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Simplify app->baseband message handling.

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No need for a FIFO when all messages are intended to be synchronous.
This commit is contained in:
Jared Boone 2016-06-24 14:16:45 -07:00
parent 61325e4696
commit d41c6ee36a
4 changed files with 37 additions and 36 deletions
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57
firmware/application/baseband_api.cpp
View File

@ -30,6 +30,14 @@
namespace baseband {
static void send_message(const Message* const message) {
// If message is only sent by this function via one thread, no need to check if
// another message is present before setting new message.
shared_memory.baseband_message = message;
creg::m0apptxevent::assert();
while(shared_memory.baseband_message);
}
void AMConfig::apply() const {
const AMConfigureMessage message {
taps_6k0_decim_0,
@ -39,7 +47,7 @@ void AMConfig::apply() const {
modulation,
audio_12k_hpf_300hz_config
};
shared_memory.baseband_queue.push_and_wait(message);
send_message(&message);
audio::set_rate(audio::Rate::Hz_12000);
}
@ -53,7 +61,7 @@ void NBFMConfig::apply() const {
audio_24k_hpf_300hz_config,
audio_24k_deemph_300_6_config
};
shared_memory.baseband_queue.push_and_wait(message);
send_message(&message);
audio::set_rate(audio::Rate::Hz_24000);
}
@ -66,21 +74,20 @@ void WFMConfig::apply() const {
audio_48k_hpf_30hz_config,
audio_48k_deemph_2122_6_config
};
shared_memory.baseband_queue.push_and_wait(message);
send_message(&message);
audio::set_rate(audio::Rate::Hz_48000);
}
void start(BasebandConfiguration configuration) {
BasebandConfigurationMessage message { configuration };
shared_memory.baseband_queue.push_and_wait(message);
send_message(&message);
}
void stop() {
shared_memory.baseband_queue.push_and_wait(
BasebandConfigurationMessage {
.configuration = { },
}
);
BasebandConfigurationMessage message {
.configuration = { },
};
send_message(&message);
}
void run_image(const portapack::spi_flash::region_t image_region) {
@ -92,36 +99,32 @@ void run_image(const portapack::spi_flash::region_t image_region) {
void shutdown() {
creg::m4txevent::disable();
ShutdownMessage shutdown_message;
shared_memory.baseband_queue.push_and_wait(shutdown_message);
ShutdownMessage message;
send_message(&message);
}
void spectrum_streaming_start() {
shared_memory.baseband_queue.push_and_wait(
SpectrumStreamingConfigMessage {
SpectrumStreamingConfigMessage::Mode::Running
}
);
SpectrumStreamingConfigMessage message {
SpectrumStreamingConfigMessage::Mode::Running
};
send_message(&message);
}
void spectrum_streaming_stop() {
shared_memory.baseband_queue.push_and_wait(
SpectrumStreamingConfigMessage {
SpectrumStreamingConfigMessage::Mode::Stopped
}
);
SpectrumStreamingConfigMessage message {
SpectrumStreamingConfigMessage::Mode::Stopped
};
send_message(&message);
}
void capture_start(CaptureConfig* const config) {
shared_memory.baseband_queue.push_and_wait(
CaptureConfigMessage { config }
);
CaptureConfigMessage message { config };
send_message(&message);
}
void capture_stop() {
shared_memory.baseband_queue.push_and_wait(
CaptureConfigMessage { nullptr }
);
CaptureConfigMessage message { nullptr };
send_message(&message);
}
} /* namespace baseband */

4
firmware/application/event_m0.cpp
View File

@ -284,9 +284,7 @@ void EventDispatcher::event_bubble_encoder(const ui::EncoderEvent event) {
}
void EventDispatcher::init_message_queues() {
new (&shared_memory.baseband_queue) MessageQueue(
shared_memory.baseband_queue_data, SharedMemory::baseband_queue_k
);
shared_memory.baseband_message = nullptr;
new (&shared_memory.application_queue) MessageQueue(
shared_memory.application_queue_data, SharedMemory::application_queue_k
);

8
firmware/baseband/event_m4.cpp
View File

@ -87,9 +87,11 @@ void EventDispatcher::dispatch(const eventmask_t events) {
}
void EventDispatcher::handle_baseband_queue() {
shared_memory.baseband_queue.handle([this](Message* const message) {
this->on_message(message);
});
const auto message = shared_memory.baseband_message;
if( message ) {
on_message(message);
shared_memory.baseband_message = nullptr;
}
}
void EventDispatcher::on_message(const Message* const message) {

4
firmware/common/portapack_shared_memory.hpp
View File

@ -33,14 +33,12 @@ struct TouchADCFrame {
/* NOTE: These structures must be located in the same location in both M4 and M0 binaries */
struct SharedMemory {
static constexpr size_t baseband_queue_k = 11;
static constexpr size_t application_queue_k = 11;
static constexpr size_t app_local_queue_k = 11;
uint8_t baseband_queue_data[1 << baseband_queue_k];
uint8_t application_queue_data[1 << application_queue_k];
uint8_t app_local_queue_data[1 << app_local_queue_k];
MessageQueue baseband_queue;
const Message* volatile baseband_message;
MessageQueue application_queue;
MessageQueue app_local_queue;