| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <assert.h> |
| #include <stdio.h> |
| |
| #include <hid-parser/item.h> |
| |
| #include <unistd.h> |
| #include <unittest/unittest.h> |
| |
| namespace { |
| |
| const uint8_t acer12_touch_r_desc[] = { |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x04, // Usage (Touch Screen) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x01, // Report ID (1) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x06, // Report Size (6) |
| 0x09, 0x51, // Usage (0x51) |
| 0x25, 0x3F, // Logical Maximum (63) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x75, 0x08, // Report Size (8) |
| 0x09, 0x48, // Usage (0x48) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x09, 0x49, // Usage (0x49) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x01, // Report Count (1) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0xA4, // Push |
| 0x26, 0xD0, 0x0B, // Logical Maximum (3024) |
| 0x75, 0x10, // Report Size (16) |
| 0x55, 0x0F, // Unit Exponent (-1) |
| 0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter) |
| 0x09, 0x30, // Usage (X) |
| 0x35, 0x00, // Physical Minimum (0) |
| 0x46, 0xFE, 0x00, // Physical Maximum (254) |
| 0x95, 0x02, // Report Count (2) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0x10, 0x08, // Logical Maximum (2064) |
| 0x46, 0xA9, 0x00, // Physical Maximum (169) |
| 0x09, 0x31, // Usage (Y) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x06, // Report Size (6) |
| 0x09, 0x51, // Usage (0x51) |
| 0x25, 0x3F, // Logical Maximum (63) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x75, 0x08, // Report Size (8) |
| 0x09, 0x48, // Usage (0x48) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x09, 0x49, // Usage (0x49) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x01, // Report Count (1) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0xA4, // Push |
| 0x26, 0xD0, 0x0B, // Logical Maximum (3024) |
| 0x75, 0x10, // Report Size (16) |
| 0x55, 0x0F, // Unit Exponent (-1) |
| 0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter) |
| 0x09, 0x30, // Usage (X) |
| 0x35, 0x00, // Physical Minimum (0) |
| 0x46, 0xFE, 0x00, // Physical Maximum (254) |
| 0x95, 0x02, // Report Count (2) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0x10, 0x08, // Logical Maximum (2064) |
| 0x46, 0xA9, 0x00, // Physical Maximum (169) |
| 0x09, 0x31, // Usage (Y) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x06, // Report Size (6) |
| 0x09, 0x51, // Usage (0x51) |
| 0x25, 0x3F, // Logical Maximum (63) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x75, 0x08, // Report Size (8) |
| 0x09, 0x48, // Usage (0x48) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x09, 0x49, // Usage (0x49) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x01, // Report Count (1) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0xA4, // Push |
| 0x26, 0xD0, 0x0B, // Logical Maximum (3024) |
| 0x75, 0x10, // Report Size (16) |
| 0x55, 0x0F, // Unit Exponent (-1) |
| 0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter) |
| 0x09, 0x30, // Usage (X) |
| 0x35, 0x00, // Physical Minimum (0) |
| 0x46, 0xFE, 0x00, // Physical Maximum (254) |
| 0x95, 0x02, // Report Count (2) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0x10, 0x08, // Logical Maximum (2064) |
| 0x46, 0xA9, 0x00, // Physical Maximum (169) |
| 0x09, 0x31, // Usage (Y) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x06, // Report Size (6) |
| 0x09, 0x51, // Usage (0x51) |
| 0x25, 0x3F, // Logical Maximum (63) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x75, 0x08, // Report Size (8) |
| 0x09, 0x48, // Usage (0x48) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x09, 0x49, // Usage (0x49) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x01, // Report Count (1) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0xA4, // Push |
| 0x26, 0xD0, 0x0B, // Logical Maximum (3024) |
| 0x75, 0x10, // Report Size (16) |
| 0x55, 0x0F, // Unit Exponent (-1) |
| 0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter) |
| 0x09, 0x30, // Usage (X) |
| 0x35, 0x00, // Physical Minimum (0) |
| 0x46, 0xFE, 0x00, // Physical Maximum (254) |
| 0x95, 0x02, // Report Count (2) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0x10, 0x08, // Logical Maximum (2064) |
| 0x46, 0xA9, 0x00, // Physical Maximum (169) |
| 0x09, 0x31, // Usage (Y) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x06, // Report Size (6) |
| 0x09, 0x51, // Usage (0x51) |
| 0x25, 0x3F, // Logical Maximum (63) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x75, 0x08, // Report Size (8) |
| 0x09, 0x48, // Usage (0x48) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x09, 0x49, // Usage (0x49) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x01, // Report Count (1) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0xA4, // Push |
| 0x26, 0xD0, 0x0B, // Logical Maximum (3024) |
| 0x75, 0x10, // Report Size (16) |
| 0x55, 0x0F, // Unit Exponent (-1) |
| 0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter) |
| 0x09, 0x30, // Usage (X) |
| 0x35, 0x00, // Physical Minimum (0) |
| 0x46, 0xFE, 0x00, // Physical Maximum (254) |
| 0x95, 0x02, // Report Count (2) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0x10, 0x08, // Logical Maximum (2064) |
| 0x46, 0xA9, 0x00, // Physical Maximum (169) |
| 0x09, 0x31, // Usage (Y) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x56, // Usage (0x56) |
| 0x55, 0x00, // Unit Exponent (0) |
| 0x65, 0x00, // Unit (None) |
| 0x27, 0xFF, 0xFF, 0xFF, 0x7F, // Logical Maximum (2147483647) |
| 0x95, 0x01, // Report Count (1) |
| 0x75, 0x20, // Report Size (32) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x09, 0x54, // Usage (0x54) |
| 0x25, 0x7F, // Logical Maximum (127) |
| 0x95, 0x01, // Report Count (1) |
| 0x75, 0x08, // Report Size (8) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x85, 0x0A, // Report ID (10) |
| 0x09, 0x55, // Usage (0x55) |
| 0x25, 0x0A, // Logical Maximum (10) |
| 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x85, 0x0E, // Report ID (14) |
| 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00) |
| 0x09, 0xC5, // Usage (0xC5) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x75, 0x08, // Report Size (8) |
| 0x96, 0x00, 0x01, // Report Count (256) |
| 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0xC0, // End Collection |
| |
| // =========================================================================================== |
| |
| 0x06, 0xFF, 0x01, // Usage Page (Reserved 0x01FF) |
| 0x09, 0x01, // Usage (0x01) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x02, // Report ID (2) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x40, // Report Count (64) |
| 0x09, 0x00, // Usage (0x00) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xC0, // End Collection |
| 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00) |
| 0x09, 0x01, // Usage (0x01) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x03, // Report ID (3) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x20, // Report Count (32) |
| 0x09, 0x01, // Usage (0x01) |
| 0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0xC0, // End Collection |
| 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00) |
| 0x09, 0x01, // Usage (0x01) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x06, // Report ID (6) |
| 0x09, 0x03, // Usage (0x03) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x12, // Report Count (18) |
| 0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x09, 0x04, // Usage (0x04) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x03, // Report Count (3) |
| 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0xC0, // End Collection |
| 0x06, 0x01, 0xFF, // Usage Page (Vendor Defined 0xFF01) |
| 0x09, 0x01, // Usage (0x01) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x04, // Report ID (4) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x13, // Report Count (19) |
| 0x09, 0x00, // Usage (0x00) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x02, // Usage (Pen) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x07, // Report ID (7) |
| 0x35, 0x00, // Physical Minimum (0) |
| 0x09, 0x20, // Usage (Stylus) |
| 0xA1, 0x00, // Collection (Physical) |
| 0x09, 0x32, // Usage (In Range) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x09, 0x44, // Usage (Barrel Switch) |
| 0x09, 0x3C, // Usage (Invert) |
| 0x09, 0x45, // Usage (Eraser) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x05, // Report Count (5) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x03, // Report Count (3) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0x09, 0x30, // Usage (X) |
| 0x75, 0x10, // Report Size (16) |
| 0x95, 0x01, // Report Count (1) |
| 0xA4, // Push |
| 0x55, 0x0F, // Unit Exponent (-1) |
| 0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter) |
| 0x46, 0xFE, 0x00, // Physical Maximum (254) |
| 0x26, 0xC0, 0x0F, // Logical Maximum (4032) |
| 0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State) |
| 0x09, 0x31, // Usage (Y) |
| 0x46, 0xA9, 0x00, // Physical Maximum (169) |
| 0x26, 0xC0, 0x0A, // Logical Maximum (2752) |
| 0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State) |
| 0xB4, // Pop |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x30, // Usage (Tip Pressure) |
| 0x26, 0x00, 0x01, // Logical Maximum (256) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xC0, // End Collection |
| 0xC0, // End Collection |
| 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00) |
| 0x09, 0x01, // Usage (0x01) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x17, // Report ID (23) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x1F, // Report Count (31) |
| 0x09, 0x05, // Usage (0x05) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xC0, // End Collection |
| |
| // 660 bytes |
| }; |
| |
| struct Stats { |
| int input_count; |
| int collection[2]; |
| }; |
| |
| size_t ParseHIDReportDesc(const uint8_t* rpt_desc, size_t desc_len, Stats* stats) { |
| const uint8_t* buf = rpt_desc; |
| size_t len = desc_len; |
| while (len > 0) { |
| size_t actual = 0; |
| auto item = hid::Item::ReadNext(buf, len, &actual); |
| if ((actual > len) || (actual == 0)) |
| break; |
| |
| if (item.tag() == hid::Item::Tag::kEndCollection) |
| stats->collection[1]++; |
| else if (item.tag() == hid::Item::Tag::kCollection) |
| stats->collection[0]++; |
| |
| if (item.type() == hid::Item::Type::kMain && item.tag() == hid::Item::Tag::kInput) |
| stats->input_count++; |
| |
| len -= actual; |
| buf += actual; |
| } |
| |
| return (desc_len - len); |
| } |
| } // namespace. |
| |
| static bool parse_acer12_rpt1() { |
| BEGIN_TEST; |
| |
| Stats stats = {}; |
| auto len = sizeof(acer12_touch_r_desc); |
| auto consumed = ParseHIDReportDesc(acer12_touch_r_desc, len, &stats); |
| |
| ASSERT_EQ(consumed, len); |
| ASSERT_EQ(stats.input_count, 45); |
| ASSERT_EQ(stats.collection[0], 13); |
| ASSERT_EQ(stats.collection[1], 13); |
| |
| END_TEST; |
| } |
| |
| |
| BEGIN_TEST_CASE(hidparser_tests) |
| RUN_TEST(parse_acer12_rpt1) |
| END_TEST_CASE(hidparser_tests) |
| |
| int main(int argc, char** argv) { |
| bool success = unittest_run_all_tests(argc, argv); |
| return success ? 0 : -1; |
| } |
