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qmk_firmware/quantum/os_detection/tests/os_detection.cpp
Stefan Kerkmann 3f9d464412
[Core] usb_device_state: consolidate usb state handling across implementations (#24258) 
* usb_device_state: add idle_rate, led and protocol

Previously all usb drivers and platform implementations (expect for our
oddball atsam) tracked the same two global variables:

- keyboard_protocol: to indicate if we are in report or boot protocol
- keyboard_idle: for the idle_rate of the keyboard endpoint

And a local variable that was exposed trough some indirection:

- keyboard_led_state: for the currently set indicator leds (caps lock etc.)

These have all been moved into the usb_device_state struct wich is
accessible by getters and setters.

This reduces code duplication and centralizes the state management
across platforms and drivers.

Signed-off-by: Stefan Kerkmann <karlk90@pm.me>

* usb_device_state: reset protocol on reset

The usb hid specification section 7.2.6 states:

When initialized, all devices default to report protocol. However the
host should not make any assumptions about the device’s state and should
set the desired protocol whenever initializing a device.

Thus on reset we should always do exactly that.

Signed-off-by: Stefan Kerkmann <karlk90@pm.me>

* keyboards: fix oversize warnings

Signed-off-by: Stefan Kerkmann <karlk90@pm.me>

---------

Signed-off-by: Stefan Kerkmann <karlk90@pm.me>
2024-10-18 09:57:08 +02:00

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/* Copyright 2022 Ruslan Sayfutdinov (@KapJI)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gtest/gtest.h"
extern "C" {
#include "os_detection.h"
#include "timer.h"
void advance_time(uint32_t ms);
}
static uint32_t reported_count;
static os_variant_t reported_os;
class OsDetectionTest : public ::testing::Test {
protected:
void SetUp() override {
erase_wlength_data();
reported_count = 0;
reported_os = OS_UNSURE;
}
};
os_variant_t check_sequence(const std::vector<uint16_t> &w_lengths) {
for (auto &w_length : w_lengths) {
process_wlength(w_length);
}
return detected_host_os();
}
bool process_detected_host_os_kb(os_variant_t os) {
reported_count = reported_count + 1;
reported_os = os;
return true;
}
void assert_not_reported(void) {
// check that it does not report the result, nor any intermediate results
EXPECT_EQ(reported_count, 0);
EXPECT_EQ(reported_os, OS_UNSURE);
}
void assert_reported(os_variant_t os) {
// check that it reports exclusively the result, not any intermediate results
EXPECT_EQ(reported_count, 1);
EXPECT_EQ(reported_os, os);
EXPECT_EQ(reported_os, detected_host_os());
}
/* Some collected data.
ChibiOS:
Windows 10: [FF, FF, 4, 24, 4, 24, 4, FF, 24, FF, 4, FF, 24, 4, 24, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A]
Windows 10 (another host): [FF, FF, 4, 24, 4, 24, 4, 24, 4, 24, 4, 24]
macOS 12.5: [2, 24, 2, 28, FF]
iOS/iPadOS 15.6: [2, 24, 2, 28]
Linux (including Android, Raspberry Pi and WebOS TV): [FF, FF, FF]
PS5: [2, 4, 2, 28, 2, 24]
Nintendo Switch: [82, FF, 40, 40, FF, 40, 40, FF, 40, 40, FF, 40, 40, FF, 40, 40]
Quest 2: [FF, FF, FF, FE, FF, FE, FF, FE, FF, FE, FF]
LUFA:
Windows 10 (first connect): [12, FF, FF, 4, 10, FF, FF, FF, 4, 10, 20A, 20A, 20A, 20A, 20A, 20A]
Windows 10 (subsequent connect): [FF, FF, 4, 10, FF, 4, FF, 10, FF, 20A, 20A, 20A, 20A, 20A, 20A]
Windows 10 (another host): [FF, FF, 4, 10, 4, 10]
macOS: [2, 10, 2, E, FF]
iOS/iPadOS: [2, 10, 2, E]
Linux: [FF, FF, FF]
PS5: [2, 4, 2, E, 2, 10]
Nintendo Switch: [82, FF, 40, 40, FF, 40, 40]
V-USB:
Windows 10: [FF, FF, 4, E, FF]
Windows 10 (another host): [FF, FF, 4, E, 4]
macOS: [2, E, 2, E, FF]
iOS/iPadOS: [2, E, 2, E]
Linux: [FF, FF, FF]
PS5: [2, 4, 2, E, 2]
Nintendo Switch: [82, FF, 40, 40]
Quest 2: [FF, FF, FF, FE]
Common parts:
Windows: [..., FF, FF, 4, ...]
macOS: [2, _, 2, _, FF]
iOS/iPadOS: [2, _, 2, _]
Linux: [FF, FF, FF]
PS5: [2, 4, 2, _, 2, ...]
Nintendo Switch: [82, FF, 40, 40, ...]
Quest 2: [FF, FF, FF, FE, ...]
*/
TEST_F(OsDetectionTest, TestLinux) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0xFF}), OS_LINUX);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestChibiosMacos) {
