Clean up gpios interface

1 files changed, 0 insertions, 85 deletions

diff --git a/src/drivers/digital_pot.cpp b/src/drivers/digital_pot.cpp
deleted file mode 100644
index b20d982d..00000000
--- a/src/drivers/digital_pot.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright 2023 jacqueline <me@jacqueline.id.au>
- *
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-#include "digital_pot.hpp"
-
-#include <cstdint>
-
-namespace drivers {
-
-using GpioExpander::VOL_LEFT;
-using GpioExpander::VOL_RIGHT;
-using GpioExpander::VOL_UP_DOWN;
-using GpioExpander::VOL_Z_CROSS;
-
-DigitalPot::DigitalPot(GpioExpander* gpios) : gpios_(gpios) {
-  gpios_->set_pin(VOL_Z_CROSS, true);  // Active-low
-  gpios_->set_pin(VOL_UP_DOWN, true);
-  gpios_->set_pin(VOL_LEFT, false);
-  gpios_->set_pin(VOL_RIGHT, false);
-  gpios_->Write();
-
-  // Power-on reset sets attenuation to maximum anyway, but we want to be safe
-  // and not blow anyone's ears out.
-  for (int i = 0; i < 32; i++) {
-    gpios_->set_pin(VOL_LEFT, true);
-    gpios_->set_pin(VOL_RIGHT, true);
-    gpios_->Write();
-    gpios_->set_pin(VOL_LEFT, false);
-    gpios_->set_pin(VOL_RIGHT, false);
-    gpios_->Write();
-  }
-}
-
-auto DigitalPot::SetRelative(int_fast8_t change) -> void {
-  if (change == 0) {
-    return;
-  }
-
-  gpios_->set_pin(VOL_UP_DOWN, change > 0);
-  gpios_->Write();
-
-  for (int i = 0; i < std::abs(change); i++) {
-    gpios_->set_pin(VOL_LEFT, true);
-    gpios_->set_pin(VOL_RIGHT, true);
-    gpios_->Write();
-    gpios_->set_pin(VOL_LEFT, false);
-    gpios_->set_pin(VOL_RIGHT, false);
-    gpios_->Write();
-  }
-}
-
-auto DigitalPot::SetRelative(Channel ch, int_fast8_t change) -> void {
-  if (change == 0) {
-    return;
-  }
-
-  GpioExpander::Pin pin = (ch == Channel::kLeft) ? VOL_LEFT : VOL_RIGHT;
-  gpios_->set_pin(VOL_UP_DOWN, change > 0);
-  gpios_->Write();
-
-  for (int i = 0; i < std::abs(change); i++) {
-    gpios_->set_pin(pin, true);
-    gpios_->Write();
-    gpios_->set_pin(pin, false);
-    gpios_->Write();
-  }
-}
-
-auto DigitalPot::SetZeroCrossDetect(bool enabled) -> void {
-  gpios_->set_pin(VOL_Z_CROSS, !enabled);  // Active-low
-  gpios_->Write();
-}
-
-auto DigitalPot::GetMaxAttenuation() -> int_fast8_t {
-  return 31;
-}
-
-auto DigitalPot::GetMinAttenuation() -> int_fast8_t {
-  return 0;
-}
-
-}  // namespace drivers