{"id":130528,"date":"2023-05-01T22:14:27","date_gmt":"2023-05-01T16:14:27","guid":{"rendered":"http:\/\/rcl-radio.ru\/?p=130528"},"modified":"2026-01-07T14:47:05","modified_gmt":"2026-01-07T08:47:05","slug":"%d0%b0%d0%bd%d0%b0%d0%bb%d0%b8%d0%b7%d0%b0%d1%82%d0%be%d1%80-%d1%81%d0%bf%d0%b5%d0%ba%d1%82%d1%80%d0%b0-%d0%bd%d0%b0-sh1106-oled-1-3-arduino","status":"publish","type":"post","link":"http:\/\/rcl-radio.ru\/?p=130528","title":{"rendered":"\u0410\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u043d\u0430 SH1106 OLED 1.3″ (Arduino)"},"content":{"rendered":"

SH1106 OLED 1.3″ — OLED-\u0434\u0438\u0441\u043f\u043b\u0435\u0439 \u0441 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u043c SH1106. \u042d\u0442\u043e\u0442 \u0434\u0438\u0441\u043f\u043b\u0435\u0439 \u0438\u043c\u0435\u0435\u0442 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435 128×64 \u043f\u0438\u043a\u0441\u0435\u043b\u0435\u0439 \u0438 \u043c\u043e\u0436\u0435\u0442 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0442\u044c \u043c\u043e\u043d\u043e\u0445\u0440\u043e\u043c\u043d\u0443\u044e \u0433\u0440\u0430\u0444\u0438\u043a\u0443 \u0438 \u0442\u0435\u043a\u0441\u0442. \u041e\u043d \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u0433\u0434\u0435 \u043d\u0443\u0436\u043d\u043e \u043e\u0442\u043e\u0431\u0440\u0430\u0437\u0438\u0442\u044c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u043c \u0438 \u044d\u043d\u0435\u0440\u0433\u043e\u0441\u0431\u0435\u0440\u0435\u0433\u0430\u044e\u0449\u0438\u043c \u0441\u043f\u043e\u0441\u043e\u0431\u043e\u043c. \u0414\u0438\u0441\u043f\u043b\u0435\u0439 \u043b\u0435\u0433\u043a\u043e \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u043a \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430\u043c \u0438 \u043e\u0434\u043d\u043e\u043f\u043b\u0430\u0442\u043d\u044b\u043c \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u0430\u043c, \u0442\u0430\u043a\u0438\u043c \u043a\u0430\u043a Arduino \u0438\u043b\u0438 Raspberry Pi, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 SPI \u0438\u043b\u0438 I2C.<\/p>\n

\"\"<\/a><\/p>\n

\u041d\u0430 OLED \u0434\u0438\u0441\u043f\u043b\u0435\u0435 \u043c\u043e\u0436\u043d\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0430\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u0430\u0443\u0434\u0438\u043e \u0441\u0438\u0433\u043d\u0430\u043b\u0430.<\/p>\n

\"\"<\/a><\/p>\n

\u0410\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d \u043d\u0430 \u0431\u0430\u0437\u0435 \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430 LGT8F328P. \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043f\u043b\u0430\u0442\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430 LGT8F328P-LQFP32 MiniEVB.<\/p>\n

\u041f\u043b\u0430\u0442\u0430\u00a0LGT8F328P-LQFP32 MiniEVB\u00a0<\/strong><\/p>\n

<\/p>\n

LGT8F328P-LQFP32 MiniEVB — \u044d\u0442\u043e \u043c\u0438\u043d\u0438\u0430\u0442\u044e\u0440\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441 \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u043c LGT8F328P \u0432 \u043a\u043e\u0440\u043f\u0443\u0441\u0435 LQFP32. \u042d\u0442\u043e\u0442 \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c \u0441 ATmega328P, \u0438\u043c\u0435\u0435\u0442 \u0442\u0430\u043a\u0442\u043e\u0432\u0443\u044e \u0447\u0430\u0441\u0442\u043e\u0442\u0443 \u0434\u043e 32 \u041c\u0413\u0446 \u0438 32 \u041a\u0431 \u0444\u043b\u044d\u0448-\u043f\u0430\u043c\u044f\u0442\u0438. MiniEVB \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u0430 USB-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438 \u043e\u0442\u043b\u0430\u0436\u0438\u0432\u0430\u0442\u044c \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0435\u0433\u043e \u043a \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u0443. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u043d\u0430 \u043f\u043b\u0430\u0442\u0435 \u0435\u0441\u0442\u044c \u0440\u0430\u0437\u044a\u0435\u043c\u044b \u0434\u043b\u044f \u043f\u0438\u0442\u0430\u043d\u0438\u044f, \u043c\u043e\u043d\u0442\u0430\u0436\u0430 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0435\u0440\u0438\u0444\u0435\u0440\u0438\u0439\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0438 \u0440\u0430\u0437\u0434\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043f\u0438\u043d\u0430\u043c \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430. \u042d\u0442\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0430 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u043e\u0442 \u043f\u0440\u043e\u0441\u0442\u044b\u0445 LED-\u043c\u0438\u0433\u0430\u043b\u043e\u043a \u0434\u043e \u0441\u043b\u043e\u0436\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430.<\/p>\n

<\/div>\n

\u041a\u0430\u043a \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443\u00a0LGT8F328P (\u043f\u043b\u0430\u0442\u0430)\u00a0<\/strong>\u0432 Arduino IDE \u0438 \u043f\u0440\u043e\u0448\u0438\u0442\u044c \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0432\u00a0LGT8F328P-LQFP32 MiniEVB \u0432 Arduino IDE<\/a>.<\/p>\n\n\n\n
\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
