Spim test

target/ast10x0/board/BUILD.bazel

@@ -18,5 +18,6 @@ rust_library(
     deps = [
         "//target/ast10x0/backend/i2c:i2c_backend_ast10x0",
         "//target/ast10x0/peripherals",
+        "@ast1060_pac",
     ],
 )

target/ast10x0/board/src/lib.rs

@@ -18,7 +18,12 @@ pub mod monitor;
 pub mod spim_wiring;
 
 pub use monitor::Ast1060Monitor;
-pub use spim_wiring::{apply_spim_wiring, presets, SpimWiring, SpimWiringError};
+pub use spim_wiring::{
+    apply_spim_external_mux, apply_spim_pinctrl, apply_spim_wiring, apply_spim_wiring_with_log,
+    bmc_spim_csin_levels, bmc_spim_path_debug, enable_flash_power, presets,
+    release_spi_flash_resets, set_bmc_resets, spim_external_mux_state, BmcSpimPathDebug,
+    SpimWiring, SpimWiringError,
+};
 
 pub use ast10x0_peripherals::i2c::{I2cConfig, I2cError};
 
@@ -115,7 +120,7 @@ impl Ast10x0Board {
 /// This is a placeholder; production code should use a proper timer or delay provider.
 /// Spins for approximately `micros` microseconds.
 #[inline]
-fn delay_us(micros: u32) {
+pub fn delay_us(micros: u32) {
     // Very rough approximation: ~16 cycles per microsecond on Cortex-M4 @ ~50MHz
     // This is calibration-free but inaccurate; improve for production.
     for _ in 0..(micros * 16) {