From 1573a8c4cde1cd9528b422b2dcc598e37ffe94a7 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Thu, 2 May 2024 19:12:26 +1000
Subject: WIP merge cyclically dependent components into one big component

---
 src/tangara/system_fsm/booting.cpp | 140 +++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 src/tangara/system_fsm/booting.cpp

(limited to 'src/tangara/system_fsm/booting.cpp')

diff --git a/src/tangara/system_fsm/booting.cpp b/src/tangara/system_fsm/booting.cpp
new file mode 100644
index 00000000..44700cc4
--- /dev/null
+++ b/src/tangara/system_fsm/booting.cpp
@@ -0,0 +1,140 @@
+/*
+ * Copyright 2023 jacqueline <me@jacqueline.id.au>
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#include "collation.hpp"
+#include "haptics.hpp"
+#include "spiffs.hpp"
+#include "system_fsm.hpp"
+
+#include <stdint.h>
+#include <memory>
+
+#include "assert.h"
+#include "esp_err.h"
+#include "esp_log.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/portmacro.h"
+#include "freertos/projdefs.h"
+#include "freertos/timers.h"
+
+#include "adc.hpp"
+#include "audio_fsm.hpp"
+#include "battery.hpp"
+#include "bluetooth.hpp"
+#include "bluetooth_types.hpp"
+#include "display_init.hpp"
+#include "event_queue.hpp"
+#include "gpios.hpp"
+#include "i2c.hpp"
+#include "nvs.hpp"
+#include "samd.hpp"
+#include "service_locator.hpp"
+#include "spi.hpp"
+#include "system_events.hpp"
+#include "tag_parser.hpp"
+#include "tasks.hpp"
+#include "touchwheel.hpp"
+#include "track_queue.hpp"
+#include "ui_fsm.hpp"
+
+namespace system_fsm {
+namespace states {
+
+[[maybe_unused]] static const char kTag[] = "BOOT";
+
+static auto bt_event_cb(drivers::bluetooth::Event ev) -> void {
+  events::Ui().Dispatch(BluetoothEvent{.event = ev});
+  events::Audio().Dispatch(BluetoothEvent{.event = ev});
+}
+
+static const TickType_t kInterruptCheckPeriod = pdMS_TO_TICKS(100);
+
+auto Booting::entry() -> void {
+  ESP_LOGI(kTag, "beginning tangara boot");
+  sServices.reset(new ServiceLocator());
+
+  ESP_LOGI(kTag, "installing early drivers");
+  // NVS is needed first because it contains information about what specific
+  // hardware configuration we're running on.
+  sServices->nvs(
+      std::unique_ptr<drivers::NvsStorage>(drivers::NvsStorage::OpenSync()));
+
+  // HACK: tell the unit that it has an ERM motor (we will likely default to
+  //       LRAs in future, but all the current units in the field use ERMs.)
+  sServices->nvs().HapticMotorIsErm(true);
+
+  // HACK: fix up the switch polarity on newer dev units
+  // sServices->nvs().LockPolarity(false);
+
+  // I2C and SPI are both always needed. We can't even power down or show an
+  // error without these.
+  ESP_ERROR_CHECK(drivers::init_spi());
+  sServices->gpios(std::unique_ptr<drivers::Gpios>(
+      drivers::Gpios::Create(sServices->nvs().LockPolarity())));
+
+  ESP_LOGI(kTag, "starting ui");
+  if (!ui::UiState::InitBootSplash(sServices->gpios(), sServices->nvs())) {
+    events::System().Dispatch(FatalError{});
+    return;
+  }
+
+  ESP_LOGI(kTag, "starting bg worker");
+  sServices->bg_worker(std::make_unique<tasks::WorkerPool>());
+
+  ESP_LOGI(kTag, "installing remaining drivers");
+  drivers::spiffs_mount();
+  sServices->samd(std::unique_ptr<drivers::Samd>(drivers::Samd::Create()));
+  sServices->touchwheel(
+      std::unique_ptr<drivers::TouchWheel>{drivers::TouchWheel::Create()});
+  sServices->haptics(std::make_unique<drivers::Haptics>(
+      sServices->nvs().HapticMotorIsErm()
+          ? std::variant<drivers::ErmMotor, drivers::LraMotor>(
+                drivers::ErmMotor())
+          : drivers::LraMotor()));
+
+  auto adc = drivers::AdcBattery::Create();
+  sServices->battery(std::make_unique<battery::Battery>(
+      sServices->samd(), std::unique_ptr<drivers::AdcBattery>(adc)));
+
+  sServices->track_queue(
+      std::make_unique<audio::TrackQueue>(sServices->bg_worker()));
+  sServices->tag_parser(std::make_unique<database::TagParserImpl>());
+  sServices->collator(locale::CreateCollator());
+
+  ESP_LOGI(kTag, "init bluetooth");
+  sServices->bluetooth(std::make_unique<drivers::Bluetooth>(
+      sServices->nvs(), sServices->bg_worker()));
+  sServices->bluetooth().SetEventHandler(bt_event_cb);
+
+  BootComplete ev{.services = sServices};
+  events::Audio().Dispatch(ev);
+  events::Ui().Dispatch(ev);
+  events::System().Dispatch(ev);
+}
+
+auto Booting::exit() -> void {
+  // TODO(jacqueline): Gate this on something. Debug flag? Flashing mode?
+  sAppConsole = new console::AppConsole();
+  sAppConsole->sServices = sServices;
+  sAppConsole->Launch();
+
+  TimerHandle_t timer = xTimerCreate("INTERRUPTS", kInterruptCheckPeriod, true,
+                                     NULL, check_interrupts_cb);
+  xTimerStart(timer, portMAX_DELAY);
+}
+
+auto Booting::react(const BootComplete& ev) -> void {
+  ESP_LOGI(kTag, "bootup completely successfully");
+
+  if (sServices->gpios().IsLocked()) {
+    transit<Idle>();
+  } else {
+    transit<Running>();
+  }
+}
+
+}  // namespace states
+}  // namespace system_fsm
-- 
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