1 files changed, 9 insertions, 2 deletions

diff --git a/examples/nrf/src/bin/usb_serial_multitask.rs b/examples/nrf/src/bin/usb_serial_multitask.rs
index 31e0af483..0e82ba313 100644
--- a/examples/nrf/src/bin/usb_serial_multitask.rs
+++ b/examples/nrf/src/bin/usb_serial_multitask.rs
@@ -60,11 +60,18 @@ async fn main(spawner: Spawner, p: Peripherals) {
     config.max_power = 100;
     config.max_packet_size_0 = 64;
 
+    // Required for windows compatiblity.
+    // https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.9.1/kconfig/CONFIG_CDC_ACM_IAD.html#help
+    config.device_class = 0xEF;
+    config.device_sub_class = 0x02;
+    config.device_protocol = 0x01;
+    config.composite_with_iads = true;
+
     struct Resources {
         device_descriptor: [u8; 256],
         config_descriptor: [u8; 256],
         bos_descriptor: [u8; 256],
-        control_buf: [u8; 7],
+        control_buf: [u8; 64],
         serial_state: State<'static>,
     }
     static RESOURCES: Forever<Resources> = Forever::new();
@@ -72,7 +79,7 @@ async fn main(spawner: Spawner, p: Peripherals) {
         device_descriptor: [0; 256],
         config_descriptor: [0; 256],
         bos_descriptor: [0; 256],
-        control_buf: [0; 7],
+        control_buf: [0; 64],
         serial_state: State::new(),
     });