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QTC-UMD / dds-sweeper

Raspberry Pi Pico interface for the AD9959 DDS
BSD 2-Clause "Simplified" License
5 stars 2 forks source link

use pio interupts to trigger spi instead of waits #19

Closed ehuegler closed 2 years ago

ehuegler commented 2 years ago

18

Attempt to use interrupts to trigger the next SPI write instead of the old while loop that just blocked until PIO sent a trigger.

ehuegler commented 2 years ago

From brief testing it does not seem to have increased SPI write speed or consistency.