fix: add gpio_pad_hold on GPIO21 to prevent boot ROM from reconfiguring shift register enable pin

2026-05-04 02:31:49 +02:00
parent 4cf7a1c94f
commit ecb7707357
1 changed files with 2 additions and 0 deletions
--- a/rust/src/hal/v3_hal.rs
+++ b/rust/src/hal/v3_hal.rs
@@ -140,9 +140,11 @@ pub(crate) fn create_v3(
    let mut general_fault = Output::new(peripherals.gpio6, Level::Low, OutputConfig::default());
    general_fault.set_low();

+    hold_disable(21);
    let mut shift_register_enable_invert =
        Output::new(peripherals.gpio21, Level::Low, OutputConfig::default());
    shift_register_enable_invert.set_low();
+    hold_enable(21);

    let signal_counter = peripherals.pcnt0;