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Altera_Forum's avatar
Altera_Forum
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9 years ago

Question for SPI

Hello! Please tell me how to check the status of the pin MISO. unsigned long int Get7794_Data(alt_u8 channel) { unsigned long int data; alt_u8 cfg_reg; cfg_reg = (channel...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

One way is to add a PIO peripheral with an input connected to the MISO pin and monitor that directly.

The code you pasted is just showing (normal) byte-wise access of the peripheral so there is no direct way to poll the MISO pin status.