use a less fun but more descriptive namespace

src/drivers/battery.cpp

@@ -4,7 +4,7 @@
 #include "esp_adc_cal.h"
 #include "hal/adc_types.h"
 
-namespace gay_ipod {
+namespace drivers {
 
 static esp_adc_cal_characteristics_t calibration;
 
@@ -28,4 +28,4 @@ uint32_t read_battery_voltage(void) {
   return esp_adc_cal_raw_to_voltage(raw, &calibration);
 }
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/dac.cpp

@@ -11,7 +11,7 @@
 #include "esp_log.h"
 #include "hal/i2c_types.h"
 
-namespace gay_ipod {
+namespace drivers {
 
 static const char* kTag = "AUDIODAC";
 static const uint8_t kPcm5122Address = 0x4C;
@@ -103,4 +103,4 @@ void AudioDac::WriteRegister(Register reg, uint8_t val) {
   ESP_ERROR_CHECK(transaction.Execute());
 }
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/display-init.cpp

@@ -1,6 +1,6 @@
 #include "display-init.hpp"
 
-namespace gay_ipod {
+namespace drivers {
 namespace displays {
 
 /* Bit to use to signify we should delay after part of an init sequence */
@@ -100,4 +100,4 @@ const InitialisationData kST7735R = {
                   kST7735RCommonFooter}};
 
 }  // namespace displays
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/display.cpp

@@ -41,7 +41,7 @@ static const int kDisplayBufferSize = (kDisplayWidth * kDisplayHeight) / 10;
 DMA_ATTR static lv_color_t sBuffer1[kDisplayBufferSize];
 DMA_ATTR static lv_color_t sBuffer2[kDisplayBufferSize];
 
-namespace gay_ipod {
+namespace drivers {
 
 // Static functions for interrop with the LVGL display driver API, which
 // requires a function pointer.
@@ -282,4 +282,4 @@ void Display::ServiceTransactions() {
   }
 }
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/gpio-expander.cpp

@@ -4,7 +4,7 @@
 
 #include <cstdint>
 
-namespace gay_ipod {
+namespace drivers {
 
 GpioExpander::GpioExpander() {
   ports_ = pack(kPortADefault, kPortBDefault);
@@ -84,4 +84,4 @@ GpioExpander::SpiLock::~SpiLock() {
   gpio_.with([&](auto& gpio) { gpio.set_pin(cs_, 1); });
 }
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/i2c.cpp

@@ -4,7 +4,7 @@
 #include "assert.h"
 #include "driver/i2c.h"
 
-namespace gay_ipod {
+namespace drivers {
 
 static constexpr int kCmdLinkSize = I2C_LINK_RECOMMENDED_SIZE(12);
 
@@ -48,4 +48,4 @@ I2CTransaction& I2CTransaction::read(uint8_t* dest, i2c_ack_type_t ack) {
   return *this;
 }
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/include/battery.hpp

@@ -4,7 +4,7 @@
 
 #include "esp_err.h"
 
-namespace gay_ipod {
+namespace drivers {
 
 esp_err_t init_adc(void);
 
@@ -13,4 +13,4 @@ esp_err_t init_adc(void);
  */
 uint32_t read_battery_voltage(void);
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/include/dac.hpp

@@ -8,7 +8,7 @@
 #include "esp_err.h"
 #include "result.hpp"
 
-namespace gay_ipod {
+namespace drivers {
 
 /**
  * Interface for a PCM5122PWR DAC, configured over I2C.
@@ -70,4 +70,4 @@ class AudioDac {
   void WriteRegister(Register reg, uint8_t val);
 };
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/include/display-init.hpp

@@ -2,7 +2,7 @@
 
 #include <cstdint>
 
-namespace gay_ipod {
+namespace drivers {
 namespace displays {
 
 extern const uint8_t kDelayBit;
@@ -78,4 +78,4 @@ enum StCommands {
 };
 
 }  // namespace displays
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/include/display.hpp

@@ -7,7 +7,7 @@
 #include "lvgl/lvgl.h"
 #include "result.hpp"
 
-namespace gay_ipod {
+namespace drivers {
 
 /*
  * Display driver for LVGL.
@@ -64,4 +64,4 @@ class Display {
                        uintptr_t flags = 0);
 };
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/include/gpio-expander.hpp

@@ -13,7 +13,7 @@
 #include "esp_log.h"
 #include "freertos/FreeRTOS.h"
 
-namespace gay_ipod {
+namespace drivers {
 
 /**
  * Wrapper for interfacing with the PCA8575 GPIO expander. Includes basic
@@ -205,4 +205,4 @@ class GpioExpander {
   std::atomic<uint16_t> inputs_;
 };
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/include/i2c.hpp

@@ -5,7 +5,7 @@
 #include "driver/i2c.h"
 #include "hal/i2c_types.h"
 
-namespace gay_ipod {
+namespace drivers {
 
 /*
  * Convenience wrapper for performing an I2C transaction with a reasonable
@@ -81,4 +81,4 @@ class I2CTransaction {
   uint8_t* buffer_;
 };
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/include/playback.hpp

@@ -17,7 +17,7 @@
 #include "mp3_decoder.h"
 #include "result.hpp"
 
-namespace gay_ipod {
+namespace drivers {
 
 class DacAudioPlayback {
  public:
@@ -64,4 +64,4 @@ class DacAudioPlayback {
   audio_element_handle_t mp3_decoder_;
 };
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/include/storage.hpp