#define<\/span> AUTO_GAIN<\/span> 1<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0430\u0432\u0442\u043e\u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u043f\u043e \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438 (\u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f)<\/span>\r\n#define<\/span> VOL_THR<\/span> 25<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043f\u043e\u0440\u043e\u0433 \u0442\u0438\u0448\u0438\u043d\u044b (\u043d\u0438\u0436\u0435 \u043d\u0435\u0433\u043e \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u043d\u0430 \u043c\u0430\u0442\u0440\u0438\u0446\u0435 \u043d\u0435 \u0431\u0443\u0434\u0435\u0442)<\/span>\r\n#define<\/span> LOW_PASS<\/span> 20<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043d\u0438\u0436\u043d\u0438\u0439 \u043f\u043e\u0440\u043e\u0433 \u0447\u0443\u0432\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0448\u0443\u043c\u043e\u0432 (\u043d\u0435\u0442 \u0441\u043a\u0430\u0447\u043a\u043e\u0432 \u043f\u0440\u0438 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0438 \u0437\u0432\u0443\u043a\u0430)<\/span>\r\n#define<\/span> DEF_GAIN<\/span> 80<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u043f\u043e\u0440\u043e\u0433 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e (\u043f\u0440\u0438 GAIN_CONTROL \u0438\u0433\u043d\u043e\u0440\u0438\u0440\u0443\u0435\u0442\u0441\u044f)<\/span>\r\n#define<\/span> FHT_N<\/span> 256<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0448\u0438\u0440\u0438\u043d\u0430 \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u04452<\/span>\r\n#define<\/span> LOG_OUT<\/span> 1<\/span>\r\n\r\n\/\/ \u0432\u0440\u0443\u0447\u043d\u0443\u044e \u0437\u0430\u0431\u0438\u0442\u044b\u0439 \u043c\u0430\u0441\u0441\u0438\u0432 \u0442\u043e\u043d\u043e\u0432, \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u043b\u0430\u0432\u043d\u043e, \u043f\u043e\u0442\u043e\u043c \u043a\u0440\u0443\u0447\u0435<\/span>\r\nbyte<\/span> posOffset<\/span>[<\/span>16<\/span>]<\/span> =<\/span> {<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>,<\/span> 6<\/span>,<\/span> 7<\/span>,<\/span> 8<\/span>,<\/span> 9<\/span>,<\/span> 10<\/span>,<\/span> 11<\/span>,<\/span> 12<\/span>,<\/span> 13<\/span>,<\/span> 14<\/span>,<\/span> 15<\/span>,<\/span> 16<\/span>}<\/span>;<\/span>\/\/1500 Hz<\/span>\r\n\/\/byte posOffset[16] = {1, 2, 3, 4, 6, 8, 10, 13, 16, 20, 25, 30, 35, 40, 45, 50};\/\/4000 Hz<\/span>\r\n\r\n#define<\/span> cbi<\/span>(<\/span>sfr<\/span>,<\/span> bit<\/span>)<\/span> (<\/span>_SFR_BYTE<\/span>(<\/span>sfr<\/span>)<\/span> &=<\/span> ~<\/span>_BV<\/span>(<\/span>bit<\/span>)<\/span>)<\/span>\r\n#define<\/span> sbi<\/span>(<\/span>sfr<\/span>,<\/span> bit<\/span>)<\/span> (<\/span>_SFR_BYTE<\/span>(<\/span>sfr<\/span>)<\/span> |=<\/span> _BV<\/span>(<\/span>bit<\/span>)<\/span>)<\/span>\r\n\r\n#include<\/span> <<\/span>Wire<\/span>.<\/span>h<\/span>><\/span>\r\n#include<\/span> <<\/span>U8glib<\/span>.<\/span>h<\/span>><\/span> \u00a0\/\/ <\/span>http:\/\/rcl-radio.ru\/wp-content\/uploads\/2023\/04\/U8glib.zip<\/span><\/u>\r\n#include<\/span> <<\/span>FHT<\/span><\/b>.<\/span>h<\/span>><\/span> \u00a0\u00a0\u00a0\u00a0\/\/ <\/span>http:\/\/forum.rcl-radio.ru\/misc.php?action=pan_download&item=297&download=1<\/span><\/u>\r\n\r\nU8GLIB_SH1106_128X64<\/span> myOLED<\/span>(<\/span>U8G_I2C_OPT_DEV_0<\/span>|<\/span>U8G_I2C_OPT_FAST<\/span>)<\/span>;<\/span> \u00a0\/\/ Dev 0, Fast I2C \/ TWI<\/span>\r\n \r\n \u00a0byte<\/span> gain<\/span> =<\/span> DEF_GAIN<\/span>;<\/span> \u00a0\u00a0\r\n \u00a0unsigned<\/span> long<\/span> gainTimer<\/span>,<\/span>times<\/span>;<\/span>\r\n \u00a0byte<\/span> maxValue<\/span>,<\/span> maxValue_f<\/span>;<\/span>\r\n \u00a0float<\/span> k<\/span> =<\/span> 0.1<\/span>;<\/span>\r\n \u00a0byte<\/span> ur<\/span>[<\/span>16<\/span>]<\/span>,<\/span>urr<\/span>[<\/span>16<\/span>]<\/span>;<\/span>\r\n \u00a0\r\nvoid<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>\r\n \u00a0delay<\/span>(<\/span>100<\/span>)<\/span>;<\/span> \r\n \u00a0sbi<\/span>(<\/span>ADCSRA<\/span>,<\/span> ADPS2<\/span>)<\/span>;<\/span>\r\n \u00a0cbi<\/span>(<\/span>ADCSRA<\/span>,<\/span> ADPS1<\/span>)<\/span>;<\/span>\r\n \u00a0sbi<\/span>(<\/span>ADCSRA<\/span>,<\/span> ADPS0<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>begin<\/span>(<\/span>9600<\/span>)<\/span>;<\/span>\r\n \u00a0Wire<\/span>.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>Wire<\/span>.<\/span>setClock<\/span>(<\/span>800000L<\/span>)<\/span>;<\/span>\r\n \u00a0myOLED<\/span>.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>\r\n \/\/ myOLED.setRot180();<\/span>\r\n \u00a0myOLED<\/span>.<\/span>setFont<\/span>(<\/span>u8g_font_profont11r<\/span>)<\/span>;<\/span>\r\n \u00a0analogReadResolution<\/span>(<\/span>10<\/span>)<\/span>;<\/span>\/\/ \u0410\u0426\u041f 10 \u0411\u0418\u0422<\/span>\r\n \u00a0analogReference<\/span>(<\/span>INTERNAL1V024<\/span>)<\/span>;<\/span>\r\n \u00a0pinMode<\/span>(<\/span>A0<\/span>,<\/span>INPUT<\/span>)<\/span>;<\/span> \/\/ INPUT AUDIO<\/span>\r\n}<\/span>\r\n \r\nvoid<\/span> loop<\/span>(<\/span>)<\/span> {<\/span>\r\n analyzeAudio<\/span>(<\/span>)<\/span>;<\/span>\r\n\/\/\/\/\/\/\/ PRINT OLED \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/<\/span>\r\n myOLED<\/span>.