9a9abd59e9
* WeatherStation: start
* SubGhz: rename protocol magellen -> magellan
* WeatherStation: err Unresolved symbols: {'subghz_protocol_decoder_base_get_string'}
* WeatherStation: fix Unresolved symbols: {'subghz_protocol_decoder_base_get_string'}
* Subghz: add set protocol_items
* WeatherStation: adding your protocols
* WS: add Infactory protocol
* WS: add history
* WS: add setting
* WS: add lock
* WS: add hopper frequency
* WS: fix history
* WS fix string_t -> FuriString*
* WS: add images
* WS: history record update when receiving data from the sensor again
* WS: add receiver info, delete extra code
* WS: add protocol ThermoPRO_TX4
* [FL-2900] SubGhz: Move icons in Sub-GHz
* WS: add Notification
* [FL-2890] SubGhz: Rename *_user files in resources to _user.example
* WS: add about scene
* WS: removing redundant code
* WS: add protocol Nexus-TH
* WS: add protocol GT_WT03
* WS: fix notification and rename "Weather Station" -> "Read Weather Station"
* SubGhz: partial unit tests fix
* SubGhz: fix unit_test
* SubGhz: remove dead code
* SubGhz: rename SubGhzPresetDefinition into SubGhzRadioPreset, cleanup subghz types.
Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
#include "math.h"
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uint64_t subghz_protocol_blocks_reverse_key(uint64_t key, uint8_t count_bit) {
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uint64_t key_reverse = 0;
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for(uint8_t i = 0; i < count_bit; i++) {
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key_reverse = key_reverse << 1 | bit_read(key, i);
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}
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return key_reverse;
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}
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uint8_t subghz_protocol_blocks_get_parity(uint64_t key, uint8_t count_bit) {
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uint8_t parity = 0;
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for(uint8_t i = 0; i < count_bit; i++) {
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parity += bit_read(key, i);
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}
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return parity & 0x01;
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}
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uint8_t subghz_protocol_blocks_crc4(
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uint8_t const message[],
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unsigned nBytes,
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uint8_t polynomial,
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uint8_t init) {
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unsigned remainder = init << 4; // LSBs are unused
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unsigned poly = polynomial << 4;
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unsigned bit;
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while(nBytes--) {
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remainder ^= *message++;
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for(bit = 0; bit < 8; bit++) {
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if(remainder & 0x80) {
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remainder = (remainder << 1) ^ poly;
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} else {
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remainder = (remainder << 1);
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}
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}
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}
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return remainder >> 4 & 0x0f; // discard the LSBs
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}
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uint8_t subghz_protocol_blocks_crc7(
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uint8_t const message[],
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unsigned nBytes,
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uint8_t polynomial,
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uint8_t init) {
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unsigned remainder = init << 1; // LSB is unused
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unsigned poly = polynomial << 1;
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unsigned byte, bit;
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for(byte = 0; byte < nBytes; ++byte) {
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remainder ^= message[byte];
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for(bit = 0; bit < 8; ++bit) {
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if(remainder & 0x80) {
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remainder = (remainder << 1) ^ poly;
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} else {
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remainder = (remainder << 1);
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}
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}
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}
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return remainder >> 1 & 0x7f; // discard the LSB
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}
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uint8_t subghz_protocol_blocks_crc8(
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uint8_t const message[],
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unsigned nBytes,
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uint8_t polynomial,
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uint8_t init) {
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uint8_t remainder = init;
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unsigned byte, bit;
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for(byte = 0; byte < nBytes; ++byte) {
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remainder ^= message[byte];
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for(bit = 0; bit < 8; ++bit) {
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if(remainder & 0x80) {
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remainder = (remainder << 1) ^ polynomial;
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} else {
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remainder = (remainder << 1);
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}
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}
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}
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return remainder;
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} |