Add Stax support

Makefile

@@ -49,6 +49,7 @@ INCLUDES_PATH += $(BOLOS_SDK)/lib_cxng/src
 ICON_NANOS = icons/gpg_16px.gif
 ICON_NANOX = icons/gpg_14px.gif
 ICON_NANOSP = icons/gpg_14px.gif
+ICON_STAX = icons/gpg_32px.gif
 
 # Application allowed derivation curves.
 # Possibles curves are: secp256k1, secp256r1, ed25519 and bls12381g1
@@ -97,7 +98,7 @@ VARIANT_VALUES = OpenPGP
 ########################################
 #ENABLE_NBGL_QRCODE = 1
 #ENABLE_NBGL_KEYBOARD = 1
-#ENABLE_NBGL_KEYPAD = 1
+ENABLE_NBGL_KEYPAD = 1
 
 ########################################
 #          Features disablers          #

ledger_app.toml

@@ -1,7 +1,7 @@
 [app]
 build_directory = "./"
 sdk = "C"
-devices = ["nanos", "nanox", "nanos+"]
+devices = ["nanos", "nanox", "nanos+", "stax"]
 
 [tests]
 unit_directory = "./unit-tests/"

src/gpg_types.h

@@ -21,6 +21,9 @@
 #include "lcx_sha3.h"
 #include "usbd_ccid_if.h"
 #include "bolos_target.h"
+#ifdef HAVE_NBGL
+#include "nbgl_layout.h"
+#endif
 
 /* cannot send more that F0 bytes in CCID, why? do not know for now
  *  So set up length to F0 minus 2 bytes for SW
@@ -256,6 +259,7 @@ struct gpg_v_state_s {
     /* PINs state */
     unsigned char verified_pin[5];
     unsigned char pinmode;
+    unsigned char pinmode_req;
 
     /* ux menus */
     char menu[112];
@@ -273,6 +277,15 @@ struct gpg_v_state_s {
     char ux_buff3[32];
 #endif
 
+#ifdef HAVE_NBGL
+    char line[112];
+    unsigned int ux_step;
+    unsigned int keypadIndex;
+    unsigned int hiddenDigitsIndex;
+    unsigned char pinLen;
+    nbgl_layout_t *layoutCtx;
+#endif
+
 #ifdef GPG_LOG
     unsigned char log_buffer[32];
 #endif