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c85358967b
The pattern is a tiling of checkers of colors 2**k with k between 0 and 15 and their contraries. This fixed a problem of failing LCD screens not detected.
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
#ifndef LCD_DATA_TEST_CONTROLLER_H
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#define LCD_DATA_TEST_CONTROLLER_H
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#include <escher.h>
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#include <assert.h>
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namespace HardwareTest {
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class LCDDataTestController : public ViewController {
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/* We want to test that:
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* - Command/data switching is OK,
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* - Data is correctly sent,
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* - There are no short-circuits between the data wires.
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* We thus send a tiled pattern (to test command/data switching), where each
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* tile is a checker of a color and its contrary (to tests that Data is sent
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* OK). To test each of the 16 data wires for short-circuits, we use 16 colors:
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* 2**k with 0 <= k < 16. */
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public:
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LCDDataTestController(Responder * parentResponder) :
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ViewController(parentResponder),
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m_view()
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{}
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View * view() override { return &m_view; }
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bool handleEvent(Ion::Events::Event event) override;
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void viewWillAppear() override;
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private:
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class ContentView : public SolidColorView {
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public:
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ContentView();
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BufferTextView * lcdDataStateTextView() { return &m_lcdDataStateView; }
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void setColor(KDColor color) override;
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private:
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void layoutSubviews() override;
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int numberOfSubviews() const override { return 1; }
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View * subviewAtIndex(int index) override {
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assert(index == 0);
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return &m_lcdDataStateView;
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}
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BufferTextView m_lcdDataStateView;
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};
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constexpr static const char * k_lcdDataOKText = "LCD DATA: OK";
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constexpr static const char * k_lcdDataFailTest = "LCD DATA: FAIL";
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constexpr static int k_LCDTestIterationsCount = 20;
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ContentView m_view;
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};
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}
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#endif
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