feat(core/prodtest): show device ID in prodtest QR code

core/embed/projects/prodtest/.changelog.d/4735.changed

@@ -0,0 +1 @@
+Show device ID in protest QR code.

core/embed/projects/prodtest/main.c

@@ -165,13 +165,11 @@ static void usb_init_all(void) {
 }
 
 static void show_welcome_screen(void) {
-  char dom[32] = {0};
-  // format: {MODEL_IDENTIFIER}YYMMDD
-  if ((sectrue ==
-           flash_otp_read(FLASH_OTP_BLOCK_BATCH, 0, (uint8_t *)dom, 32) &&
-       dom[31] == 0 && cstr_starts_with(dom, MODEL_IDENTIFIER))) {
-    screen_prodtest_info(dom, strlen(dom), dom + sizeof(MODEL_IDENTIFIER) - 1,
-                         strlen(dom) - sizeof(MODEL_IDENTIFIER) + 1);
+  char device_id[32] = {0};
+  if ((sectrue == flash_otp_read(FLASH_OTP_BLOCK_DEVICE_ID, 0,
+                                 (uint8_t *)device_id, 32) &&
+       device_id[31] == 0)) {
+    screen_prodtest_info(device_id, strlen(device_id));
   } else {
     screen_prodtest_welcome();
   }

core/embed/rust/rust_ui_prodtest.h

@@ -1,7 +1,6 @@
 #include <trezor_types.h>
 
-void screen_prodtest_info(char* id, uint8_t id_len, char* date,
-                          uint8_t date_len);
+void screen_prodtest_info(char* id, uint8_t id_len);
 
 void screen_prodtest_welcome(void);
 

core/embed/rust/src/ui/api/prodtest_c.rs

@@ -15,16 +15,10 @@ extern "C" fn screen_prodtest_welcome() {
 }
 
 #[no_mangle]
-extern "C" fn screen_prodtest_info(
-    id: *const cty::c_char,
-    id_len: u8,
-    date: *const cty::c_char,
-    date_len: u8,
-) {
+extern "C" fn screen_prodtest_info(id: *const cty::c_char, id_len: u8) {
     let id = unwrap!(unsafe { from_c_array(id, id_len as usize) });
-    let date = unwrap!(unsafe { from_c_array(date, date_len as usize) });
 
-    ModelUI::screen_prodtest_info(id, date);
+    ModelUI::screen_prodtest_info(id);
 }
 
 #[no_mangle]

core/embed/rust/src/ui/layout_bolt/prodtest/mod.rs

@@ -31,7 +31,7 @@ impl ProdtestUI for UIBolt {
         display::fade_backlight_duration(theme::backlight::get_backlight_normal(), 150);
     }
 
-    fn screen_prodtest_info(id: &str, date: &str) {
+    fn screen_prodtest_info(id: &str) {
         display::sync();
         let qr = Qr::new(id, true);
         let mut qr = unwrap!(qr).with_border(4);
@@ -50,7 +50,7 @@ impl ProdtestUI for UIBolt {
 
             shape::Text::new(
                 screen().bottom_center() - Offset::y(10),
-                date,
+                id,
                 fonts::FONT_BOLD_UPPER,
             )
             .with_fg(Color::white())

core/embed/rust/src/ui/layout_caesar/prodtest/mod.rs

@@ -29,7 +29,7 @@ impl ProdtestUI for UICaesar {
         display::refresh();
     }
 
-    fn screen_prodtest_info(id: &str, date: &str) {
+    fn screen_prodtest_info(id: &str) {
         display::sync();
         let qr = Qr::new(id, true);
         let mut qr = unwrap!(qr).with_border(1);
@@ -43,7 +43,7 @@ impl ProdtestUI for UICaesar {
         render_on_display(None, Some(Color::black()), |target| {
             qr.render(target);
 
-            shape::Text::new(screen().bottom_center(), date, fonts::FONT_BOLD_UPPER)
+            shape::Text::new(screen().bottom_center(), id, fonts::FONT_BOLD_UPPER)
                 .with_fg(Color::white())
                 .with_align(Alignment::Center)
                 .render(target);

core/embed/rust/src/ui/ui_prodtest.rs

@@ -7,7 +7,7 @@ use heapless::Vec;
 pub trait ProdtestUI {
     fn screen_prodtest_welcome();
 
-    fn screen_prodtest_info(id: &str, date: &str);
+    fn screen_prodtest_info(id: &str);
 
     fn screen_prodtest_show_text(text: &str);