This example demonstrates the reading of the USB Gamepad in the Nucleo.
Intro
This example demonstrates the reading of the USB Gamepad in the Nucleo.
Parts
STM32 Nucleo F446RE |
USB Connector |
LED 2pcs |
Register 470 ohm 2pcs |
Breadboard |
Wires |
Wiring diagram
This circuit diagram was created by fritzing.
USB con. | Nucleo |
---|---|
GND | GND |
+ | PA_12 |
- | PA_11 |
5V | 5V |
Original Library
- F401RE-USBHost by Norimasa Okamoto
- USBHostGamepad by Yuuichi Akagawa
USBHost/mymap.h@0:b5f79b4f741d, 2016-03-15 (annotated)
- Committer:
- beaglescout007
- Date:
- Tue Mar 15 11:39:04 2016 +0000
- Revision:
- 0:b5f79b4f741d
Release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
beaglescout007 | 0:b5f79b4f741d | 1 | #pragma once |
beaglescout007 | 0:b5f79b4f741d | 2 | |
beaglescout007 | 0:b5f79b4f741d | 3 | template<class K,class T> |
beaglescout007 | 0:b5f79b4f741d | 4 | class mymap { |
beaglescout007 | 0:b5f79b4f741d | 5 | struct mypair { |
beaglescout007 | 0:b5f79b4f741d | 6 | K first; |
beaglescout007 | 0:b5f79b4f741d | 7 | T second; |
beaglescout007 | 0:b5f79b4f741d | 8 | }; |
beaglescout007 | 0:b5f79b4f741d | 9 | public: |
beaglescout007 | 0:b5f79b4f741d | 10 | mymap() { |
beaglescout007 | 0:b5f79b4f741d | 11 | m_size = 0; |
beaglescout007 | 0:b5f79b4f741d | 12 | } |
beaglescout007 | 0:b5f79b4f741d | 13 | T& operator[](const K& key) { |
beaglescout007 | 0:b5f79b4f741d | 14 | int it; |
beaglescout007 | 0:b5f79b4f741d | 15 | if (count(key) == 0) { |
beaglescout007 | 0:b5f79b4f741d | 16 | it = insert(key, 0); |
beaglescout007 | 0:b5f79b4f741d | 17 | } else { |
beaglescout007 | 0:b5f79b4f741d | 18 | it = find(key); |
beaglescout007 | 0:b5f79b4f741d | 19 | } |
beaglescout007 | 0:b5f79b4f741d | 20 | return m_buf[it].second; |
beaglescout007 | 0:b5f79b4f741d | 21 | } |
beaglescout007 | 0:b5f79b4f741d | 22 | bool empty() { return m_size == 0 ? true : false; } |
beaglescout007 | 0:b5f79b4f741d | 23 | int size() { return m_size; } |
beaglescout007 | 0:b5f79b4f741d | 24 | void clear() { m_size = 0; } |
beaglescout007 | 0:b5f79b4f741d | 25 | int count(K key) { |
beaglescout007 | 0:b5f79b4f741d | 26 | for(int i = 0; i < m_size; i++) { |
beaglescout007 | 0:b5f79b4f741d | 27 | if (m_buf[i].first == key) { |
beaglescout007 | 0:b5f79b4f741d | 28 | return 1; |
beaglescout007 | 0:b5f79b4f741d | 29 | } |
beaglescout007 | 0:b5f79b4f741d | 30 | } |
beaglescout007 | 0:b5f79b4f741d | 31 | return 0; |
beaglescout007 | 0:b5f79b4f741d | 32 | } |
beaglescout007 | 0:b5f79b4f741d | 33 | |
beaglescout007 | 0:b5f79b4f741d | 34 | private: |
beaglescout007 | 0:b5f79b4f741d | 35 | int find(K key) { |
beaglescout007 | 0:b5f79b4f741d | 36 | for(int i = 0; i < m_size; i++) { |
beaglescout007 | 0:b5f79b4f741d | 37 | if (m_buf[i].first == key) { |
beaglescout007 | 0:b5f79b4f741d | 38 | return i; |
beaglescout007 | 0:b5f79b4f741d | 39 | } |
beaglescout007 | 0:b5f79b4f741d | 40 | } |
beaglescout007 | 0:b5f79b4f741d | 41 | return -1; |
beaglescout007 | 0:b5f79b4f741d | 42 | } |
beaglescout007 | 0:b5f79b4f741d | 43 | int insert(K key, T value) { |
beaglescout007 | 0:b5f79b4f741d | 44 | int it = find(key); |
beaglescout007 | 0:b5f79b4f741d | 45 | if (it != -1) { |
beaglescout007 | 0:b5f79b4f741d | 46 | m_buf[it].second = value; |
beaglescout007 | 0:b5f79b4f741d | 47 | return it; |
beaglescout007 | 0:b5f79b4f741d | 48 | } |
beaglescout007 | 0:b5f79b4f741d | 49 | mypair* new_buf = new mypair[m_size+1]; |
beaglescout007 | 0:b5f79b4f741d | 50 | if (m_size > 0) { |
beaglescout007 | 0:b5f79b4f741d | 51 | for(int i = 0; i < m_size; i++) { |
beaglescout007 | 0:b5f79b4f741d | 52 | new_buf[i] = m_buf[i]; |
beaglescout007 | 0:b5f79b4f741d | 53 | } |
beaglescout007 | 0:b5f79b4f741d | 54 | delete[] m_buf; |
beaglescout007 | 0:b5f79b4f741d | 55 | } |
beaglescout007 | 0:b5f79b4f741d | 56 | m_buf = new_buf; |
beaglescout007 | 0:b5f79b4f741d | 57 | it = m_size++; |
beaglescout007 | 0:b5f79b4f741d | 58 | m_buf[it].first = key; |
beaglescout007 | 0:b5f79b4f741d | 59 | m_buf[it].second = value; |
beaglescout007 | 0:b5f79b4f741d | 60 | return it; |
beaglescout007 | 0:b5f79b4f741d | 61 | } |
beaglescout007 | 0:b5f79b4f741d | 62 | |
beaglescout007 | 0:b5f79b4f741d | 63 | int m_size; |
beaglescout007 | 0:b5f79b4f741d | 64 | mypair *m_buf; |
beaglescout007 | 0:b5f79b4f741d | 65 | }; |
beaglescout007 | 0:b5f79b4f741d | 66 |