<\/span>firstPage<\/span>(<\/span>)<\/span>;<\/span> \u00a0\r\n \u00a0do<\/span> {<\/span>\r\n for<\/span> (<\/span>int<\/span> pos<\/span> =<\/span> 0<\/span>;<\/span> pos<\/span> <<\/span> 128<\/span>;<\/span> pos<\/span>+=<\/span>8<\/span>)<\/span> {<\/span>\r\n int<\/span> posLevel<\/span> =<\/span> map<\/span>(<\/span>fht_log_out<\/span>[<\/span>posOffset<\/span>[<\/span>pos<\/span>\/<\/span>8<\/span>]<\/span>]<\/span>,<\/span> LOW_PASS<\/span>,<\/span> gain<\/span>,<\/span> 0<\/span>,<\/span> 60<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0posLevel<\/span> =<\/span> constrain<\/span>(<\/span>posLevel<\/span>,<\/span> 0<\/span>,<\/span> 60<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0if<\/span>(<\/span>millis<\/span>(<\/span>)<\/span>-<\/span>times<\/span><<\/span>2000<\/span>)<\/span>{<\/span>posLevel<\/span>=<\/span>60<\/span>;<\/span>}<\/span> \u00a0\u00a0\u00a0\u00a0\r\n \u00a0\u00a0\u00a0\u00a0urr<\/span>[<\/span>pos<\/span>]<\/span> =<\/span> posLevel<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0if<\/span>(<\/span>urr<\/span>[<\/span>pos<\/span>]<\/span><<\/span>ur<\/span>[<\/span>pos<\/span>]<\/span>)<\/span>{<\/span>ur<\/span>[<\/span>pos<\/span>]<\/span>=<\/span>ur<\/span>[<\/span>pos<\/span>]<\/span>-<\/span>1<\/span>;<\/span>}<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0else<\/span>{<\/span>ur<\/span>[<\/span>pos<\/span>]<\/span> =<\/span> posLevel<\/span>;<\/span>}<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0delayMicroseconds<\/span>(<\/span>200<\/span>)<\/span>;<\/span> \r\n for<\/span> (<\/span>int<\/span> v_pos<\/span>=<\/span>0<\/span>;<\/span> v_pos<\/span><<\/span>ur<\/span>[<\/span>pos<\/span>]<\/span>+<\/span>4<\/span>;<\/span>v_pos<\/span>+=<\/span>4<\/span>)<\/span>{<\/span>myOLED<\/span>.<\/span>drawBox<\/span>(<\/span>pos<\/span>,<\/span> 61<\/span>-<\/span>v_pos<\/span>,<\/span> 6<\/span>,<\/span> 2<\/span>)<\/span>;<\/span>}<\/span>}<\/span>\r\n \u00a0}<\/span> while<\/span>(<\/span> myOLED<\/span>.<\/span>nextPage<\/span>(<\/span>)<\/span> )<\/span>;<\/span>\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/<\/span>\r\n if<\/span> (<\/span>AUTO_GAIN<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0maxValue_f<\/span> =<\/span> maxValue<\/span> *<\/span> k<\/span> +<\/span> maxValue_f<\/span> *<\/span> (<\/span>1<\/span> -<\/span> k<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0if<\/span> (<\/span>millis<\/span>(<\/span>)<\/span> -<\/span> gainTimer<\/span> ><\/span> 1500<\/span>)<\/span> {<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043a\u0430\u0436\u0434\u044b\u0435 1500 \u043c\u0441<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0435\u0441\u043b\u0438 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0431\u043e\u043b\u044c\u0448\u0435 \u043f\u043e\u0440\u043e\u0433\u0430, \u0432\u0437\u044f\u0442\u044c \u0435\u0433\u043e \u043a\u0430\u043a \u043c\u0430\u043a\u0441\u0438\u043c\u0443\u043c \u0434\u043b\u044f \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0if<\/span> (<\/span>maxValue_f<\/span> ><\/span> VOL_THR<\/span>)<\/span> gain<\/span> =<\/span> maxValue_f<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0435\u0441\u043b\u0438 \u043d\u0435\u0442, \u0442\u043e \u0432\u0437\u044f\u0442\u044c \u043f\u043e\u0440\u043e\u0433 \u043f\u043e\u0431\u043e\u043b\u044c\u0448\u0435, \u0447\u0442\u043e\u0431\u044b \u0448\u0443\u043c\u044b \u0432\u043e\u043e\u0431\u0449\u0435 \u043d\u0435 \u043f\u0440\u043e\u0445\u043e\u0434\u0438\u043b\u0438<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0else<\/span> gain<\/span> =<\/span> 100<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0gainTimer<\/span> =<\/span> millis<\/span>(<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0}<\/span>\r\n \u00a0}<\/span>\r\n}<\/span>\/\/ end loop<\/span>\r\n \r\nvoid<\/span> analyzeAudio<\/span>(<\/span>)<\/span> {<\/span>\r\n \u00a0for<\/span> (<\/span>int<\/span> i<\/span> =<\/span> 0<\/span> ;<\/span> i<\/span> <<\/span> FHT_N<\/span> ;<\/span> i<\/span>++<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0int<\/span> sample<\/span> =<\/span> analogRead<\/span>(<\/span>A0<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0fht_input<\/span>[<\/span>i<\/span>]<\/span> =<\/span> sample<\/span>;<\/span> \/\/ put real data into bins<\/span>\r\n \u00a0}<\/span>\r\n \u00a0fht_window<\/span>(<\/span>)<\/span>;<\/span> \u00a0\/\/ window the data for better frequency response<\/span>\r\n \u00a0fht_reorder<\/span>(<\/span>)<\/span>;<\/span> \/\/ reorder the data before doing the fht<\/span>\r\n \u00a0fht_run<\/span>(<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\/\/ process the data in the fht<\/span>\r\n \u00a0fht_mag_log<\/span>(<\/span>)<\/span>;<\/span> \/\/ take the output of the fht<\/span>\r\n}<\/span>\r\n\r\n<\/pre>\n
\n
\u0414\u043e\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0441\u043a\u0435\u0442\u0447\u0430<\/p>\n
\u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043f\u0438\u043a\u043e\u0432\u044b\u0435 \u0438\u043d\u0434\u0438\u043a\u0430\u0442\u043e\u0440\u044b<\/p>\n\n\n\n
\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
#define<\/span> AUTO_GAIN<\/span> 1<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0430\u0432\u0442\u043e\u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u043f\u043e \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438 (\u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f)<\/span>\r\n#define<\/span> VOL_THR<\/span> 25<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043f\u043e\u0440\u043e\u0433 \u0442\u0438\u0448\u0438\u043d\u044b (\u043d\u0438\u0436\u0435 \u043d\u0435\u0433\u043e \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u043d\u0430 \u043c\u0430\u0442\u0440\u0438\u0446\u0435 \u043d\u0435 \u0431\u0443\u0434\u0435\u0442)<\/span>\r\n#define<\/span> LOW_PASS<\/span> 20<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043d\u0438\u0436\u043d\u0438\u0439 \u043f\u043e\u0440\u043e\u0433 \u0447\u0443\u0432\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0448\u0443\u043c\u043e\u0432 (\u043d\u0435\u0442 \u0441\u043a\u0430\u0447\u043a\u043e\u0432 \u043f\u0440\u0438 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0438 \u0437\u0432\u0443\u043a\u0430)<\/span>\r\n#define<\/span> DEF_GAIN<\/span> 