unleashed-firmware/applications/external/flipper_i2ctools/i2ctools.c

#include "i2ctools_i.h"

void i2ctools_draw_callback(Canvas* canvas, void* ctx) {
    furi_assert(ctx);
    i2cTools* i2ctools = ctx;
    furi_mutex_acquire(i2ctools->mutex, FuriWaitForever);

    switch(i2ctools->main_view->current_view) {
    case MAIN_VIEW:
        draw_main_view(canvas, i2ctools->main_view);
        break;

    case SCAN_VIEW:
        draw_scanner_view(canvas, i2ctools->scanner);
        break;

    case SNIFF_VIEW:
        draw_sniffer_view(canvas, i2ctools->sniffer);
        break;

    case SEND_VIEW:
        draw_sender_view(canvas, i2ctools->sender);
        break;

    case INFOS_VIEW:
        draw_infos_view(canvas);
        break;

    default:
        break;
    }
    furi_mutex_release(i2ctools->mutex);
}

void i2ctools_input_callback(InputEvent* input_event, void* ctx) {
    furi_assert(ctx);
    FuriMessageQueue* event_queue = ctx;
    furi_message_queue_put(event_queue, input_event, FuriWaitForever);
}

int32_t i2ctools_app(void* p) {
    UNUSED(p);
    FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(InputEvent));

    // Alloc i2ctools
    i2cTools* i2ctools = malloc(sizeof(i2cTools));
    i2ctools->mutex = furi_mutex_alloc(FuriMutexTypeNormal);
    if(!i2ctools->mutex) {
        FURI_LOG_E(APP_NAME, "cannot create mutex\r\n");
        free(i2ctools);
        return -1;
    }

    // Alloc viewport
    i2ctools->view_port = view_port_alloc();
    view_port_draw_callback_set(i2ctools->view_port, i2ctools_draw_callback, i2ctools);
    view_port_input_callback_set(i2ctools->view_port, i2ctools_input_callback, event_queue);

    // Register view port in GUI
    Gui* gui = furi_record_open(RECORD_GUI);
    gui_add_view_port(gui, i2ctools->view_port, GuiLayerFullscreen);

    InputEvent event;

    i2ctools->main_view = i2c_main_view_alloc();

    i2ctools->sniffer = i2c_sniffer_alloc();
    i2ctools->sniffer->menu_index = 0;

    i2ctools->scanner = i2c_scanner_alloc();

    i2ctools->sender = i2c_sender_alloc();
    // Share scanner with sender
    i2ctools->sender->scanner = i2ctools->scanner;

    while(1) {
        if(furi_message_queue_get(event_queue, &event, 100) == FuriStatusOk) {
            // Back
            if(event.key == InputKeyBack && event.type == InputTypeRelease) {
                if(i2ctools->main_view->current_view == MAIN_VIEW) {
                    break;
                } else {
                    if(i2ctools->main_view->current_view == SNIFF_VIEW) {
                        stop_interrupts();
                        i2ctools->sniffer->started = false;
                        i2ctools->sniffer->state = I2C_BUS_FREE;
                    }
                    i2ctools->main_view->current_view = MAIN_VIEW;
                }
            }
            // Up
            else if(event.key == InputKeyUp && event.type == InputTypeRelease) {
                if(i2ctools->main_view->current_view == MAIN_VIEW) {
                    if((i2ctools->main_view->menu_index > SCAN_VIEW)) {
                        i2ctools->main_view->menu_index--;
                    }
                } else if(i2ctools->main_view->current_view == SCAN_VIEW) {
                    if(i2ctools->scanner->menu_index > 0) {
                        i2ctools->scanner->menu_index--;
                    }
                } else if(i2ctools->main_view->current_view == SNIFF_VIEW) {
                    if(i2ctools->sniffer->row_index > 0) {
                        i2ctools->sniffer->row_index--;
                    }
                } else if(i2ctools->main_view->current_view == SEND_VIEW) {
                    if(i2ctools->sender->value < 0xFF) {
                        i2ctools->sender->value++;
                        i2ctools->sender->sended = false;
                    }
                }
            }
            // Long Up
            else if(
                event.key == InputKeyUp &&
                (event.type == InputTypeLong || event.type == InputTypeRepeat)) {
                if(i2ctools->main_view->current_view == SCAN_VIEW) {
                    if(i2ctools->scanner->menu_index > 5) {
                        i2ctools->scanner->menu_index -= 5;
                    }
                } else if(i2ctools->main_view->current_view == SEND_VIEW) {
                    if(i2ctools->sender->value < 0xF9) {
                        i2ctools->sender->value += 5;
                        i2ctools->sender->sended = false;
                    }
                } else if(i2ctools->main_view->current_view == SNIFF_VIEW) {
                    if(i2ctools->sniffer->row_index > 5) {
                        i2ctools->sniffer->row_index -= 5;
                    } else {
                        i2ctools->sniffer->row_index = 0;
                    }
                }
            }
            // Down
            else if(event.key == InputKeyDown && event.type == InputTypeRelease) {
                if(i2ctools->main_view->current_view == MAIN_VIEW) {
                    if(i2ctools->main_view->menu_index < MENU_SIZE - 1) {
                        i2ctools->main_view->menu_index++;
                    }
                } else if(i2ctools->main_view->current_view == SCAN_VIEW) {
                    if(i2ctools->scanner->menu_index < ((int)i2ctools->scanner->nb_found / 3)) {
                        i2ctools->scanner->menu_index++;
                    }
                } else if(i2ctools->main_view->current_view == SNIFF_VIEW) {
                    if((i2ctools->sniffer->row_index + 3) <
                       (int)i2ctools->sniffer->frames[i2ctools->sniffer->menu_index].data_index) {
                        i2ctools->sniffer->row_index++;
                    }
                } else if(i2ctools->main_view->current_view == SEND_VIEW) {
                    if(i2ctools->sender->value > 0x00) {
                        i2ctools->sender->value--;
                        i2ctools->sender->sended = false;
                    }
                }
            }
            // Long Down
            else if(
                event.key == InputKeyDown &&
                (event.type == InputTypeLong || event.type == InputTypeRepeat)) {
                if(i2ctools->main_view->current_view == SEND_VIEW) {
                    if(i2ctools->sender->value > 0x05) {
                        i2ctools->sender->value -= 5;
                        i2ctools->sender->sended = false;
                    } else {
                        i2ctools->sender->value = 0;
                        i2ctools->sender->sended = false;
                    }
                } else if(i2ctools->main_view->current_view == SNIFF_VIEW) {
                    if((i2ctools->sniffer->row_index + 8) <
                       (int)i2ctools->sniffer->frames[i2ctools->sniffer->menu_index].data_index) {
                        i2ctools->sniffer->row_index += 5;
                    }
                }

