Changes between Version 18 and Version 19 of warpdac_ad9775.c

Timestamp:

Jan 25, 2006, 6:13:16 PM (18 years ago)

Author:

andreat

Comment:

--

warpdac_ad9775.c

@@ -11 +11 @@
 == Functions ==
 
+For all functions the input variable ''baseaddr'' is the base address of the SPI Core.
+
 '''[source:/PlatformSupport/WARP_Libraries/warpdac_ad9775.c@latest#L94 void transmitdac(unsigned int* baseaddr, int val)]'''
-[[BR]]Transmits a value to a register.  ''baseaddr'' is the base address of the SPI Core, ''val'' a 16 bit hex value where the 8 least significant bits are the value to be stored and the 8 most significant bits choose the register in which to store the value.
+[[BR]]Transmits a value to a register.  ''val'' a 16 bit hex value where the 8 least significant bits are the value to be stored and the 8 most significant bits choose the register in which to store the value.
 
 '''[source:/PlatformSupport/WARP_Libraries/warpdac_ad9775.c@latest#L110 void WarpDac_InitializeSPI(unsigned int* baseaddr)]'''
-[[BR]]Initializes the SPI controller for DAC functions.  This function must be called before calling any other DAC functions.  ''baseaddr'' is the base address of the SPI Core.
+[[BR]]Initializes the SPI controller for DAC functions.  This function must be called before calling any other DAC functions. 
 
 [source:/PlatformSupport/WARP_Libraries/warpdac_ad9775.c@latest#L120 void WarpDac_InitializeDAC(unsigned int* baseaddr, unsigned char dacs)]
+[[BR]]This function must be called at the beginning of the program.  ''dacs'' a 16 bit hex value where the 8 least significant bits are the value to be stored and the 8 most significant bits choose the register in which to store the value.
 
 [source:/PlatformSupport/WARP_Libraries/warpdac_ad9775.c@latest#L144 void WarpDac_Reset(unsigned int* baseaddr, unsigned char dacs)]