[FL-3075] Pin Reset (#2367)

* Nfc: fix PVS warnings
* Factory reset combo, initial version
* Recovery screen and correct input pin initialization
* Better pin and factory reset message
* Down to cancel factory reset

firmware/targets/f7/Src/main.c

@@ -49,6 +49,10 @@ int main() {
         // But if we do, abandon to avoid bootloops
         furi_hal_rtc_set_boot_mode(FuriHalRtcBootModeNormal);
         furi_hal_power_reset();
+    } else if(!furi_hal_gpio_read(&gpio_button_up)) {
+        furi_hal_light_sequence("rgb WR");
+        flipper_boot_recovery_exec();
+        furi_hal_power_reset();
     } else {
         furi_hal_light_sequence("rgb G");
         furi_thread_start(main_thread);

firmware/targets/f7/Src/recovery.c

@@ -0,0 +1,54 @@
+#include <furi.h>
+#include <furi_hal.h>
+#include <flipper.h>
+#include <alt_boot.h>
+#include <u8g2_glue.h>
+#include <assets_icons.h>
+
+#define COUNTER_VALUE (100U)
+
+static void flipper_boot_recovery_draw_splash(u8g2_t* fb, size_t progress) {
+    u8g2_ClearBuffer(fb);
+    u8g2_SetDrawColor(fb, 0x01);
+
+    u8g2_SetFont(fb, u8g2_font_helvB08_tr);
+    u8g2_DrawStr(fb, 2, 8, "PIN and Factory Reset");
+    u8g2_SetFont(fb, u8g2_font_haxrcorp4089_tr);
+    u8g2_DrawStr(fb, 2, 21, "Hold Right to confirm");
+    u8g2_DrawStr(fb, 2, 31, "Press Down to cancel");
+
+    if(progress < COUNTER_VALUE) {
+        size_t width = progress / (COUNTER_VALUE / 100);
+        u8g2_DrawBox(fb, 14 + (50 - width / 2), 54, width, 3);
+    }
+
+    u8g2_SetPowerSave(fb, 0);
+    u8g2_SendBuffer(fb);
+}
+
+void flipper_boot_recovery_exec() {
+    u8g2_t* fb = malloc(sizeof(u8g2_t));
+    u8g2_Setup_st756x_flipper(fb, U8G2_R0, u8x8_hw_spi_stm32, u8g2_gpio_and_delay_stm32);
+    u8g2_InitDisplay(fb);
+
+    size_t counter = COUNTER_VALUE;
+    while(counter) {
+        if(!furi_hal_gpio_read(&gpio_button_down)) {
+            break;
+        }
+
+        if(!furi_hal_gpio_read(&gpio_button_right)) {
+            counter--;
+        } else {
+            counter = COUNTER_VALUE;
+        }
+
+        flipper_boot_recovery_draw_splash(fb, counter);
+    }
+
+    if(!counter) {
+        furi_hal_rtc_set_flag(FuriHalRtcFlagFactoryReset);
+        furi_hal_rtc_set_pin_fails(0);
+        furi_hal_rtc_reset_flag(FuriHalRtcFlagLock);
+    }
+}