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path: root/src/main/main.cpp
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#include <dirent.h>
#include <stdint.h>
#include <stdio.h>

#include <cstddef>
#include <cstdint>
#include <memory>

#include "driver/gpio.h"
#include "driver/i2c.h"
#include "driver/sdspi_host.h"
#include "driver/spi_common.h"
#include "driver/spi_master.h"
#include "esp_freertos_hooks.h"
#include "esp_intr_alloc.h"
#include "esp_log.h"
#include "freertos/portmacro.h"
#include "freertos/projdefs.h"
#include "hal/gpio_types.h"
#include "hal/spi_types.h"

#include "app_console.hpp"
#include "audio_playback.hpp"
#include "battery.hpp"
#include "dac.hpp"
#include "display.hpp"
#include "display_init.hpp"
#include "gpio_expander.hpp"
#include "i2c.hpp"
#include "lvgl_task.hpp"
#include "spi.hpp"
#include "storage.hpp"
#include "touchwheel.hpp"

static const char* TAG = "MAIN";

extern "C" void app_main(void) {
  ESP_LOGI(TAG, "Initialising peripherals");

  ESP_ERROR_CHECK(drivers::init_i2c());
  ESP_ERROR_CHECK(drivers::init_spi());

  ESP_LOGI(TAG, "Init GPIOs");
  drivers::GpioExpander* expander = new drivers::GpioExpander();

  ESP_LOGI(TAG, "Enable power rails for development");
  expander->with([&](auto& gpio) {
    gpio.set_pin(drivers::GpioExpander::SD_MUX_EN_ACTIVE_LOW, 0);
    gpio.set_pin(drivers::GpioExpander::SD_MUX_SWITCH,
                 drivers::GpioExpander::SD_MUX_ESP);
    gpio.set_pin(drivers::GpioExpander::SD_CARD_POWER_ENABLE, 0);
    gpio.set_pin(drivers::GpioExpander::AMP_EN, 1);
  });

  ESP_LOGI(TAG, "Init battery measurement");
  drivers::Battery* battery = new drivers::Battery();
  ESP_LOGI(TAG, "it's reading %d mV!", (int)battery->Millivolts());

  ESP_LOGI(TAG, "Init SD card");
  auto storage_res = drivers::SdStorage::create(expander);
  std::shared_ptr<drivers::SdStorage> storage;
  if (storage_res.has_error()) {
    ESP_LOGE(TAG, "Failed! Do you have an SD card?");
  } else {
    storage = std::move(storage_res.value());
  }

  ESP_LOGI(TAG, "Init touch wheel");
  std::unique_ptr<drivers::TouchWheel> touchwheel =
      std::make_unique<drivers::TouchWheel>();

  std::atomic<bool> lvgl_quit;
  TaskHandle_t lvgl_task_handle;
  ui::StartLvgl(expander, &lvgl_quit, &lvgl_task_handle);

  std::unique_ptr<audio::AudioPlayback> playback;
  if (storage) {
    ESP_LOGI(TAG, "Init audio pipeline");
    auto playback_res = audio::AudioPlayback::create(expander);
    if (playback_res.has_error()) {
      ESP_LOGE(TAG, "Failed! Playback will not work.");
    } else {
      playback = std::move(playback_res.value());
    }
  }

  ESP_LOGI(TAG, "Waiting for background tasks before launching console...");
  vTaskDelay(pdMS_TO_TICKS(1000));

  ESP_LOGI(TAG, "Launch console");
  console::AppConsole console(playback.get());
  console.Launch();

  uint8_t prev_position = 0;
  while (1) {
    touchwheel->Update();
    auto wheel_data = touchwheel->GetTouchWheelData();
    if (wheel_data.wheel_position != prev_position) {
      prev_position = wheel_data.wheel_position;
      ESP_LOGI(TAG, "Touch wheel pos: %u", prev_position);
    }
    vTaskDelay(pdMS_TO_TICKS(100));
  }
}