diff --git a/examples/stm32wb/src/bin/tl_mbox.rs b/examples/stm32wb/src/bin/tl_mbox.rs
index 18d93a279..8f4e70af0 100644
--- a/examples/stm32wb/src/bin/tl_mbox.rs
+++ b/examples/stm32wb/src/bin/tl_mbox.rs
@@ -4,8 +4,7 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::ipcc::Config;
-use embassy_stm32::tl_mbox::TlMbox;
+use embassy_stm32::tl_mbox::{Config, TlMbox};
 use embassy_stm32::{bind_interrupts, tl_mbox};
 use embassy_time::{Duration, Timer};
 use {defmt_rtt as _, panic_probe as _};
@@ -41,16 +40,16 @@ async fn main(_spawner: Spawner) {
         Note: extended stack versions are not supported at this time. Do not attempt to install a stack with "extended" in the name.
     */
 
-    let _p = embassy_stm32::init(Default::default());
+    let p = embassy_stm32::init(Default::default());
     info!("Hello World!");
 
     let config = Config::default();
-    let mbox = TlMbox::init(Irqs, config);
+    let mbox = TlMbox::new(p.IPCC, Irqs, config);
 
     loop {
         let wireless_fw_info = mbox.wireless_fw_info();
         match wireless_fw_info {
-            None => error!("not yet initialized"),
+            None => info!("not yet initialized"),
             Some(fw_info) => {
                 let version_major = fw_info.version_major();
                 let version_minor = fw_info.version_minor();
@@ -68,6 +67,9 @@ async fn main(_spawner: Spawner) {
             }
         }
 
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after(Duration::from_millis(50)).await;
     }
+
+    info!("Test OK");
+    cortex_m::asm::bkpt();
 }
diff --git a/examples/stm32wb/src/bin/tl_mbox_tx_rx.rs b/examples/stm32wb/src/bin/tl_mbox_tx_rx.rs
index 41c450a53..1724d946f 100644
--- a/examples/stm32wb/src/bin/tl_mbox_tx_rx.rs
+++ b/examples/stm32wb/src/bin/tl_mbox_tx_rx.rs
@@ -4,8 +4,7 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::ipcc::Config;
-use embassy_stm32::tl_mbox::TlMbox;
+use embassy_stm32::tl_mbox::{Config, TlMbox};
 use embassy_stm32::{bind_interrupts, tl_mbox};
 use {defmt_rtt as _, panic_probe as _};
 
@@ -40,11 +39,11 @@ async fn main(_spawner: Spawner) {
         Note: extended stack versions are not supported at this time. Do not attempt to install a stack with "extended" in the name.
     */
 
-    let _p = embassy_stm32::init(Default::default());
+    let p = embassy_stm32::init(Default::default());
     info!("Hello World!");
 
     let config = Config::default();
-    let mbox = TlMbox::init(Irqs, config);
+    let mbox = TlMbox::new(p.IPCC, Irqs, config);
 
     info!("waiting for coprocessor to boot");
     let event_box = mbox.read().await;
@@ -94,5 +93,6 @@ async fn main(_spawner: Spawner) {
         payload[3..]
     );
 
-    loop {}
+    info!("Test OK");
+    cortex_m::asm::bkpt();
 }
diff --git a/tests/stm32/.cargo/config.toml b/tests/stm32/.cargo/config.toml
index 29c4799a1..48588f0b7 100644
--- a/tests/stm32/.cargo/config.toml
+++ b/tests/stm32/.cargo/config.toml
@@ -3,8 +3,10 @@ build-std = ["core"]
 build-std-features = ["panic_immediate_abort"]
 
 [target.'cfg(all(target_arch = "arm", target_os = "none"))']
-runner = "teleprobe client run --target bluepill-stm32f103c8 --elf"
+#runner = "teleprobe client run --target bluepill-stm32f103c8 --elf"
 #runner = "teleprobe local run --chip STM32F103C8 --elf"
+#runner = "teleprobe local run --chip STM32WB55RG --elf"
+runner = "probe-run --chip STM32WB55RG"
 
 rustflags = [
   # Code-size optimizations.
@@ -14,7 +16,7 @@ rustflags = [
 ]
 
 [build]
-target = "thumbv7m-none-eabi"
+target = "thumbv7em-none-eabi"
 
