2019-02-13 16:13:27 -05:00
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## Firmware/flashing
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- Install Arduino IDE
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- Download firmware: https://github.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter/raw/master/C64_joystick_atmelstudio/CLASS_JOYSTICK1.hex
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- Connect RST to GND couple of times to get Arduino Pro Micro to programming mode (notice that com-port is different in programming mode in Windows)
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- Flash firmware
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```
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& "C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avrdude" -C"C:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf" -v -p m32u4 -c avr109 -P COM5 -b 57600 -U flash:w:CLASS_JOYSTICK1.hex:i
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```
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## Muistiinpanoja
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2019-02-13 16:11:06 -05:00
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```
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13.2.2019:
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Koko ATmega32U4 tuntuu puuttuvan...
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Löytyy kyllä kun tekee uuden projektin...
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Examplet puuttuu kaikki...
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Tools->Extensions and Updates...->Lufa
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Nyt löytyy.
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Lufa->New Example Project->FourWalledCubicle - Dean Camera->Joystick HID Device Demo (Class Driver APIs) - AVR8 Architecture
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Project->Properties->Change Device...->ATmega32U4 (rutkuttaa jotain, mutta suostuu silti)
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Tools->External tools
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Title:
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Arduino_via_bootloader
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command:
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C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avrdude.exe
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Arguments:
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-C"C:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf" -v -patmega32u4 -cavr109 -PCOM5 -b57600 -D -Uflash:w:"$(BinDir)\$(TargetName).hex":i
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Use Output window
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Pari kertaa GND->RST, sitten Tools->Arduino_via_bootloader
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C:\Users\lehti\Documents\Atmel Studio\7.0\CLASS_JOYSTICK1\CLASS_JOYSTICK1\Debug\CLASS_JOYSTICK1.hex
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Tulee "LUFA Joystick Demo", 2 nappia ja kolme axista (X,Y,Z).
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Näkyy Device managerissa "HID-compliant game controller".
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0x03EB, 0x2043, Atmel Corp., LUFA Joystick Demo Application.
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VID/PID ja "LUFA Joystick Demo": Descriptors.c
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suuntien ja nappien määrä ehkä structissa: Joystick.h
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Ja myös: src/LUFA/Drivers/USB/Class/Common/HIDClassCommon.h (HID_DESCRIPTOR_JOYSTICK)
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Pois: HID_RI_USAGE(8, 0x32)
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Muokkaa: HID_RI_REPORT_COUNT(8, 3) -> 2
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Koodi: Joystick.c
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GitHub-integraation vois tehdä external tools:lla.
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PB6,2,3,1
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PB5,4
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```
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## Joystick.c
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SetupHardware (before USB_INIT();):
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```
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DDRB = 0x0; //PORTB=input
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PORTB = 0xff; //PORTB=pullup
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```
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CALLBACK_HID_Device_CreateHIDReport (before report size):
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```
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if (!(in & (1 << 6))) JoystickReport->Y = -100;
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if (!(in & (1 << 2))) JoystickReport->Y = 100;
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if (!(in & (1 << 3))) JoystickReport->X = -100;
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if (!(in & (1 << 1))) JoystickReport->X = 100;
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if (!(in & (1 << 5))) JoystickReport->Button |= (1 << 0);
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if (!(in & (1 << 4))) JoystickReport->Button |= (1 << 1);
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```
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