{"id":708,"date":"2016-07-12T18:14:10","date_gmt":"2016-07-12T15:14:10","guid":{"rendered":"http:\/\/arduinolab.pw\/?p=708"},"modified":"2017-06-13T19:02:57","modified_gmt":"2017-06-13T16:02:57","slug":"modul-adcdac-pcf8591-kod-iz-video","status":"publish","type":"post","link":"https:\/\/arduinolab.pw\/index.php\/2016\/07\/12\/modul-adcdac-pcf8591-kod-iz-video\/","title":{"rendered":"\u041c\u043e\u0434\u0443\u043b\u044c ADC\\DAC PCF8591, \u043a\u043e\u0434 \u0438\u0437 \u0432\u0438\u0434\u0435\u043e"},"content":{"rendered":"

\u041c\u043e\u0434\u0443\u043b\u044c \u0441\u043e\u0431\u0440\u0430\u043d \u043d\u0430 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u0435 PCF8591, \u044d\u0442\u043e 8 \u0431\u0438\u0442\u043d\u044b\u0439 \u0447\u0435\u0442\u044b\u0440\u0435\u0445 \u043a\u0430\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0426\u0410\u041f \u0438 \u0410\u0426\u041f \u0432 \u043e\u0434\u043d\u043e\u043c \u043a\u043e\u0440\u043f\u0443\u0441\u0435.<\/p>\n

<\/p>\n

 <\/p>\n

\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043c\u043e\u0434\u0443\u043b\u044f:<\/h2>\n

\u041c\u043e\u0434\u0443\u043b\u044c \u0441\u043a\u043e\u0440\u0435\u0435 \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d \u0434\u043b\u044f \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f \u0438\u043b\u0438 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u043e\u0432, \u0430 \u043d\u0435 \u0434\u043b\u044f \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u0431\u0430\u0437\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043d\u0430 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u0435 PCF8591 \u0438\u043c\u0435\u044e\u0449\u0430\u044f 4 \u0432\u0445\u043e\u0434\u0430 \u0441 8 \u0431\u0438\u0442\u043d\u044b\u043c \u0430\u043d\u0430\u043b\u043e\u0433\u043e-\u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u043c (\u0410\u0426\u041f \u0438\u043b\u0438 ADC) \u0438 1 \u0432\u044b\u0445\u043e\u0434 \u0441 \u0446\u0438\u0444\u0440\u043e-\u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u044b\u043c \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u043c (\u0426\u0410\u041f \u0438\u043b\u0438 DAC), \u0441 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u044b\u043c\u0438 \u043a \u043d\u0438\u043c \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 «\u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u044b\u043c\u0438 \u0434\u0430\u0442\u0447\u0438\u043a\u0430\u043c\u0438», (\u0444\u043e\u0442\u043e\u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440, \u0442\u0435\u0440\u043c\u043e\u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440, \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0439 \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440), \u043d\u0430 \u0432\u044b\u0445\u043e\u0434 \u0426\u0410\u041f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d \u0441\u0432\u0435\u0442\u043e\u0434\u0438\u043e\u0434. \u0421\u0445\u0435\u043c\u0430 \u043c\u043e\u0434\u0443\u043b\u044f \u043d\u0438\u0436\u0435.<\/p>\n

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

\u041f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043a Arduino<\/h2>\n

\u041c\u043e\u0434\u0443\u043b\u044c \u0438\u043c\u0435\u0435\u0442 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 I2C \u0438 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0438 \u043b\u044e\u0431\u043e\u0435 \u0434\u0440\u0443\u0433\u043e\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e \u0441 I2C, \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0441\u043e\u0435\u0434\u0438\u043d\u0438\u0442\u044c \u0432\u044b\u0445\u043e\u0434\u044b SDA \u0438 SCL \u0438 \u0434\u0430\u0442\u044c \u043f\u0438\u0442\u0430\u043d\u0438\u0435 5 \u0432\u043e\u043b\u044c\u0442 \u043d\u0430 \u043c\u043e\u0434\u0443\u043b\u044c.<\/p>\n

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

\u041d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440\u0435 Arduino Leonardo \u0438 \u043c\u043e\u0434\u0443\u043b\u044f RTC, PCF8591 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c<\/p>\n

\u0421\u043e\u0444\u0442:<\/h2>\n

\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u0434\u043b\u044f PCF8591 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438, \u043d\u043e \u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u0441 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u043e\u0439 \u043e\u0447\u0435\u043d\u044c \u043f\u0440\u043e\u0441\u0442\u043e\u0435 \u0438 \u043c\u043e\u0436\u043d\u043e \u043e\u0431\u043e\u0439\u0442\u0438\u0441\u044c \u0434\u0432\u0443\u043c\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c\u0438, \u043e\u0434\u043d\u043e\u0439 \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0441 \u0410\u0426\u041f, \u0438 \u0432\u0442\u043e\u0440\u043e\u0439 \u0434\u043b\u044f \u0437\u0430\u043f\u0438\u0441\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0432 \u0426\u0410\u041f.<\/p>\n

