Implement sound module to handle audio alerts

main/CMakeLists.txt

@@ -1,5 +1,5 @@
 idf_component_register(
   SRCS "main.c"
   INCLUDE_DIRS "."
-  REQUIRES console_wrapper display settings time wifi
+  REQUIRES console_wrapper display settings sound time wifi
 )

main/Kconfig.projbuild

@@ -16,6 +16,17 @@ menu "Bedside clock settings"
                  string "Default SNTP server domain"
                  default "pool.ntp.org"
      endmenu
+     menu "Alert sound options"
+          config ALERT_FREQ
+                 int "Frequency (in Hz) of the alert sound"
+                 default 300
+          config ALERT_AMPLITUDE
+                 int "Amplitude (0 to 255) of the alert sound"
+                 default 180
+          config ALERT_TOGGLE_PERIOD_MS
+                 int "Toggle period of alert sound in milliseconds"
+                 default 300
+     endmenu
      config WIFI_MAX_RETRIES
             int "Maximum number of times to retry connecting to WiFi network"
             default 10

main/main.c

@@ -6,6 +6,7 @@
 #include "console.h"
 #include "display.h"
 #include "settings.h"
+#include "sound.h"
 #include "time_manager.h"
 #include "wifi.h"
 
@@ -16,4 +17,5 @@ void app_main(void)
 	display_init();
 	wifi_init();
 	time_manager_init();
+	sound_init();
 }