[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/Inc/alt_boot.h

@@ -8,6 +8,8 @@ void flipper_boot_update_exec();
 
 void flipper_boot_dfu_exec();
 
+void flipper_boot_recovery_exec();
+
 #ifdef __cplusplus
 }
 #endif

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);
+    }
+}

firmware/targets/f7/furi_hal/furi_hal_resources.c

@@ -73,8 +73,18 @@ const InputPin input_pins[] = {
 
 const size_t input_pins_count = sizeof(input_pins) / sizeof(InputPin);
 
+static void furi_hal_resources_init_input_pins(GpioMode mode) {
+    for(size_t i = 0; i < input_pins_count; i++) {
+        furi_hal_gpio_init(
+            input_pins[i].gpio,
+            mode,
+            (input_pins[i].inverted) ? GpioPullUp : GpioPullDown,
+            GpioSpeedLow);
+    }
+}
+
 void furi_hal_resources_init_early() {
-    furi_hal_gpio_init(&gpio_button_left, GpioModeInput, GpioPullUp, GpioSpeedLow);
+    furi_hal_resources_init_input_pins(GpioModeInput);
 
     // SD Card stepdown control
     furi_hal_gpio_write(&periph_power, 1);
@@ -117,14 +127,12 @@ void furi_hal_resources_init_early() {
 }
 
 void furi_hal_resources_deinit_early() {
+    furi_hal_resources_init_input_pins(GpioModeAnalog);
 }
 
 void furi_hal_resources_init() {
     // Button pins
-    for(size_t i = 0; i < input_pins_count; i++) {
-        furi_hal_gpio_init(
-            input_pins[i].gpio, GpioModeInterruptRiseFall, GpioPullUp, GpioSpeedLow);
-    }
+    furi_hal_resources_init_input_pins(GpioModeInterruptRiseFall);
 
     // Display pins
     furi_hal_gpio_init(&gpio_display_rst_n, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);

lib/nfc/protocols/mifare_classic.c

@@ -438,9 +438,9 @@ bool mf_classic_block_to_value(const uint8_t* block, int32_t* value, uint8_t* ad
 void mf_classic_value_to_block(int32_t value, uint8_t addr, uint8_t* block) {
     uint32_t v_inv = ~((uint32_t)value);
 
-    memcpy(block, &value, 4);
-    memcpy(block + 4, &v_inv, 4);
-    memcpy(block + 8, &value, 4);
+    memcpy(block, &value, 4); //-V1086
+    memcpy(block + 4, &v_inv, 4); //-V1086
+    memcpy(block + 8, &value, 4); //-V1086
 
     block[12] = addr;
     block[13] = ~addr & 0xFF;