80<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u043f\u043e\u0440\u043e\u0433 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e (\u043f\u0440\u0438 GAIN_CONTROL \u0438\u0433\u043d\u043e\u0440\u0438\u0440\u0443\u0435\u0442\u0441\u044f)<\/span>\r\n#define<\/span> FHT_N<\/span> 256<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0448\u0438\u0440\u0438\u043d\u0430 \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u04452<\/span>\r\n#define<\/span> LOG_OUT<\/span> 1<\/span>\r\n#define<\/span> PIK_DELAY<\/span> 200<\/span> \u00a0\u00a0\u00a0\/\/ \u0432\u0440\u0435\u043c\u044f \u0437\u0430\u0432\u0438\u0441\u0430\u043d\u0438\u044f \u043f\u0438\u043a\u0430<\/span>\r\n\r\n\/\/ \u0432\u0440\u0443\u0447\u043d\u0443\u044e \u0437\u0430\u0431\u0438\u0442\u044b\u0439 \u043c\u0430\u0441\u0441\u0438\u0432 \u0442\u043e\u043d\u043e\u0432, \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u043b\u0430\u0432\u043d\u043e, \u043f\u043e\u0442\u043e\u043c \u043a\u0440\u0443\u0447\u0435<\/span>\r\nbyte<\/span> posOffset<\/span>[<\/span>16<\/span>]<\/span> =<\/span> {<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>,<\/span> 6<\/span>,<\/span> 7<\/span>,<\/span> 8<\/span>,<\/span> 9<\/span>,<\/span> 10<\/span>,<\/span> 11<\/span>,<\/span> 12<\/span>,<\/span> 13<\/span>,<\/span> 14<\/span>,<\/span> 15<\/span>,<\/span> 16<\/span>}<\/span>;<\/span>\/\/1500 Hz<\/span>\r\n\/\/byte posOffset[16] = {1, 2, 3, 4, 6, 8, 10, 13, 16, 20, 25, 30, 35, 40, 45, 50};\/\/4000 Hz<\/span>\r\n\r\n#define<\/span> cbi<\/span>(<\/span>sfr<\/span>,<\/span> bit<\/span>)<\/span> (<\/span>_SFR_BYTE<\/span>(<\/span>sfr<\/span>)<\/span> &=<\/span> ~<\/span>_BV<\/span>(<\/span>bit<\/span>)<\/span>)<\/span>\r\n#define<\/span> sbi<\/span>(<\/span>sfr<\/span>,<\/span> bit<\/span>)<\/span> (<\/span>_SFR_BYTE<\/span>(<\/span>sfr<\/span>)<\/span> |=<\/span> _BV<\/span>(<\/span>bit<\/span>)<\/span>)<\/span>\r\n\r\n#include<\/span> <<\/span>Wire<\/span><\/b>.<\/span>h<\/span>><\/span>\r\n#include<\/span> <<\/span>U8glib<\/span>.<\/span>h<\/span>><\/span> \u00a0\/\/ <\/span>http:\/\/rcl-radio.ru\/wp-content\/uploads\/2023\/04\/U8glib.zip<\/span><\/u>\r\n#include<\/span> <<\/span>FHT<\/span><\/b>.<\/span>h<\/span>><\/span> \u00a0\u00a0\u00a0\u00a0\/\/ <\/span>http:\/\/forum.rcl-radio.ru\/misc.php?action=pan_download&item=297&download=1<\/span><\/u>\r\n\r\nU8GLIB_SH1106_128X64<\/span> myOLED<\/span>(<\/span>U8G_I2C_OPT_DEV_0<\/span>|<\/span>U8G_I2C_OPT_FAST<\/span>)<\/span>;<\/span> \u00a0\/\/ Dev 0, Fast I2C \/ TWI<\/span>\r\n \r\n \u00a0byte<\/span> gain<\/span> =<\/span> DEF_GAIN<\/span>;<\/span> \u00a0\u00a0\r\n \u00a0unsigned<\/span> long<\/span> gainTimer<\/span>,<\/span>times<\/span>,<\/span> times0<\/span>;<\/span>\r\n \u00a0byte<\/span> maxValue<\/span>,<\/span> maxValue_f<\/span>;<\/span>\r\n \u00a0float<\/span> k<\/span> =<\/span> 0.1<\/span>;<\/span>\r\n \u00a0byte<\/span> ur<\/span>[<\/span>16<\/span>]<\/span>,<\/span>urr<\/span>[<\/span>16<\/span>]<\/span>;<\/span>\r\n \u00a0unsigned<\/span> long<\/span> peakTimings<\/span>[<\/span>16<\/span>]<\/span>;<\/span> \r\n\r\n\r\n \u00a0\r\nvoid<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>\r\n \u00a0delay<\/span>(<\/span>100<\/span>)<\/span>;<\/span> \r\n \u00a0sbi<\/span>(<\/span>ADCSRA<\/span>,<\/span> ADPS2<\/span>)<\/span>;<\/span>\r\n \u00a0cbi<\/span>(<\/span>ADCSRA<\/span>,<\/span> ADPS1<\/span>)<\/span>;<\/span>\r\n \u00a0sbi<\/span>(<\/span>ADCSRA<\/span>,<\/span> ADPS0<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>begin<\/span>(<\/span>9600<\/span>)<\/span>;<\/span>\r\n \u00a0Wire<\/span><\/b>.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>Wire<\/span><\/b>.<\/span>setClock<\/span>(<\/span>800000L<\/span>)<\/span>;<\/span>\r\n \u00a0myOLED<\/span>.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>\r\n \/\/ myOLED.setRot180();<\/span>\r\n \u00a0myOLED<\/span>.<\/span>setFont<\/span>(<\/span>u8g_font_profont11r<\/span>)<\/span>;<\/span>\r\n \u00a0analogReadResolution<\/span>(<\/span>10<\/span>)<\/span>;<\/span>\/\/ \u0410\u0426\u041f 10 \u0411\u0418\u0422 \u00a0<\/span>\r\n \u00a0analogReference<\/span>(<\/span>INTERNAL1V024<\/span>)<\/span>;<\/span>\r\n \u00a0pinMode<\/span>(<\/span>A0<\/span>,<\/span>INPUT<\/span>)<\/span>;<\/span> \/\/ INPUT AUDIO<\/span>\r\n}<\/span>\r\n \r\n\r\nvoid<\/span> loop<\/span>(<\/span>)<\/span> {<\/span>\r\n \u00a0analyzeAudio<\/span>(<\/span>)<\/span>;<\/span> \r\n\r\n \u00a0myOLED<\/span>.<\/span>firstPage<\/span>(<\/span>)<\/span>;<\/span> \u00a0\r\n \u00a0do<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0for<\/span> (<\/span>int<\/span> pos<\/span> =<\/span> 0<\/span>;<\/span> pos<\/span> <<\/span> 128<\/span>;<\/span> pos<\/span> +=<\/span> 8<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u043c \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u043d\u0430 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0439 \u0447\u0430\u0441\u0442\u043e\u0442\u0435<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0int<\/span> posLevel<\/span> =<\/span> map<\/span>(<\/span>fht_log_out<\/span>[<\/span>posOffset<\/span>[<\/span>pos<\/span> \/<\/span> 8<\/span>]<\/span>]<\/span>,<\/span> LOW_PASS<\/span>,<\/span> gain<\/span>,<\/span> 0<\/span>,<\/span> 60<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0posLevel<\/span> =<\/span> constrain<\/span>(<\/span>posLevel<\/span>,<\/span> 0<\/span>,<\/span> 60<\/span>)<\/span>;<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u041e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u043c \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0urr<\/span>[<\/span>pos<\/span>]<\/span> =<\/span> posLevel<\/span>;<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0418\u043d\u0434\u0435\u043a\u0441 \u0442\u0435\u043a\u0443\u0449\u0435\u0439 \u043f\u043e\u043b\u043e\u0441\u044b (\u0434\u043b\u044f \u043c\u0430\u0441\u0441\u0438\u0432\u0430 \u043f\u0438\u043a\u043e\u0432)<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0int<\/span> index<\/span> =<\/span> pos<\/span> \/<\/span> 8<\/span>;<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u041e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u043c \u043f\u0438\u043a\u0438<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0if<\/span> (<\/span>urr<\/span>[<\/span>pos<\/span>]<\/span> <<\/span> ur<\/span>[<\/span>index<\/span>]<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0415\u0441\u043b\u0438 \u043f\u0438\u043a \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d \u0434\u0430\u0432\u043d\u043e, \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u0435\u0433\u043e \u043f\u043b\u0430\u0432\u043d\u043e\u0435 \u0443\u043c\u0435\u043d\u044c\u0448\u0435\u043d\u0438\u0435<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if<\/span> (<\/span>millis<\/span>(<\/span>)<\/span> -<\/span> peakTimings<\/span>[<\/span>index<\/span>]<\/span> ><\/span> PIK_DELAY<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ur<\/span>[<\/span>index<\/span>]<\/span> -=<\/span> 1<\/span>;<\/span> \/\/ \u041f\u043b\u0430\u0432\u043d\u043e\u0435 \u0443\u043c\u0435\u043d\u044c\u0448\u0435\u043d\u0438\u0435 \u043f\u0438\u043a\u043e\u0432<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span> else<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0423\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u0438\u043a\u043e\u0432\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0438 \u0444\u0438\u043a\u0441\u0430\u0446\u0438\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ur<\/span>[<\/span>index<\/span>]<\/span> =<\/span> posLevel<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0peakTimings<\/span>[<\/span>index<\/span>]<\/span> =<\/span> millis<\/span>(<\/span>)<\/span>;<\/span> \/\/ \u0417\u0430\u043f\u043e\u043c\u043d\u0438\u043c \u0432\u0440\u0435\u043c\u044f \u0444\u0438\u043a\u0441\u0430\u0446\u0438\u0438 \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u043f\u0438\u043a\u0430<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0416\u0434\u0435\u043c \u0434\u043b\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u0438<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0delayMicroseconds<\/span>(<\/span>200<\/span>)<\/span>;<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0420\u0438\u0441\u0443\u0435\u043c \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0for<\/span> (<\/span>int<\/span> v_pos<\/span> =<\/span> 0<\/span>;<\/span> v_pos<\/span> <<\/span> urr<\/span>[<\/span>pos<\/span>]<\/span> +<\/span> 4<\/span>;<\/span> v_pos<\/span> +=<\/span> 4<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0myOLED<\/span>.<\/span>drawBox<\/span>(<\/span>pos<\/span>,<\/span> 61<\/span> -<\/span> v_pos<\/span>,<\/span> 6<\/span>,<\/span> 2<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0415\u0441\u043b\u0438 \u043f\u0438\u043a \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043b \u0440\u0430\u043d\u044c\u0448\u0435, \u0440\u0438\u0441\u0443\u0435\u043c \u043f\u0438\u043a\u043e\u0432\u044b\u0439 \u0438\u043d\u0434\u0438\u043a\u0430\u0442\u043e\u0440<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0if<\/span> (<\/span>ur<\/span>[<\/span>index<\/span>]<\/span> ><\/span> urr<\/span>[<\/span>pos<\/span>]<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0myOLED<\/span>.<\/span>drawBox<\/span>(<\/span>pos<\/span>,<\/span> 61<\/span> -<\/span> ur<\/span>[<\/span>index<\/span>]<\/span>,<\/span> 6<\/span>,<\/span> 2<\/span>)<\/span>;<\/span> \/\/ \u041f\u0438\u043a\u043e\u0432\u044b\u0439 \u0438\u043d\u0434\u0438\u043a\u0430\u0442\u043e\u0440<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span>\r\n \u00a0\u00a0\u00a0}<\/span>\r\n \u00a0}<\/span> while<\/span>(<\/span>myOLED<\/span>.<\/span>nextPage<\/span>(<\/span>)<\/span>)<\/span>;<\/span>\r\n\r\n \u00a0\/\/ \u0410\u0432\u0442\u043e\u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u0443\u0441\u0438\u043b\u0435\u043d\u0438\u044f<\/span>\r\n \u00a0if<\/span> (<\/span>AUTO_GAIN<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0maxValue_f<\/span> =<\/span> maxValue<\/span> *<\/span> k<\/span> +<\/span> maxValue_f<\/span> *<\/span> (<\/span>1<\/span> -<\/span> k<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0if<\/span> (<\/span>millis<\/span>(<\/span>)<\/span> -<\/span> gainTimer<\/span> ><\/span> 1500<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0if<\/span> (<\/span>maxValue_f<\/span> ><\/span> VOL_THR<\/span>)<\/span> gain<\/span> =<\/span> maxValue_f<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0else<\/span> gain<\/span> =<\/span> 100<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0gainTimer<\/span> =<\/span> millis<\/span>(<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0}<\/span>\r\n \u00a0}<\/span>\r\n}<\/span>\r\n \r\nvoid<\/span> analyzeAudio<\/span>(<\/span>)<\/span> {<\/span>\r\n \u00a0for<\/span> (<\/span>int<\/span> i<\/span> =<\/span> 0<\/span> ;<\/span> i<\/span> <<\/span> FHT_N<\/span> ;<\/span> i<\/span>++<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0int<\/span> sample<\/span> =<\/span> analogRead<\/span>(<\/span>A0<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0fht_input<\/span>[<\/span>i<\/span>]<\/span> =<\/span> sample<\/span>;<\/span> \/\/ put real data into bins<\/span>\r\n \u00a0}<\/span>\r\n \u00a0fht_window<\/span>(<\/span>)<\/span>;<\/span> \u00a0\/\/ window the data for better frequency response<\/span>\r\n \u00a0fht_reorder<\/span>(<\/span>)<\/span>;<\/span> \/\/ reorder the data before doing the fht<\/span>\r\n \u00a0fht_run<\/span>(<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\/\/ process the data in the fht<\/span>\r\n \u00a0fht_mag_log<\/span>(<\/span>)<\/span>;<\/span> \/\/ take the output of the fht<\/span>\r\n}<\/span>\r\n\r\n<\/pre>\n
