mirror of
https://github.com/eried/portapack-mayhem.git
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89 lines
3.3 KiB
C++
89 lines
3.3 KiB
C++
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#ifndef __FPROTO_VAUNO_EN8822_H__
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#define __FPROTO_VAUNO_EN8822_H__
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#include "weatherbase.hpp"
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typedef enum {
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VaunoEN8822CDecoderStepReset = 0,
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VaunoEN8822CDecoderStepSaveDuration,
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VaunoEN8822CDecoderStepCheckDuration,
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} VaunoEN8822CDecoderStep;
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class FProtoWeatherVaunoEN8822 : public FProtoWeatherBase {
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public:
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FProtoWeatherVaunoEN8822() {
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sensorType = FPW_Vauno_EN8822;
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}
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void feed(bool level, uint32_t duration) override {
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switch (parser_step) {
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case VaunoEN8822CDecoderStepReset:
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if ((!level) && DURATION_DIFF(duration, te_long * 4) < te_delta) {
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parser_step = VaunoEN8822CDecoderStepSaveDuration;
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decode_data = 0;
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decode_count_bit = 0;
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}
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break;
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case VaunoEN8822CDecoderStepSaveDuration:
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if (level) {
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te_last = duration;
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parser_step = VaunoEN8822CDecoderStepCheckDuration;
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} else {
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parser_step = VaunoEN8822CDecoderStepReset;
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}
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break;
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case VaunoEN8822CDecoderStepCheckDuration:
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if (!level) {
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if (DURATION_DIFF(te_last, te_short) < te_delta) {
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if (DURATION_DIFF(duration, te_long * 2) < te_delta) {
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subghz_protocol_blocks_add_bit(1);
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parser_step = VaunoEN8822CDecoderStepSaveDuration;
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} else if (DURATION_DIFF(duration, te_long) < te_delta) {
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subghz_protocol_blocks_add_bit(0);
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parser_step = VaunoEN8822CDecoderStepSaveDuration;
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} else if (DURATION_DIFF(duration, te_long * 4) < te_delta) {
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parser_step = VaunoEN8822CDecoderStepReset;
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if (decode_count_bit == min_count_bit_for_found && ws_protocol_vauno_en8822c_check()) {
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// ws_protocol_vauno_en8822c_extract_data(&instance->generic);
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if (callback) {
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callback(this);
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}
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} else if (decode_count_bit == 1) {
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parser_step = VaunoEN8822CDecoderStepSaveDuration;
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}
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decode_data = 0;
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decode_count_bit = 0;
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} else
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parser_step = VaunoEN8822CDecoderStepReset;
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} else
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parser_step = VaunoEN8822CDecoderStepReset;
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} else
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parser_step = VaunoEN8822CDecoderStepReset;
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break;
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}
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}
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protected:
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// timing values
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uint32_t te_short = 500;
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uint32_t te_long = 1940;
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uint32_t te_delta = 150;
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uint32_t min_count_bit_for_found = 42;
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bool ws_protocol_vauno_en8822c_check() {
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if (!decode_data) return false;
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// The sum of all nibbles should match the last 6 bits
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uint8_t sum = 0;
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for (uint8_t i = 6; i <= 38; i += 4) {
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sum += ((decode_data >> i) & 0x0f);
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}
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return sum != 0 && (sum & 0x3f) == (decode_data & 0x3f);
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}
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};
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#endif
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