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--- en:iot-open:practical:hardware:sut:esp32:emb7_1 [2024/04/09 13:27] – [Steps] pczekalski
+++ en:iot-open:practical:hardware:sut:esp32:emb7_1 [2024/06/29 15:54] (current) – [Prerequisites] pczekalski
@@ Line 1: / Line 1: @@
-<todo @pczekalski>Finish it!</todo>
 ====== EMB7: Using OLED display =====
 This scenario presents how to use the OLED display. Our OLED display is an RGB (16bit colour, 64k colours) 1.5in, 128x128 pixels. The OLED chip is SSD1351, and it is controlled over the SPI interface using the following pin configuration:
@@ Line 17: / Line 16: @@
 <code ini>
 lib_deps =
-    adafruit/Adafruit SSD1351 library@^1.2.8
+    adafruit/Adafruit SSD1351 library@^1.3.2
     adafruit/Adafruit GFX Library@^1.11.9
 </code>
@@ Line 205: / Line 204: @@
   * ''drawRect(x,y, w,h, colour)'' draws a rectange starting in ''x,y'' of the width and height ''w'' and ''h'' and with given ''colour'' (no fill),
   * ''drawTriangle(x1,y1, x2,y2, x3,y3, colour)'' draws a triangle using 3 vertexes and of given colour (no fill),
-  *
 ==== Result validation ====
@@ Line 211: / Line 210: @@
 ===== FAQ =====
-This section is to be extended as new questions appear. \\
+**The screen is black even if I write to it. What to do?**: Check if you have initialised an SPI communication object and pulled the "chip select" GPIO down to LOW before drawing. Follow the code example in this manual: it does work!
-When using the printed version of this manual, please refer to the latest online version of this document to obtain the valid and up-to-date list of the FAQ.
-//Provide some FAQs in the following form:\\
-**Question?**: Answer.
-//
+<WRAP noprint>
 ===== Project information =====
 {{:en:iot-open:logo_iot_200_px.png?200|}}\\
@@ Line 233: / Line 230: @@
 {{:en:iot-open:ccbync.png?100|}}
 </figure>
+</WRAP>

en/iot-open/practical/hardware/sut/esp32/emb7_1.1712669257.txt.gz · Last modified: 2024/04/09 13:27 by pczekalski