[hardware_test] LCD DATA test

2026-01-19 00:37:25 +01:00 · 2019-04-12 15:50:00 +02:00
parent 197e056d3a
commit a77f5173b1
7 changed files with 199 additions and 1 deletions
--- a/apps/hardware_test/lcd_data_test_controller.cpp
+++ b/apps/hardware_test/lcd_data_test_controller.cpp
@@ -0,0 +1,133 @@
+#include "lcd_data_test_controller.h"
+#include <ion/src/device/shared/drivers/display.h>
+
+using namespace Poincare;
+
+namespace HardwareTest {
+
+bool LCDDataTestController::handleEvent(Ion::Events::Event event) {
+  if (event == Ion::Events::OK && strcmp(m_view.lcdDataStateTextView()->text(), k_lcdDataOKText) == 0) {
+    // Handled in WizardViewController
+    return false;
+  }
+  return true;
+}
+
+void LCDDataTestController::viewWillAppear() {
+  bool testOK = test();
+  m_view.lcdDataStateTextView()->setText(testOK ? k_lcdDataOKText : k_lcdDataFailTest);
+  m_view.setColor(testOK ? KDColorGreen : KDColorRed);
+}
+
+LCDDataTestController::ContentView::ContentView() :
+  SolidColorView(KDColorWhite),
+  m_lcdDataStateView(KDFont::LargeFont)
+{
+}
+
+void LCDDataTestController::ContentView::setColor(KDColor color) {
+  SolidColorView::setColor(color);
+  m_lcdDataStateView.setBackgroundColor(color);
+}
+
+void LCDDataTestController::ContentView::layoutSubviews() {
+  m_lcdDataStateView.setFrame(KDRect(0, 0, Ion::Display::Width, Ion::Display::Height));
+}
+
+
+void colorPixelBuffer(KDColor * pixels, int numberOfPixels, KDColor c) {
+  for (int i = 0; i < numberOfPixels; i++) {
+    pixels[i] = c;
+  }
+}
+bool LCDDataTestController::test() {
+  KDColor testColors[] = {
+    KDColorRed, KDColorGreen, KDColorBlue,
+    KDColor::RGB24(0xFFFF00), KDColor::RGB24(0xFF00FF), KDColor::RGB24(0x00FFFF),
+    KDColorWhite, KDColorBlack};
+  for (KDColor c : testColors) {
+    if (!testDisplayColor(c)) {
+      return false;
+    }
+  }
+  return testDisplayBlackWhite();
+}
+
+bool LCDDataTestController::testDisplayColor(KDColor c) {
+  constexpr int stampHeight = 10;
+  constexpr int stampWidth = 10;
+  static_assert(Ion::Display::Width % stampWidth == 0, "Stamps must tesselate the display");
+  static_assert(Ion::Display::Height % stampHeight == 0, "Stamps must tesselate the display");
+  static_assert(stampHeight % 2 == 0 || stampWidth % 2 == 0, "Even number of XOR needed.");
+
+  KDColor stamp[stampWidth*stampHeight];
+
+  // Test with pushRect
+  colorPixelBuffer(stamp, stampWidth * stampHeight, c);
+  for (int i = 0; i < Ion::Display::Width / stampWidth; i++) {
+    for (int j = 0; j < Ion::Display::Height / stampHeight; j++) {
+      Ion::Display::pushRect(KDRect(i * stampWidth, j * stampHeight, stampWidth, stampHeight), stamp);
+    }
+  }
+  if (numberOfNonColoredPixels(c) > invalidPixelsLimit) {
+    return false;
+  }
+
+  // Test with pushRectUniform
+  Ion::Display::pushRectUniform(KDRect(KDPointZero, Ion::Display::Width, Ion::Display::Height), c);
+  if (numberOfNonColoredPixels(c) > invalidPixelsLimit) {
+    return false;
+  }
+  return true;
+}
+
+int LCDDataTestController::numberOfNonColoredPixels(KDColor wantedColor) {
+  constexpr int stampHeight = 10;
+  constexpr int stampWidth = 10;
+  static_assert(Ion::Display::Width % stampWidth == 0, "Stamps must tesselate the display");
+  static_assert(Ion::Display::Height % stampHeight == 0, "Stamps must tesselate the display");
+  static_assert(stampHeight % 2 == 0 || stampWidth % 2 == 0, "Even number of XOR needed.");
+
+  KDColor stamp[stampWidth*stampHeight];
+
+  int numberOfInvalidPixels = 0;
+  for (int i = 0; i < Ion::Display::Width / stampWidth; i++) {
+    for (int j = 0; j < Ion::Display::Height / stampHeight; j++) {
+      colorPixelBuffer(stamp, stampWidth * stampHeight, wantedColor == KDColorBlack ? KDColorRed : KDColorBlack);
+      Ion::Display::pullRect(KDRect(i * stampWidth, j * stampHeight, stampWidth, stampHeight), stamp);
+      for (int k = 0; k < stampWidth * stampHeight; k++) {
+        if (stamp[k] != wantedColor) {
+          numberOfInvalidPixels++;
+        }
+      }
+    }
+  }
+  return numberOfInvalidPixels;
+}
+
+bool LCDDataTestController::testDisplayBlackWhite() {
+  Ion::Device::Display::HardwareTestPushBlackWhite();
+  constexpr int stampHeight = Ion::Display::Height;
+  constexpr int stampWidth = 2;
+  static_assert(Ion::Display::Width % stampWidth == 0, "Stamps must tesselate the display");
+  static_assert(Ion::Display::Height % stampHeight == 0, "Stamps must tesselate the display");
+  static_assert(stampHeight % 2 == 0 || stampWidth % 2 == 0, "Even number of XOR needed.");
+#warning LCD_DATA_hardware_test
+  // Test the following algo one we have a good screen
+  KDColor stamp[stampWidth*stampHeight];
+  int numberOfInvalidPixels = 0;
+  for (int i = 0; i < Ion::Display::Width; i++) {
+    for (int j = 0; j < Ion::Display::Height; j++) {
+      colorPixelBuffer(stamp, stampWidth * stampHeight, KDColorBlack);
+      Ion::Display::pullRect(KDRect(i * stampWidth, j * stampHeight, stampWidth, stampHeight), stamp);
+      for (int k = 0; k < stampWidth * stampHeight; k++) {
+        if (stamp[k] != (k%2 == 0 ? KDColorBlack : KDColorWhite)) {
+          numberOfInvalidPixels++;
+        }
+      }
+    }
+  }
+  return numberOfInvalidPixels <= invalidPixelsLimit;
+}
+
+}