EXPECT_EQ(check_sequence({0x2, 0x24, 0x2, 0x28, 0xFF}), OS_MACOS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestLufaMacos) {
EXPECT_EQ(check_sequence({0x2, 0x10, 0x2, 0xE, 0xFF}), OS_MACOS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestVusbMacos) {
EXPECT_EQ(check_sequence({0x2, 0xE, 0x2, 0xE, 0xFF}), OS_MACOS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestChibiosIos) {
EXPECT_EQ(check_sequence({0x2, 0x24, 0x2, 0x28}), OS_IOS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestLufaIos) {
EXPECT_EQ(check_sequence({0x2, 0x10, 0x2, 0xE}), OS_IOS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestVusbIos) {
EXPECT_EQ(check_sequence({0x2, 0xE, 0x2, 0xE}), OS_IOS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestChibiosWindows10) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0x4, 0x24, 0x4, 0x24, 0x4, 0xFF, 0x24, 0xFF, 0x4, 0xFF, 0x24, 0x4, 0x24, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A}), OS_WINDOWS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestChibiosWindows10_2) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0x4, 0x24, 0x4, 0x24, 0x4, 0x24, 0x4, 0x24, 0x4, 0x24}), OS_WINDOWS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestLufaWindows10) {
EXPECT_EQ(check_sequence({0x12, 0xFF, 0xFF, 0x4, 0x10, 0xFF, 0xFF, 0xFF, 0x4, 0x10, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A}), OS_WINDOWS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestLufaWindows10_2) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0x4, 0x10, 0xFF, 0x4, 0xFF, 0x10, 0xFF, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A}), OS_WINDOWS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestLufaWindows10_3) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0x4, 0x10, 0x4, 0x10}), OS_WINDOWS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestVusbWindows10) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0x4, 0xE, 0xFF}), OS_WINDOWS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestVusbWindows10_2) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0x4, 0xE, 0x4}), OS_WINDOWS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestChibiosPs5) {
EXPECT_EQ(check_sequence({0x2, 0x4, 0x2, 0x28, 0x2, 0x24}), OS_LINUX);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestLufaPs5) {
EXPECT_EQ(check_sequence({0x2, 0x4, 0x2, 0xE, 0x2, 0x10}), OS_LINUX);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestVusbPs5) {
EXPECT_EQ(check_sequence({0x2, 0x4, 0x2, 0xE, 0x2}), OS_LINUX);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestChibiosNintendoSwitch) {
EXPECT_EQ(check_sequence({0x82, 0xFF, 0x40, 0x40, 0xFF, 0x40, 0x40, 0xFF, 0x40, 0x40, 0xFF, 0x40, 0x40, 0xFF, 0x40, 0x40}), OS_LINUX);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestLufaNintendoSwitch) {
EXPECT_EQ(check_sequence({0x82, 0xFF, 0x40, 0x40, 0xFF, 0x40, 0x40}), OS_LINUX);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestVusbNintendoSwitch) {
EXPECT_EQ(check_sequence({0x82, 0xFF, 0x40, 0x40}), OS_LINUX);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestChibiosQuest2) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFE, 0xFF, 0xFE, 0xFF, 0xFE, 0xFF}), OS_LINUX);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestVusbQuest2) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0xFF, 0xFE}), OS_LINUX);
os_detection_task();
assert_not_reported();
}
// Regression reported in https://github.com/qmk/qmk_firmware/pull/21777#issuecomment-1922815841
TEST_F(OsDetectionTest, TestDetectMacM1AsIOS) {
EXPECT_EQ(check_sequence({0x02, 0x32, 0x02, 0x24, 0x101, 0xFF}), OS_IOS);
os_detection_task();
assert_not_reported();
}
TEST_F(OsDetectionTest, TestDoNotReportIfUsbUnstable) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0xFF, 0xFE}), OS_LINUX);
os_detection_task();
assert_not_reported();
advance_time(OS_DETECTION_DEBOUNCE);
os_detection_task();
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_LINUX);
}
static struct usb_device_state usb_device_state_configured = {.configure_state = USB_DEVICE_STATE_CONFIGURED};
TEST_F(OsDetectionTest, TestReportAfterDebounce) {
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0xFF, 0xFE}), OS_LINUX);
os_detection_notify_usb_device_state_change(usb_device_state_configured);
os_detection_task();
assert_not_reported();
advance_time(1);
os_detection_task();
