Add Flex support.

src/app_ui/address.rs

@@ -18,15 +18,15 @@
 use crate::AppSW;
 use core::str::from_utf8_mut;
 
-#[cfg(not(target_os = "stax"))]
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
 use ledger_device_sdk::ui::bitmaps::{CROSSMARK, EYE, VALIDATE_14};
-#[cfg(not(target_os = "stax"))]
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
 use ledger_device_sdk::ui::gadgets::{Field, MultiFieldReview};
 
-#[cfg(target_os = "stax")]
+#[cfg(any(target_os = "stax", target_os = "flex"))]
 use ledger_device_sdk::nbgl::{NbglAddressConfirm, NbglGlyph};
 
-#[cfg(target_os = "stax")]
+#[cfg(any(target_os = "stax", target_os = "flex"))]
 use include_gif::include_gif;
 
 // Display only the last 20 bytes of the address
@@ -43,7 +43,7 @@ pub fn ui_display_pk(addr: &[u8]) -> Result<bool, AppSW> {
     let addr_hex = from_utf8_mut(&mut addr_hex).unwrap();
     addr_hex[2..].make_ascii_uppercase();
 
-    #[cfg(not(target_os = "stax"))]
+    #[cfg(not(any(target_os = "stax", target_os = "flex")))]
     {
         let my_field = [Field {
             name: "Address",
@@ -63,7 +63,7 @@ pub fn ui_display_pk(addr: &[u8]) -> Result<bool, AppSW> {
         Ok(my_review.show())
     }
 
-    #[cfg(target_os = "stax")]
+    #[cfg(any(target_os = "stax", target_os = "flex"))]
     {
         // Load glyph from 64x64 4bpp gif file with include_gif macro. Creates an NBGL compatible glyph.
         const FERRIS: NbglGlyph = NbglGlyph::from_include(include_gif!("crab_64x64.gif", NBGL));

src/app_ui/menu.rs

@@ -18,17 +18,17 @@
 use include_gif::include_gif;
 use ledger_device_sdk::io::{Comm, Event};
 
-#[cfg(not(target_os = "stax"))]
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
 use ledger_device_sdk::ui::bitmaps::{Glyph, BACK, CERTIFICATE, DASHBOARD_X};
-#[cfg(not(target_os = "stax"))]
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
 use ledger_device_sdk::ui::gadgets::{EventOrPageIndex, MultiPageMenu, Page};
 
-#[cfg(target_os = "stax")]
+#[cfg(any(target_os = "stax", target_os = "flex"))]
 use ledger_device_sdk::nbgl::{NbglGlyph, NbglHome};
 
 use crate::Instruction;
 
-#[cfg(not(target_os = "stax"))]
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
 fn ui_about_menu(comm: &mut Comm) -> Event<Instruction> {
     let pages = [
         &Page::from((["Rust Boilerplate", "(c) 2023 Ledger"], true)),
@@ -43,7 +43,7 @@ fn ui_about_menu(comm: &mut Comm) -> Event<Instruction> {
     }
 }
 
-#[cfg(not(target_os = "stax"))]
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
 pub fn ui_menu_main(comm: &mut Comm) -> Event<Instruction> {
     const APP_ICON: Glyph = Glyph::from_include(include_gif!("crab.gif"));
     let pages = [
@@ -64,14 +64,14 @@ pub fn ui_menu_main(comm: &mut Comm) -> Event<Instruction> {
     }
 }
 
-#[cfg(target_os = "stax")]
+#[cfg(any(target_os = "stax", target_os = "flex"))]
 pub fn ui_menu_main(comm: &mut Comm) -> Event<Instruction> {
     // Load glyph from 64x64 4bpp gif file with include_gif macro. Creates an NBGL compatible glyph.
     const FERRIS: NbglGlyph = NbglGlyph::from_include(include_gif!("crab_64x64.gif", NBGL));
     // Display the home screen.
     NbglHome::new(comm)
-        .app_name("Boilerplate")
-        .info_contents(env!("CARGO_PKG_VERSION"), env!("CARGO_PKG_AUTHORS"))
         .glyph(&FERRIS)
+        // .app_name("Boilerplate")
+        .infos("Boilerplate", env!("CARGO_PKG_VERSION"), env!("CARGO_PKG_AUTHORS"))
         .show()
 }

src/app_ui/sign.rs

@@ -18,14 +18,14 @@ use crate::handlers::sign_tx::Tx;
 use crate::utils::concatenate;
 use crate::AppSW;
 
-#[cfg(not(target_os = "stax"))]
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
 use ledger_device_sdk::ui::bitmaps::{CROSSMARK, EYE, VALIDATE_14};
-#[cfg(not(target_os = "stax"))]
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
 use ledger_device_sdk::ui::gadgets::{Field, MultiFieldReview};
 
-#[cfg(target_os = "stax")]
+#[cfg(any(target_os = "stax", target_os = "flex"))]
 use include_gif::include_gif;
-#[cfg(target_os = "stax")]
+#[cfg(any(target_os = "stax", target_os = "flex"))]
 use ledger_device_sdk::nbgl::{Field, NbglGlyph, NbglReview};
 
 use numtoa::NumToA;
@@ -73,7 +73,7 @@ pub fn ui_display_tx(tx: &Tx) -> Result<bool, AppSW> {
     ];
 
     // Create transaction review
-    #[cfg(not(target_os = "stax"))]
+    #[cfg(not(any(target_os = "stax", target_os = "flex")))]
     {
         let my_review = MultiFieldReview::new(
             &my_fields,
@@ -88,7 +88,7 @@ pub fn ui_display_tx(tx: &Tx) -> Result<bool, AppSW> {
         Ok(my_review.show())
     }
 
-    #[cfg(target_os = "stax")]
+    #[cfg(any(target_os = "stax", target_os = "flex"))]
     {
         // Load glyph from 64x64 4bpp gif file with include_gif macro. Creates an NBGL compatible glyph.
         const FERRIS: NbglGlyph = NbglGlyph::from_include(include_gif!("crab_64x64.gif", NBGL));

src/main.rs

@@ -38,9 +38,9 @@ use handlers::{
 };
 use ledger_device_sdk::io::{ApduHeader, Comm, Event, Reply, StatusWords};
 #[cfg(feature = "pending_review_screen")]
-#[cfg(not(target_os = "stax"))]
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
 use ledger_device_sdk::ui::gadgets::display_pending_review;
-#[cfg(not(target_os = "stax"))]
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
 ledger_device_sdk::set_panic!(ledger_device_sdk::exiting_panic);
 
 // P2 for last APDU to receive.
@@ -128,7 +128,7 @@ extern "C" fn sample_main() {
     // Developer mode / pending review popup
     // must be cleared with user interaction
     #[cfg(feature = "pending_review_screen")]
-    #[cfg(not(target_os = "stax"))]
+    #[cfg(not(any(target_os = "stax", target_os = "flex")))]
     display_pending_review(&mut comm);
 
     let mut tx_ctx = TxContext::new();