DAC_READ_MINVAL
DAC_WRITE_MAXVAL
DAC_READ_MAXVAL
5.24.3

Detailed API Specification

The detailed functionality of all ioctl commands is explained in this section. The code examples
illustrate the usage of the ioctl commands.
5-990
Table 5-835. ioctl commands (Continued)
param
NULL
UWord16
NULL
UWord16
NULL
UWord16
NULL
UWord16
NULL
Targeting 56F8xxx Platform
Return Description
UWord16 Returns the value of the DAC
Control Register.
None Directly writes to the DAC Data
Register.
UWord16 Returns the value of the DAC
Data Register.
None Directly writes to the DAC Step
Register.
UWord16 Returns the value of the DAC
Step Register.
None Directly writes to the DAC Mini-
mum Value Register.
UWord16 Returns the value of the DAC
Minimum Value Register.
None Directly writes to the DAC Maxi-
mum Value Register.
UWord16 Returns the value of the DAC
Maximum Value Register.
FREESCALE SEMICONDUCTOR