trng: Add dedicated constructors without configuration

These three constructors guarantee TRNG will work for the requested
amount of entropy samples.

1 files changed, 20 insertions, 2 deletions

diff --git a/examples/mcxa/src/bin/trng.rs b/examples/mcxa/src/bin/trng.rs
index 95b4d0a88..bdd1f1041 100644
--- a/examples/mcxa/src/bin/trng.rs
+++ b/examples/mcxa/src/bin/trng.rs
@@ -21,8 +21,26 @@ async fn main(_spawner: Spawner) {
 
     defmt::info!("TRNG example");
 
+    let mut trng = Trng::new_128(p.TRNG0.reborrow());
+    let rand = trng.blocking_next_u32();
+    defmt::info!("128-bit {}", rand);
+
+    drop(trng);
+
+    let mut trng = Trng::new_256(p.TRNG0.reborrow());
+    let rand = trng.blocking_next_u32();
+    defmt::info!("256-bit {}", rand);
+
+    drop(trng);
+
+    let mut trng = Trng::new_512(p.TRNG0.reborrow());
+    let rand = trng.blocking_next_u32();
+    defmt::info!("512-bit {}", rand);
+
+    drop(trng);
+
     let config = trng::Config::default();
-    let mut trng = Trng::new(p.TRNG0.reborrow(), config);
+    let mut trng = Trng::new_with_custom_config(p.TRNG0.reborrow(), config);
 
     defmt::info!("========== BLOCKING ==========");
 
@@ -57,7 +75,7 @@ async fn main(_spawner: Spawner) {
 
     defmt::info!("========== ASYNC ==========");
 
-    let mut trng = AsyncTrng::new(p.TRNG0.reborrow(), Irqs, config);
+    let mut trng = AsyncTrng::new_with_custom_config(p.TRNG0.reborrow(), Irqs, config);
 
     defmt::info!("Generate 10 u32");
     for _ in 0..10 {