I have ported my old project “pNesX” game console emulator to the nucleo.
Dependencies:
SDFileSystem
mbed
Intro
I have ported my old project “pNesX” to the STM32 Nucleo.
The pNesX is a NES emulator for the PlayStation that I have created 16 years ago!
Emulation part was almost without change, the sound part was newly added.
Parts
STM32 Nucleo F446RE
QVGA 2.2 TFT SPI (with the SD card slot)
Audio jack(TS or TRS)
USB Connector
Register 100k, 10k, 4.7k, 100
Capacitor 0.01uF, 2.2uF
Breadboard
Wires
Computer Speakers
USB GamePad
Wiring diagram
TFT J2 Nucleo
VCC 3V3
GND GND
CS PB_5(D4)
Reset PA_10(D2) Pull Up(100k)
D/C PA_8(D7)
MOSI PA_7(D11)
SCK PA_5(D13)
LED LED-100ohm-3V3
MISO PA_6(D12)
TFT J4 Nucleo
SD_CS PA_9
SD_MOSI PB_15
SD_MISO PB_14
SD_SCK PB_13
USB con. Nucleo
GND GND
+ PA_12
- PA_11
5V 5V
VIDEO
https://youtu.be/jL24IjT6LnI
Limitations
Since the rest of the RAM is about 50kbyte, maximum capacity of the game ROM is about 50kbyte.
The length of the file name up to 32 characters.
The number of files in the folder is up to 100.
Used Library
USBHost/IUSBEnumerator.h@0:3dac1f1bc9e0, 2016-04-03 (annotated)
Committer:
beaglescout007
Date:
Sun Apr 03 07:45:29 2016 +0000
Revision:
0:3dac1f1bc9e0
Release
Who changed what in which revision?
User Revision Line number New contents of line
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/* mbed USBHost Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef IUSBENUMERATOR_H_
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#define IUSBENUMERATOR_H_
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#include "stdint.h"
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#include "USBEndpoint.h"
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/*
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Generic interface to implement for "smart" USB enumeration
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*/
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class IUSBEnumerator
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{
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public:
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virtual void setVidPid(uint16_t vid, uint16_t pid) = 0;
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virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) = 0; //Must return true if the interface should be parsed
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virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) = 0; //Must return true if the endpoint will be used
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};
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#endif /*IUSBENUMERATOR_H_*/
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