#define<\/span> PIK_DELAY<\/span> 200<\/span> \u00a0\u00a0\u00a0\/\/ \u0432\u0440\u0435\u043c\u044f \u0437\u0430\u0432\u0438\u0441\u0430\u043d\u0438\u044f \u043f\u0438\u043a\u0430<\/span><\/p>\n
\u0423\u043a\u0430\u0436\u0438\u0442\u0435 \u0441\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0432\u0440\u0435\u043c\u044f \u043f\u043b\u0430\u0432\u043d\u043e\u0441\u0442\u0438 \u043f\u0438\u043a\u043e\u0432\u044b\u0445 \u0438\u043d\u0434\u0438\u043a\u0430\u0442\u043e\u0440\u043e\u0432.<\/p>\n
\u0414\u043b\u044f Arduino Nano<\/p>\n
#define<\/span> AUTO_GAIN<\/span> 1<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0430\u0432\u0442\u043e\u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u043f\u043e \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438 (\u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f)<\/span>\r\n#define<\/span> VOL_THR<\/span> 25<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043f\u043e\u0440\u043e\u0433 \u0442\u0438\u0448\u0438\u043d\u044b (\u043d\u0438\u0436\u0435 \u043d\u0435\u0433\u043e \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u043d\u0430 \u043c\u0430\u0442\u0440\u0438\u0446\u0435 \u043d\u0435 \u0431\u0443\u0434\u0435\u0442)<\/span>\r\n#define<\/span> LOW_PASS<\/span> 20<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043d\u0438\u0436\u043d\u0438\u0439 \u043f\u043e\u0440\u043e\u0433 \u0447\u0443\u0432\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0448\u0443\u043c\u043e\u0432 (\u043d\u0435\u0442 \u0441\u043a\u0430\u0447\u043a\u043e\u0432 \u043f\u0440\u0438 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0438 \u0437\u0432\u0443\u043a\u0430)<\/span>\r\n#define<\/span> DEF_GAIN<\/span> 80<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u043f\u043e\u0440\u043e\u0433 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e (\u043f\u0440\u0438 GAIN_CONTROL \u0438\u0433\u043d\u043e\u0440\u0438\u0440\u0443\u0435\u0442\u0441\u044f)<\/span>\r\n#define<\/span> FHT_N<\/span> 256<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0448\u0438\u0440\u0438\u043d\u0430 \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u04452<\/span>\r\n#define<\/span> LOG_OUT<\/span> 1<\/span>\r\n#define<\/span> PIK_DELAY<\/span> 400<\/span> \u00a0\u00a0\u00a0\/\/ \u0432\u0440\u0435\u043c\u044f \u0437\u0430\u0432\u0438\u0441\u0430\u043d\u0438\u044f \u043f\u0438\u043a\u0430<\/span>\r\n\r\n\/\/ \u0432\u0440\u0443\u0447\u043d\u0443\u044e \u0437\u0430\u0431\u0438\u0442\u044b\u0439 \u043c\u0430\u0441\u0441\u0438\u0432 \u0442\u043e\u043d\u043e\u0432, \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u043b\u0430\u0432\u043d\u043e, \u043f\u043e\u0442\u043e\u043c \u043a\u0440\u0443\u0447\u0435<\/span>\r\nbyte<\/span> posOffset<\/span>[<\/span>16<\/span>]<\/span> =<\/span> {<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>,<\/span> 6<\/span>,<\/span> 7<\/span>,<\/span> 8<\/span>,<\/span> 9<\/span>,<\/span> 10<\/span>,<\/span> 11<\/span>,<\/span> 12<\/span>,<\/span> 13<\/span>,<\/span> 14<\/span>,<\/span> 15<\/span>,<\/span> 16<\/span>}<\/span>;<\/span>\/\/1500 Hz<\/span>\r\n\/\/byte posOffset[16] = {1, 2, 3, 4, 6, 8, 10, 13, 16, 20, 25, 30, 35, 40, 45, 50};\/\/4000 Hz<\/span>\r\n\r\n#define<\/span> cbi<\/span>(<\/span>sfr<\/span>,<\/span> bit<\/span>)<\/span> (<\/span>_SFR_BYTE<\/span>(<\/span>sfr<\/span>)<\/span> &=<\/span> ~<\/span>_BV<\/span>(<\/span>bit<\/span>)<\/span>)<\/span>\r\n#define<\/span> sbi<\/span>(<\/span>sfr<\/span>,<\/span> bit<\/span>)<\/span> (<\/span>_SFR_BYTE<\/span>(<\/span>sfr<\/span>)<\/span> |=<\/span> _BV<\/span>(<\/span>bit<\/span>)<\/span>)<\/span>\r\n\r\n#include<\/span> <<\/span>Wire<\/span><\/b>.<\/span>h<\/span>><\/span>\r\n#include<\/span> <<\/span>U8glib<\/span>.<\/span>h<\/span>><\/span> \u00a0\/\/ <\/span>http:\/\/rcl-radio.ru\/wp-content\/uploads\/2023\/04\/U8glib.zip<\/span><\/u>\r\n#include<\/span> <<\/span>FHT<\/span><\/b>.<\/span>h<\/span>><\/span> \u00a0\u00a0\u00a0\u00a0\/\/ <\/span>http:\/\/forum.rcl-radio.ru\/misc.php?action=pan_download&item=297&download=1<\/span><\/u>\r\n\r\nU8GLIB_SH1106_128X64<\/span> myOLED<\/span>(<\/span>U8G_I2C_OPT_DEV_0<\/span>|<\/span>U8G_I2C_OPT_FAST<\/span>)<\/span>;<\/span> \u00a0\/\/ Dev 0, Fast I2C \/ TWI<\/span>\r\n \r\n \u00a0byte<\/span> gain<\/span> =<\/span> DEF_GAIN<\/span>;<\/span> \u00a0\u00a0\r\n \u00a0unsigned<\/span> long<\/span> gainTimer<\/span>,<\/span>times<\/span>,<\/span> times0<\/span>;<\/span>\r\n \u00a0byte<\/span> maxValue<\/span>,<\/span> maxValue_f<\/span>;<\/span>\r\n \u00a0float<\/span> k<\/span> =<\/span> 0.1<\/span>;<\/span>\r\n \u00a0byte<\/span> ur<\/span>[<\/span>16<\/span>]<\/span>,<\/span>urr<\/span>[<\/span>16<\/span>]<\/span>;<\/span>\r\n \u00a0unsigned<\/span> long<\/span> peakTimings<\/span>[<\/span>16<\/span>]<\/span>;<\/span> \r\n\r\n\r\n \u00a0\r\nvoid<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>\r\n \u00a0delay<\/span>(<\/span>100<\/span>)<\/span>;<\/span> \r\n \u00a0sbi<\/span>(<\/span>ADCSRA<\/span>,<\/span> ADPS2<\/span>)<\/span>;<\/span>\r\n \u00a0cbi<\/span>(<\/span>ADCSRA<\/span>,<\/span> ADPS1<\/span>)<\/span>;<\/span>\r\n \u00a0sbi<\/span>(<\/span>ADCSRA<\/span>,<\/span> ADPS0<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>begin<\/span>(<\/span>9600<\/span>)<\/span>;<\/span>\r\n \u00a0Wire<\/span><\/b>.