Classify DB-25 pins based on usage and re-map ESP32 pins to match that usage
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readme.md
54
readme.md
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@ -25,34 +25,36 @@ Wiring
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| DB-25 Pins | Arduino Pro Micro GPIO | ESP32 GPIO | Radio | SNES | PSX | N64 | Gamecube | Genesis |
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|---------------|------------------------|------------|----------|--------|--------|----------|----------|-------------|
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| 1 | 1 | 15 | - | - | - | - | - | P1-1 |
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| 2 | 2 | 2 | - | LATCH | DATA | DATA1 | DATA1 | P1-3 |
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| 3 | 3 | 4 | - | CLOCK | CMD | - | - | P1-4 |
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| 4 | 4 | 16 | - | - | ATT | - | - | P1-6 |
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| 5 | 5 | 17 | - | - | CLK | - | - | P1-7 |
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| 6 | 6 | 5 | - | - | - | - | - | P1-9 |
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| 7 | 7 | 18 | CE | - | - | - | - | P2-7* |
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| 8 | 8 | 19 | CSN | - | - | - | - | - |
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| 9 | 9 > 1k Ω | 35 > 1k Ω | - | 330 Ω | 100 Ω | 220 Ω | 680 Ω | 470 Ω |
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| 10 | 10 | 3 | - | - | - | - | - | - |
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| 11 | 0 | 1 | - | - | - | - | - | P1-2 |
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| 12 | - | 22 | - | - | - | - | - | - |
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| 13 | - | 23 | - | - | - | - | - | - |
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| 14 | 14 | 12 | MISO | - | - | - | - | P2-6* |
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| 15 | 15 | 14 | SCLK | - | - | - | - | P2-9* |
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| 16 | 16 | 13 | MOSI | - | - | - | - | - |
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| 17 | - | 27 | - | - | - | - | - | - |
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| 18 | 18 | 26 | - | DATA1 | - | - | - | P2-1 |
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| 19 | 19 | 25 | - | DATA2 | - | - | - | P2-2 |
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| 20 | 20 | 33 | - | DATA3 | - | - | - | P2-3 |
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| 21 | 21 | 32 | - | DATA4 | - | - | - | P2-4 |
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| 22 | - | - | - | - | - | - | - | - |
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| 23 | - | 3.3V VCC | 3.3V VCC | - | - | 3.3V VCC | 3.3V VCC | - |
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| 24 | 5V VCC OUT | 5V VCC | 5V VCC | 5V VCC | 5V VCC | - | 5V VCC | PX-5 5V VCC |
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| 25 | GND | GND | GND | GND | - | GND | GND | PX-8 GND |
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| 1 TX | 1 | 1 | - | - | - | - | - | P1-1 |
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| 2 SDA | 2 | 21 | - | LATCH | DATA | DATA1 | DATA1 | P1-3 |
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| 3 SCL | 3 | 22 | - | CLOCK | CMD | - | - | P1-4 |
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| 4 Analog | 4 | 15 | - | - | ATT | - | - | P1-6 |
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| 5 Digital | 5 | 16 | - | - | CLK | - | - | P1-7 |
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| 6 Analog | 6 | 2 | - | - | - | - | - | P1-9 |
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| 7 Digital | 7 | 17 | CE | - | - | - | - | P2-7* |
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| 8 Analog | 8 | 4 | CSN | - | - | - | - | - |
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| 9 Analog | 9 > 1k Ω | 35 > 1k Ω | - | 330 Ω | 100 Ω | 220 Ω | 680 Ω | 470 Ω |
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| 10 Analog | 10 | 32 | - | - | - | - | - | - |
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| 11 RX | 0 | 3 | - | - | - | - | - | P1-2 |
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| 12 - | - | - | - | - | - | - | - | - |
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| 13 - | - | - | - | - | - | - | - | - |
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| 14 MISO | 14 | 12 | MISO | - | - | - | - | P2-6* |
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| 15 SCLK | 15 | 14 | SCLK | - | - | - | - | P2-9* |
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| 16 MOSI | 16 | 13 | MOSI | - | - | - | - | - |
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| 17 - | - | - | - | - | - | - | - | - |
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| 18 Analog | 18 | 27 | - | DATA1 | - | - | - | P2-1 |
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| 19 Analog | 19 | 26 | - | DATA2 | - | - | - | P2-2 |
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| 20 Analog | 20 | 25 | - | DATA3 | - | - | - | P2-3 |
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| 21 Analog | 21 | 33 | - | DATA4 | - | - | - | P2-4 |
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| 22 - | - | - | - | - | - | - | - | - |
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| 23 3.3V VCC | - | 3.3V VCC | 3.3V VCC | - | - | 3.3V VCC | 3.3V VCC | - |
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| 24 5V VCC | 5V VCC OUT | 5V VCC | 5V VCC | 5V VCC | 5V VCC | - | 5V VCC | PX-5 5V VCC |
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| 25 GND | GND | GND | GND | GND | - | GND | GND | PX-8 GND |
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* 2nd player Genesis is incompatible with Radio because it uses the same pins, 1 player Genesis is compatible