 [env]
 DEFMT_LOG = "trace"
diff --git a/tests/stm32/Cargo.toml b/tests/stm32/Cargo.toml
index bd8d90abe..23b5f9caa 100644
--- a/tests/stm32/Cargo.toml
+++ b/tests/stm32/Cargo.toml
@@ -12,7 +12,7 @@ stm32g071rb = ["embassy-stm32/stm32g071rb", "not-gpdma"]     # Nucleo
 stm32c031c6 = ["embassy-stm32/stm32c031c6", "not-gpdma"]     # Nucleo
 stm32g491re = ["embassy-stm32/stm32g491re", "not-gpdma"]     # Nucleo
 stm32h755zi = ["embassy-stm32/stm32h755zi-cm7", "not-gpdma"] # Nucleo
-stm32wb55rg = ["embassy-stm32/stm32wb55rg", "not-gpdma"]     # Nucleo
+stm32wb55rg = ["embassy-stm32/stm32wb55rg", "not-gpdma", "ble"]     # Nucleo
 stm32h563zi = ["embassy-stm32/stm32h563zi"]     # Nucleo
 stm32u585ai = ["embassy-stm32/stm32u585ai"]     # IoT board
 
@@ -45,8 +45,8 @@ chrono = { version = "^0.4", default-features = false, optional = true}
 # BEGIN TESTS
 # Generated by gen_test.py. DO NOT EDIT.
 [[bin]]
-name = "ble"
-path = "src/bin/ble.rs"
+name = "tl_mbox"
+path = "src/bin/tl_mbox.rs"
 required-features = [ "ble",]
 
 [[bin]]
diff --git a/tests/stm32/build.rs b/tests/stm32/build.rs
index ca76b70bb..b4583147e 100644
--- a/tests/stm32/build.rs
+++ b/tests/stm32/build.rs
@@ -9,17 +9,22 @@ fn main() -> Result<(), Box<dyn Error>> {
     println!("cargo:rustc-link-arg-bins=--nmagic");
 
     // too little RAM to run from RAM.
-    if cfg!(any(feature = "stm32f103c8", feature = "stm32c031c6")) {
+    if cfg!(any(
+        feature = "stm32f103c8",
+        feature = "stm32c031c6",
+        feature = "stm32wb55rg"
+    )) {
         println!("cargo:rustc-link-arg-bins=-Tlink.x");
         println!("cargo:rerun-if-changed=link.x");
-    } else if cfg!(feature = "stm32wb55rg") {
-        println!("cargo:rustc-link-arg-bins=-Tlink.x");
-        fs::write(out.join("memory.x"), include_bytes!("memory_ble.x")).unwrap();
     } else {
         println!("cargo:rustc-link-arg-bins=-Tlink_ram.x");
         println!("cargo:rerun-if-changed=link_ram.x");
     }
 
+    if cfg!(feature = "stm32wb55rg") {
+        println!("cargo:rustc-link-arg-bins=-Ttl_mbox.x");
+    }
+
     println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
 
     Ok(())
diff --git a/tests/stm32/src/bin/ble.rs b/tests/stm32/src/bin/tl_mbox.rs
similarity index 89%
rename from tests/stm32/src/bin/ble.rs
rename to tests/stm32/src/bin/tl_mbox.rs
index db5cc611d..626e7ac6f 100644
--- a/tests/stm32/src/bin/ble.rs
+++ b/tests/stm32/src/bin/tl_mbox.rs
@@ -7,8 +7,7 @@
 #[path = "../example_common.rs"]
 mod example_common;
 use embassy_executor::Spawner;
-use embassy_stm32::ipcc::Config;
-use embassy_stm32::tl_mbox::TlMbox;
+use embassy_stm32::tl_mbox::{Config, TlMbox};
 use embassy_stm32::{bind_interrupts, tl_mbox};
 use embassy_time::{Duration, Timer};
 use example_common::*;
@@ -20,11 +19,11 @@ bind_interrupts!(struct Irqs{
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
-    let _p = embassy_stm32::init(config());
+    let p = embassy_stm32::init(config());
     info!("Hello World!");
 
     let config = Config::default();
-    let mbox = TlMbox::init(Irqs, config);
+    let mbox = TlMbox::new(p.IPCC, Irqs, config);
 
     loop {
         let wireless_fw_info = mbox.wireless_fw_info();