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_LINUX);
advance_time(OS_DETECTION_DEBOUNCE - 3);
os_detection_task();
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_LINUX);
advance_time(1);
os_detection_task();
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_LINUX);
// advancing the timer alone must not cause a report
advance_time(1);
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_LINUX);
// the task will cause a report
os_detection_task();
assert_reported(OS_LINUX);
EXPECT_EQ(detected_host_os(), OS_LINUX);
// check that it remains the same after a long time
advance_time(OS_DETECTION_DEBOUNCE * 15);
assert_reported(OS_LINUX);
EXPECT_EQ(detected_host_os(), OS_LINUX);
}
TEST_F(OsDetectionTest, TestReportAfterDebounceLongWait) {
EXPECT_EQ(check_sequence({0x12, 0xFF, 0xFF, 0x4, 0x10, 0xFF, 0xFF, 0xFF, 0x4, 0x10, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A}), OS_WINDOWS);
os_detection_notify_usb_device_state_change(usb_device_state_configured);
os_detection_task();
assert_not_reported();
advance_time(1);
os_detection_task();
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_WINDOWS);
// advancing the timer alone must not cause a report
advance_time(OS_DETECTION_DEBOUNCE * 15);
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_WINDOWS);
// the task will cause a report
os_detection_task();
assert_reported(OS_WINDOWS);
EXPECT_EQ(detected_host_os(), OS_WINDOWS);
// check that it remains the same after a long time
advance_time(OS_DETECTION_DEBOUNCE * 10);
os_detection_task();
assert_reported(OS_WINDOWS);
EXPECT_EQ(detected_host_os(), OS_WINDOWS);
}
TEST_F(OsDetectionTest, TestReportUnsure) {
EXPECT_EQ(check_sequence({0x12, 0xFF}), OS_UNSURE);
os_detection_notify_usb_device_state_change(usb_device_state_configured);
os_detection_task();
assert_not_reported();
advance_time(1);
os_detection_task();
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_UNSURE);
// advancing the timer alone must not cause a report
advance_time(OS_DETECTION_DEBOUNCE - 1);
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_UNSURE);
// the task will cause a report
os_detection_task();
assert_reported(OS_UNSURE);
EXPECT_EQ(detected_host_os(), OS_UNSURE);
// check that it remains the same after a long time
advance_time(OS_DETECTION_DEBOUNCE * 10);
os_detection_task();
assert_reported(OS_UNSURE);
EXPECT_EQ(detected_host_os(), OS_UNSURE);
}
TEST_F(OsDetectionTest, TestDoNotReportIntermediateResults) {
EXPECT_EQ(check_sequence({0x12, 0xFF}), OS_UNSURE);
os_detection_notify_usb_device_state_change(usb_device_state_configured);
os_detection_task();
assert_not_reported();
advance_time(OS_DETECTION_DEBOUNCE - 1);
os_detection_task();
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_UNSURE);
// at this stage, the final result has not been reached yet
EXPECT_EQ(check_sequence({0xFF}), OS_LINUX);
os_detection_notify_usb_device_state_change(usb_device_state_configured);
advance_time(OS_DETECTION_DEBOUNCE - 1);
os_detection_task();
assert_not_reported();
// the intermedite but yet unstable result is exposed through detected_host_os()
EXPECT_EQ(detected_host_os(), OS_LINUX);
// the remainder is processed
EXPECT_EQ(check_sequence({0x4, 0x10, 0xFF, 0xFF, 0xFF, 0x4, 0x10, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A, 0x20A}), OS_WINDOWS);
os_detection_notify_usb_device_state_change(usb_device_state_configured);
advance_time(OS_DETECTION_DEBOUNCE - 1);
os_detection_task();
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_WINDOWS);
// advancing the timer alone must not cause a report
advance_time(1);
assert_not_reported();
EXPECT_EQ(detected_host_os(), OS_WINDOWS);
// the task will cause a report
os_detection_task();
assert_reported(OS_WINDOWS);
EXPECT_EQ(detected_host_os(), OS_WINDOWS);
// check that it remains the same after a long time
advance_time(OS_DETECTION_DEBOUNCE * 10);
os_detection_task();
assert_reported(OS_WINDOWS);
EXPECT_EQ(detected_host_os(), OS_WINDOWS);
}
TEST_F(OsDetectionTest, TestDoNotGoBackToUnsure) {
// 0x02 would cause it to go back to Unsure, so check that it does not
EXPECT_EQ(check_sequence({0xFF, 0xFF, 0xFF, 0xFE, 0x02}), OS_LINUX);
os_detection_task();
assert_not_reported();
}
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