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Pezsma
33 lines
1008 B
C++
33 lines
1008 B
C++
#ifndef __PROC_MORSETX_H__
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#define __PROC_MORSETX_H__
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#include "baseband_processor.hpp"
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#include "baseband_thread.hpp"
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#include "portapack_shared_memory.hpp"
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#include "audio_output.hpp"
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#include "audio_dma.hpp"
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#define AUDIO_OUTPUT_BUFFER_SIZE 32
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#define AUDIO_SAMPLING_RATE 24000
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class MorseTXProcessor : public BasebandProcessor {
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public:
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void execute(const buffer_c8_t& buffer) override;
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void on_message(const Message* const msg) override;
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private:
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bool configured{false};
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bool key_down{false}; // currently the virtual key is pressed or not.
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int8_t sample{0}, re{0}, im{0};
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uint8_t modulation{0}; // 0=AM, 1=FM, 2=DSB, 3=USB, 4=LSB
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uint32_t tone_delta{0}; // shifting value by tone
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uint32_t fm_delta{};
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uint32_t tone_phase{0};
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uint32_t tone{0}; // audio tone frequeny
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int32_t phase{0}, sphase{0}, delta{0}; // sample generation.
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BasebandThread baseband_thread{1536000, this, baseband::Direction::Transmit};
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};
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#endif |