38 lines
705 B
C++
38 lines
705 B
C++
// Walking 1 write and read pixel test
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#include <TFT_eSPI.h>
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#include <SPI.h>
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#define TDELAY 500
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TFT_eSPI tft = TFT_eSPI();
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void setup() {
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Serial.begin(115200);
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tft.init();
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tft.fillScreen(0xF81F);
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}
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void loop() {
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static uint32_t wr = 1;
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static uint32_t rd = 0xFFFFFFFF;
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delay(TDELAY);
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tft.drawPixel(30,30,wr);
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Serial.print(" Pixel value written = ");Serial.println(wr,HEX);
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rd = tft.readPixel(30,30);
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Serial.print(" Pixel value read = ");Serial.println(rd,HEX);
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if (rd!=wr) {
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Serial.println(" ERROR ^^^^");
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//while(1) yield();
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}
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else Serial.println(" PASS ");
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// Walking 1 test
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wr = wr<<1;
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if (wr >= 0x10000) wr = 1;
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}
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