Page 52 - Gartenbahn

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251
252 /*******Uhr ***********/
253
254 void Uhr()
255 {
256 if (dew1 < 59)
257 {
258 dew1++; // einer Minute
259 }
260
261 else {
262 dew1=0;
263
264 if (hum1<23) //zehner Minute
265 {
266 hum1++;
267 }
268 else hum1=0;
269 }
270
271 sprintf(logString,"%02d:%02d",hum1,dew1);
272
273 OLED1();
274 }
275
276 /**************Display***************/
277
278
279 void DisplayInit(){
280 for (int i = 0; i < 7; i++) {
281 /****Loop through each connected displays on the I2C buses***/
282 tcaselect(i);
283 u8g2.firstPage();
284 do {
285 /****Initialize display****/
286 u8g2.begin();
287 } while( u8g2.nextPage() );
288 }
289 }
290
291 /************* Multiplexer************/
292
293 void tcaselect(uint8_t i2c_bus) {
294 if (i2c_bus > 7) return;
295 Wire.beginTransmission(MUX_Address);
296 Wire.write(1 << i2c_bus);
297 Wire.endTransmission();
298 }
299