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89 lines
2.9 KiB
89 lines
2.9 KiB
2 years ago
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#include "assert.h"
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#include "audio_fsm.hpp"
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#include "core/lv_obj.h"
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#include "display_init.hpp"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "event_queue.hpp"
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#include "gpio_expander.hpp"
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#include "lvgl/lvgl.h"
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#include "spi.hpp"
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#include "system_events.hpp"
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#include "system_fsm.hpp"
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#include "ui_fsm.hpp"
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#include "i2c.hpp"
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#include "touchwheel.hpp"
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namespace system_fsm {
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namespace states {
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static const char kTag[] = "BOOT";
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auto Booting::entry() -> void {
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ESP_LOGI(kTag, "beginning tangara boot");
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ESP_LOGI(kTag, "installing bare minimum drivers");
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// I2C and SPI are both always needed. We can't even power down or show an
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// error without these.
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ESP_ERROR_CHECK(drivers::init_i2c());
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ESP_ERROR_CHECK(drivers::init_spi());
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// These drivers are the bare minimum to even show an error. If these fail,
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// then the system is completely hosed.
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sGpioExpander.reset(drivers::GpioExpander::Create());
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assert(sGpioExpander != nullptr);
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// Start bringing up LVGL now, since we have all of its prerequisites.
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ESP_LOGI(kTag, "starting ui");
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lv_init();
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sDisplay.reset(drivers::Display::Create(sGpioExpander.get(),
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drivers::displays::kST7735R));
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assert(sDisplay != nullptr);
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// The UI FSM now has everything it needs to start setting up. Do this now,
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// so that we can properly show the user any errors that appear later.
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ui::UiState::Init(sGpioExpander.get(), sTouch, sDisplay, sDatabase);
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events::Dispatch<DisplayReady, ui::UiState>(DisplayReady());
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// These drivers are required for normal operation, but aren't critical for
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// booting. We will transition to the error state if these aren't present.
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ESP_LOGI(kTag, "installing required drivers");
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sSamd.reset(drivers::Samd::Create());
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sTouch.reset(drivers::TouchWheel::Create());
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auto dac_res = drivers::AudioDac::create(sGpioExpander.get());
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if (dac_res.has_error() || !sSamd || !sTouch) {
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events::Dispatch<FatalError, SystemState, ui::UiState, audio::AudioState>(
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FatalError());
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return;
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}
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sDac.reset(dac_res.value());
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// These drivers are initialised on boot, but are recoverable (if weird) if
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// they fail.
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ESP_LOGI(kTag, "installing extra drivers");
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sBattery.reset(drivers::Battery::Create());
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// All drivers are now loaded, so we can finish initing the other state
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// machines.
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audio::AudioState::Init(sGpioExpander.get(), sDac, sDatabase);
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events::Dispatch<BootComplete, SystemState, ui::UiState, audio::AudioState>(
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BootComplete());
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}
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auto Booting::react(const BootComplete& ev) -> void {
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ESP_LOGE(kTag, "bootup completely successfully");
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// It's possible that the SAMD is currently exposing the SD card as a USB
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// device. Make sure we don't immediately try to claim it.
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if (sSamd && sSamd->ReadUsbMscStatus() ==
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drivers::Samd::UsbMscStatus::kAttachedMounted) {
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transit<Unmounted>();
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}
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transit<Running>();
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}
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} // namespace states
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} // namespace system_fsm
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