added ADC control to hello world

This commit is contained in:
Seth Samuel 2024-10-22 23:44:56 +13:00
parent d5d0345dfe
commit baef14fe26

View file

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