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Ω This is optional and only used for dongle detection. For DB-25 pin 9: On the micro, run to pin 9 to 5V VCC with a 1k resistor. On ESP32, run to pin 35 to 3.3V VCC with a 1k resistor. On each dongle, run a resistor of the given value between DB-25 pin 9 and GND.
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Ω This is optional and only used for dongle detection. On the microcontroller side, put a 1k resistor between DB-25 pin 9 and VCC (3.3v for ESP32, 5V for Micro). On each controller dongle, put a resistor of the given value between DB-25 pin 9 and GND.
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All connected pins can also function as Digital pins.
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Credits / Links
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---------------
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48
src/pins.h
48
src/pins.h
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@ -6,31 +6,24 @@
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#if defined(ARDUINO_ARCH_ESP32)
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// esp32
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#define OR_PIN_1 15
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#define OR_PIN_2 2
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#define OR_PIN_3 4
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#define OR_PIN_4 16
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#define OR_PIN_5 17
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#define OR_PIN_6 5
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#define OR_PIN_7 18
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#define OR_PIN_8 19
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#define OR_PIN_1 1
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#define OR_PIN_2 21
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#define OR_PIN_3 22
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#define OR_PIN_4 15
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#define OR_PIN_5 16
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#define OR_PIN_6 2
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#define OR_PIN_7 17
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#define OR_PIN_8 4
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#define OR_PIN_9 35
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#define OR_PIN_10 3
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#define OR_PIN_11 1
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//#define OR_PIN_12 22
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//#define OR_PIN_13 23
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#define OR_PIN_10 32
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#define OR_PIN_11 3
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#define OR_PIN_14 12
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#define OR_PIN_15 14
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#define OR_PIN_16 13
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//#define OR_PIN_17 27
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#define OR_PIN_18 26
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#define OR_PIN_19 25
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#define OR_PIN_20 33
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#define OR_PIN_21 32
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//#define OR_PIN_22 22
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//#define OR_PIN_23 23
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//#define OR_PIN_24 24
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//#define OR_PIN_25 25
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#define OR_PIN_18 27
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#define OR_PIN_19 26
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#define OR_PIN_20 25
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#define OR_PIN_21 33
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#else
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// micro
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#define OR_PIN_1 1
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@ -44,20 +37,19 @@
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#define OR_PIN_9 9
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#define OR_PIN_10 10
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#define OR_PIN_11 0
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//#define OR_PIN_12 12
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//#define OR_PIN_13 13
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#define OR_PIN_14 14
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#define OR_PIN_15 15
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#define OR_PIN_16 16
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//#define OR_PIN_17 17
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#define OR_PIN_18 18
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#define OR_PIN_19 19
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#define OR_PIN_20 20
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#define OR_PIN_21 21
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//#define OR_PIN_22 22
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//#define OR_PIN_23 23
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//#define OR_PIN_24 24
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//#define OR_PIN_25 25
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#endif // ARDUINO_ARCH_ESP32
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// currently unused, reserved for future use
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//#define OR_PIN_12 -
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//#define OR_PIN_13 -
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//#define OR_PIN_17 -
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//#define OR_PIN_22 -
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#endif // OR_PINS_H
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