{"id":76772,"date":"2020-03-20T20:44:19","date_gmt":"2020-03-20T14:44:19","guid":{"rendered":"http:\/\/rcl-radio.ru\/?p=76772"},"modified":"2022-01-08T20:39:11","modified_gmt":"2022-01-08T14:39:11","slug":"%d1%87%d0%b0%d1%81%d1%82%d0%be%d1%82%d0%be%d0%bc%d0%b5%d1%80-stm32-%d0%b8%d0%bd%d0%b4%d0%b8%d0%ba%d0%b0%d1%82%d0%be%d1%80-%d0%bd%d0%b0-max7219-arduino","status":"publish","type":"post","link":"http:\/\/rcl-radio.ru\/?p=76772","title":{"rendered":"\u0427\u0430\u0441\u0442\u043e\u0442\u043e\u043c\u0435\u0440 STM32 + \u0438\u043d\u0434\u0438\u043a\u0430\u0442\u043e\u0440 \u043d\u0430 MAX7219 (Arduino)"},"content":{"rendered":"

\u041d\u0430 \u0431\u0430\u0437\u0435 \u043e\u0442\u043b\u0430\u0434\u043e\u0447\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u044b STM32 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c 8-\u0438 \u0440\u0430\u0437\u0440\u044f\u0434\u043d\u043e\u0433\u043e \u0441\u0435\u043c\u0438\u0441\u0435\u0433\u043c\u0435\u043d\u0442\u043d\u043e\u0433\u043e \u0438\u043d\u0434\u0438\u043a\u0430\u0442\u043e\u0440\u0430 \u043d\u0430 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u0435 MAX7219 \u043c\u043e\u0436\u043d\u043e \u0441\u043e\u0431\u0440\u0430\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0447\u0430\u0441\u0442\u043e\u0442\u043e\u043c\u0435\u0440. \u0422\u0430\u043a \u0436\u0435 \u0447\u0430\u0441\u0442\u043e\u0442\u043e\u043c\u0435\u0440 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0443\u0441\u0438\u043b\u0438\u0442\u0435\u043b\u044c — \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043e\u0441\u0442\u043e\u0438\u0442 \u0438\u0437 \u043e\u0434\u043d\u043e\u0433\u043e \u0442\u0440\u0430\u043d\u0437\u0438\u0441\u0442\u043e\u0440\u0430 \u041a\u04223102 \u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u043f\u0430\u0441\u0441\u0438\u0432\u043d\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432.<\/p>\n

\u041d\u0430 \u0432\u0445\u043e\u0434 \u0447\u0430\u0441\u0442\u043e\u0442\u043e\u043c\u0435\u0440\u0430 \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0434\u0430\u0432\u0430\u0442\u044c \u0441\u0438\u043d\u0443\u0441\u043e\u0438\u0434\u0430\u043b\u044c\u043d\u044b\u0439 \u0438\u043b\u0438 \u0438\u043c\u043f\u0443\u043b\u044c\u0441\u043d\u044b\u0439 \u0441\u0438\u0433\u043d\u0430\u043b \u0430\u043c\u043f\u043b\u0438\u0442\u0443\u0434\u043e\u0439 \u043e\u0442 0,5 \u0434\u043e 10 \u0412, \u0441 \u0447\u0430\u0441\u0442\u043e\u0442\u043e\u0439 \u043e\u0442 \u0435\u0434\u0438\u043d\u0438\u0446 \u0433\u0435\u0440\u0446 \u0434\u043e 24 \u041c\u0413\u0446.<\/p>\n

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

8-\u0438 \u0440\u0430\u0437\u0440\u044f\u0434\u043d\u044b\u0439 \u0441\u0435\u043c\u0438\u0441\u0435\u0433\u043c\u0435\u043d\u0442\u043d\u044b\u0439 \u0438\u043d\u0434\u0438\u043a\u0430\u0442\u043e\u0440\u0430 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u044b MAX7219<\/strong>\"\"<\/a><\/p>\n

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

<\/div>\n
