Added xMasterX API v11.x source

Applications/Official/DEV_FW/source/xMasterX/flipper_geiger/README.md

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+# flipperzero-geigercounter
+A geiger counter application for the Flipper Zero
+
+![banner](https://github.com/nmrr/flipperzero-geigercounter/blob/main/img/logo.jpg)
+
+You need a **geiger counter** board to run this application. This board can be used : https://aliexpress.com/item/1005004074447209.html
+
+The geiger counter board can be powered with +5V power pin of the **Flipper Zero** 
+
+Output pin for measure on arduino cannot be used on the **Flipper Zero** because output voltage is too low. You can use jack out port instead. This port must be connected on **A7** GPIO :
+
+<p align="center"><img src="https://github.com/nmrr/flipperzero-geigercounter/blob/main/img/schematic.jpg" width=75% height=75%></p>
+
+## Build the program
+
+Assuming the toolchain is already installed, copy **flipper_geiger** directory to **applications_user**
+
+Plug your **Flipper Zero** and build the geiger counter :
+```
+./fbt launch_app APPSRC=applications_user/flipper_geiger
+```
+
+The program will automatically be launched after compilation
+
+<img src="https://github.com/nmrr/flipperzero-geigercounter/blob/main/img/flipper1.png" width=25% height=25%>
+
+**A4** GPIO can be connected on **A7** GPIO to test this application without using a geiger tube. **A4** GPIO is generating a signal whose frequency changes every second.
+
+Press Ok button to clear the graph, press back button to quit
+
+If you don't want to build this application, just simply copy **flipper_geiger.fap** on your **Flipper Zero**
+
+## Use cases
+
+Ambient radioactivity :
+
+<img src="https://github.com/nmrr/flipperzero-geigercounter/blob/main/img/flipper2.png" width=25% height=25%>
+
+Measure of uranium ore piece inside a lead container :
+
+<img src="https://github.com/nmrr/flipperzero-geigercounter/blob/main/img/flipper3.png" width=25% height=25%>
+
+Measure of uranium ore piece in contact with the geiger tube :
+
+<img src="https://github.com/nmrr/flipperzero-geigercounter/blob/main/img/flipper4.png" width=25% height=25%>
+
+All previous measures in a row (the scale of the graph is automatically adjusted) :
+
+<img src="https://github.com/nmrr/flipperzero-geigercounter/blob/main/img/flipper5.png" width=25% height=25%>
+
+**A4** GPIO on **A7** GPIO :
+
+<img src="https://github.com/nmrr/flipperzero-geigercounter/blob/main/img/flipper6.png" width=25% height=25%>
+
+## Changelog
+
+* 2023-01-15
+  * Code fix & a lot of optimizations. Now a lot of events can be handled without any issue
+
+* 2023-01-09
+  * Schematic was added & code fix
+
+* 2023-01-08
+  * Initial release

Applications/Official/DEV_FW/source/xMasterX/flipper_geiger/application.fam

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+App(
+    appid="flipper_geiger",
+    name="Geiger counter",
+    apptype=FlipperAppType.EXTERNAL,
+    entry_point="flipper_geiger_app",
+    cdefines=["APP_GEIGER"],
+    requires=[
+        "gui",
+    ],
+    stack_size=1 * 1024,
+    fap_icon="geiger.png",
+    fap_category="GPIO_Extra",
+)

