mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2026-09-08 07:49:04 +00:00
Jeff Laflamme
819b4d0fed
* Add restaurant pager protocol to SubGhzD receiver EV1527-variant 25-bit OOK PWM decoder for restaurant pager systems (JianTao JT-913 and similar). Decodes system ID, pager address, and function code (buzz/sync). * Show friendly pager details in SubGhzD view
76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
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#ifndef __FPROTO_RESTAURANT_PAGER_H__
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#define __FPROTO_RESTAURANT_PAGER_H__
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#include "subghzdbase.hpp"
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typedef enum : uint8_t {
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RestaurantPagerDecoderStepReset = 0,
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RestaurantPagerDecoderStepSaveDuration,
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RestaurantPagerDecoderStepCheckDuration,
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} RestaurantPagerDecoderStep;
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class FProtoSubGhzDRestaurantPager : public FProtoSubGhzDBase {
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public:
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FProtoSubGhzDRestaurantPager() {
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sensorType = FPS_RESTAURANT_PAGER;
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te_short = 204;
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te_long = 636;
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te_delta = 100;
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min_count_bit_for_found = 25;
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}
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void feed(bool level, uint32_t duration) {
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switch (parser_step) {
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case RestaurantPagerDecoderStepReset:
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if ((!level) && (DURATION_DIFF(duration, te_short * 36) < te_delta * 36)) {
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// Found preamble
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parser_step = RestaurantPagerDecoderStepSaveDuration;
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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 RestaurantPagerDecoderStepSaveDuration:
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if (level) {
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te_last = duration;
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parser_step = RestaurantPagerDecoderStepCheckDuration;
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}
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break;
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case RestaurantPagerDecoderStepCheckDuration:
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if (!level) {
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if (duration >= ((uint32_t)te_long * 2)) {
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parser_step = RestaurantPagerDecoderStepSaveDuration;
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if (decode_count_bit == min_count_bit_for_found) {
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// Skip all-ones preamble frames
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if ((decode_data >> 1) != 0xFFFFFF) {
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data_count_bit = decode_count_bit;
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if (callback) callback(this);
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}
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}
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decode_data = 0;
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decode_count_bit = 0;
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break;
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}
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if ((DURATION_DIFF(te_last, te_short) < te_delta) &&
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(DURATION_DIFF(duration, te_long) < te_delta * 3)) {
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subghz_protocol_blocks_add_bit(0);
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parser_step = RestaurantPagerDecoderStepSaveDuration;
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} else if (
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(DURATION_DIFF(te_last, te_long) < te_delta * 3) &&
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(DURATION_DIFF(duration, te_short) < te_delta)) {
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subghz_protocol_blocks_add_bit(1);
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parser_step = RestaurantPagerDecoderStepSaveDuration;
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} else {
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parser_step = RestaurantPagerDecoderStepReset;
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}
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} else {
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parser_step = RestaurantPagerDecoderStepReset;
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}
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break;
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}
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}
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};
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#endif
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