{"id":128791,"date":"2022-07-13T20:55:48","date_gmt":"2022-07-13T14:55:48","guid":{"rendered":"http:\/\/rcl-radio.ru\/?p=128791"},"modified":"2022-08-01T20:09:05","modified_gmt":"2022-08-01T14:09:05","slug":"lcd1602_i2c-atmega8-arduino-ide","status":"publish","type":"post","link":"http:\/\/rcl-radio.ru\/?p=128791","title":{"rendered":"LCD1602_I2C Atmega8 (Arduino IDE)"},"content":{"rendered":"

\u041c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440 Atmega8, \u043c\u043e\u0436\u0435\u0442 \u0441\u0442\u0430\u0442\u044c \u043e\u0442\u043b\u0438\u0447\u043d\u043e\u0439 \u0437\u0430\u043c\u0435\u043d\u043e\u0439 \u0441\u0438\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u043e\u0440\u043e\u0436\u0430\u0432\u0448\u0438\u0445 \u043f\u043b\u0430\u0442 Arduino Nano. \u0411\u043e\u043b\u044c\u0448\u043e\u0435 \u043a\u043e\u043b-\u0432\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0445 \u043d\u0430 \u043f\u043b\u0430\u0442\u0430\u0445 Arduino Nano \u0447\u0430\u0441\u0442\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u043e\u0431\u044a\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c Arduino Nano \u0432 \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u0445 \u043d\u0435\u0446\u0435\u043b\u0435\u0441\u043e\u043e\u0431\u0440\u0430\u0437\u043d\u043e. \u0412 Atmega8 \u0438\u043c\u0435\u0435\u0442 8 \u043a\u0411 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u0443\u0435\u043c\u043e\u0439 Flash \u043f\u0430\u043c\u044f\u0442\u0438, 1\u043a\u0411 SRAM \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 512 \u0431\u0430\u0439\u0442\u0430 EEPROM.<\/p>\n

\u041c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440 Atmega8 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u0440\u0435\u0434\u043e\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Arduino IDE, \u0442\u0430\u043a \u0436\u0435 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u044b \u0441 \u044d\u0442\u0438\u043c\u0438 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430\u043c\u0438.<\/p>\n

\u041d\u0430 \u044d\u0442\u043e\u0439 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d \u043f\u0440\u0438\u043c\u0435\u0440 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0434\u0438\u0441\u043f\u043b\u0435\u0439 LCD1602 \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u043d\u044b\u043c \u043c\u043e\u0434\u0443\u043b\u0435\u043c \u043d\u0430 PCF8574, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0441\u0438\u043c\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u0434\u0438\u0441\u043f\u043b\u0435\u0439 1602 \u043a \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0443 ATmega8 \u0432\u0441\u0435\u0433\u043e \u043f\u043e \u0434\u0432\u0443\u043c \u043f\u0440\u043e\u0432\u043e\u0434\u0430\u043c SDA \u0438 SCL (I2C).<\/p>\n\n\n\n
\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Atmega8<\/strong><\/p>\n

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

<\/div>\n

\u0414\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f Atmega8 \u0432 Arduino IDE \u0412\u0430\u043c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0441\u043e\u0431\u0440\u0430\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e \u0441\u0445\u0435\u043c\u0443:<\/p>\n

<\/p>\n

\u041a\u0430\u043a \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440 Atmega8 \u0432 \u0441\u0440\u0435\u0434\u0443 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Arduino IDE \u0438 \u043f\u0440\u043e\u0448\u0438\u0432\u0430\u0442\u044c \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440 \u043c\u043e\u0436\u043d\u043e \u0443\u0437\u043d\u0430\u0442\u044c \u0438\u0437 \u0441\u0442\u0430\u0442\u044c\u0438 http:\/\/rcl-radio.ru\/?p=82486<\/a><\/p>\n

\u0417\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u0435 \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0439 \u0441\u043a\u0435\u0442\u0447:<\/p>\n

