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Altera_Forum's avatar
Altera_Forum
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9 years ago

Using a SPI module.

I have a SPI module. Code: But how do I actually use it? In order to write to it I should load some data to SPI_Wr_Data and apply high signal to SPI_Wr_Start_Trig. When the trigger applied the da...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

I see. Thank you. I thought so. Is it right to do so?

--first byte

SPI_Wr_Data <= "00000001";

trigger <= '1';

SPI_Wr_Start_Trig <= trigger;

--??? delay?

trigger <= '0';

SPI_Wr_Start_Trig <= trigger;

--second byte

SPI_Wr_Data <= "00000011";

trigger <= '1';

SPI_Wr_Start_Trig <= trigger;

trigger <= '0';

SPI_Wr_Start_Trig <= trigger;

--and so on...