author | František Kučera <franta-hg@frantovo.cz> |
Sun, 18 Aug 2019 23:00:21 +0200 | |
branch | v_0 |
changeset 4 | 405aa9de65d2 |
parent 3 | 1197b42e8b2e |
child 5 | 6799cec5c2f8 |
permissions | -rw-r--r-- |
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#include <iostream> |
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#include <array> |
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#include <vector> |
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#include <memory> |
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#include <unistd.h> |
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#include <cassert> |
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#include <type_traits> |
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#include <hidapi/hidapi.h> |
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using Packet = std::vector<uint8_t>; |
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static_assert(sizeof (uint8_t) == sizeof (unsigned char)); // unsigned char is used in the HID API library |
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class HIDException { |
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private: |
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std::wstring message; |
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public: |
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HIDException(std::wstring message) : message(message) { |
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} |
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virtual ~HIDException() { |
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} |
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const std::wstring getMessage() const { |
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return message; |
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} |
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}; |
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class HIDDevice { |
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private: |
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std::shared_ptr<hid_device> handle; |
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public: |
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HIDDevice(unsigned short vendorId, unsigned short productId, const wchar_t *serialNumber) { |
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int initError = hid_init(); // TODO: move to HIDContext class? |
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if (initError) throw HIDException(L"Unable to init HID API."); |
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handle.reset(hid_open(vendorId, productId, serialNumber), hid_close); |
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if (handle == nullptr) throw HIDException(L"Unable to open HID device. Are you root? Is mouse present?"); |
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} |
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virtual ~HIDDevice() { |
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hid_exit(); // TODO: move to HIDContext class? |
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} |
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const std::wstring getManufacturerName() const { |
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std::array<wchar_t, 200 > buffer; |
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int error = hid_get_manufacturer_string(handle.get(), buffer.data(), buffer.size()); |
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if (error) throw HIDException(L"Unable to get manufacturer name."); |
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return buffer.data(); |
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} |
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const std::wstring getProductName() const { |
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std::array<wchar_t, 200 > buffer; |
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int error = hid_get_product_string(handle.get(), buffer.data(), buffer.size()); |
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if (error) throw HIDException(L"Unable to get product name."); |
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return buffer.data(); |
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} |
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const std::wstring getSerialNumber() const { |
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std::array<wchar_t, 200 > buffer; |
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int error = hid_get_serial_number_string(handle.get(), buffer.data(), buffer.size()); |
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if (error) throw HIDException(L"Unable to get serial number."); |
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return buffer.data(); |
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} |
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void sendFeatureReport(Packet data) { |
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int written = hid_send_feature_report(handle.get(), data.data(), data.size()); |
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if (written < 0) throw HIDException(L"Unable to send feature report."); |
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} |
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}; |
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enum class Frequency : uint8_t { |
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Hz_0125 = 8, |
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Hz_0250 = 4, |
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Hz_0500 = 2, |
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Hz_1000 = 1 |
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}; |
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using FrequencyType = std::underlying_type<Frequency>::type; |
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class CadMouseConfig { |
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private: |
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bool liftOffDetection = true; |
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bool smartScrolling = false; |
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Frequency frequency = Frequency::Hz_1000; |
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public: |
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void setFrequency(Frequency frequency) { |
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this->frequency = frequency; |
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} |
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void setLiftOffDetection(bool liftOffDetection) { |
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this->liftOffDetection = liftOffDetection; |
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} |
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void setSmartScrolling(bool smartScrolling) { |
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this->smartScrolling = smartScrolling; |
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} |
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Packet serialize() { |
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105 |
Packet data; |
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106 |
data.reserve(32); |
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107 |
|
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108 |
data.push_back(0x10); // report ID |
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109 |
data.push_back(0x00); // option |
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110 |
|
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111 |
data.push_back(0x1c); // speed |
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|
112 |
|
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113 |
