introduce homescreen

firmware/fsm.c

@@ -463,7 +463,15 @@ void fsm_msgApplySettings(ApplySettings *msg)
 			return;
 		}
 	}
-	if (!msg->has_label && !msg->has_language && !msg->has_use_passphrase) {
+	if (msg->has_homescreen) {
+		layoutDialogSwipe(DIALOG_ICON_QUESTION, "Cancel", "Confirm", NULL, "Do you really want to", "change the home", "screen ?", NULL, NULL, NULL);
+		if (!protectButton(ButtonRequestType_ButtonRequest_ProtectCall, false)) {
+			fsm_sendFailure(FailureType_Failure_ActionCancelled, "Apply settings cancelled");
+			layoutHome();
+			return;
+		}
+	}
+	if (!msg->has_label && !msg->has_language && !msg->has_use_passphrase && !msg->has_homescreen) {
 		fsm_sendFailure(FailureType_Failure_SyntaxError, "No setting provided");
 		return;
 	}
@@ -480,6 +488,9 @@ void fsm_msgApplySettings(ApplySettings *msg)
 	if (msg->has_use_passphrase) {
 		storage_setPassphraseProtection(msg->use_passphrase);
 	}
+	if (msg->has_homescreen) {
+		storage_setHomescreen(msg->homescreen.bytes, msg->homescreen.size);
+	}
 	storage_commit();
 	fsm_sendSuccess("Settings applied");
 	layoutHome();

firmware/layout2.c

@@ -57,12 +57,21 @@ void layoutHome(void)
 		oledSwipeLeft();
 	}
 	const char *label = storage_getLabel();
+	const uint8_t *homescreen = storage_getHomescreen();
+	if (homescreen) {
+		BITMAP b;
+		b.width = 128;
+		b.height = 64;
+		b.data = homescreen;
+		oledDrawBitmap(0, 0, &b);
+	} else {
 		if (label && strlen(label) > 0) {
 			oledDrawBitmap(44, 4, &bmp_logo48);
 			oledDrawStringCenter(OLED_HEIGHT - 8, label);
 		} else {
 			oledDrawBitmap(40, 0, &bmp_logo64);
 		}
+	}
 	oledRefresh();
 }
 

firmware/protob/messages.options

@@ -8,6 +8,7 @@ Features.bootloader_hash		max_size:32
 
 ApplySettings.language			max_size:17
 ApplySettings.label			max_size:33
+ApplySettings.homescreen		max_size:1024
 
 Ping.message				max_size:256
 

firmware/protob/messages.pb.c

@@ -42,10 +42,11 @@ const pb_field_t ClearSession_fields[1] = {
     PB_LAST_FIELD
 };
 
-const pb_field_t ApplySettings_fields[4] = {
+const pb_field_t ApplySettings_fields[5] = {
     PB_FIELD2(  1, STRING  , OPTIONAL, STATIC  , FIRST, ApplySettings, language, language, 0),
     PB_FIELD2(  2, STRING  , OPTIONAL, STATIC  , OTHER, ApplySettings, label, language, 0),
     PB_FIELD2(  3, BOOL    , OPTIONAL, STATIC  , OTHER, ApplySettings, use_passphrase, label, 0),
+    PB_FIELD2(  4, BYTES   , OPTIONAL, STATIC  , OTHER, ApplySettings, homescreen, use_passphrase, 0),
     PB_LAST_FIELD
 };
 

firmware/protob/messages.pb.h

@@ -114,6 +114,11 @@ typedef struct _Address {
     char address[36];
 } Address;
 
+typedef struct {
+    size_t size;
+    uint8_t bytes[1024];
+} ApplySettings_homescreen_t;
+
 typedef struct _ApplySettings {
     bool has_language;
     char language[17];
@@ -121,6 +126,8 @@ typedef struct _ApplySettings {
     char label[33];
     bool has_use_passphrase;
     bool use_passphrase;
+    bool has_homescreen;
+    ApplySettings_homescreen_t homescreen;
 } ApplySettings;
 
