Disable TWAI CLKOUT when initializing peripheral

This fixes the issue with receiving on GPIO1 on the ESP32-C3.
esp-rs · Aug 14, 2024 · 46423f2 · 46423f2
1 parent 352879a
commit 46423f2
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diff --git a/esp-hal/CHANGELOG.md b/esp-hal/CHANGELOG.md
@@ -32,6 +32,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - SPI: Clear DMA interrupts before (not after) DMA starts (#1859)
 - SPI: disable and re-enable MISO and MOSI in `start_transfer_dma`, `start_read_bytes_dma` and `start_write_bytes_dma` accordingly (#1894)
 - TWAI: GPIO pins are not configured as input and output (#1906)
+- TWAI: CLKOUT is not disabled on initialization (#1949)
 
 ### Removed
 

diff --git a/esp-hal/src/twai/mod.rs b/esp-hal/src/twai/mod.rs
@@ -791,6 +791,11 @@ where
             .err_warning_limit()
             .write(|w| unsafe { w.err_warning_limit().bits(96) });
 
+        // Disable CLKOUT
+        T::register_block()
+            .clock_divider()
+            .write(|w| unsafe { w.cd().bits(0).clock_off().bit(true) });
+
         let mut cfg = TwaiConfiguration {
             peripheral: PhantomData,
             phantom: PhantomData,