#include <LedControl.h>\/\/https:\/\/github.com\/wayoda\/LedControl\/archive\/master.zip  <\/span>\r\n     LedControl lc = LedControl(<\/span>PB1,PB10,PB11,1<\/span>)<\/span>;\/\/ DIN(PB1), CLK(PB10), CS(PB11)<\/span>\r\n\u00a0\r\n     volatile int<\/span>  mon_flag;\r\n     unsigned long freq;\r\n     byte fq[<\/span>8<\/span>]<\/span>,pd,x;\r\n\u00a0\r\nvoid<\/span> setup(<\/span>)<\/span> {<\/span>\r\n Serial.begin<\/span>(<\/span>9600<\/span>)<\/span>;\r\n      lc.shutdown<\/span>(<\/span>0<\/span>, false<\/span>)<\/span>; \r\n      lc.setIntensity<\/span>(<\/span>0<\/span>,8<\/span>)<\/span>; \/\/ \u044f\u0440\u043a\u043e\u0441\u0442\u044c 0-15<\/span>\r\n      lc.clearDisplay<\/span>(<\/span>0<\/span>)<\/span>; \r\n    pinMode(<\/span>PA15,INPUT_PULLDOWN)<\/span>; \/\/ \u0432\u0445\u043e\u0434 \u0447\u0430\u0441\u0442\u043e\u0442\u043e\u043c\u0435\u0440\u0430<\/span>\r\n\u00a0\r\n    RCC_BASE-><\/span>APB1ENR|<\/span>= (<\/span>1<\/span><<<\/span>2<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>1<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>0<\/span>)<\/span>; \/\/\u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0442\u0430\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 tim-2,3,4<\/span>\r\n    RCC_BASE-><\/span>APB2ENR|<\/span>= (<\/span>1<\/span><<<\/span>3<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>11<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>2<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>0<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>4<\/span>)<\/span>;\/\/\/\/\u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0442\u0430\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 port-a-b-c,tim1<\/span>\r\n    AFIO_BASE-><\/span>MAPR=(<\/span>1<\/span><<<\/span>8<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>6<\/span>)<\/span>; \/\/tim 1 && tim 2 Partial remap<\/span>\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> loop(<\/span>)<\/span> {<\/span>\r\n freq_meter(<\/span>)<\/span>;\r\n Serial.println<\/span>(<\/span>freq)<\/span>;\r\n  fq[<\/span>7<\/span>]<\/span>= freq\/<\/span>10000000<\/span>%<\/span>10;\r\n  fq[<\/span>6<\/span>]<\/span>= freq\/<\/span>1000000<\/span>%<\/span>10;\r\n  fq[<\/span>5<\/span>]<\/span>= freq\/<\/span>100000<\/span>%<\/span>10;\r\n  fq[<\/span>4<\/span>]<\/span>= freq\/<\/span>10000<\/span>%<\/span>10;\r\n  fq[<\/span>3<\/span>]<\/span>= freq\/<\/span>1000<\/span>%<\/span>10;\r\n  fq[<\/span>2<\/span>]<\/span>= freq\/<\/span>100<\/span>%<\/span>10;\r\n  fq[<\/span>1<\/span>]<\/span>= freq\/<\/span>10<\/span>%<\/span>10;\r\n  fq[<\/span>0<\/span>]<\/span>= freq%<\/span>10%<\/span>10;\r\n\u00a0\r\n  if<\/span>(<\/span>freq><\/span>=10000000<\/span>)<\/span>{<\/span>x=8<\/span>;}<\/span>\r\n  if<\/span>(<\/span>freq<<\/span>10000000<\/span>)<\/span>{<\/span>lc.setRow<\/span>(<\/span>0<\/span>,7<\/span>,0<\/span>)<\/span>;x=7<\/span>;}<\/span>\r\n  if<\/span>(<\/span>freq<<\/span>1000000<\/span>)<\/span>{<\/span>lc.setRow<\/span>(<\/span>0<\/span>,6<\/span>,0<\/span>)<\/span>;x=6<\/span>;}<\/span>\r\n  if<\/span>(<\/span>freq<<\/span>100000<\/span>)<\/span>{<\/span>lc.setRow<\/span>(<\/span>0<\/span>,5<\/span>,0<\/span>)<\/span>;x=5<\/span>;}<\/span>\r\n  if<\/span>(<\/span>freq<<\/span>10000<\/span>)<\/span>{<\/span>lc.setRow<\/span>(<\/span>0<\/span>,4<\/span>,0<\/span>)<\/span>;x=4<\/span>;}<\/span>\r\n  if<\/span>(<\/span>freq<<\/span>1000<\/span>)<\/span>{<\/span>lc.setRow<\/span>(<\/span>0<\/span>,3<\/span>,0<\/span>)<\/span>;x=3<\/span>;}<\/span>\r\n  if<\/span>(<\/span>freq<<\/span>100<\/span>)<\/span>{<\/span>lc.setRow<\/span>(<\/span>0<\/span>,2<\/span>,0<\/span>)<\/span>;x=2<\/span>;}<\/span>\r\n  