Applications/Official/DEV_FW/source/xMasterX/flipper_geiger/flipper_geiger.c

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+// CC0 1.0 Universal (CC0 1.0)
+// Public Domain Dedication
+// https://github.com/nmrr
+
+#include <stdio.h>
+#include <furi.h>
+#include <gui/gui.h>
+#include <input/input.h>
+#include <notification/notification_messages.h>
+#include <furi_hal_random.h>
+#include <furi_hal_pwm.h>
+
+#define SCREEN_SIZE_X 128
+#define SCREEN_SIZE_Y 64
+
+typedef enum {
+    EventTypeInput,
+    ClockEventTypeTick,
+    EventGPIO,
+} EventType;
+
+typedef struct {
+    EventType type;
+    InputEvent input;
+} EventApp;
+
+typedef struct {
+    uint32_t cps, cpm;
+    uint32_t line[SCREEN_SIZE_X/2];
+    float coef;
+} mutexStruct;
+
+static void draw_callback(Canvas* canvas, void* ctx) 
+{
+    UNUSED(ctx);
+
+    mutexStruct displayStruct;
+    mutexStruct* lfsrMutex = (mutexStruct*)acquire_mutex_block((ValueMutex*)ctx);
+    memcpy(&displayStruct, lfsrMutex, sizeof(mutexStruct));
+    release_mutex((ValueMutex*)ctx, lfsrMutex);
+
+    char buffer[32];
+    snprintf(buffer, sizeof(buffer), "%ld cps - %ld cpm", displayStruct.cps, displayStruct.cpm);
+
+    for (int i=0;i<SCREEN_SIZE_X;i+=2)
+    {
+        float Y = SCREEN_SIZE_Y-(displayStruct.line[i/2]*displayStruct.coef);
+
+        canvas_draw_line(canvas, i, Y, i, SCREEN_SIZE_Y);
+        canvas_draw_line(canvas, i+1, Y, i+1, SCREEN_SIZE_Y);
+    }
+
+    canvas_set_font(canvas, FontPrimary);
+    canvas_draw_str_aligned(canvas, 64, 10, AlignCenter, AlignBottom, buffer);
+}
+
+static void input_callback(InputEvent* input_event, void* ctx) 
+{
+    furi_assert(ctx);
+    FuriMessageQueue* event_queue = ctx;
+    EventApp event = {.type = EventTypeInput, .input = *input_event};
+    furi_message_queue_put(event_queue, &event, FuriWaitForever);
+}
+
+static void clock_tick(void* ctx) {
+    furi_assert(ctx);
+
+    uint32_t randomNumber = furi_hal_random_get();
+    randomNumber &= 0xFFF;
+    if (randomNumber == 0) randomNumber = 1;
+
+    furi_hal_pwm_start(FuriHalPwmOutputIdLptim2PA4, randomNumber, 50);
+
+    FuriMessageQueue* queue = ctx;
+    EventApp event = {.type = ClockEventTypeTick};
+    furi_message_queue_put(queue, &event, 0);
+}
+
+static void gpiocallback(void* ctx) {
+    furi_assert(ctx);
+    FuriMessageQueue* queue = ctx;
+    EventApp event = {.type = EventGPIO};
+    furi_message_queue_put(queue, &event, 0);
+}
+
+
+int32_t flipper_geiger_app() 
+{
+    EventApp event;
+    FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(EventApp));
+
+    furi_hal_gpio_init(&gpio_ext_pa7, GpioModeInterruptFall, GpioPullUp, GpioSpeedVeryHigh);
+    furi_hal_pwm_start(FuriHalPwmOutputIdLptim2PA4, 5, 20);
+
+    mutexStruct mutexVal;
+    mutexVal.cps = 0;
+    mutexVal.cpm = 0;
+    for (int i=0;i<SCREEN_SIZE_X/2;i++) mutexVal.line[i] = 0;
+    mutexVal.coef = 1;
+
+    uint32_t counter = 0;
+
+    ValueMutex state_mutex;
+    init_mutex(&state_mutex, &mutexVal, sizeof(mutexVal));
+
+    ViewPort* view_port = view_port_alloc();
+    view_port_draw_callback_set(view_port, draw_callback, &state_mutex);
+    view_port_input_callback_set(view_port, input_callback, event_queue);
+
+    furi_hal_gpio_add_int_callback(&gpio_ext_pa7, gpiocallback, event_queue);
+
+    Gui* gui = furi_record_open(RECORD_GUI);
+    gui_add_view_port(gui, view_port, GuiLayerFullscreen);
+
+    FuriTimer* timer = furi_timer_alloc(clock_tick, FuriTimerTypePeriodic, event_queue);
+    furi_timer_start(timer, 1000);
+
+    while(1) 
+    {
+        FuriStatus event_status = furi_message_queue_get(event_queue, &event, FuriWaitForever);
+        
+        uint8_t screenRefresh = 0;
+
+        if (event_status == FuriStatusOk)
+        {   
+            if(event.type == EventTypeInput) 
+            {
+                if(event.input.key == InputKeyBack) 
+                {
+                    break;
+                }
+                else if(event.input.key == InputKeyOk && event.input.type == InputTypeShort)
+                {
+                    counter = 0;
+                    mutexStruct* lfsrMutex = (mutexStruct*)acquire_mutex_block(&state_mutex);
+
+                    mutexVal.cps = 0;
+                    mutexVal.cpm = 0;
+                    for (int i=0;i<SCREEN_SIZE_X/2;i++) mutexVal.line[i] = 0;
+
+                    screenRefresh = 1;
+                    release_mutex(&state_mutex, lfsrMutex);
+                }
+            }
+            else if (event.type == ClockEventTypeTick)
+            {
+                mutexStruct* lfsrMutex = (mutexStruct*)acquire_mutex_block(&state_mutex);
+
+                for (int i=0;i<SCREEN_SIZE_X/2-1;i++) lfsrMutex->line[SCREEN_SIZE_X/2-1-i] = lfsrMutex->line[SCREEN_SIZE_X/2-2-i]; 
+
+                lfsrMutex->line[0] = counter;
+                lfsrMutex->cps = counter;
+                counter = 0;
+
+                lfsrMutex->cpm = lfsrMutex->line[0];
+                uint32_t max = lfsrMutex->line[0];
+                for (int i=1;i<SCREEN_SIZE_X/2;i++)
+                {
+                    if (i < 60) lfsrMutex->cpm += lfsrMutex->line[i];
+                    if (lfsrMutex->line[i] > max) max = lfsrMutex->line[i];
+                }
+
+                if (max > 0) lfsrMutex->coef = ((float)(SCREEN_SIZE_Y-15))/((float)max);
+                else lfsrMutex->coef = 1;
+
+                screenRefresh = 1;
+                release_mutex(&state_mutex, lfsrMutex);
+            }
+            else if (event.type == EventGPIO)
+            {
+                counter++;
+            }
+        }
+
+        if (screenRefresh == 1) view_port_update(view_port);
+    }
+
+    furi_hal_gpio_disable_int_callback(&gpio_ext_pa7);
+    furi_hal_gpio_remove_int_callback(&gpio_ext_pa7);
+    furi_hal_pwm_stop(FuriHalPwmOutputIdLptim2PA4);
+
+    furi_message_queue_free(event_queue);
+    delete_mutex(&state_mutex);
+    gui_remove_view_port(gui, view_port);
+    view_port_free(view_port);
+    furi_timer_free(timer);
+    furi_record_close(RECORD_GUI);
+
+    return 0;
+}