added ADC control to hello world
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1 changed files with 15 additions and 14 deletions
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@ -2,6 +2,10 @@
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#include <SPI.h> //for screen
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#include <U8g2lib.h> //for screen
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#include <stdlib.h>
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#define ADC_PIN 26
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int adcVal = 0;
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float xLocation = 0;
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//screen setup
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U8G2_SH1106_128X64_NONAME_F_4W_HW_SPI u8g2(U8G2_R2, 17, 20, 21);
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@ -9,22 +13,19 @@ U8G2_SH1106_128X64_NONAME_F_4W_HW_SPI u8g2(U8G2_R2, 17, 20, 21);
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char outString[99];
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void setup() {
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//Screen setup
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/* buf = (uint8_t *)malloc(u8g2.getBufferSize());
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u8g2.setBufferPtr(buf);
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u8g2.initDisplay();
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u8g2.clearDisplay();
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u8g2.setPowerSave(0); */
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//setup screen
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u8g2.begin();
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u8g2.setFont(u8g2_font_ncenB14_tr);
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u8g2.clearBuffer();
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sprintf(outString,"helloworld");
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u8g2.drawStr(7,35,outString);
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u8g2.sendBuffer();
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//setup ADC
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analogReadResolution(10);
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digitalWriteFast(23, 1);
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}
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void loop() {
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// put your main code here, to run repeatedly:
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adcVal = analogRead(ADC_PIN);
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xLocation = (((float)adcVal/1024)*100);
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u8g2.clearBuffer();
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sprintf(outString, "helloworld");
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u8g2.drawStr(xLocation, 35, outString);
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u8g2.sendBuffer();
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}
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