woodstock . / Mbed 2 deprecated Nucleo_Ex06_EMU

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

USBHost/USBHostGamepad.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?

UserRevisionLine numberNew contents of line
beaglescout007 0:3dac1f1bc9e0 1 /*
beaglescout007 0:3dac1f1bc9e0 2 * modified from
beaglescout007 0:3dac1f1bc9e0 3 * mbed USBHost Gamepad driver sample
beaglescout007 0:3dac1f1bc9e0 4 * Copyright (c) 2014 Yuuichi Akagawa
beaglescout007 0:3dac1f1bc9e0 5 *
beaglescout007 0:3dac1f1bc9e0 6 * modified from mbed USBHostMouse
beaglescout007 0:3dac1f1bc9e0 7 *
beaglescout007 0:3dac1f1bc9e0 8 * Copyright (c) 2014 mbed.org, MIT License
beaglescout007 0:3dac1f1bc9e0 9 *
beaglescout007 0:3dac1f1bc9e0 10 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
beaglescout007 0:3dac1f1bc9e0 11 * and associated documentation files (the "Software"), to deal in the Software without
beaglescout007 0:3dac1f1bc9e0 12 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
beaglescout007 0:3dac1f1bc9e0 13 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
beaglescout007 0:3dac1f1bc9e0 14 * Software is furnished to do so, subject to the following conditions:
beaglescout007 0:3dac1f1bc9e0 15 *
beaglescout007 0:3dac1f1bc9e0 16 * The above copyright notice and this permission notice shall be included in all copies or
beaglescout007 0:3dac1f1bc9e0 17 * substantial portions of the Software.
beaglescout007 0:3dac1f1bc9e0 18 *
beaglescout007 0:3dac1f1bc9e0 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
beaglescout007 0:3dac1f1bc9e0 20 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
beaglescout007 0:3dac1f1bc9e0 21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
beaglescout007 0:3dac1f1bc9e0 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
beaglescout007 0:3dac1f1bc9e0 23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
beaglescout007 0:3dac1f1bc9e0 24 */
beaglescout007 0:3dac1f1bc9e0 25
beaglescout007 0:3dac1f1bc9e0 26 #ifndef USBHOSTGAMEPAD_H
beaglescout007 0:3dac1f1bc9e0 27 #define USBHOSTGAMEPAD_H
beaglescout007 0:3dac1f1bc9e0 28
beaglescout007 0:3dac1f1bc9e0 29 #include "USBHostConf.h"
beaglescout007 0:3dac1f1bc9e0 30
beaglescout007 0:3dac1f1bc9e0 31 //#if USBHOST_GAMEPAD
beaglescout007 0:3dac1f1bc9e0 32
beaglescout007 0:3dac1f1bc9e0 33 #include "USBHost.h"
beaglescout007 0:3dac1f1bc9e0 34 //HID Class Request
beaglescout007 0:3dac1f1bc9e0 35 #define HID_GET_REPORT 0x01
beaglescout007 0:3dac1f1bc9e0 36 #define HID_GET_IDLE 0x02
beaglescout007 0:3dac1f1bc9e0 37 #define HID_GET_PROTOCOL 0x03
beaglescout007 0:3dac1f1bc9e0 38 #define HID_GET_DESCRIPTOR 0x06
beaglescout007 0:3dac1f1bc9e0 39 #define HID_SET_REPORT 0x09
beaglescout007 0:3dac1f1bc9e0 40 #define HID_SET_IDLE 0x0a
beaglescout007 0:3dac1f1bc9e0 41 #define HID_SET_PROTOCOL 0x0b
beaglescout007 0:3dac1f1bc9e0 42
beaglescout007 0:3dac1f1bc9e0 43 /**
beaglescout007 0:3dac1f1bc9e0 44 * A class to communicate a USB MIDI device
beaglescout007 0:3dac1f1bc9e0 45 */
beaglescout007 0:3dac1f1bc9e0 46 class USBHostGamepad : public IUSBEnumerator {
beaglescout007 0:3dac1f1bc9e0 47 public:
beaglescout007 0:3dac1f1bc9e0 48 /**
beaglescout007 0:3dac1f1bc9e0 49 * Constructor
beaglescout007 0:3dac1f1bc9e0 50 */
beaglescout007 0:3dac1f1bc9e0 51 USBHostGamepad();
beaglescout007 0:3dac1f1bc9e0 52
beaglescout007 0:3dac1f1bc9e0 53 /**
beaglescout007 0:3dac1f1bc9e0 54 * Try to connect a gamepad device
beaglescout007 0:3dac1f1bc9e0 55 *
beaglescout007 0:3dac1f1bc9e0 56 * @return true if connection was successful
beaglescout007 0:3dac1f1bc9e0 57 */
beaglescout007 0:3dac1f1bc9e0 58 bool connect();
beaglescout007 0:3dac1f1bc9e0 59
beaglescout007 0:3dac1f1bc9e0 60 /**
beaglescout007 0:3dac1f1bc9e0 61 * Check if a gamepad is connected
beaglescout007 0:3dac1f1bc9e0 62 *
beaglescout007 0:3dac1f1bc9e0 63 * @returns true if a gamepad is connected
beaglescout007 0:3dac1f1bc9e0 64 */
beaglescout007 0:3dac1f1bc9e0 65 bool connected();
beaglescout007 0:3dac1f1bc9e0 66
beaglescout007 0:3dac1f1bc9e0 67 uint8_t report[8]; /* modified 2016 Racoon */
beaglescout007 0:3dac1f1bc9e0 68 int rxSize;
beaglescout007 0:3dac1f1bc9e0 69
beaglescout007 0:3dac1f1bc9e0 70 protected:
beaglescout007 0:3dac1f1bc9e0 71 //From IUSBEnumerator
beaglescout007 0:3dac1f1bc9e0 72 virtual void setVidPid(uint16_t vid, uint16_t pid);
beaglescout007 0:3dac1f1bc9e0 73 virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed
beaglescout007 0:3dac1f1bc9e0 74 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
beaglescout007 0:3dac1f1bc9e0 75
beaglescout007 0:3dac1f1bc9e0 76 private:
beaglescout007 0:3dac1f1bc9e0 77 USBHost * host;
beaglescout007 0:3dac1f1bc9e0 78 USBDeviceConnected * dev;
beaglescout007 0:3dac1f1bc9e0 79 USBEndpoint * int_in;
beaglescout007 0:3dac1f1bc9e0 80
beaglescout007 0:3dac1f1bc9e0 81 bool dev_connected;
beaglescout007 0:3dac1f1bc9e0 82 bool gamepad_device_found;
beaglescout007 0:3dac1f1bc9e0 83 int gamepad_intf;
beaglescout007 0:3dac1f1bc9e0 84
beaglescout007 0:3dac1f1bc9e0 85 void rxHandler();
beaglescout007 0:3dac1f1bc9e0 86 void init();
beaglescout007 0:3dac1f1bc9e0 87 };
beaglescout007 0:3dac1f1bc9e0 88
beaglescout007 0:3dac1f1bc9e0 89 #endif
beaglescout007 0:3dac1f1bc9e0 90