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>Wire<\/span><\/b>.<\/span>setClock<\/span>(<\/span>800000L<\/span>)<\/span>;<\/span>\r\n \u00a0myOLED<\/span>.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>\r\n \/\/ myOLED.setRot180();<\/span>\r\n \u00a0myOLED<\/span>.<\/span>setFont<\/span>(<\/span>u8g_font_profont11r<\/span>)<\/span>;<\/span>\r\n \u00a0analogReference<\/span>(<\/span>INTERNAL<\/span>)<\/span>;<\/span> \/\/ \u0423\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0435 \u043e\u043f\u043e\u0440\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 1.1 \u0412<\/span>\r\n \u00a0pinMode<\/span>(<\/span>A0<\/span>,<\/span>INPUT<\/span>)<\/span>;<\/span> \/\/ INPUT AUDIO<\/span>\r\n}<\/span>\r\n \r\n\r\nvoid<\/span> loop<\/span>(<\/span>)<\/span> {<\/span>\r\n \u00a0analyzeAudio<\/span>(<\/span>)<\/span>;<\/span> \r\n\r\n \u00a0myOLED<\/span>.<\/span>firstPage<\/span>(<\/span>)<\/span>;<\/span> \u00a0\r\n \u00a0do<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0for<\/span> (<\/span>int<\/span> pos<\/span> =<\/span> 0<\/span>;<\/span> pos<\/span> <<\/span> 128<\/span>;<\/span> pos<\/span> +=<\/span> 8<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u043c \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u043d\u0430 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0439 \u0447\u0430\u0441\u0442\u043e\u0442\u0435<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0int<\/span> posLevel<\/span> =<\/span> map<\/span>(<\/span>fht_log_out<\/span>[<\/span>posOffset<\/span>[<\/span>pos<\/span> \/<\/span> 8<\/span>]<\/span>]<\/span>,<\/span> LOW_PASS<\/span>,<\/span> gain<\/span>,<\/span> 0<\/span>,<\/span> 60<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0posLevel<\/span> =<\/span> constrain<\/span>(<\/span>posLevel<\/span>,<\/span> 0<\/span>,<\/span> 60<\/span>)<\/span>;<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u041e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u043c \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0urr<\/span>[<\/span>pos<\/span>]<\/span> =<\/span> posLevel<\/span>;<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0418\u043d\u0434\u0435\u043a\u0441 \u0442\u0435\u043a\u0443\u0449\u0435\u0439 \u043f\u043e\u043b\u043e\u0441\u044b (\u0434\u043b\u044f \u043c\u0430\u0441\u0441\u0438\u0432\u0430 \u043f\u0438\u043a\u043e\u0432)<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0int<\/span> index<\/span> =<\/span> pos<\/span> \/<\/span> 8<\/span>;<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u041e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u043c \u043f\u0438\u043a\u0438<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0if<\/span> (<\/span>urr<\/span>[<\/span>pos<\/span>]<\/span> <<\/span> ur<\/span>[<\/span>index<\/span>]<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0415\u0441\u043b\u0438 \u043f\u0438\u043a \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d \u0434\u0430\u0432\u043d\u043e, \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u0435\u0433\u043e \u043f\u043b\u0430\u0432\u043d\u043e\u0435 \u0443\u043c\u0435\u043d\u044c\u0448\u0435\u043d\u0438\u0435<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if<\/span> (<\/span>millis<\/span>(<\/span>)<\/span> -<\/span> peakTimings<\/span>[<\/span>index<\/span>]<\/span> ><\/span> PIK_DELAY<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ur<\/span>[<\/span>index<\/span>]<\/span> -=<\/span> 1<\/span>;<\/span> \/\/ \u041f\u043b\u0430\u0432\u043d\u043e\u0435 \u0443\u043c\u0435\u043d\u044c\u0448\u0435\u043d\u0438\u0435 \u043f\u0438\u043a\u043e\u0432<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span> else<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0423\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u0438\u043a\u043e\u0432\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0438 \u0444\u0438\u043a\u0441\u0430\u0446\u0438\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ur<\/span>[<\/span>index<\/span>]<\/span> =<\/span> posLevel<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0peakTimings<\/span>[<\/span>index<\/span>]<\/span> =<\/span> millis<\/span>(<\/span>)<\/span>;<\/span> \/\/ \u0417\u0430\u043f\u043e\u043c\u043d\u0438\u043c \u0432\u0440\u0435\u043c\u044f \u0444\u0438\u043a\u0441\u0430\u0446\u0438\u0438 \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u043f\u0438\u043a\u0430<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0416\u0434\u0435\u043c \u0434\u043b\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u0438<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0delayMicroseconds<\/span>(<\/span>200<\/span>)<\/span>;<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0420\u0438\u0441\u0443\u0435\u043c \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0for<\/span> (<\/span>int<\/span> v_pos<\/span> =<\/span> 0<\/span>;<\/span> v_pos<\/span> <<\/span> urr<\/span>[<\/span>pos<\/span>]<\/span> +<\/span> 4<\/span>;<\/span> v_pos<\/span> +=<\/span> 4<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0myOLED<\/span>.