Public Access
112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
 
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// Just enough Arduino and Adafruit GFX to run the real BROSE9323 driver (Nano build) on
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// the PC, with a simulated panel: test/test_driver. The panel decodes the pin levels at
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// each strobe (ENABLE low) into the dot that flips, like the Brose panel electronics.
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#pragma once
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <string>
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#define A0 14
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#define A1 15
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#define A2 16
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#define A3 17
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#define A4 18
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#define A5 19
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#define OUTPUT 1
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// Every micros() call takes a microsecond, so loops that wait for the time end
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inline uint32_t fake_micros = 0;
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inline uint32_t micros() { return ++fake_micros; }
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inline uint32_t millis() { return fake_micros / 1000; }
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inline void delayMicroseconds(unsigned int us) { fake_micros += us; }
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inline void pinMode(uint8_t, uint8_t) {}
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struct FakePanel
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{
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static const int W = 84, H = 19, PANEL_W = 28;
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bool dot[W][H] = {};
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int flips[W][H] = {}; // strobes per dot
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int strobes = 0;
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bool pins[20] = {};
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void clearCounts()
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{
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memset(flips, 0, sizeof(flips));
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strobes = 0;
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}
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void write(uint8_t pin, bool level)
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{
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pins[pin] = level;
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if (pin == 7 && !level) // ENABLE low: flip the addressed dot
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strobe();
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}
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void strobe()
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{
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int panel = pins[3] | pins[5] << 1 | pins[6] << 2;
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int col_code = pins[8] | pins[10] << 1 | pins[9] << 2 | pins[11] << 3 | pins[12] << 4;
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int row_code = pins[A3] | pins[A4] << 1 | pins[A2] << 2 | pins[A0] << 3 | pins[A1] << 4;
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int col = -1, row = -1;
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for (int c = 0; c < PANEL_W; c++)
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if (c + 1 + c / 7 == col_code)
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col = c;
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for (int r = 0; r < H; r++)
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if (r + r / 7 == row_code)
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row = r;
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if (col < 0 || row < 0 || panel > 2)
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{
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fprintf(stderr, "bad address: panel %d col code %d row code %d\n", panel, col_code, row_code);
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abort();
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}
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int x = panel * PANEL_W + col;
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dot[x][row] = !pins[4]; // COL_DATA low sets the dot (yellow)
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flips[x][row]++;
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strobes++;
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}
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};
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inline FakePanel panel;
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inline void digitalWrite(uint8_t pin, int level) { panel.write(pin, level != 0); }
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struct FakeSerialOut
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{
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void write(char) {}
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void println() {}
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};
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inline FakeSerialOut Serial;
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// Only what BROSE9323::print() uses
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class String
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{
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public:
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String(const char *s) : _s(s) {}
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void replace(const char *from, const char *to)
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{
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size_t pos = 0, n = strlen(from);
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while ((pos = _s.find(from, pos)) != std::string::npos)
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{
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_s.replace(pos, n, to);
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pos += strlen(to);
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}
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}
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const char *c_str() const { return _s.c_str(); }
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private:
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std::string _s;
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};
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class Adafruit_GFX
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{
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public:
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Adafruit_GFX(int16_t w, int16_t h) : _width(w), _height(h) {}
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virtual ~Adafruit_GFX() {}
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virtual void drawPixel(int16_t x, int16_t y, uint16_t color) = 0;
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int16_t width() const { return _width; }
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int16_t height() const { return _height; }
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size_t print(const char *s) { return strlen(s); }
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protected:
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int16_t _width, _height;
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};
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