#include <avr\/io.h><\/span>\r\n#include <util\/delay.h><\/span>\r\n\u00a0\r\n#define RS           0<\/span>\r\n#define E            2<\/span>\r\n#define LED          3<\/span>\r\n#define ADDR_LED     0x27<\/span>\r\n\u00a0\r\nbyte led_b;\r\n\u00a0\r\nint<\/span> main(<\/span>)<\/span>{<\/span>\r\n  wire_set(<\/span>8000000<\/span>,100000<\/span>)<\/span>; \/\/ \u0442\u0430\u043a\u0442\u043e\u0432\u0430\u044f \u0447\u0430\u0441\u0442\u043e\u0442\u0430 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430, \u0447\u0430\u0441\u0442\u043e\u0442\u0430 \u0448\u0438\u043d\u044b I2C<\/span>\r\n  setInit(<\/span>)<\/span>;\r\n  Clear<\/span>(<\/span>)<\/span>; \/\/ \u043e\u0447\u0438\u0441\u0442\u043a\u0430 \u044d\u043a\u0440\u0430\u043d\u0430<\/span>\r\n  led(<\/span>1<\/span>)<\/span>;  \/\/ \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0438 \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0441\u0432\u0435\u0442\u043a\u0438 \u044d\u043a\u0440\u0430\u043d\u0430<\/span>\r\n\u00a0\r\n \/\/ \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u044b, 0...7  <\/span>\r\n  Write(<\/span>0<\/span>,        0b11111,\r\n                  0b00000,\r\n                  0b10001,\r\n                  0b10001,\r\n                  0b10001,\r\n                  0b10001,\r\n                  0b00000,\r\n                  0b11111)<\/span>;\r\n\u00a0\r\n  Write(<\/span>1<\/span>,        0b11111,\r\n                  0b10001,\r\n                  0b11111,\r\n                  0b10001,\r\n                  0b11111,\r\n                  0b10001,\r\n                  0b11111,\r\n                  0b00000)<\/span>;    \r\n\u00a0\r\n  Curs(<\/span>0<\/span>,0<\/span>)<\/span>;\r\n  PrintString(<\/span>\"HELLO \"<\/span>)<\/span>;\r\n  PrintFloat(<\/span>-1.2344<\/span>, 3<\/span>)<\/span>;\r\n  Curs(<\/span>1<\/span>,0<\/span>)<\/span>;\r\n  PrintInt(<\/span>-12345<\/span>)<\/span>;\r\n  PrintChar(<\/span>0<\/span>)<\/span>;             \/\/ \u0432\u044b\u0432\u043e\u0434 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0438\u043c\u0432\u043e\u043b\u0430 0<\/span>\r\n  PrintChar(<\/span>1<\/span>)<\/span>;             \/\/ \u0432\u044b\u0432\u043e\u0434 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0438\u043c\u0432\u043e\u043b\u0430 1<\/span>\r\n\u00a0\r\nwhile<\/span>(<\/span>1<\/span>)<\/span>{<\/span>\r\n\u00a0\r\n  }<\/span>  \r\n  }<\/span>\r\n\u00a0\r\n\u00a0\r\n\u00a0\r\nvoid<\/span> led(<\/span>bool led_on_off)<\/span>{<\/span>\r\n    if<\/span>(<\/span>led_on_off==1<\/span>)<\/span>{<\/span>i2c_write_1bit(<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>LED)<\/span>)<\/span>;}<\/span>\r\n    if<\/span>(<\/span>led_on_off==0<\/span>)<\/span>{<\/span>i2c_write_1bit(<\/span>led_b &<\/span>=~ (<\/span>1<\/span><<<\/span>LED)<\/span>)<\/span>;}<\/span>\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> Write(<\/span>byte addr_w, byte wr1,byte wr2,byte wr3,byte wr4,byte wr5,byte wr6,byte wr7,byte wr8)<\/span>{<\/span>\r\n     lcd(<\/span>0b01000000|<\/span>addr_w*<\/span>8<\/span>)<\/span>;PrintChar(<\/span>wr1)<\/span>;PrintChar(<\/span>wr2)<\/span>;PrintChar(<\/span>wr3)<\/span>;PrintChar(<\/span>wr4)<\/span>;PrintChar(<\/span>wr5)<\/span>;PrintChar(<\/span>wr6)<\/span>;PrintChar(<\/span>wr7)<\/span>;PrintChar(<\/span>wr8)<\/span>;}<\/span>\r\n\u00a0\r\nvoid<\/span> PrintInt(<\/span>int<\/span> data_int)<\/span>{<\/span>char