DHT11_C程序与对应程序(国外英文资料).docVIP

DHT11_C程序与对应程序(国外英文资料) In addition to the DHT11 //SCHEMATIC. interface, C51 circuit principle diagram and the corresponding other electronic Intertek / / as long as the construction of three files in the Keil after the two C file is added to the project can be compiled. MCU clock is 11.0592M / / if you need more detailed information on the DHT11 program to Baidu space message / / phenomenon is cyclic display temperature and humidity of each display seconds (small digital display 0) If you need to / / using dht11.c and other hardware, only to the temperature and humidity value in the required file plus the following statement //extern, int, Wendu, Shidu; (Wendu is the temperature value; Shidu is the humidity value; it is ten times larger than the actual temperature and humidity value) / / a, / / save the file name for the main.c /********************************************************************************************/ In addition to / / DHT11 interface, C51 circuit principle diagram and other corresponding tiansiang / / phenomenon is cyclic display temperature and humidity display all three seconds #include dht11.h #include reg52.h Sbit DULA = P2^6; / / digital pipe definition Sbit WELA = P2^7; Static unsigned char flag; / / interrupt count sign Static unsigned char code array[]= {/ / digital encoding 0x3f, 0x06,0x5b, 0x4f, 0x6, 0x6d, 0x7d, 0x07,0x7f, 0x6f }; Extern, int, Wendu, shidu; Static void InitTime (void); Void Delay_1ms (unsigned, int, MS); Static, void, SMG_Display (unsigned, int, value); Int main (void) { Unsigned char mark = 0; Electrical stability before / Delay_1ms (1000); Because a data read / / DHT11 will trigger a collection of data. The data / prior use of a data acquisition ReadTempAndHumi (); Because in the two / / data collection for a certain time interval, it can reduce the Delay_1ms (3000); / / set the timer InitTime (); While (1) { A temperature and humidity / / three seconds to read If (flag = 60) { Flag = 0; Mark++; * / / read the tempe