mirror of
https://github.com/UberGuidoZ/Flipper.git
synced 2024-12-23 23:10:16 +00:00
190 lines
5.6 KiB
C
190 lines
5.6 KiB
C
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// CC0 1.0 Universal (CC0 1.0)
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// Public Domain Dedication
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// https://github.com/nmrr
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#include <stdio.h>
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#include <furi.h>
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#include <gui/gui.h>
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#include <input/input.h>
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#include <notification/notification_messages.h>
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#include <furi_hal_random.h>
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#include <furi_hal_pwm.h>
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#define SCREEN_SIZE_X 128
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#define SCREEN_SIZE_Y 64
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typedef enum {
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EventTypeInput,
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ClockEventTypeTick,
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EventGPIO,
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} EventType;
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typedef struct {
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EventType type;
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InputEvent input;
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} EventApp;
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typedef struct {
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uint32_t cps, cpm;
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uint32_t line[SCREEN_SIZE_X/2];
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float coef;
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} mutexStruct;
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static void draw_callback(Canvas* canvas, void* ctx)
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{
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UNUSED(ctx);
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mutexStruct displayStruct;
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mutexStruct* lfsrMutex = (mutexStruct*)acquire_mutex_block((ValueMutex*)ctx);
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memcpy(&displayStruct, lfsrMutex, sizeof(mutexStruct));
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release_mutex((ValueMutex*)ctx, lfsrMutex);
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char buffer[32];
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snprintf(buffer, sizeof(buffer), "%ld cps - %ld cpm", displayStruct.cps, displayStruct.cpm);
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for (int i=0;i<SCREEN_SIZE_X;i+=2)
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{
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float Y = SCREEN_SIZE_Y-(displayStruct.line[i/2]*displayStruct.coef);
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canvas_draw_line(canvas, i, Y, i, SCREEN_SIZE_Y);
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canvas_draw_line(canvas, i+1, Y, i+1, SCREEN_SIZE_Y);
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}
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canvas_set_font(canvas, FontPrimary);
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canvas_draw_str_aligned(canvas, 64, 10, AlignCenter, AlignBottom, buffer);
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}
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static void input_callback(InputEvent* input_event, void* ctx)
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{
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furi_assert(ctx);
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FuriMessageQueue* event_queue = ctx;
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EventApp event = {.type = EventTypeInput, .input = *input_event};
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furi_message_queue_put(event_queue, &event, FuriWaitForever);
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}
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static void clock_tick(void* ctx) {
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furi_assert(ctx);
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uint32_t randomNumber = furi_hal_random_get();
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randomNumber &= 0xFFF;
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if (randomNumber == 0) randomNumber = 1;
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furi_hal_pwm_start(FuriHalPwmOutputIdLptim2PA4, randomNumber, 50);
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FuriMessageQueue* queue = ctx;
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EventApp event = {.type = ClockEventTypeTick};
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furi_message_queue_put(queue, &event, 0);
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}
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static void gpiocallback(void* ctx) {
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furi_assert(ctx);
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FuriMessageQueue* queue = ctx;
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EventApp event = {.type = EventGPIO};
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furi_message_queue_put(queue, &event, 0);
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}
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int32_t flipper_geiger_app()
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{
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EventApp event;
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FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(EventApp));
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furi_hal_gpio_init(&gpio_ext_pa7, GpioModeInterruptFall, GpioPullUp, GpioSpeedVeryHigh);
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furi_hal_pwm_start(FuriHalPwmOutputIdLptim2PA4, 5, 20);
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mutexStruct mutexVal;
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mutexVal.cps = 0;
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mutexVal.cpm = 0;
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for (int i=0;i<SCREEN_SIZE_X/2;i++) mutexVal.line[i] = 0;
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mutexVal.coef = 1;
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uint32_t counter = 0;
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ValueMutex state_mutex;
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init_mutex(&state_mutex, &mutexVal, sizeof(mutexVal));
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ViewPort* view_port = view_port_alloc();
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view_port_draw_callback_set(view_port, draw_callback, &state_mutex);
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view_port_input_callback_set(view_port, input_callback, event_queue);
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furi_hal_gpio_add_int_callback(&gpio_ext_pa7, gpiocallback, event_queue);
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Gui* gui = furi_record_open(RECORD_GUI);
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gui_add_view_port(gui, view_port, GuiLayerFullscreen);
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FuriTimer* timer = furi_timer_alloc(clock_tick, FuriTimerTypePeriodic, event_queue);
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furi_timer_start(timer, 1000);
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while(1)
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{
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FuriStatus event_status = furi_message_queue_get(event_queue, &event, FuriWaitForever);
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uint8_t screenRefresh = 0;
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if (event_status == FuriStatusOk)
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{
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if(event.type == EventTypeInput)
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{
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if(event.input.key == InputKeyBack)
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{
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break;
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}
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else if(event.input.key == InputKeyOk && event.input.type == InputTypeShort)
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{
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counter = 0;
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mutexStruct* lfsrMutex = (mutexStruct*)acquire_mutex_block(&state_mutex);
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mutexVal.cps = 0;
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mutexVal.cpm = 0;
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for (int i=0;i<SCREEN_SIZE_X/2;i++) mutexVal.line[i] = 0;
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screenRefresh = 1;
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release_mutex(&state_mutex, lfsrMutex);
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}
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}
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else if (event.type == ClockEventTypeTick)
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{
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mutexStruct* lfsrMutex = (mutexStruct*)acquire_mutex_block(&state_mutex);
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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];
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lfsrMutex->line[0] = counter;
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lfsrMutex->cps = counter;
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counter = 0;
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lfsrMutex->cpm = lfsrMutex->line[0];
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uint32_t max = lfsrMutex->line[0];
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for (int i=1;i<SCREEN_SIZE_X/2;i++)
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{
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if (i < 60) lfsrMutex->cpm += lfsrMutex->line[i];
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if (lfsrMutex->line[i] > max) max = lfsrMutex->line[i];
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}
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if (max > 0) lfsrMutex->coef = ((float)(SCREEN_SIZE_Y-15))/((float)max);
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else lfsrMutex->coef = 1;
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screenRefresh = 1;
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release_mutex(&state_mutex, lfsrMutex);
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}
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else if (event.type == EventGPIO)
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{
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counter++;
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}
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}
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if (screenRefresh == 1) view_port_update(view_port);
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}
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furi_hal_gpio_disable_int_callback(&gpio_ext_pa7);
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furi_hal_gpio_remove_int_callback(&gpio_ext_pa7);
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furi_hal_pwm_stop(FuriHalPwmOutputIdLptim2PA4);
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furi_message_queue_free(event_queue);
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delete_mutex(&state_mutex);
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gui_remove_view_port(gui, view_port);
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view_port_free(view_port);
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furi_timer_free(timer);
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furi_record_close(RECORD_GUI);
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return 0;
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}
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