Fix playback and console issues

src/main/app_console.cpp

@@ -1,7 +1,9 @@
 #include "app_console.hpp"
 
 #include <dirent.h>
+#include <cstdint>
 #include <cstdio>
+#include <cstdlib>
 #include <iostream>
 #include <string>
 #include "esp_console.h"
@@ -10,16 +12,22 @@ namespace console {
 
 static AppConsole* sInstance = nullptr;
 
+std::string toSdPath(std::string filepath) {
+  return std::string(drivers::kStoragePath) + "/" + filepath;
+}
+
 int CmdListDir(int argc, char** argv) {
   static const std::string usage = "usage: ls [directory]";
   if (argc > 2) {
     std::cout << usage << std::endl;
     return 1;
   }
-  std::string path = drivers::kStoragePath;
+
+  std::string path;
   if (argc == 2) {
-    path += "/";
-    path += argv[1];
+    path = toSdPath(argv[1]);
+  } else {
+    path = toSdPath("");
   }
 
   DIR* dir;
@@ -44,15 +52,15 @@ void RegisterListDir() {
 
 int CmdPlayFile(int argc, char** argv) {
   static const std::string usage = "usage: play [file]";
-  if (argc != 2) {
+  if (argc < 2 || argc > 3) {
     std::cout << usage << std::endl;
     return 1;
   }
-  std::string path = drivers::kStoragePath;
-  path += "/";
-  path += argv[1];
 
-  sInstance->playback_->Play(path.c_str());
+  sInstance->playback_->Play(toSdPath(argv[1]));
+  if (argc == 3) {
+    sInstance->playback_->SetNextFile(toSdPath(argv[2]));
+  }
 
   return 0;
 }
@@ -87,8 +95,35 @@ void RegisterToggle() {
   esp_console_cmd_register(&cmd);
 }
 
-AppConsole::AppConsole(std::unique_ptr<drivers::AudioPlayback> playback)
-    : playback_(std::move(playback)) {
+int CmdVolume(int argc, char** argv) {
+  static const std::string usage = "usage: volume [0-255]";
+  if (argc != 2) {
+    std::cout << usage << std::endl;
+    return 1;
+  }
+
+  long int raw_vol = strtol(argv[1], NULL, 10);
+  if (raw_vol < 0 || raw_vol > 255) {
+    std::cout << usage << std::endl;
+    return 1;
+  }
+
+  sInstance->playback_->SetVolume((uint8_t)raw_vol);
+
+  return 0;
+}
+
+void RegisterVolume() {
+  esp_console_cmd_t cmd{
+      .command = "vol",
+      .help = "Changes the volume (between 0 and 254. 255 is mute.)",
+      .hint = NULL,
+      .func = &CmdVolume,
+      .argtable = NULL};
+  esp_console_cmd_register(&cmd);
+}
+
+AppConsole::AppConsole(drivers::AudioPlayback* playback) : playback_(playback) {
   sInstance = this;
 }
 AppConsole::~AppConsole() {
@@ -99,6 +134,7 @@ auto AppConsole::RegisterExtraComponents() -> void {
   RegisterListDir();
   RegisterPlayFile();
   RegisterToggle();
+  RegisterVolume();
 }
 
 }  // namespace console

src/main/app_console.hpp

@@ -9,10 +9,10 @@ namespace console {
 
 class AppConsole : public Console {
  public:
-  AppConsole(std::unique_ptr<drivers::AudioPlayback> playback);
+  AppConsole(drivers::AudioPlayback* playback);
   virtual ~AppConsole();
 
-  std::unique_ptr<drivers::AudioPlayback> playback_;
+  drivers::AudioPlayback* playback_;
 
  protected:
   virtual auto RegisterExtraComponents() -> void;

src/main/main.cpp

@@ -130,9 +130,10 @@ extern "C" void app_main(void) {
   }
   std::unique_ptr<drivers::AudioPlayback> playback =
       std::move(playback_res.value());
+  playback->SetVolume(130);
 
   ESP_LOGI(TAG, "Launch console");
-  console::AppConsole console(std::move(playback));
+  console::AppConsole console(playback.get());
   console.Launch();
 
   while (1) {