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My use case is simple: I have a system where devices change roles. ESP begins being a master and configures an FPGA, which then takes over as a master, and ESP becomes a slave. Later on, a firmware update may require this process to repeat, etc. SPI bus role reversal is not very typical, but completely possible, especially with pin shortage or tightness of PCB estate.
My use case is simple: I have a system where devices change roles. ESP begins being a master and configures an FPGA, which then takes over as a master, and ESP becomes a slave. Later on, a firmware update may require this process to repeat, etc. SPI bus role reversal is not very typical, but completely possible, especially with pin shortage or tightness of PCB estate.
A PR for this request: #4248
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