Use snd_pcm_start() in compatible way (PC + PI)

2 files changed, 16 insertions, 1 deletions

diff --git a/PCM.cpp b/PCM.cpp
index 5e90b97..4388974 100644
--- a/PCM.cpp
+++ b/PCM.cpp
@@ -40,7 +40,8 @@ PCM::PCM(Config& config):
 
   if (0 > snd_pcm_start(handle))
   {
-   throw std::runtime_error("PCM could not be started");
+    // On raspberry, this results in error. However, seems to generally work without
+    log_cout << "PCM could not be started" << std::endl;
   }
 
   if (npfd != 1) {
diff --git a/README.md b/README.md
index 5e91c1f..fa36934 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,17 @@ Features:
   - set/detected tempo (from clock/click)
   - detected notes
 
+MIDI:
+$ aseqdump -l
+ Port    Client name                      Port name
+  0:0    System                           Timer
+  0:1    System                           Announce
+ 14:0    Midi Through                     Midi Through Port-0
+ 24:0    M2                               M2 MIDI 1
+
+=> M2 on 24:0 => client 24, port 0
+
+PCM:
 Configure device:
 
 Find your card with:
@@ -27,6 +38,9 @@ $ cat /proc/asound/cards
 To get valid ALSA card names, use aplay:
 
 $ aplay -l
+...
+default:CARD=Headphones
+...
 
 and then create /etc/asound.conf with following: