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

/media/uploads/beaglescout007/nucleo_ex06_emu.png

TFT J2Nucleo
VCC3V3
GNDGND
CSPB_5(D4)
ResetPA_10(D2) Pull Up(100k)
D/CPA_8(D7)
MOSIPA_7(D11)
SCKPA_5(D13)
LEDLED-100ohm-3V3
MISOPA_6(D12)
TFT J4Nucleo
SD_CSPA_9
SD_MOSIPB_15
SD_MISOPB_14
SD_SCKPB_13
AudioNucleo
TIPPA_4(A2)
USB con.Nucleo
GNDGND
+PA_12
-PA_11
5V5V

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

Committer:
beaglescout007
Date:
Sun Apr 03 07:45:29 2016 +0000
Revision:
0:3dac1f1bc9e0
Release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
beaglescout007 0:3dac1f1bc9e0 1 /* mbed USBHost Library
beaglescout007 0:3dac1f1bc9e0 2 * Copyright (c) 2006-2013 ARM Limited
beaglescout007 0:3dac1f1bc9e0 3 *
beaglescout007 0:3dac1f1bc9e0 4 * Licensed under the Apache License, Version 2.0 (the "License");
beaglescout007 0:3dac1f1bc9e0 5 * you may not use this file except in compliance with the License.
beaglescout007 0:3dac1f1bc9e0 6 * You may obtain a copy of the License at
beaglescout007 0:3dac1f1bc9e0 7 *
beaglescout007 0:3dac1f1bc9e0 8 * http://www.apache.org/licenses/LICENSE-2.0
beaglescout007 0:3dac1f1bc9e0 9 *
beaglescout007 0:3dac1f1bc9e0 10 * Unless required by applicable law or agreed to in writing, software
beaglescout007 0:3dac1f1bc9e0 11 * distributed under the License is distributed on an "AS IS" BASIS,
beaglescout007 0:3dac1f1bc9e0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
beaglescout007 0:3dac1f1bc9e0 13 * See the License for the specific language governing permissions and
beaglescout007 0:3dac1f1bc9e0 14 * limitations under the License.
beaglescout007 0:3dac1f1bc9e0 15 */
beaglescout007 0:3dac1f1bc9e0 16
beaglescout007 0:3dac1f1bc9e0 17 #ifndef IUSBENUMERATOR_H_
beaglescout007 0:3dac1f1bc9e0 18 #define IUSBENUMERATOR_H_
beaglescout007 0:3dac1f1bc9e0 19
beaglescout007 0:3dac1f1bc9e0 20 #include "stdint.h"
beaglescout007 0:3dac1f1bc9e0 21 #include "USBEndpoint.h"
beaglescout007 0:3dac1f1bc9e0 22
beaglescout007 0:3dac1f1bc9e0 23 /*
beaglescout007 0:3dac1f1bc9e0 24 Generic interface to implement for "smart" USB enumeration
beaglescout007 0:3dac1f1bc9e0 25 */
beaglescout007 0:3dac1f1bc9e0 26
beaglescout007 0:3dac1f1bc9e0 27 class IUSBEnumerator
beaglescout007 0:3dac1f1bc9e0 28 {
beaglescout007 0:3dac1f1bc9e0 29 public:
beaglescout007 0:3dac1f1bc9e0 30 virtual void setVidPid(uint16_t vid, uint16_t pid) = 0;
beaglescout007 0:3dac1f1bc9e0 31 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
beaglescout007 0:3dac1f1bc9e0 32 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) = 0; //Must return true if the endpoint will be used
beaglescout007 0:3dac1f1bc9e0 33 };
beaglescout007 0:3dac1f1bc9e0 34
beaglescout007 0:3dac1f1bc9e0 35 #endif /*IUSBENUMERATOR_H_*/
beaglescout007 0:3dac1f1bc9e0 36
beaglescout007 0:3dac1f1bc9e0 37