 typedef struct _ButtonRequest {
@@ -584,7 +591,7 @@ extern const char SimpleSignTx_coin_name_default[17];
 #define Initialize_init_default                  {0}
 #define Features_init_default                    {false, "", false, 0, false, 0, false, 0, false, 0, false, "", false, 0, false, 0, false, "", false, "", 0, {CoinType_init_default, CoinType_init_default, CoinType_init_default, CoinType_init_default, CoinType_init_default}, false, 0, false, {0, {0}}, false, {0, {0}}, false, 0}
 #define ClearSession_init_default                {0}
-#define ApplySettings_init_default               {false, "", false, "", false, 0}
+#define ApplySettings_init_default               {false, "", false, "", false, 0, false, {0, {0}}}
 #define ChangePin_init_default                   {false, 0}
 #define Ping_init_default                        {false, "", false, 0, false, 0, false, 0}
 #define Success_init_default                     {false, ""}
@@ -635,7 +642,7 @@ extern const char SimpleSignTx_coin_name_default[17];
 #define Initialize_init_zero                     {0}
 #define Features_init_zero                       {false, "", false, 0, false, 0, false, 0, false, 0, false, "", false, 0, false, 0, false, "", false, "", 0, {CoinType_init_zero, CoinType_init_zero, CoinType_init_zero, CoinType_init_zero, CoinType_init_zero}, false, 0, false, {0, {0}}, false, {0, {0}}, false, 0}
 #define ClearSession_init_zero                   {0}
-#define ApplySettings_init_zero                  {false, "", false, "", false, 0}
+#define ApplySettings_init_zero                  {false, "", false, "", false, 0, false, {0, {0}}}
 #define ChangePin_init_zero                      {false, 0}
 #define Ping_init_zero                           {false, "", false, 0, false, 0, false, 0}
 #define Success_init_zero                        {false, ""}
@@ -689,6 +696,7 @@ extern const char SimpleSignTx_coin_name_default[17];
 #define ApplySettings_language_tag               1
 #define ApplySettings_label_tag                  2
 #define ApplySettings_use_passphrase_tag         3
+#define ApplySettings_homescreen_tag             4
 #define ButtonRequest_code_tag                   1
 #define ButtonRequest_data_tag                   2
 #define ChangePin_remove_tag                     1
@@ -811,7 +819,7 @@ extern const char SimpleSignTx_coin_name_default[17];
 extern const pb_field_t Initialize_fields[1];
 extern const pb_field_t Features_fields[16];
 extern const pb_field_t ClearSession_fields[1];
-extern const pb_field_t ApplySettings_fields[4];
+extern const pb_field_t ApplySettings_fields[5];
 extern const pb_field_t ChangePin_fields[2];
 extern const pb_field_t Ping_fields[5];
 extern const pb_field_t Success_fields[2];
@@ -864,7 +872,7 @@ extern const pb_field_t DebugLinkLog_fields[4];
 #define Initialize_size                          0
 #define Features_size                            (230 + 5*CoinType_size)
 #define ClearSession_size                        0
-#define ApplySettings_size                       56
+#define ApplySettings_size                       1083
 #define ChangePin_size                           2
 #define Ping_size                                265
 #define Success_size                             259

firmware/protob/storage.options

@@ -2,3 +2,4 @@ Storage.mnemonic	max_size:241
 Storage.pin		max_size:10
 Storage.language	max_size:17
 Storage.label		max_size:33
+Storage.homescreen	max_size:1024

firmware/protob/storage.pb.c

@@ -5,7 +5,7 @@
 
 
 
-const pb_field_t Storage_fields[10] = {
+const pb_field_t Storage_fields[11] = {
     PB_FIELD2(  1, UINT32  , REQUIRED, STATIC  , FIRST, Storage, version, version, 0),
     PB_FIELD2(  2, MESSAGE , OPTIONAL, STATIC  , OTHER, Storage, node, version, &HDNodeType_fields),
     PB_FIELD2(  3, STRING  , OPTIONAL, STATIC  , OTHER, Storage, mnemonic, node, 0),
@@ -15,6 +15,7 @@ const pb_field_t Storage_fields[10] = {
     PB_FIELD2(  7, STRING  , OPTIONAL, STATIC  , OTHER, Storage, language, pin, 0),
     PB_FIELD2(  8, STRING  , OPTIONAL, STATIC  , OTHER, Storage, label, language, 0),
     PB_FIELD2(  9, BOOL    , OPTIONAL, STATIC  , OTHER, Storage, imported, label, 0),
+    PB_FIELD2( 10, BYTES   , OPTIONAL, STATIC  , OTHER, Storage, homescreen, imported, 0),
     PB_LAST_FIELD
 };
 
@@ -32,14 +33,7 @@ STATIC_ASSERT((pb_membersize(Storage, node) < 65536), YOU_MUST_DEFINE_PB_FIELD_3
 #endif
 