if<\/span>(<\/span>freq<<\/span>10<\/span>)<\/span>{<\/span>lc.setRow<\/span>(<\/span>0<\/span>,1<\/span>,0<\/span>)<\/span>;x=1<\/span>;}<\/span>\r\n\u00a0\r\n  for<\/span>(<\/span>int<\/span> i = 0<\/span>;i <<\/span> x;i++)<\/span>{<\/span>\r\n  if<\/span>(<\/span>i==3<\/span>)<\/span>{<\/span>pd=true<\/span>;}<\/span>\r\n  else<\/span> if<\/span>(<\/span>i==6<\/span>)<\/span>{<\/span>pd=true<\/span>;}<\/span>\r\n  else<\/span> if<\/span>(<\/span>i==9<\/span>)<\/span>{<\/span>pd=true<\/span>;}<\/span>\r\n  else<\/span>{<\/span>pd=false<\/span>;}<\/span>\r\n  lc.setDigit<\/span>(<\/span>0<\/span>,i,fq[<\/span>i]<\/span>,pd)<\/span>;}<\/span>\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> freq_meter(<\/span>)<\/span>{<\/span>  \/\/ http:\/\/arduino.ru\/forum\/proekty\/generator-s-reguliruemoei-chastotoi-na-arduino#comment-296530<\/span>\r\n   __asm volatile(<\/span> \"cpsid i\"<\/span> )<\/span>;\r\n   \/\/\/ Timer2 \u0441\u0447\u0451\u0442 \u043c\u043b\u0430\u0434\u0448\u0438\u0445 16 \u0431\u0438\u0442<\/span>\r\n    TIMER2_BASE-><\/span>CR1=0<\/span>;\/\/\u0441\u0442\u043e\u043f \u0442\u0430\u0439\u043c\u0435\u0440<\/span>\r\n    TIMER2_BASE-><\/span>CCER=0<\/span>; TIMER2_BASE-><\/span>PSC=0<\/span>;  TIMER2_BASE-><\/span>CNT=0<\/span>; \r\n    TIMER2_BASE-><\/span>CCR1=0<\/span>; TIMER2_BASE-><\/span>CCR2=0<\/span>; TIMER2_BASE-><\/span>CCR3=0<\/span>; \r\n    TIMER2_BASE-><\/span>CCR4=0<\/span>;TIMER2_BASE-><\/span>PSC=0<\/span>;TIMER2_BASE-><\/span>SR=0<\/span>;\r\n    TIMER2_BASE-><\/span>CCMR2=0<\/span>;\r\n    TIMER2_BASE-><\/span>CR2=1<\/span><<<\/span>5<\/span>; \/\/MMS:010 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0447\u0438\u043d\u0451\u043d\u043d\u044b\u043c \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \"Update\" <\/span>\r\n    TIMER2_BASE-><\/span>SMCR= (<\/span>1<\/span><<<\/span>14<\/span>)<\/span>;\/\/ ECE & TS:000  \u0440\u0435\u0436\u0438\u043c 2 \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0442\u0430\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f & \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0440\u0430\u0431\u043e\u0442\u044b \u043e\u0442 \u0442\u0430\u0439\u043c\u0435\u0440\u04301<\/span>\r\n    TIMER2_BASE-><\/span>ARR=65535<\/span>; \/\/\u0441\u0447\u0438\u0442\u0430\u0442\u044c \u0434\u043e \u043c\u0430\u043a\u0441\u0438\u043c\u0443\u043c\u0430<\/span>\r\n    TIMER2_BASE-><\/span>EGR=1<\/span>; \/\/\u043f\u0435\u0440\u0435\u0447\u0438\u0442\u0430\u0442\u044c \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u044b.<\/span>\r\n    TIMER2_BASE-><\/span>CR1|<\/span>=(<\/span>1<\/span><<<\/span>0<\/span>)<\/span>;\/\/start timer2<\/span>\r\n   \/\/\/ Timer3 \u0441\u0447\u0451\u0442 \u0441\u0442\u0430\u0440\u0448\u0438\u0445 16 \u0431\u0438\u0442<\/span>\r\n    TIMER3_BASE-><\/span>CR1=1<\/span><<<\/span>0<\/span>;\/\/\u0441\u0442\u043e\u043f \u0442\u0430\u0439\u043c\u0435\u0440<\/span>\r\n    TIMER3_BASE-><\/span>CCER=0<\/span>; TIMER3_BASE-><\/span>PSC=0<\/span>; TIMER3_BASE-><\/span>CNT=0<\/span>; \r\n    TIMER3_BASE-><\/span>CCR1=0<\/span>; TIMER3_BASE-><\/span>CCR2=0<\/span>; TIMER3_BASE-><\/span>CCR3=0<\/span>; \r\n    TIMER3_BASE-><\/span>CCR4=0<\/span>;TIMER3_BASE-><\/span>PSC=0<\/span>;TIMER3_BASE-><\/span>SR=0<\/span>;TIMER3_BASE-><\/span>CR2=0<\/span>;  \r\n    TIMER3_BASE-><\/span>CCMR1=0<\/span>; \r\n    