<\/span>drawBox<\/span>(<\/span>pos<\/span>,<\/span> 61<\/span> -<\/span> v_pos<\/span>,<\/span> 6<\/span>,<\/span> 2<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span>\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0415\u0441\u043b\u0438 \u043f\u0438\u043a \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043b \u0440\u0430\u043d\u044c\u0448\u0435, \u0440\u0438\u0441\u0443\u0435\u043c \u043f\u0438\u043a\u043e\u0432\u044b\u0439 \u0438\u043d\u0434\u0438\u043a\u0430\u0442\u043e\u0440<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0if<\/span> (<\/span>ur<\/span>[<\/span>index<\/span>]<\/span> ><\/span> urr<\/span>[<\/span>pos<\/span>]<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0myOLED<\/span>.<\/span>drawBox<\/span>(<\/span>pos<\/span>,<\/span> 61<\/span> -<\/span> ur<\/span>[<\/span>index<\/span>]<\/span>,<\/span> 6<\/span>,<\/span> 2<\/span>)<\/span>;<\/span> \/\/ \u041f\u0438\u043a\u043e\u0432\u044b\u0439 \u0438\u043d\u0434\u0438\u043a\u0430\u0442\u043e\u0440<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span>\r\n \u00a0\u00a0\u00a0}<\/span>\r\n \u00a0}<\/span> while<\/span>(<\/span>myOLED<\/span>.<\/span>nextPage<\/span>(<\/span>)<\/span>)<\/span>;<\/span>\r\n\r\n \u00a0\/\/ \u0410\u0432\u0442\u043e\u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u0443\u0441\u0438\u043b\u0435\u043d\u0438\u044f<\/span>\r\n \u00a0if<\/span> (<\/span>AUTO_GAIN<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0maxValue_f<\/span> =<\/span> maxValue<\/span> *<\/span> k<\/span> +<\/span> maxValue_f<\/span> *<\/span> (<\/span>1<\/span> -<\/span> k<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0if<\/span> (<\/span>millis<\/span>(<\/span>)<\/span> -<\/span> gainTimer<\/span> ><\/span> 1500<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0if<\/span> (<\/span>maxValue_f<\/span> ><\/span> VOL_THR<\/span>)<\/span> gain<\/span> =<\/span> maxValue_f<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0else<\/span> gain<\/span> =<\/span> 100<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0gainTimer<\/span> =<\/span> millis<\/span>(<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0}<\/span>\r\n \u00a0}<\/span>\r\n}<\/span>\r\n \r\nvoid<\/span> analyzeAudio<\/span>(<\/span>)<\/span> {<\/span>\r\n \u00a0for<\/span> (<\/span>int<\/span> i<\/span> =<\/span> 0<\/span> ;<\/span> i<\/span> <<\/span> FHT_N<\/span> ;<\/span> i<\/span>++<\/span>)<\/span> {<\/span>\r\n \u00a0\u00a0\u00a0int<\/span> sample<\/span> =<\/span> analogRead<\/span>(<\/span>A0<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0fht_input<\/span>[<\/span>i<\/span>]<\/span> =<\/span> sample<\/span>;<\/span> \/\/ put real data into bins<\/span>\r\n \u00a0}<\/span>\r\n \u00a0fht_window<\/span>(<\/span>)<\/span>;<\/span> \u00a0\/\/ window the data for better frequency response<\/span>\r\n \u00a0fht_reorder<\/span>(<\/span>)<\/span>;<\/span> \/\/ reorder the data before doing the fht<\/span>\r\n \u00a0fht_run<\/span>(<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\/\/ process the data in the fht<\/span>\r\n \u00a0fht_mag_log<\/span>(<\/span>)<\/span>;<\/span> \/\/ take the output of the fht<\/span>\r\n}<\/span>\r\n\r\n<\/pre>\n
SH1106 OLED 1.3″ — OLED-\u0434\u0438\u0441\u043f\u043b\u0435\u0439 \u0441 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u043c SH1106. \u042d\u0442\u043e\u0442 \u0434\u0438\u0441\u043f\u043b\u0435\u0439 \u0438\u043c\u0435\u0435\u0442 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435 128×64 \u043f\u0438\u043a\u0441\u0435\u043b\u0435\u0439 \u0438 \u043c\u043e\u0436\u0435\u0442 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0442\u044c \u043c\u043e\u043d\u043e\u0445\u0440\u043e\u043c\u043d\u0443\u044e \u0433\u0440\u0430\u0444\u0438\u043a\u0443 \u0438 \u0442\u0435\u043a\u0441\u0442. \u041e\u043d \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u0433\u0434\u0435 \u043d\u0443\u0436\u043d\u043e \u043e\u0442\u043e\u0431\u0440\u0430\u0437\u0438\u0442\u044c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u043c \u0438 \u044d\u043d\u0435\u0440\u0433\u043e\u0441\u0431\u0435\u0440\u0435\u0433\u0430\u044e\u0449\u0438\u043c \u0441\u043f\u043e\u0441\u043e\u0431\u043e\u043c. \u0414\u0438\u0441\u043f\u043b\u0435\u0439 \u043b\u0435\u0433\u043a\u043e \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u043a \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430\u043c \u0438 \u043e\u0434\u043d\u043e\u043f\u043b\u0430\u0442\u043d\u044b\u043c \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u0430\u043c, \u0442\u0430\u043a\u0438\u043c \u043a\u0430\u043a Arduino \u0438\u043b\u0438 Raspberry Pi, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 SPI \u0438\u043b\u0438 I2C. \u041d\u0430 […]<\/p>\n","protected":false},"author":1,"featured_media":130530,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[239,5],"tags":[],"class_list":["post-130528","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arduino","category-5"],"views":6441,"_links":{"self":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/130528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=130528"}],"version-history":[{"count":7,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/130528\/revisions"}],"predecessor-version":[{"id":134483,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/130528\/revisions\/134483"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/media\/130530"}],"wp:attachment":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=130528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=130528"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=130528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u0424\u043e\u0440\u0443\u043c — http:\/\/forum.rcl-radio.ru\/viewtopic.php?pid=12128#p12128<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"