            } else if(event.key == InputKeyOk && event.type == InputTypeRelease) {
                if(i2ctools->main_view->current_view == MAIN_VIEW) {
                    i2ctools->main_view->current_view = i2ctools->main_view->menu_index;
                } else if(i2ctools->main_view->current_view == SCAN_VIEW) {
                    scan_i2c_bus(i2ctools->scanner);
                } else if(i2ctools->main_view->current_view == SEND_VIEW) {
                    i2ctools->sender->must_send = true;
                } else if(i2ctools->main_view->current_view == SNIFF_VIEW) {
                    if(i2ctools->sniffer->started) {
                        stop_interrupts();
                        i2ctools->sniffer->started = false;
                        i2ctools->sniffer->state = I2C_BUS_FREE;
                    } else {
                        start_interrupts(i2ctools->sniffer);
                        i2ctools->sniffer->started = true;
                        i2ctools->sniffer->state = I2C_BUS_FREE;
                    }
                }
            } else if(event.key == InputKeyRight && event.type == InputTypeRelease) {
                if(i2ctools->main_view->current_view == SEND_VIEW) {
                    if(i2ctools->sender->address_idx < (i2ctools->scanner->nb_found - 1)) {
                        i2ctools->sender->address_idx++;
                        i2ctools->sender->sended = false;
                    }
                } else if(i2ctools->main_view->current_view == SNIFF_VIEW) {
                    if(i2ctools->sniffer->menu_index < i2ctools->sniffer->frame_index) {
                        i2ctools->sniffer->menu_index++;
                        i2ctools->sniffer->row_index = 0;
                    }
                }
            } else if(event.key == InputKeyLeft && event.type == InputTypeRelease) {
                if(i2ctools->main_view->current_view == SEND_VIEW) {
                    if(i2ctools->sender->address_idx > 0) {
                        i2ctools->sender->address_idx--;
                        i2ctools->sender->sended = false;
                    }
                } else if(i2ctools->main_view->current_view == SNIFF_VIEW) {
                    if(i2ctools->sniffer->menu_index > 0) {
                        i2ctools->sniffer->menu_index--;
                        i2ctools->sniffer->row_index = 0;
                    }
                }
            }
        }
        view_port_update(i2ctools->view_port);
    }
    gui_remove_view_port(gui, i2ctools->view_port);
    view_port_free(i2ctools->view_port);
    furi_message_queue_free(event_queue);
    i2c_sniffer_free(i2ctools->sniffer);
    i2c_scanner_free(i2ctools->scanner);
    i2c_sender_free(i2ctools->sender);
    i2c_main_view_free(i2ctools->main_view);
    furi_mutex_free(i2ctools->mutex);
    free(i2ctools);
    furi_record_close(RECORD_GUI);
    return 0;
}