<\/span>\u041a\u043e\u0434<\/div>
\n
#include<\/span> <<\/span>Wire<\/span>.<\/span>h<\/span>><\/span>\r\n\r\n#define<\/span> PCF8591<\/span> 0x48<\/span> \r\n\r\n\r\nvoid<\/span> setDAC<\/span>(<\/span>byte<\/span> val<\/span>)<\/span>{<\/span>\r\n \u00a0\u00a0Wire<\/span>.<\/span>beginTransmission<\/span>(<\/span>PCF8591<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0441\u043e\u0435\u0434\u0438\u043d\u044f\u0435\u043c\u0441\u044f \u0441 PCF8591<\/span>\r\n \u00a0\u00a0Wire<\/span>.<\/span>write<\/span>(<\/span>0x40<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u043c DAC \u00a0\u00a0\u00a0\u00a0<\/span>\r\n \u00a0\u00a0Wire<\/span>.<\/span>write<\/span>(<\/span>val<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043f\u0438\u0448\u0435\u043c \u0432 DAC \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435<\/span>\r\n \u00a0\u00a0Wire<\/span>.<\/span>endTransmission<\/span>(<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0437\u0430\u0432\u0435\u0440\u0448\u0430\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435<\/span>\r\n}<\/span>\r\n\r\nbyte<\/span> getADC<\/span>(<\/span>byte<\/span> ch<\/span>)<\/span>{<\/span>\r\n \u00a0if<\/span>(<\/span>ch<\/span> ><\/span> 3<\/span>)<\/span> ch<\/span> =<\/span> 0<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430<\/span>\r\n \u00a0\u00a0Wire<\/span>.<\/span>beginTransmission<\/span>(<\/span>PCF8591<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0441\u043e\u0435\u0434\u0438\u043d\u044f\u0435\u043c\u0441\u044f \u0441 PCF8591<\/span>\r\n \u00a0\u00a0Wire<\/span>.<\/span>write<\/span>(<\/span>ch<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0437\u0430\u043f\u0440\u0430\u0448\u0438\u0432\u0430\u0435\u043c <\/span>\r\n \u00a0\u00a0Wire<\/span>.<\/span>endTransmission<\/span>(<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0437\u0430\u0432\u0435\u0440\u0448\u0430\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435<\/span>\r\n \u00a0\u00a0Wire<\/span>.<\/span>requestFrom<\/span>(<\/span>PCF8591<\/span>,<\/span> 2<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0437\u0430\u0431\u0435\u0440\u0430\u0435\u043c 2 \u0431\u0430\u0439\u0442\u0430<\/span>\r\n \u00a0\u00a0byte<\/span> val0<\/span> =<\/span> Wire<\/span>.<\/span>read<\/span>(<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0byte<\/span> val1<\/span> =<\/span> Wire<\/span>.<\/span>read<\/span>(<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0432\u043e \u0432\u0442\u043e\u0440\u043e\u043c \u0442\u043e \u0447\u0442\u043e \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e<\/span>\r\n \u00a0\u00a0return<\/span> val1<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c<\/span>\r\n}<\/span>\r\n\r\nvoid<\/span> setup<\/span>(<\/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>\r\n \r\n}<\/span>\r\n\r\nvoid<\/span> loop<\/span>(<\/span>)<\/span>{<\/span>\r\n \u00a0\r\n for<\/span> (<\/span>int<\/span> i<\/span> =<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> 255<\/span>;<\/span> i<\/span> +=<\/span> 40<\/span>)<\/span> setDAC<\/span>(<\/span>i<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\/\/ \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u043f\u0438\u043b\u043e\u043e\u0431\u0440\u0430\u0437\u043d\u044b\u0439 \u0441\u0438\u0433\u043d\u0430\u043b<\/span>\r\n \r\n\/\/ \u00a0for (int i = 0; i <= 3; i++) { \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c \u0432 \u043c\u043e\u043d\u0438\u0442\u043e\u0440 \u043f\u043e\u0440\u0442\u0430 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0441 ADC<\/span>\r\n\/\/ \u00a0\u00a0\u00a0Serial.print(i);<\/span>\r\n\/\/ \u00a0\u00a0\u00a0Serial.print(\": \");<\/span>\r\n\/\/ \u00a0\u00a0\u00a0Serial.print(getADC(i)); <\/span>\r\n\/\/ \u00a0\u00a0\u00a0Serial.print(\" | \");<\/span>\r\n\/\/ }<\/span>\r\n\/\/ Serial.println();<\/span>\r\n\r\n\/\/ \u00a0setDAC(getADC(1)); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0438\u0437\u043c\u0435\u043d\u044f\u0435\u043c \u044f\u0440\u043a\u043e\u0441\u0442\u044c \u0441\u0432\u0435\u0442\u043e\u0434\u0438\u043e\u0434\u0430 \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u043e\u0441\u0432\u0435\u0449\u0435\u043d\u043d\u043e\u0441\u0442\u0438<\/span>\r\n\/\/ \u00a0delay(100); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\r\n}<\/span>\r\n\r\n<\/pre>\n<\/div><\/div>\n
\u041a\u0430\u043a \u043e\u043d \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442, \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0432 \u0432\u0438\u0434\u0435\u043e.<\/p>\n
\u0412\u0438\u0434\u0435\u043e:<\/h2>\n