LR1121 init power config #3093
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LR1121 init power config #3093
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MUSTARDTIGERFPV
approved these changes
Jan 6, 2025
wvarty
approved these changes
Jan 11, 2025
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RF power for the SX12xx is currently done after txdone. This is a good time to do it for things like dyn power as time is available for the spi commands.
However the LR1121 also has a number of RF amps and they must be configured correctly for each frequency domain. Waiting until after the first packet has been sent and for the txdone isr isn't ideal, the wrong Dio pins can be used for txen on this first packet.
This PR also makes sure the correct amp is set for the first bind packet, and during CW.
SPI traffic is also reduced during dyn power changes as now only the power is set and not the RF amp configuration.