 #if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
-/* If you get an error here, it means that you need to define PB_FIELD_16BIT
+#error Field descriptor for Storage.homescreen is too large. Define PB_FIELD_16BIT to fix this.
- * compile-time option. You can do that in pb.h or on compiler command line.
- * 
- * The reason you need to do this is that some of your messages contain tag
- * numbers or field sizes that are larger than what can fit in the default
- * 8 bit descriptors.
- */
-STATIC_ASSERT((pb_membersize(Storage, node) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_Storage)
 #endif
 
 

firmware/protob/storage.pb.h

@@ -12,6 +12,11 @@ extern "C" {
 
 /* Enum definitions */
 /* Struct definitions */
+typedef struct {
+    size_t size;
+    uint8_t bytes[1024];
+} Storage_homescreen_t;
+
 typedef struct _Storage {
     uint32_t version;
     bool has_node;
@@ -30,13 +35,15 @@ typedef struct _Storage {
     char label[33];
     bool has_imported;
     bool imported;
+    bool has_homescreen;
+    Storage_homescreen_t homescreen;
 } Storage;
 
 /* Default values for struct fields */
 
 /* Initializer values for message structs */
-#define Storage_init_default                     {0, false, HDNodeType_init_default, false, "", false, 0, false, 0, false, "", false, "", false, "", false, 0}
+#define Storage_init_default                     {0, false, HDNodeType_init_default, false, "", false, 0, false, 0, false, "", false, "", false, "", false, 0, false, {0, {0}}}
-#define Storage_init_zero                        {0, false, HDNodeType_init_zero, false, "", false, 0, false, 0, false, "", false, "", false, "", false, 0}
+#define Storage_init_zero                        {0, false, HDNodeType_init_zero, false, "", false, 0, false, 0, false, "", false, "", false, "", false, 0, false, {0, {0}}}
 
 /* Field tags (for use in manual encoding/decoding) */
 #define Storage_version_tag                      1
@@ -48,12 +55,13 @@ typedef struct _Storage {
 #define Storage_language_tag                     7
 #define Storage_label_tag                        8
 #define Storage_imported_tag                     9
+#define Storage_homescreen_tag                   10
 
 /* Struct field encoding specification for nanopb */
-extern const pb_field_t Storage_fields[10];
+extern const pb_field_t Storage_fields[11];
 
 /* Maximum encoded size of messages (where known) */
-#define Storage_size                             (332 + HDNodeType_size)
+#define Storage_size                             (1359 + HDNodeType_size)
 
 #ifdef __cplusplus
 } /* extern "C" */

firmware/storage.c

@@ -220,6 +220,19 @@ void storage_setPassphraseProtection(bool passphrase_protection)
 	storage.passphrase_protection = passphrase_protection;
 }
 
+void storage_setHomescreen(const uint8_t *data, uint32_t size)
+{
+	if (data && size == 1024) {
+		storage.has_homescreen = true;
+		memcpy(storage.homescreen.bytes, data, size);
+		storage.homescreen.size = size;
+	} else {
+		storage.has_homescreen = false;
+		memset(storage.homescreen.bytes, 0, sizeof(storage.homescreen.bytes));
+		storage.homescreen.size = 0;
+	}
+}
+
 void get_root_node_callback(uint32_t iter, uint32_t total)
 {
 	layoutProgress("Waking up", 1000 * iter / total);
@@ -285,6 +298,11 @@ const char *storage_getLanguage(void)
 	return storage.has_language ? storage.language : 0;
 }
 
+const uint8_t *storage_getHomescreen(void)
+{
+	return (storage.has_homescreen && storage.homescreen.size == 1024) ? storage.homescreen.bytes : 0;
+}
+
 bool storage_isPinCorrect(const char *pin)
 {
 	return strcmp(storage.pin, pin) == 0;

firmware/storage.h

@@ -43,6 +43,9 @@ void storage_setLanguage(const char *lang);
 
 void storage_setPassphraseProtection(bool passphrase_protection);
 
+const uint8_t *storage_getHomescreen(void);
+void storage_setHomescreen(const uint8_t *data, uint32_t size);
+
 void session_cachePassphrase(const char *passphrase);
 bool session_isPassphraseCached(void);
 

trezor-common

@@ -1 +1 @@
-Subproject commit f5d880c96c72c298e0fb412bcb1abba6a4ddac02
+Subproject commit 201b66a559567031f74621615884946c8bf1e837