subghz marantec protocol implement crc verification and add manually

fix crc function, add valid/invalid display (does not affect TX) and use new crc sum in add manually menu

applications/main/subghz/helpers/subghz_custom_event.h

@@ -126,6 +126,8 @@ typedef enum {
     SetTypeHollarm_433,
     SetTypeReversRB2_433,
     SetTypeMarantec24_868,
+    SetTypeMarantec_433,
+    SetTypeMarantec_868,
     SetTypeLinear_300_00,
     // SetTypeNeroSketch, //Deleted in OFW
     // SetTypeNeroRadio, //Deleted in OFW

applications/main/subghz/helpers/subghz_txrx_create_protocol_key.c

@@ -6,6 +6,7 @@
 #include <lib/subghz/protocols/secplus_v1.h>
 #include <lib/subghz/protocols/secplus_v2.h>
 #include <lib/subghz/protocols/nice_flor_s.h>
+#include <lib/subghz/protocols/marantec.h>
 
 #include <flipper_format/flipper_format_i.h>
 #include <lib/toolbox/stream/stream.h>
@@ -395,3 +396,27 @@ void subghz_txrx_gen_serial_gangqi(uint64_t* result_key) {
     // serial | const_and_button
     *result_key = (serial << 18) | (const_and_button << 10) | (bytesum << 2);
 }
+
+void subghz_txrx_gen_key_marantec(uint64_t* result_key) {
+    uint64_t randkey = (uint64_t)rand();
+    uint32_t serial = (uint32_t)((randkey) & 0xFFFFF);
+    // 0x130 is the constant
+    // 0x4 is the button code
+    // 0x86 is the serial constant
+    // serial is random value that we pre generate above
+    // At the end we will put the crc sum
+    uint64_t full_key_no_crc = (uint64_t)((uint64_t)0x130 << 40 | (uint64_t)serial << 20 |
+                                          (uint64_t)0x4 << 16 | (uint64_t)0x86 << 8);
+
+    uint8_t tdata[6] = {
+        full_key_no_crc >> 48,
+        full_key_no_crc >> 40,
+        full_key_no_crc >> 32,
+        full_key_no_crc >> 24,
+        full_key_no_crc >> 16,
+        full_key_no_crc >> 8};
+
+    uint8_t crc = subghz_protocol_marantec_crc8(tdata, sizeof(tdata));
+
+    *result_key = ((full_key_no_crc >> 8) << 8) | crc;
+}

applications/main/subghz/helpers/subghz_txrx_create_protocol_key.h

@@ -153,3 +153,10 @@ bool subghz_txrx_gen_secplus_v1_protocol(
  * @return uint64_t if success
  */
 void subghz_txrx_gen_serial_gangqi(uint64_t* result_key);
+
+/**
+ * Generate key for Marantec protocol
+ * 
+ * @param result_key Pointer to a uint64_t where the key will be stored
+ */
+void subghz_txrx_gen_key_marantec(uint64_t* result_key);

applications/main/subghz/scenes/subghz_scene_set_type.c

@@ -71,6 +71,8 @@ static const char* submenu_names[SetTypeMAX] = {
     [SetTypeHollarm_433] = "Hollarm 433MHz",
     [SetTypeReversRB2_433] = "Revers RB2 433MHz",
     [SetTypeMarantec24_868] = "Marantec24 868MHz",
+    [SetTypeMarantec_433] = "Marantec 433MHz",
+    [SetTypeMarantec_868] = "Marantec 868MHz",
     [SetTypeBETT_433] = "BETT 433MHz",
     [SetTypeLinear_300_00] = "Linear 300MHz",
     // [SetTypeNeroSketch] = "Nero Sketch", // Deleted in OFW
@@ -192,6 +194,9 @@ bool subghz_scene_set_type_on_event(void* context, SceneManagerEvent event) {
         uint64_t gangqi_key;
         subghz_txrx_gen_serial_gangqi(&gangqi_key);
 
+        uint64_t marantec_key;
+        subghz_txrx_gen_key_marantec(&marantec_key);
+
         GenInfo gen_info = {0};
         switch(event.event) {
         case SetTypePricenton433:
@@ -360,6 +365,28 @@ bool subghz_scene_set_type_on_event(void* context, SceneManagerEvent event) {
                 .data.bits = 24,
                 .data.te = 0};
             break;
+        case SetTypeMarantec_433:
+            gen_info = (GenInfo){
+                .type = GenData,
+                .mod = "AM650",
+                .freq = 433920000,
+                .data.name =
+                    SUBGHZ_PROTOCOL_MARANTEC_NAME, // Button code is 0x4 and crc sum to the end
+                .data.key = marantec_key,
+                .data.bits = 49,
+                .data.te = 0};
+            break;
+        case SetTypeMarantec_868:
+            gen_info = (GenInfo){
+                .type = GenData,
+                .mod = "AM650",
+                .freq = 868350000,
+                .data.name =
+                    SUBGHZ_PROTOCOL_MARANTEC_NAME, // Button code is 0x4 and crc sum to the end
+                .data.key = marantec_key,
+                .data.bits = 49,
+                .data.te = 0};
+            break;
         case SetTypeFaacSLH_433:
             gen_info = (GenInfo){
                 .type = GenFaacSLH,