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WM8731: Add Codec abstraction.

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This commit is contained in:
Jared Boone
2017-05-31 11:42:12 -07:00
parent 37c058354e
commit bec626e29f
6 changed files with 81 additions and 36 deletions
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39
firmware/application/audio.cpp
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@@ -22,11 +22,8 @@
#include "audio.hpp"
#include "portapack.hpp"
using portapack::i2c0;
using portapack::clock_manager;
#include "wm8731.hpp"
using wolfson::wm8731::WM8731;
#include "portapack_hal.hpp"
#include "i2s.hpp"
@@ -98,9 +95,7 @@ constexpr i2s::ConfigDMA i2s0_config_dma {
},
};
constexpr uint8_t wm8731_i2c_address = 0x1a;
WM8731 audio_codec { i2c0, wm8731_i2c_address };
static audio::Codec* audio_codec = nullptr;
} /* namespace */
@@ -118,12 +113,12 @@ void stop() {
void mute() {
i2s::i2s0::tx_mute();
audio_codec.headphone_mute();
audio_codec->headphone_disable();
}
void unmute() {
i2s::i2s0::tx_unmute();
audio_codec->headphone_enable();
}
} /* namespace output */
@@ -131,30 +126,40 @@ void unmute() {
namespace headphone {
volume_range_t volume_range() {
return wolfson::wm8731::headphone_gain_range;
return audio_codec->headphone_gain_range();
}
void set_volume(const volume_t volume) {
audio_codec.set_headphone_volume(volume);
audio_codec->set_headphone_volume(volume);
}
} /* namespace headphone */
namespace debug {
int reg_count() {
return wolfson::wm8731::reg_count;
size_t reg_count() {
return audio_codec->reg_count();
}
uint16_t reg_read(const int register_number) {
return audio_codec.read(register_number);
uint32_t reg_read(const size_t register_number) {
return audio_codec->reg_read(register_number);
}
std::string codec_name() {
return audio_codec->name();
}
size_t reg_bits() {
return audio_codec->reg_bits();
}
} /* namespace debug */
void init() {
void init(audio::Codec* const codec) {
audio_codec = codec;
clock_manager.start_audio_pll();
audio_codec.init();
audio_codec->init();
i2s::i2s0::configure(
i2s0_config_tx,
@@ -167,7 +172,7 @@ void init() {
}
void shutdown() {
audio_codec.reset();
audio_codec->reset();
output::stop();
}