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ChannelSpectrumConfig message subsumes FIFONotify.

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Separate channel spectrum config from spectrum data. This will permit sending config info only when necessary.
Use type information of ChannelSpectrum to statically define number of FFT bins elsewhere.
TODO: Posting configuration message way too often. Fixing that is the next step.
This commit is contained in:
Jared Boone 2016-01-06 12:10:30 -08:00
parent ba33cc737d
commit 7710b2d1fa
5 changed files with 49 additions and 42 deletions
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39
firmware/common/message.hpp
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@ -56,7 +56,7 @@ public:
NBFMConfigure = 11,
WFMConfigure = 12,
AMConfigure = 13,
FIFONotify = 14,
ChannelSpectrumConfig = 14,
MAX
};
@ -211,14 +211,31 @@ public:
struct ChannelSpectrum {
std::array<uint8_t, 256> db { { 0 } };
size_t db_count { 256 };
uint32_t sampling_rate { 0 };
uint32_t channel_filter_pass_frequency { 0 };
uint32_t channel_filter_stop_frequency { 0 };
};
using ChannelSpectrumFIFO = FIFO<ChannelSpectrum, 2>;
class ChannelSpectrumConfigMessage : public Message {
public:
constexpr ChannelSpectrumConfigMessage(
uint32_t sampling_rate,
uint32_t channel_filter_pass_frequency,
uint32_t channel_filter_stop_frequency,
ChannelSpectrumFIFO* fifo
) : Message { ID::ChannelSpectrumConfig },
sampling_rate { sampling_rate },
channel_filter_pass_frequency { channel_filter_pass_frequency },
channel_filter_stop_frequency { channel_filter_stop_frequency },
fifo { fifo }
{
}
uint32_t sampling_rate { 0 };
uint32_t channel_filter_pass_frequency { 0 };
uint32_t channel_filter_stop_frequency { 0 };
ChannelSpectrumFIFO* fifo { nullptr };
};
class AISPacketMessage : public Message {
public:
constexpr AISPacketMessage(
@ -335,18 +352,6 @@ public:
const fir_taps_real<32> channel_filter;
};
class FIFONotifyMessage : public Message {
public:
constexpr FIFONotifyMessage(
void* const fifo
) : Message { ID::FIFONotify },
fifo { fifo }
{
}
void* const fifo;
};
class MessageHandlerMap {
public:
using MessageHandler = std::function<void(Message* const p)>;