str[<\/span>6<\/span>]<\/span>;PrintString(<\/span>itoa(<\/span>data_int, str, 10<\/span>)<\/span>)<\/span>;}<\/span> \r\n\u00a0\r\nvoid<\/span> PrintFloat(<\/span>float data_float, byte dp)<\/span>{<\/span>\r\n    char str[<\/span>8<\/span>]<\/span>;\r\n    if<\/span>(<\/span>data_float<<\/span>0<\/span>)<\/span>{<\/span>data_float=-data_float;PrintChar(<\/span>0b101101)<\/span>;PrintString(<\/span>itoa(<\/span>(<\/span>int<\/span>)<\/span>data_float, str, 10<\/span>)<\/span>)<\/span>;}<\/span>\r\n     else<\/span>{<\/span>PrintString(<\/span>itoa(<\/span>(<\/span>int<\/span>)<\/span>data_float, str, 10<\/span>)<\/span>)<\/span>;}<\/span>\r\n    int<\/span> float10 = round<\/span>(<\/span>(<\/span>data_float - (<\/span>int<\/span>)<\/span>data_float)<\/span>*<\/span>pow<\/span>(<\/span>10<\/span>,dp)<\/span>)<\/span>;\r\n    PrintChar(<\/span>0b101110)<\/span>;\r\n    PrintString(<\/span>itoa(<\/span>float10, str, 10<\/span>)<\/span>)<\/span>;\r\n}<\/span> \r\n\u00a0\r\nvoid<\/span> setInit(<\/span>)<\/span>{<\/span> \r\n    lcd(<\/span>0x03)<\/span>;_delay_us(<\/span>4500<\/span>)<\/span>;\r\n    lcd(<\/span>0x03)<\/span>;_delay_us(<\/span>4500<\/span>)<\/span>;\r\n    lcd(<\/span>0x03)<\/span>;_delay_us(<\/span>200<\/span>)<\/span>;\r\n    lcd(<\/span>0b00000010)<\/span>;_delay_ms(<\/span>5<\/span>)<\/span>;\r\n    lcd(<\/span>0b00001100)<\/span>;_delay_ms(<\/span>5<\/span>)<\/span>;\r\n    lcd(<\/span>0b00000001)<\/span>;\r\n}<\/span> \r\n\u00a0\r\nvoid<\/span> Clear<\/span>(<\/span>)<\/span>{<\/span>lcd(<\/span>0b00000001)<\/span>;}<\/span> \r\n\u00a0\r\nvoid<\/span> Curs(<\/span>byte str, byte mesto)<\/span>{<\/span>\r\n  if<\/span>(<\/span>str==0<\/span>)<\/span>{<\/span>lcd(<\/span>0b10000000+mesto)<\/span>;}<\/span>\r\n  if<\/span>(<\/span>str==1<\/span>)<\/span>{<\/span>lcd(<\/span>0b11000000+mesto)<\/span>;}<\/span>\r\n  }<\/span> \r\n\u00a0\r\nvoid<\/span> PrintString(<\/span>const char*<\/span> str)<\/span> {<\/span>while<\/span>(<\/span>*<\/span>str !<\/span>= '\\0<\/span>'<\/span>)<\/span> {<\/span>_delay_us(<\/span>200<\/span>)<\/span>;PrintChar(<\/span>*<\/span>str)<\/span>;str++;}<\/span>}<\/span>\r\n\u00a0\r\nvoid<\/span> PrintChar(<\/span>const char chr<\/span>)<\/span> {<\/span>lcdSend(<\/span>false<\/span>, (<\/span>uint8_t)<\/span>chr<\/span>)<\/span>;}<\/span>\r\n\u00a0\r\nvoid<\/span> e_pin(<\/span>)<\/span>{<\/span>\r\n    i2c_write_1bit(<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>E<\/span>)<\/span>)<\/span>;\r\n    _delay_us(<\/span>200<\/span>)<\/span>;\r\n    i2c_write_1bit(<\/span>led_b &<\/span>= ~(<\/span>1<\/span><<<\/span>E<\/span>)<\/span>)<\/span>;\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> lcd(<\/span>uint8_t sett)<\/span> {<\/span>lcdSend(<\/span>true<\/span>, sett)<\/span>;}<\/span>\r\n\u00a0\r\nvoid<\/span> lcdSend(<\/span>bool rs, byte data<\/span>)<\/span> {<\/span>\r\n    if<\/span>(<\/span>rs==0<\/span>)<\/span>{<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>RS)<\/span>;}<\/span> else<\/span> {<\/span>led_b &<\/span>= ~(<\/span>1<\/span><<<\/span>RS)<\/span>;}<\/span>\/\/RS<\/span>\r\n    _delay_us(<\/span>200<\/span>)<\/span>;\r\n    if<\/span>(<\/span>(<\/span>(<\/span>data<\/span> >><\/span> 7<\/span>)<\/span> &<\/span> 1<\/span>)<\/span> ==1<\/span>)<\/span>{<\/span>i2c_write_1bit(<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>7<\/span>)<\/span>)<\/span>;}<\/span> else<\/span> {<\/span>i2c_write_1bit(<\/span>led_b &<\/span>= ~(<\/span>1<\/span><<<\/span>7<\/span>)<\/span>)<\/span>;}<\/span>\r\n    if<\/span>(<\/span>(<\/span>(<\/span>data<\/span> >><\/span> 6<\/span>)<\/span> &<\/span> 1<\/span>)<\/span> ==1<\/span>)<\/span>{<\/span>i2c_write_1bit(<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>6<\/span>)<\/span>)<\/span>;}<\/span> else<\/span> {<\/span>i2c_write_1bit(<\/span>led_b &<\/span>= ~(<\/span>1<\/span><<<\/span>6<\/span>)<\/span>)<\/span>;}<\/span>\r\n    if<\/span>(<\/span>(<\/span>(<\/span>data<\/span> >><\/span> 5<\/span>)<\/span> &<\/span> 1<\/span>)<\/span> ==1<\/span>)<\/span>{<\/span>i2c_write_1bit(<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>5<\/span>)<\/span>)<\/span>;}<\/span> else<\/span> {<\/span>i2c_write_1bit(<\/span>led_b &<\/span>= ~(<\/span>1<\/span><<<\/span>5<\/span>)<\/span>)<\/span>;}<\/span>\r\n    if<\/span>(<\/span>(<\/span>(<\/span>data<\/span> >><\/span> 4<\/span>)<\/span> &<\/span> 1<\/span>)<\/span> ==1<\/span>)<\/span>{<\/span>i2c_write_1bit(<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>4<\/span>)<\/span>)<\/span>;}<\/span> else<\/span> {<\/span>i2c_write_1bit(<\/span>led_b &<\/span>= ~(<\/span>1<\/span><<<\/span>4<\/span>)<\/span>)<\/span>;}<\/span>\r\n    e_pin(<\/span>)<\/span>;\r\n    if<\/span>(<\/span>(<\/span>(<\/span>data<\/span> >><\/span> 3<\/span>)<\/span> &<\/span> 1<\/span>)<\/span> ==1<\/span>)<\/span>{<\/span>i2c_write_1bit(<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>7<\/span>)<\/span>)<\/span>;}<\/span> else<\/span> {<\/span>i2c_write_1bit(<\/span>led_b &<\/span>= ~(<\/span>1<\/span><<<\/span>7<\/span>)<\/span>)<\/span>;}<\/span>\r\n    if<\/span>(<\/span>(<\/span>(<\/span>data<\/span> >><\/span> 2<\/span>)<\/span> &<\/span> 1<\/span>)<\/span> ==1<\/span>)<\/span>{<\/span>i2c_write_1bit(<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>6<\/span>)<\/span>)<\/span>;}<\/span> else<\/span> {<\/span>i2c_write_1bit(<\/span>led_b &<\/span>= ~(<\/span>1<\/span><<<\/span>6<\/span>)<\/span>)<\/span>;}<\/span>\r\n    if<\/span>(<\/span>(<\/span>(<\/span>data<\/span> >><\/span> 1<\/span>)<\/span> &<\/span> 1<\/span>)<\/span> ==1<\/span>)<\/span>{<\/span>i2c_write_1bit(<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>5<\/span>)<\/span>)<\/span>;}<\/span> else<\/span> {<\/span>i2c_write_1bit(<\/span>led_b &<\/span>= ~(<\/span>1<\/span><<<\/span>5<\/span>)<\/span>)<\/span>;}<\/span>\r\n    if<\/span>(<\/span>(<\/span>(<\/span>data<\/span> >><\/span> 0<\/span>)<\/span> &<\/span> 1<\/span>)<\/span> ==1<\/span>)<\/span>{<\/span>i2c_write_1bit(<\/span>led_b |<\/span>= (<\/span>1<\/span><<<\/span>4<\/span>)<\/span>)<\/span>;}<\/span> else<\/span> {<\/span>i2c_write_1bit(<\/span>led_b &<\/span>= ~(<\/span>1<\/span><<<\/span>4<\/span>)<\/span>)<\/span>;}<\/span>\r\n    e_pin(<\/span>)<\/span>;\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> i2c_write_1bit(<\/span>byte i2c_reg)<\/span>{<\/span>\r\n  wire_start_w(<\/span>ADDR_LED)<\/span>;\r\n  wire_write(<\/span>i2c_reg)<\/span>;\r\n  wire_stop(<\/span>)<\/span>;\r\n}<\/span>    \r\n\u00a0\r\n\/\/\/\/\/\/ I2C \/\/\/\/\/\/\/\/\/\/\/\/<\/span>\r\nvoid<\/span> wire_set(<\/span>long f_clock, long i2c_clock)<\/span>{<\/span>\r\n   TWBR = (<\/span>(<\/span>(<\/span>f_clock)<\/span>\/<\/span>(<\/span>i2c_clock)<\/span>-16<\/span> )<\/span>\/<\/span>2<\/span>)<\/span> ;\r\n   TWSR = 0<\/span>;\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> wire_start_w(<\/span>byte i2c_addr)<\/span>{<\/span>\r\n   TWCR = (<\/span>1<\/span><<<\/span>TWINT)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>TWSTA)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>TWEN)<\/span>;  \r\n  while<\/span> (<\/span>!<\/span>(<\/span>TWCR &<\/span> (<\/span>1<\/span><<<\/span>TWINT)<\/span>)<\/span>)<\/span>;\r\n   TWDR = i2c_addr <<<\/span> 1<\/span>;\r\n   TWCR = (<\/span>1<\/span><<<\/span>TWINT)<\/span> |<\/span> (<\/span>1<\/span><<<\/span>TWEN)<\/span>;\r\n  while<\/span> (<\/span>!<\/span>(<\/span>TWCR &<\/span> (<\/span>1<\/span><<<\/span>TWINT)<\/span>)<\/span>)<\/span>;\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> wire_write(<\/span>byte i2c_data)<\/span>{<\/span>\r\n   TWDR = i2c_data;\r\n   TWCR = (<\/span>1<\/span><<<\/span>TWINT)<\/span> |<\/span> (<\/span>1<\/span><<<\/span>TWEN)<\/span>;\r\n  while<\/span> (<\/span>!<\/span>(<\/span>TWCR &<\/span> (<\/span>1<\/span><<<\/span>TWINT)<\/span>)<\/span>)<\/span>;\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> wire_stop(<\/span>)<\/span>{<\/span>  \r\n   TWCR = (<\/span>1<\/span><<<\/span>TWINT)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>TWEN)<\/span>|<\/span>(<\/span>1<\/span><<<\/span>TWSTO)<\/span>; \r\n}<\/span>\r\n<\/pre>\n
\u0421\u043a\u0435\u0442\u0447 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 3068 \u0431\u0430\u0439\u0442 (37%) \u043f\u0430\u043c\u044f\u0442\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430. \u0412\u0441\u0435\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e 8192 \u0431\u0430\u0439\u0442.
\n\u0413\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u044b\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 9 \u0431\u0430\u0439\u0442 (0%) \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438, \u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044f 1015 \u0431\u0430\u0439\u0442 \u0434\u043b\u044f \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445. \u041c\u0430\u043a\u0441\u0438\u043c\u0443\u043c: 1024 \u0431\u0430\u0439\u0442.<\/p><\/blockquote>\n
\u041f\u043e\u0441\u043b\u0435 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u043a\u0435\u0442\u0447\u0430 \u043d\u0430 \u0434\u0438\u0441\u043f\u043b\u0435\u0435 LCD1602 \u0412\u044b \u0443\u0432\u0438\u0434\u0438\u0442\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0435:<\/p>\n
\"\"<\/a><\/p>\n
\u0424\u0443\u043d\u043a\u0446\u0438\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f LCD1602_I2C:<\/p>\n