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[POST/HardwareTest] LCD ad hoc white tiling test

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This commit is contained in:
Léa Saviot
2019-05-27 16:18:06 +02:00
parent d8199ff186
commit 7a9a1cdbe5
2 changed files with 40 additions and 0 deletions
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39
apps/shared/post_and_hardware_tests.cpp
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@@ -17,7 +17,46 @@ bool POSTAndHardwareTests::VBlankOK() {
return result;
}
void ColorPixelBuffer(KDColor * pixels, int numberOfPixels, KDColor c) {
for (int i = 0; i < numberOfPixels; i++) {
pixels[i] = c;
}
}
bool POSTAndHardwareTests::WhiteTilingLCDTestOK() {
constexpr int numberOfPixels = k_stampSize * k_stampSize;
KDColor whiteStamp[numberOfPixels];
KDColor pullStamp[numberOfPixels];
ColorPixelBuffer(whiteStamp, numberOfPixels, KDColorWhite);
// Tiling test with pushRect
KDColor wantedColor = KDColorWhite;
int numberOfInvalidPixels = 0;
for (int i = 0; i < Ion::Display::Width / k_stampSize; i++) {
for (int j = 0; j < Ion::Display::Height / k_stampSize; j++) {
// Push the color
Ion::Display::pushRect(KDRect(i * k_stampSize, j * k_stampSize, k_stampSize, k_stampSize), whiteStamp);
// Pull the display
ColorPixelBuffer(pullStamp, numberOfPixels, KDColorRed);
Ion::Display::pullRect(KDRect(i * k_stampSize, j * k_stampSize, k_stampSize, k_stampSize), pullStamp);
for (int k = 0; k < numberOfPixels; k++) {
if (pullStamp[k] != wantedColor) {
numberOfInvalidPixels++;
if (numberOfInvalidPixels > k_invalidPixelsLimit) {
return false;
}
}
}
}
}
return true;
}
bool POSTAndHardwareTests::LCDDataOK(int numberOfIterations) {
if (!WhiteTilingLCDTestOK()) {
return false;
}
for (int iteration = 0; iteration < numberOfIterations; iteration++) {
Ion::Display::POSTPushMulticolor(iteration, k_stampSize);
KDColor stamp[k_stampSize*k_stampSize];

1
apps/shared/post_and_hardware_tests.h
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@@ -14,6 +14,7 @@ public:
private:
constexpr static int k_stampSize = 8;
constexpr static int k_invalidPixelsLimit = 2;
static bool WhiteTilingLCDTestOK();
static_assert(Ion::Display::Width % k_stampSize == 0, "Stamps must tesselate the display");
static_assert(Ion::Display::Height % k_stampSize == 0, "Stamps must tesselate the display");
static_assert(k_stampSize % 2 == 0, "Even number of XOR needed.");