Converts an SNES controller to a Gameport.
SNES wiring:
Power - 3.3V
Latch - PA4
Clock - PA5
Data - PA6
Gameport Axis Schematic:
Gameport Wiring:
Pin No - Description - Connect To
1 - 5v - See Axis Schematic
2 - Button 1 - PB10
3 - Joy 1 X Axis - X1 Out - See Axis Schematic
4 - Ground - Tie one ground to STM32 Ground
5 - Ground - Tie one ground to STM32 Ground
6 - Joy 1 Y Axis - Y1 Out - See Axis Schematic
7 - Button 2 - PB12
8 - 5v - See Axis Schematic
9 - 5v - See Axis Schematic
10 - Button 3 - PB13
11 - Joy 2 X Axis - X2 Out - See Axis Schematic
12 - Midi Out - Disconnected
13 - Joy 2 Y Axis - Y2 Out - See Axis Schematic
14 - Button 4 - PB14
15 - 5v - See Axis Schematic
Note: My gameport puts out closer to 2v, but the spec calls for 5v. I wasn't able to power the STM32 from my gameport.
STM32 wiring:
X1 Center - PB0
X1 Max - PB1
Y1 Center - PB2
Y1 Max - PB3
X2 Center - PB15
X2 Max - PC15
Y2 Center - PB6
Y2 Max - PB7
Button 1 - PB10
Button 2 - PB12
Button 3 - PB13
Button 4 - PB14
16x2 hd44780 LCD i2c wiring:
Power - 5v
SDA - PB9
SCL - PB8
Project made for an stm32f401ccu