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Altera_Forum
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16 years ago

Frame Reader Initialization

Hello, I want to implement a Frame Reader which should read data from memory and send its AVALON Video protocol to an alpha blending mixer. My clocked video output settings for PAL are: Imag...
Altera_Forum's avatar
Altera_Forum
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16 years ago

Ok I have got it. I changed all MemoryMaster Width to 32Bit and then calculated: 


// Frame 0 Single Cycle Color Patterns
IOWR(ALT_VIP_VFR_0_BASE, 6, 786432); //1024x768 = 786432 (like p. 5-28 right bottom)
// Frame 0 Single Cycle Color Patterns
IOWR(ALT_VIP_VFR_0_BASE, 5, 786432); 
//width of a word is 32bit, one SingleCycleColorPattern has 24bit so i can get 1 complete SingleCycleColorPatterns in every word. => 786432 / 1 = 786432