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awacs: pausing sound output DMA channel.

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This commit is contained in:
Maxim Poliakovski 2023-11-09 00:54:58 +01:00
parent b7341d0ab8
commit 453930ff75
2 changed files with 33 additions and 33 deletions
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58
devices/sound/awacs.cpp
View File

@ -34,8 +34,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <loguru.hpp>
AwacsBase::AwacsBase(std::string name)
{
AwacsBase::AwacsBase(std::string name) {
supports_types(HWCompType::SND_CODEC);
this->name = name;
@ -46,8 +45,7 @@ AwacsBase::AwacsBase(std::string name)
this->out_stream_ready = false;
}
void AwacsBase::set_sample_rate(int sr_id)
{
void AwacsBase::set_sample_rate(int sr_id) {
if (sr_id > this->max_sr_id) {
LOG_F(ERROR, "%s: invalid sample rate ID %d!", this->name.c_str(), sr_id);
} else {
@ -55,8 +53,7 @@ void AwacsBase::set_sample_rate(int sr_id)
}
};
void AwacsBase::dma_out_start()
{
void AwacsBase::dma_out_start() {
int err;
bool reopen = false;
@ -65,10 +62,11 @@ void AwacsBase::dma_out_start()
if (reopen) {
snd_server->close_out_stream();
this->out_stream_ready = false;
this->out_stream_ready = false;
this->out_stream_running = false;
}
if (!this->out_stream_ready || reopen) {
if (!this->out_stream_ready) {
if ((err = this->snd_server->open_out_stream(this->cur_sample_rate,
(void *)this->dma_out_ch))) {
LOG_F(ERROR, "%s: unable to open sound output stream: %d",
@ -76,26 +74,31 @@ void AwacsBase::dma_out_start()
return;
}
if ((err = snd_server->start_out_stream())) {
LOG_F(ERROR, "%s: could not start sound output stream", this->name.c_str());
}
this->out_sample_rate = this->cur_sample_rate;
this->out_stream_ready = true;
}
}
void AwacsBase::dma_out_stop()
{
if (this->out_stream_ready) {
snd_server->close_out_stream();
this->out_stream_ready = false;
if (!this->out_stream_running) {
if ((err = snd_server->start_out_stream())) {
LOG_F(ERROR, "%s: could not start sound output stream", this->name.c_str());
}
}
}
void AwacsBase::dma_out_stop() {
if (this->out_stream_ready) {
snd_server->close_out_stream();
this->out_stream_ready = false;
this->out_stream_running = false;
}
}
void AwacsBase::dma_out_pause() {
this->out_stream_running = false;
}
//=========================== PDM-style AWACs =================================
AwacDevicePdm::AwacDevicePdm() : AwacsBase("AWAC-PDM")
{
AwacDevicePdm::AwacDevicePdm() : AwacsBase("AWAC-PDM") {
static int pdm_awac_freqs[3] = {22050, 29400, 44100};
// PDM-style AWACs only supports three sample rates
@ -103,14 +106,12 @@ AwacDevicePdm::AwacDevicePdm() : AwacsBase("AWAC-PDM")
this->max_sr_id = 2;
}
uint32_t AwacDevicePdm::read_stat()
{
uint32_t AwacDevicePdm::read_stat() {
// TODO: implement all other status bits
return (AWAC_REV_AWACS << 12) | (AWAC_MAKER_CRYSTAL << 8);
}
void AwacDevicePdm::write_ctrl(uint32_t addr, uint16_t value)
{
void AwacDevicePdm::write_ctrl(uint32_t addr, uint16_t value) {
if (addr <= 4) {
this->ctrl_regs[addr] = value;
} else {
@ -120,8 +121,7 @@ void AwacDevicePdm::write_ctrl(uint32_t addr, uint16_t value)
}
//============================= Screamer AWACs ================================
AwacsScreamer::AwacsScreamer(std::string name) : MacioSndCodec(name)
{
AwacsScreamer::AwacsScreamer(std::string name) : MacioSndCodec(name) {
static int screamer_freqs[8] = {
44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350
};
@ -140,8 +140,7 @@ int AwacsScreamer::device_postinit() {
return 0;
}
uint32_t AwacsScreamer::snd_ctrl_read(uint32_t offset, int size)
{
uint32_t AwacsScreamer::snd_ctrl_read(uint32_t offset, int size) {
switch (offset) {
case AWAC_SOUND_CTRL_REG:
return this->snd_ctrl_reg;
@ -156,8 +155,7 @@ uint32_t AwacsScreamer::snd_ctrl_read(uint32_t offset, int size)
return 0;
}
void AwacsScreamer::snd_ctrl_write(uint32_t offset, uint32_t value, int size)
{
void AwacsScreamer::snd_ctrl_write(uint32_t offset, uint32_t value, int size) {
int subframe, reg_num;
uint16_t data;

8
devices/sound/awacs.h
View File

@ -51,6 +51,7 @@ public:
void set_sample_rate(int sr_id);
void dma_out_start();
void dma_out_stop();
void dma_out_pause();
protected:
SoundServer *snd_server; // SoundServer instance pointer
@ -59,9 +60,10 @@ protected:
int *sr_table; // pointer to the table of supported sample rates
int max_sr_id; // maximum value for sample rate ID
bool out_stream_ready = false;
int cur_sample_rate = -1;
int out_sample_rate = -1;
bool out_stream_ready = false;
bool out_stream_running = false;
int cur_sample_rate = -1;
int out_sample_rate = -1;
};
/** AWACs PDM-style sound codec. */