Joey Yakimowich-Payne
bce94d38ce
Decode Nintendo HD-rumble words once in firmware into conventional low/high magnitudes and normalize stripped control SET_REPORT vs complete interrupt OUT reports through one path.
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
#ifndef SWITCH_HAPTICS_H
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#define SWITCH_HAPTICS_H
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#include <stddef.h>
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#include <stdint.h>
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struct SwitchRumbleOutput {
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uint8_t low_frequency_magnitude;
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uint8_t high_frequency_magnitude;
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};
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size_t normalize_switch_output_report(uint8_t report_id,
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const uint8_t* payload,
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size_t payload_size,
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uint8_t output[64]);
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class SwitchHapticsDecoder {
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public:
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SwitchHapticsDecoder();
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void reset();
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SwitchRumbleOutput decode(const uint8_t payload[8]);
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private:
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struct ActuatorState {
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uint8_t high_amplitude;
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uint8_t low_amplitude;
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uint8_t high_frequency;
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uint8_t low_frequency;
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uint32_t last_word;
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bool have_last_word;
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};
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struct AmplitudePeak {
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uint8_t low;
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uint8_t high;
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};
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static void reset_actuator(ActuatorState& state);
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static AmplitudePeak decode_actuator(ActuatorState& state, uint32_t word);
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static uint8_t amplitude_to_magnitude(uint8_t amplitude_index);
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ActuatorState actuators_[2];
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};
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#endif
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