TIMER3_BASE-><\/span>SMCR=(<\/span>1<\/span><<<\/span>2<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>1<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>0<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>4<\/span>)<\/span>;\/\/SMS:111 && TS:001  \u0442\u0430\u043a\u0442 \u0431\u0440\u0430\u0442\u044c \u043e\u0442 2-\u0433\u043e \u0442\u0430\u0439\u043c\u0435\u0440\u0430  <\/span>\r\n    TIMER3_BASE-><\/span>ARR=65535<\/span>; \/\/\u0441\u0447\u0438\u0442\u0430\u0442\u044c \u0434\u043e <\/span>\r\n    TIMER3_BASE-><\/span>EGR=1<\/span>; \/\/\u043f\u0435\u0440\u0435\u0447\u0438\u0442\u0430\u0442\u044c \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u044b.<\/span>\r\n    TIMER3_BASE-><\/span>CR1|<\/span>=(<\/span>1<\/span><<<\/span>0<\/span>)<\/span>;\/\/start timer3<\/span>\r\n \/\/\/ \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u044f \u043d\u0430 \u0442\u0430\u0439\u043c\u0435\u0440\u04351 \u0434\u043b\u044f \u0442\u0430\u0439\u043c\u0435\u0440\u04302<\/span>\r\n    TIMER1_BASE-><\/span>CR1=(<\/span>1<\/span><<<\/span>3<\/span>)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>2<\/span>)<\/span>;\/\/\u043e\u0434\u0438\u043d \u0438\u043c\u043f\u0443\u043b\u044c\u0441, \u0431\u0435\u0437 \u043f\u0440\u0435\u0440\u044b\u0432\u0430\u043d\u0438\u0439<\/span>\r\n    TIMER1_BASE-><\/span>CNT=0<\/span>;\r\n    TIMER1_BASE-><\/span>CR2=(<\/span>1<\/span><<<\/span>4<\/span>)<\/span>;  \/\/MMS:001 \u0441\u0438\u0433\u043d\u0430\u043b \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0434\u0440\u0443\u0433\u0438\u043c \u0442\u0430\u0439\u043c\u0435\u0440\u0430\u043c<\/span>\r\n    TIMER1_BASE-><\/span>CCER=0<\/span>;\/\/ \u043e\u0442\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432\u044b\u0445\u043e\u0434\u044b \u0442\u0430\u0439\u043c\u0435\u0440\u0430 \u043d\u0430 \u0444\u0438\u0437 \u043d\u043e\u0433\u0438<\/span>\r\n    TIMER1_BASE-><\/span>PSC=F_CPU\/<\/span>36000<\/span> -1<\/span> ;\/\/ 1999; \/\/ 72000000\/2000= 36000\u043a\u0413\u0446 \u0442\u0430\u043a\u0442\u043e\u0432\u0430\u044f \u0442\u0430\u0439\u043c\u0435\u0440\u0430 <\/span>\r\n    TIMER1_BASE-><\/span>ARR=36000<\/span>;\/\/\u0441\u0447\u0438\u0442\u0430\u0442\u044c \u0434\u043e 36000 (1\u0441\u0435\u043a\u0443\u043d\u0434\u0430) <\/span>\r\n    TIMER1_BASE-><\/span>EGR=1<\/span>; \/\/\u043f\u0435\u0440\u0435\u0447\u0438\u0442\u0430\u0442\u044c \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u044b.<\/span>\r\n    TIMER1_BASE-><\/span>CR1|<\/span>=(<\/span>1<\/span><<<\/span>0<\/span>)<\/span>;\r\n    __asm volatile(<\/span> \"cpsie i\"<\/span> )<\/span>;\r\n    while<\/span> (<\/span>TIMER1_BASE-><\/span>CR1&<\/span>1<\/span>)<\/span> {<\/span>asm volatile(<\/span>\"nop\"<\/span>)<\/span>; if<\/span>(<\/span>mon_flag)<\/span> {<\/span>return<\/span>;}<\/span>  }<\/span>\r\n    freq = TIMER3_BASE-><\/span>CNT<<<\/span>16<\/span>  |<\/span> TIMER2_BASE-><\/span>CNT ; \r\n}<\/span><\/pre>\n\n\n\n\n\n\n\n\n\n
\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n
\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n
\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n
\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n
\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n
\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n
\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\"\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
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