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@ -9,8 +9,11 @@ |
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#include <string> |
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#include "audio_events.hpp" |
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#include "bluetooth.hpp" |
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#include "bluetooth_types.hpp" |
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#include "core/lv_event.h" |
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#include "core/lv_obj.h" |
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#include "core/lv_obj_tree.h" |
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#include "display.hpp" |
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#include "esp_log.h" |
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@ -100,7 +103,18 @@ static auto label_pair(lv_obj_t* parent, |
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return right_label; |
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} |
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Bluetooth::Bluetooth() : MenuScreen("Bluetooth") { |
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static auto toggle_bt_cb(lv_event_t* ev) { |
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Bluetooth* instance = reinterpret_cast<Bluetooth*>(ev->user_data); |
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instance->ChangeEnabledState(lv_obj_has_state(ev->target, LV_STATE_CHECKED)); |
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} |
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static auto select_device_cb(lv_event_t* ev) { |
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Bluetooth* instance = reinterpret_cast<Bluetooth*>(ev->user_data); |
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instance->OnDeviceSelected(lv_obj_get_index(ev->target)); |
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} |
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Bluetooth::Bluetooth(drivers::Bluetooth& bt, drivers::NvsStorage& nvs) |
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: MenuScreen("Bluetooth"), bt_(bt), nvs_(nvs) { |
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lv_obj_t* toggle_container = settings_container(content_); |
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lv_obj_t* toggle_label = lv_label_create(toggle_container); |
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lv_label_set_text(toggle_label, "Enable"); |
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@ -108,20 +122,134 @@ Bluetooth::Bluetooth() : MenuScreen("Bluetooth") { |
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lv_obj_t* toggle = lv_switch_create(toggle_container); |
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lv_group_add_obj(group_, toggle); |
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if (bt.IsEnabled()) { |
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lv_obj_add_state(toggle, LV_STATE_CHECKED); |
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} |
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lv_obj_add_event_cb(toggle, toggle_bt_cb, LV_EVENT_VALUE_CHANGED, this); |
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lv_obj_t* devices_label = lv_label_create(content_); |
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lv_label_set_text(devices_label, "Devices"); |
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lv_obj_t* devices_list = lv_list_create(content_); |
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lv_list_add_text(devices_list, "My Headphones"); |
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lv_group_add_obj(group_, |
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lv_list_add_btn(devices_list, NULL, "Something else")); |
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lv_group_add_obj(group_, lv_list_add_btn(devices_list, NULL, "A car??")); |
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lv_group_add_obj(group_, |
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lv_list_add_btn(devices_list, NULL, "OLED TV ANDROID")); |
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lv_group_add_obj( |
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group_, lv_list_add_btn(devices_list, NULL, "there could be another")); |
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lv_group_add_obj(group_, lv_list_add_btn(devices_list, NULL, |
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"this one has a really long name")); |
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devices_list_ = lv_list_create(content_); |
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RefreshDevicesList(); |
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} |
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auto Bluetooth::ChangeEnabledState(bool enabled) -> void { |
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if (enabled) { |
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events::System().RunOnTask([&]() { bt_.Enable(); }); |
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nvs_.OutputMode(drivers::NvsStorage::Output::kBluetooth).get(); |
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} else { |
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events::System().RunOnTask([&]() { bt_.Disable(); }); |
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nvs_.OutputMode(drivers::NvsStorage::Output::kHeadphones).get(); |
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} |
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events::Audio().Dispatch(audio::OutputModeChanged{}); |
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RefreshDevicesList(); |
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} |
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auto Bluetooth::RefreshDevicesList() -> void { |
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if (!bt_.IsEnabled()) { |
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// Bluetooth is disabled, so we just clear the list.
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RemoveAllDevices(); |
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return; |
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} |
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auto devices = bt_.KnownDevices(); |
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std::optional<drivers::bluetooth::mac_addr_t> preferred_device = |
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nvs_.PreferredBluetoothDevice().get(); |
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// If the user's current selection is within the devices list, then we need
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// to be careful not to rearrange the list items underneath them.
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lv_obj_t* current_selection = lv_group_get_focused(group_); |
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bool is_in_list = current_selection != NULL && |
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lv_obj_get_parent(current_selection) == devices_list_; |
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if (!is_in_list) { |
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// The user isn't in the list! We can blow everything away and recreate it
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// without issues.
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RemoveAllDevices(); |
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// First look to see if the user's preferred device is in the list. If it
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// is, we hoist it up to the top of the list.
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if (preferred_device) { |
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for (size_t i = 0; i < devices.size(); i++) { |
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if (devices[i].address == *preferred_device) { |
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AddPreferredDevice(devices[i]); |
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devices.erase(devices.begin() + i); |
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break; |
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} |
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} |
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} |
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// The rest of the list is already sorted by signal strength.
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for (const auto& device : devices) { |
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AddDevice(device); |
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} |
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} else { |
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// The user's selection is within the device list. We need to work out
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// which devices are new, then add them to the end.
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for (const auto& mac : macs_in_list_) { |
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auto pos = std::find_if( |
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devices.begin(), devices.end(), |
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[&mac](const auto& device) { return device.address == mac; }); |
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if (pos != devices.end()) { |
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devices.erase(pos); |
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} |
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} |
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// The remaining list is now just the new devices.
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for (const auto& device : devices) { |
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if (preferred_device && device.address == *preferred_device) { |
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AddPreferredDevice(device); |
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} else { |
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AddDevice(device); |
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} |
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} |
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} |
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} |
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auto Bluetooth::RemoveAllDevices() -> void { |
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while (lv_obj_get_child_cnt(devices_list_) > 0) { |
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lv_obj_del(lv_obj_get_child(devices_list_, 0)); |
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} |
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macs_in_list_.clear(); |
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preferred_device_ = nullptr; |
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} |
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auto Bluetooth::AddPreferredDevice(const drivers::bluetooth::Device& dev) |
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-> void { |
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preferred_device_ = lv_list_add_btn(devices_list_, NULL, dev.name.c_str()); |
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macs_in_list_.push_back(dev.address); |
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} |
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auto Bluetooth::AddDevice(const drivers::bluetooth::Device& dev) -> void { |
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lv_obj_t* item = lv_list_add_btn(devices_list_, NULL, dev.name.c_str()); |
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lv_group_add_obj(group_, item); |
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lv_obj_add_event_cb(item, select_device_cb, LV_EVENT_CLICKED, this); |
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macs_in_list_.push_back(dev.address); |
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} |
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auto Bluetooth::OnDeviceSelected(size_t index) -> void { |
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// Tell the bluetooth driver that our preference changed.
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auto it = macs_in_list_.begin(); |
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std::advance(it, index); |
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events::System().RunOnTask([=]() { bt_.SetPreferredDevice(*it); }); |
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// Update which devices are selectable.
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if (preferred_device_) { |
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lv_group_add_obj(group_, preferred_device_); |
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// Bubble the newly added object up to its visible position in the list.
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size_t pos = lv_obj_get_index(preferred_device_); |
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while (pos > 0) { |
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lv_group_swap_obj(preferred_device_, |
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lv_obj_get_child(devices_list_, pos - 1)); |
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pos--; |
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} |
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} |
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preferred_device_ = lv_obj_get_child(devices_list_, index); |
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lv_group_remove_obj(preferred_device_); |
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} |
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static void change_vol_limit_cb(lv_event_t* ev) { |
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jacqueline
2 years ago