Texas Instruments TMS320C6000 사용자 설명서

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AD535_modifyReg
2-11
 AD535 API Module
Modifies specified control register
AD535_modifyReg
Function
void AD535_modifyReg(
  AD535_Handle hAD535,
  AD535_Reg    ad535Register,
  Uint32        val,
  Uint32        mask
);
Arguments
hAD535
Handle to codec channel, see 
AD535_open()
ad535Register
Control register enumeration:
-
AD535_REG_CTRL0
-
AD535_REG_CTRL1
-
AD535_REG_CTRL2
-
AD535_REG_CTRL3
-
AD535_REG_CTRL4
-
AD535_REG_CTRL5
val
Value to be masked into register
mask
Bit-value mask. A value of 1 sets the bit to the
corresponding value in Val; a 0 keeps the current
value of the bit.
Return Value
none
Description
Modifies the specified control register according to the bit mask (Mask)
and value (Val).
6711 DSK
Note: Only the Voice channel is available on this board. This means the
changes to control registers 0, 1, and 2 will have no effect on the
operation of the codec.
Example
To modify the ADC voice input gain in control register 4:
AD535_modifyReg(hAD535,AD535_REG_CTRL4,0x001F,0x003F);