@@ -10,7 +10,7 @@
 #include "esp_vfs_fat.h"
 #include "result.hpp"
 
-namespace gay_ipod {
+namespace drivers {
 
 extern const char* kStoragePath;
 
@@ -57,4 +57,4 @@ class SdStorage {
   FATFS* fs_ = nullptr;
 };
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/playback.cpp

@@ -15,7 +15,7 @@
 static const char* kTag = "PLAYBACK";
 static const i2s_port_t kI2SPort = I2S_NUM_0;
 
-namespace gay_ipod {
+namespace drivers {
 
 static audio_element_status_t status_from_the_void(void* status) {
   uintptr_t as_pointer_int = reinterpret_cast<uintptr_t>(status);
@@ -243,4 +243,4 @@ auto DacAudioPlayback::volume() -> uint8_t {
   return volume_;
 }
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/drivers/storage.cpp

@@ -22,7 +22,7 @@
 static const char* kTag = "SDSTORAGE";
 static const uint8_t kMaxOpenFiles = 8;
 
-namespace gay_ipod {
+namespace drivers {
 
 const char* kStoragePath = "/sdcard";
 
@@ -146,4 +146,4 @@ auto SdStorage::HandleTransaction(sdspi_dev_handle_t handle,
   return do_transaction_(handle, cmdinfo);
 }
 
-}  // namespace gay_ipod
+}  // namespace drivers

src/main/main.cpp

@@ -104,13 +104,13 @@ static StaticTask_t sLvglTaskBuffer = {};
 static StackType_t sLvglStack[kLvglStackSize] = {0};
 
 struct LvglArgs {
-  gay_ipod::GpioExpander* gpio_expander;
+  drivers::GpioExpander* gpio_expander;
 };
 
 void lvgl_main(void* voidArgs) {
   ESP_LOGI(TAG, "starting LVGL task");
   LvglArgs* args = (LvglArgs*)voidArgs;
-  gay_ipod::GpioExpander* gpio_expander = args->gpio_expander;
+  drivers::GpioExpander* gpio_expander = args->gpio_expander;
 
   // Dispose of the args now that we've gotten everything out of them.
   delete args;
@@ -123,12 +123,12 @@ void lvgl_main(void* voidArgs) {
 
   ESP_LOGI(TAG, "init display");
   auto display_res =
-      gay_ipod::Display::create(gpio_expander, gay_ipod::displays::kST7735R);
+      drivers::Display::create(gpio_expander, drivers::displays::kST7735R);
   if (display_res.has_error()) {
     ESP_LOGE(TAG, "Failed: %d", display_res.error());
     return;
   }
-  std::unique_ptr<gay_ipod::Display> display = std::move(display_res.value());
+  std::unique_ptr<drivers::Display> display = std::move(display_res.value());
 
   auto label = lv_label_create(NULL);
   lv_label_set_text(label, "g'day, cunts!");
@@ -151,38 +151,38 @@ extern "C" void app_main(void) {
   ESP_ERROR_CHECK(gpio_install_isr_service(ESP_INTR_FLAG_LOWMED));
   init_i2c();
   init_spi();
-  ESP_ERROR_CHECK(gay_ipod::init_adc());
+  ESP_ERROR_CHECK(drivers::init_adc());
 
   ESP_LOGI(TAG, "Init GPIOs");
-  gay_ipod::GpioExpander* expander = new gay_ipod::GpioExpander();
+  drivers::GpioExpander* expander = new drivers::GpioExpander();
 
   // for debugging usb ic
-  // expander.set_sd_mux(gay_ipod::GpioExpander::USB);
+  // expander.set_sd_mux(drivers::GpioExpander::USB);
 
   /*
   ESP_LOGI(TAG, "Init SD card");
-  auto storage_res = gay_ipod::SdStorage::create(expander);
+  auto storage_res = drivers::SdStorage::create(expander);
   if (storage_res.has_error()) {
     ESP_LOGE(TAG, "Failed: %d", storage_res.error());
     return;
   }
-  std::unique_ptr<gay_ipod::SdStorage> storage = std::move(storage_res.value());
+  std::unique_ptr<drivers::SdStorage> storage = std::move(storage_res.value());
 
   ESP_LOGI(TAG, "Init DAC");
-  auto dac_res = gay_ipod::AudioDac::create(expander);
+  auto dac_res = drivers::AudioDac::create(expander);
   if (storage_res.has_error()) {
     ESP_LOGE(TAG, "Failed: %d", dac_res.error());
     return;
   }
-  std::unique_ptr<gay_ipod::AudioDac> dac = std::move(dac_res.value());
+  std::unique_ptr<drivers::AudioDac> dac = std::move(dac_res.value());
 
   ESP_LOGI(TAG, "Init Audio Pipeline");
-  auto playback_res = gay_ipod::DacAudioPlayback::create(dac.get());
+  auto playback_res = drivers::DacAudioPlayback::create(dac.get());
   if (playback_res.has_error()) {
     ESP_LOGE(TAG, "Failed: %d", playback_res.error());
     return;
   }
-  std::unique_ptr<gay_ipod::DacAudioPlayback> playback =
+  std::unique_ptr<drivers::DacAudioPlayback> playback =
       std::move(playback_res.value());
   */