c3bcf93698
- Refactor the way apps work: Instead of a C interface, they are now C++ classes. The main reasoning is that attaching data to an app was cumbersome. Having different implementations for different kinds of apps was cumbersome too. (3 or 4 layers of manifest nesting for the TactilityC project) - External apps are still written in C, but they get a createData/destroyData in their manifest, so: - External apps now have their own manifest. - All functions in the original AppManifest are removed and replaced by a single `createApp` function - External apps now automatically register (each app individually!) when they run the first time. As a side-effect they become visible in the `AppList` app! - Adapted all apps for the new interface. - Adapted all internal logic for these changes (Gui, ViewPort, Loader, AppContext, AppInstance, etc.) - Rewrote parts of Loader to use std::shared_ptr to make the code much safer. - Added a refcount check for the `AppInstance` and `App` at the end of their lifecycle. Show warning if refcount is too high.
100 lines
3.8 KiB
C++
100 lines
3.8 KiB
C++
#include "Assets.h"
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#include "hal/i2c/I2c.h"
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#include "Tactility.h"
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#include "lvgl/Style.h"
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#include "lvgl/Toolbar.h"
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#include "lvgl.h"
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namespace tt::app::i2csettings {
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static void onSwitchToggled(lv_event_t* event) {
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lv_event_code_t code = lv_event_get_code(event);
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auto* state_switch = static_cast<lv_obj_t*>(lv_event_get_target(event));
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const hal::i2c::Configuration* configuration = static_cast<hal::i2c::Configuration*>(lv_event_get_user_data(event));
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if (code == LV_EVENT_VALUE_CHANGED) {
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bool should_enable = lv_obj_get_state(state_switch) & LV_STATE_CHECKED;
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bool is_enabled = hal::i2c::isStarted(configuration->port);
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if (is_enabled && !should_enable) {
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if (!hal::i2c::stop(configuration->port)) {
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lv_obj_add_state(state_switch, LV_STATE_CHECKED);
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}
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} else if (!is_enabled && should_enable) {
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if (!hal::i2c::start(configuration->port)) {
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lv_obj_remove_state(state_switch, LV_STATE_CHECKED);
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}
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}
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}
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}
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static void show(lv_obj_t* parent, const hal::i2c::Configuration& configuration) {
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lv_obj_t* card = lv_obj_create(parent);
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lv_obj_set_height(card, LV_SIZE_CONTENT);
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lv_obj_set_style_margin_hor(card, 16, 0);
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lv_obj_set_style_margin_bottom(card, 16, 0);
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lv_obj_set_width(card, LV_PCT(100));
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lv_obj_t* port_label = lv_label_create(card);
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const char* name = configuration.name.empty() ? "Unnamed" : configuration.name.c_str();
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lv_label_set_text_fmt(port_label, "%s (port %d)", name, configuration.port);
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// On-off switch
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if (configuration.canReinit) {
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lv_obj_t* state_switch = lv_switch_create(card);
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lv_obj_align(state_switch, LV_ALIGN_TOP_RIGHT, 0, 0);
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if (hal::i2c::isStarted(configuration.port)) {
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lv_obj_add_state(state_switch, LV_STATE_CHECKED);
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}
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lv_obj_add_event_cb(state_switch, onSwitchToggled, LV_EVENT_VALUE_CHANGED, (void*) &configuration);
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}
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// SDA label
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lv_obj_t* sda_pin_label = lv_label_create(card);
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const char* sda_pullup_text = configuration.config.sda_pullup_en ? "yes" : "no";
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lv_label_set_text_fmt(sda_pin_label, "SDA: pin %d, pullup: %s", configuration.config.sda_io_num, sda_pullup_text );
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lv_obj_align_to(sda_pin_label, port_label, LV_ALIGN_OUT_BOTTOM_LEFT, 16, 8);
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// SCL label
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lv_obj_t* scl_pin_label = lv_label_create(card);
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const char* scl_pullup_text = configuration.config.scl_pullup_en ? "yes" : "no";
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lv_label_set_text_fmt(scl_pin_label, "SCL: pin %d, pullup: %s", configuration.config.scl_io_num, scl_pullup_text);
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lv_obj_align_to(scl_pin_label, sda_pin_label, LV_ALIGN_OUT_BOTTOM_LEFT, 0, 0);
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// Frequency:
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if (configuration.config.mode == I2C_MODE_MASTER) {
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lv_obj_t* frequency_label = lv_label_create(card);
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lv_label_set_text_fmt(frequency_label, "Frequency: %lu Hz", configuration.config.master.clk_speed);
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lv_obj_align_to(frequency_label, scl_pin_label, LV_ALIGN_OUT_BOTTOM_LEFT, 0, 0);
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}
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}
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class I2cSettingsApp : public App {
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void onShow(AppContext& app, lv_obj_t* parent) override {
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lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
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lvgl::toolbar_create(parent, app);
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lv_obj_t* wrapper = lv_obj_create(parent);
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lv_obj_set_width(wrapper, LV_PCT(100));
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lv_obj_set_flex_grow(wrapper, 1);
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lv_obj_set_flex_flow(wrapper, LV_FLEX_FLOW_COLUMN);
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lvgl::obj_set_style_no_padding(wrapper);
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lvgl::obj_set_style_bg_invisible(wrapper);
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for (const auto& configuration: getConfiguration()->hardware->i2c) {
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show(wrapper, configuration);
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}
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}
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};
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extern const AppManifest manifest = {
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.id = "I2cSettings",
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.name = "I2C",
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.icon = TT_ASSETS_APP_ICON_I2C_SETTINGS,
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.type = Type::Settings,
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.createApp = create<I2cSettingsApp>
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};
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} // namespace
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