Merge pull request 'lua-volume' (#60) from lua-volume into main

Reviewed-on: https://codeberg.org/cool-tech-zone/tangara-fw/pulls/60
Reviewed-by: cooljqln <cooljqln@noreply.codeberg.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/src/audio/i2s_audio_output.cpp b/src/audio/i2s_audio_output.cpp
index 3fb99159..2a251685 100644
--- a/src/audio/i2s_audio_output.cpp
+++ b/src/audio/i2s_audio_output.cpp
@@ -111,6 +111,15 @@ auto I2SAudioOutput::GetVolumePct() -> uint_fast8_t {
   return (current_volume_ - kMinVolume) * 100 / (max_volume_ - kMinVolume);
 }
 
+auto I2SAudioOutput::SetVolumePct(uint_fast8_t val) -> bool {
+  if (val > 100) {
+    return false;
+  }
+  uint16_t vol = (val * (max_volume_ - kMinVolume))/100 + kMinVolume;
+  SetVolume(vol);
+  return true;
+}
+
 auto I2SAudioOutput::GetVolumeDb() -> int_fast16_t {
   // Add two before dividing in order to round correctly.
   return (static_cast<int>(current_volume_) -
@@ -118,6 +127,11 @@ auto I2SAudioOutput::GetVolumeDb() -> int_fast16_t {
          4;
 }
 
+auto I2SAudioOutput::SetVolumeDb(int_fast16_t val) -> bool {
+  SetVolume(val * 4 + static_cast<int>(drivers::wm8523::kLineLevelReferenceVolume) - 2);
+  return true;
+}
+
 auto I2SAudioOutput::AdjustVolumeUp() -> bool {
   if (GetVolume() >= max_volume_) {
     return false;