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Correct limit for PIOBuilder::out_pins count argument

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This value is written to the PINCTRL register field
OUT_COUNT, which accoding to the data sheet has a valid range
of 0-32.

Fixes #181
This commit is contained in:
Jan Niehusmann 2021-10-23 13:28:40 +00:00
parent 11aaf9be79
commit 9f55608f92
1 changed files with 1 additions and 1 deletions
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2
rp2040-hal/src/pio.rs
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@ -1174,7 +1174,7 @@ impl<P: PIOExt> PIOBuilder<P> {
/// The least-significant bit of `OUT` instruction asserts the state of the pin indicated by `base`, the next bit /// The least-significant bit of `OUT` instruction asserts the state of the pin indicated by `base`, the next bit
/// asserts the state of the next pin, and so on up to `count` pins. The pin numbers are considered modulo 32. /// asserts the state of the next pin, and so on up to `count` pins. The pin numbers are considered modulo 32.
pub fn out_pins(mut self, base: u8, count: u8) -> Self { pub fn out_pins(mut self, base: u8, count: u8) -> Self {
assert!(count <= 5); assert!(count <= 32);
self.out_base = base; self.out_base = base;
self.out_count = count; self.out_count = count;
self self