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659f695ec1
Whether or not CS (chip select) is used really depends on the way how you wire things together, not on the device you're talking to. Not using CS (and explicitly telling the SPI controller about that) might keep some pins free on pin-constrained boards, but also, some controllers (or Linux drivers) don't support disabling CS, and fail when that flag is given. On the other hand, even though nrzleds don't make use of CS by themselves, you could very well have some circuit in front to do the chip select, and then actually write to different nrzled devices sequentially. Long-term, the fact on whether to do chip select should be specified while passing in the SPI port to be used, as it really depends on the way it's wired together on the specific board, not on the type of device. |
5 years ago | |
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| .. | ||
| doc.go | 5 years ago | |
| nrz.go | 5 years ago | |
| nrz_test.go | 5 years ago | |
| nrzled.go | 5 years ago | |
| nrzled_spi_test.go | 5 years ago | |
| nrzled_stream_test.go | 5 years ago | |