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Improve panic message when requesting frequency higher than clock

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Previously it would panic with message "unreachable", which isn't
particularly clear about what the problem is and how to fix it.
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Dominic 2024-03-11 17:51:53 +01:00
parent ac06ca2fa0
commit b6a383811a
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embassy-stm32/src/spi/mod.rs
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@ -700,7 +700,7 @@ use vals::Mbr as Br;
fn compute_baud_rate(clocks: Hertz, freq: Hertz) -> Br { fn compute_baud_rate(clocks: Hertz, freq: Hertz) -> Br {
let val = match clocks.0 / freq.0 { let val = match clocks.0 / freq.0 {
0 => unreachable!(), 0 => panic!("You are trying to reach a frequency higher than the clock"),
1..=2 => 0b000, 1..=2 => 0b000,
3..=5 => 0b001, 3..=5 => 0b001,
6..=11 => 0b010, 6..=11 => 0b010,