From 65ac4ce493d6f7be2381485abe9041b8ef4bebf9 Mon Sep 17 00:00:00 2001
From: mahlon <mahlon@martini.nu>
Date: Fri, 12 May 2023 17:36:55 +0000
Subject: [PATCH] Make espeak options and startup behavior configurable.

FossilOrigin-Name: 153d02185cc6e0ea224ef04593383612ca2f4795e62fda3d73750c8046cf7dad
---
 theremin/config.yml      |  1 +
 theremin/lib/theremin.rb | 13 +++++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/theremin/config.yml b/theremin/config.yml
index 94ad2fd..e611490 100644
--- a/theremin/config.yml
+++ b/theremin/config.yml
@@ -16,6 +16,7 @@ theremin:
   gain_echo: 24
   distance_max: 2
   cancel_after: 3
+  startup_message: Hello.  I'm Maude the bod.  Lets make beautiful music together.
 #   font: /usr/share/sounds/sf2/FluidR3_GM.sf2
 #   glide: 1
 #   slew: 5
diff --git a/theremin/lib/theremin.rb b/theremin/lib/theremin.rb
index ac8d9b5..e0437d3 100755
--- a/theremin/lib/theremin.rb
+++ b/theremin/lib/theremin.rb
@@ -123,6 +123,13 @@ class Theremin
 		# Only change the note if the range finder value moves +/- this much
 		# between samples.  This helps hold pitch, and avoids "warbles".
 		setting :slew, default: 5
+
+		##
+		# Optional message to speak at startup.
+		setting :startup_message, default: nil
+
+		## ESpeak TTL options.
+		setting :espeak_flags, default: %w[ -k20 -v f5 -s 160 -a 150 ]
 	end
 
 
@@ -177,7 +184,7 @@ class Theremin
 		@threads << self.note_thread
 		@threads << self.gain_thread
 		self.led( :green )
-		self.speak "Hi.  I'm Maude."
+		self.speak( self.class.startup_message ) if self.class.startup_message
 		self.log.warn "Waiting for interaction, or ctrl-c to exit."
 		@threads.map( &:join )
 	end
@@ -268,7 +275,9 @@ class Theremin
 	## 
 	def setup_speech
 		self.log.info "Starting background espeak process."
-		cmd = %w[ espeak -k20 -v f5 -s 160 -a 150 ]
+		cmd = [ 'espeak' ]
+		cmd << self.class.espeak_flags
+		cmd.flatten!
 		@speech_io, stdout, stderr, wait_thr = Open3.popen3( *cmd )
 	end