data.push_back(liftOffDetection ? 0x00 : 0x1f); |
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114 |
|
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|
115 |
if (smartScrolling) { |
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|
116 |
data.push_back(0x00); |
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|
117 |
data.push_back(0x00); |
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|
118 |
data.push_back(0x00); |
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119 |
data.push_back(0x01); |
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120 |
} else { |
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121 |
data.push_back(0x01); |
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122 |
data.push_back(0xff); |
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123 |
data.push_back(0x00); |
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124 |
data.push_back(0x00); |
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125 |
} |
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126 |
|
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127 |
for (int i = 0; i < 8; i++) data.push_back(0x00); // constant padding or magic |
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|
128 |
|
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|
129 |
// magic constants or unknown fields |
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|
130 |
data.push_back(0x00); |
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|
131 |
data.push_back(0x03); |
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|
132 |
data.push_back(0x00); |
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|
133 |
data.push_back(0x0a); |
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|
134 |
data.push_back(0x0b); |
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|
135 |
data.push_back(0x0c); |
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|
136 |
data.push_back(0x0c); |
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|
137 |
data.push_back(0x0e); |
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|
138 |
data.push_back(0x0d); |
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František Kučera <franta-hg@frantovo.cz>
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|
139 |
data.push_back(0x2f); |
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František Kučera <franta-hg@frantovo.cz>
parents:
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|
140 |
data.push_back(0x00); |
405aa9de65d2
CadMouseConfig class, frequency, lift-off detection, smart scrolling
František Kučera <franta-hg@frantovo.cz>
parents:
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|
141 |
data.push_back(0x1e); |
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František Kučera <franta-hg@frantovo.cz>
parents:
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|
142 |
|
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|
143 |
data.push_back(0x00); |
405aa9de65d2
CadMouseConfig class, frequency, lift-off detection, smart scrolling
František Kučera <franta-hg@frantovo.cz>
parents:
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|
144 |
data.push_back(0x00); |
405aa9de65d2
CadMouseConfig class, frequency, lift-off detection, smart scrolling
František Kučera <franta-hg@frantovo.cz>
parents:
3
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|
145 |
data.push_back(0x00); |
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CadMouseConfig class, frequency, lift-off detection, smart scrolling
František Kučera <franta-hg@frantovo.cz>
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|
146 |
data.push_back(static_cast<FrequencyType> (frequency)); |
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CadMouseConfig class, frequency, lift-off detection, smart scrolling
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|
147 |
|
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|
148 |
return data; |
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|
149 |
} |
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|
150 |
|
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|
151 |
}; |
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|
152 |
|
0
6ff501639c23
project skeleton, open USB HID device
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|
153 |
int main(int argc, char** argv) { |
6ff501639c23
project skeleton, open USB HID device
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|
154 |
try { |
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project skeleton, open USB HID device
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|
155 |
|
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project skeleton, open USB HID device
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|
156 |
std::wcout << L"cadMousePro" << std::endl; |
6ff501639c23
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|
157 |
HIDDevice mouse(0x256f, 0xc652, nullptr); |
6ff501639c23
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|
158 |
std::wcout << L"mouse opened" << std::endl; |
1
29cbe171cd43
first working version: disables „free wheel“ a.k.a. „smart scrolling“ feature
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|
159 |
std::wcout << L"manufacturer: " << mouse.getManufacturerName() << std::endl; |
29cbe171cd43
first working version: disables „free wheel“ a.k.a. „smart scrolling“ feature
František Kučera <franta-hg@frantovo.cz>
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|
160 |
std::wcout << L"product: " << mouse.getProductName() << std::endl; |
29cbe171cd43
first working version: disables „free wheel“ a.k.a. „smart scrolling“ feature
František Kučera <franta-hg@frantovo.cz>
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|
161 |
// std::wcout << L"serial number: " << mouse.getSerialNumber() << std::endl; // throws exception |
29cbe171cd43
first working version: disables „free wheel“ a.k.a. „smart scrolling“ feature
František Kučera <franta-hg@frantovo.cz>
parents:
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|
162 |
|
4
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|
163 |
CadMouseConfig config; |
1
29cbe171cd43
first working version: disables „free wheel“ a.k.a. „smart scrolling“ feature
František Kučera <franta-hg@frantovo.cz>
parents:
0
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|
164 |
|
4
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František Kučera <franta-hg@frantovo.cz>
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|
165 |
mouse.sendFeatureReport(config.serialize()); |
1
29cbe171cd43
first working version: disables „free wheel“ a.k.a. „smart scrolling“ feature
František Kučera <franta-hg@frantovo.cz>
parents:
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|
166 |
|
4
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František Kučera <franta-hg@frantovo.cz>
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|
167 |
return 0; |
0
6ff501639c23
project skeleton, open USB HID device
František Kučera <franta-hg@frantovo.cz>
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|
168 |
} catch (const HIDException& e) { |
6ff501639c23
project skeleton, open USB HID device
František Kučera <franta-hg@frantovo.cz>
parents:
diff
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|
169 |
std::wcout << L"HIDException: " << e.getMessage() << std::endl; |
4
405aa9de65d2
CadMouseConfig class, frequency, lift-off detection, smart scrolling
František Kučera <franta-hg@frantovo.cz>
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|
170 |
return 1; |
0
6ff501639c23
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František Kučera <franta-hg@frantovo.cz>
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|
171 |
} |
4
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CadMouseConfig class, frequency, lift-off detection, smart scrolling
František Kučera <franta-hg@frantovo.cz>
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|
172 |
} |