From 91c46124035779c845cef4a30b52f6b2f905fb86 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@cgnd.dev>
Date: Wed, 8 May 2024 21:24:32 -0700
Subject: [PATCH] FIXME: initial buzzer support

Signed-off-by: Chris Wilson <chris@cgnd.dev>
---
 boards/aludel_elixir_ns.conf |  5 +++++
 src/main.c                   | 24 ++++++++++++++++++++++++
 west.yml                     |  5 +++++
 3 files changed, 34 insertions(+)

diff --git a/boards/aludel_elixir_ns.conf b/boards/aludel_elixir_ns.conf
index e97e2cf..e683bd9 100644
--- a/boards/aludel_elixir_ns.conf
+++ b/boards/aludel_elixir_ns.conf
@@ -40,3 +40,8 @@ CONFIG_BOOTLOADER_MCUBOOT=y
 
 # Use Golioth Ostentus Faceplate
 CONFIG_LIB_OSTENTUS=y
+
+# Enable Golioth buzzer PWM library
+CONFIG_PWM=y
+CONFIG_PWM_BUZZER=y
+CONFIG_PWM_BUZZER_SONGS=y
diff --git a/src/main.c b/src/main.c
index 44d158b..98039db 100644
--- a/src/main.c
+++ b/src/main.c
@@ -16,6 +16,7 @@ LOG_MODULE_REGISTER(golioth_rd_template, LOG_LEVEL_DBG);
 #include <samples/common/net_connect.h>
 #include <samples/common/sample_credentials.h>
 #include <zephyr/kernel.h>
+#include <zephyr/drivers/pwm.h>
 
 #ifdef CONFIG_SOC_NRF9160
 #include <modem/lte_lc.h>
@@ -33,6 +34,18 @@ LOG_MODULE_REGISTER(golioth_rd_template, LOG_LEVEL_DBG);
 #include <modem/modem_info.h>
 #endif
 
+#ifdef CONFIG_PWM_BUZZER
+#include <pwm_buzzer.h>
+#endif /* CONFIG_PWM_BUZZER */
+
+#ifdef CONFIG_PWM_BUZZER_SONGS
+#include <pwm_buzzer_songs.h>
+#endif /* CONFIG_PWM_BUZZER_SONGS */
+
+#if DT_NODE_EXISTS(DT_ALIAS(pwm_buzzer0))
+const struct pwm_dt_spec buzzer = PWM_DT_SPEC_GET(DT_ALIAS(pwm_buzzer0));
+#endif /* DT_NODE_EXISTS(DT_ALIAS(pwm_buzzer0)) */
+
 /* Current firmware version; update in prj.conf or via build argument */
 static const char *_current_version = CONFIG_MCUBOOT_IMGTOOL_SIGN_VERSION;
 
@@ -254,6 +267,17 @@ int main(void)
 		slideshow(30000);
 	));
 
+#ifdef CONFIG_PWM_BUZZER
+	pwm_buzzer_init(&buzzer);
+	// pwm_buzzer_beep(&buzzer);
+#endif /* CONFIG_PWM_BUZZER */
+
+#ifdef CONFIG_PWM_BUZZER_SONGS
+	// pwm_buzzer_play_funkytown(&buzzer);
+	pwm_buzzer_play_mario(&buzzer);
+	// pwm_buzzer_play_golioth(&buzzer);
+#endif /* CONFIG_PWM_BUZZER_SONGS */
+
 	while (true) {
 		app_sensors_read_and_stream();
 
diff --git a/west.yml b/west.yml
index 97f8940..61c9a44 100644
--- a/west.yml
+++ b/west.yml
@@ -46,5 +46,10 @@ manifest:
       revision: v1.1.1
       url: https://github.com/golioth/zephyr-network-info
 
+    - name: reference-design-common
+      path: deps/modules/lib/reference-design-common
+      revision: 73843d3d0e41e31715d6f663eb87b3d0724ed532
+      url: https://github.com/golioth/reference-design-common
+
   self:
     path: app