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drivers/usb/source/USBKeyboard.cpp
605 строк
19 KB
Evelyne Donnaes
Moved USB drivers under drivers/usb
12 ноя 2020, 17:57
12 ноя 2020, 17:57
9964212
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/* * Copyright (c) 2018-2019, Arm Limited and affiliates. * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "stdint.h" #include "USBKeyboard.h" #include "usb_phy_api.h" #define REPORT_ID_KEYBOARD 1 #define REPORT_ID_VOLUME 3 typedef struct { unsigned char usage; unsigned char modifier; } KEYMAP; #ifdef US_KEYBOARD /* US keyboard (as HID standard) */ #define KEYMAP_SIZE (152) const KEYMAP keymap[KEYMAP_SIZE] = { {0, 0}, /* NUL */ {0, 0}, /* SOH */ {0, 0}, /* STX */ {0, 0}, /* ETX */ {0, 0}, /* EOT */ {0, 0}, /* ENQ */ {0, 0}, /* ACK */ {0, 0}, /* BEL */ {0x2a, 0}, /* BS */ /* Keyboard Delete (Backspace) */ {0x2b, 0}, /* TAB */ /* Keyboard Tab */ {0x28, 0}, /* LF */ /* Keyboard Return (Enter) */ {0, 0}, /* VT */ {0, 0}, /* FF */ {0, 0}, /* CR */ {0, 0}, /* SO */ {0, 0}, /* SI */ {0, 0}, /* DEL */ {0, 0}, /* DC1 */ {0, 0}, /* DC2 */ {0, 0}, /* DC3 */ {0, 0}, /* DC4 */ {0, 0}, /* NAK */ {0, 0}, /* SYN */ {0, 0}, /* ETB */ {0, 0}, /* CAN */ {0, 0}, /* EM */ {0, 0}, /* SUB */ {0, 0}, /* ESC */ {0, 0}, /* FS */ {0, 0}, /* GS */ {0, 0}, /* RS */ {0, 0}, /* US */ {0x2c, 0}, /* */ {0x1e, KEY_SHIFT}, /* ! */ {0x34, KEY_SHIFT}, /* " */ {0x20, KEY_SHIFT}, /* # */ {0x21, KEY_SHIFT}, /* $ */ {0x22, KEY_SHIFT}, /* % */ {0x24, KEY_SHIFT}, /* & */ {0x34, 0}, /* ' */ {0x26, KEY_SHIFT}, /* ( */ {0x27, KEY_SHIFT}, /* ) */ {0x25, KEY_SHIFT}, /* * */ {0x2e, KEY_SHIFT}, /* + */ {0x36, 0}, /* , */ {0x2d, 0}, /* - */ {0x37, 0}, /* . */ {0x38, 0}, /* / */ {0x27, 0}, /* 0 */ {0x1e, 0}, /* 1 */ {0x1f, 0}, /* 2 */ {0x20, 0}, /* 3 */ {0x21, 0}, /* 4 */ {0x22, 0}, /* 5 */ {0x23, 0}, /* 6 */ {0x24, 0}, /* 7 */ {0x25, 0}, /* 8 */ {0x26, 0}, /* 9 */ {0x33, KEY_SHIFT}, /* : */ {0x33, 0}, /* ; */ {0x36, KEY_SHIFT}, /* < */ {0x2e, 0}, /* = */ {0x37, KEY_SHIFT}, /* > */ {0x38, KEY_SHIFT}, /* ? */ {0x1f, KEY_SHIFT}, /* @ */ {0x04, KEY_SHIFT}, /* A */ {0x05, KEY_SHIFT}, /* B */ {0x06, KEY_SHIFT}, /* C */ {0x07, KEY_SHIFT}, /* D */ {0x08, KEY_SHIFT}, /* E */ {0x09, KEY_SHIFT}, /* F */ {0x0a, KEY_SHIFT}, /* G */ {0x0b, KEY_SHIFT}, /* H */ {0x0c, KEY_SHIFT}, /* I */ {0x0d, KEY_SHIFT}, /* J */ {0x0e, KEY_SHIFT}, /* K */ {0x0f, KEY_SHIFT}, /* L */ {0x10, KEY_SHIFT}, /* M */ {0x11, KEY_SHIFT}, /* N */ {0x12, KEY_SHIFT}, /* O */ {0x13, KEY_SHIFT}, /* P */ {0x14, KEY_SHIFT}, /* Q */ {0x15, KEY_SHIFT}, /* R */ {0x16, KEY_SHIFT}, /* S */ {0x17, KEY_SHIFT}, /* T */ {0x18, KEY_SHIFT}, /* U */ {0x19, KEY_SHIFT}, /* V */ {0x1a, KEY_SHIFT}, /* W */ {0x1b, KEY_SHIFT}, /* X */ {0x1c, KEY_SHIFT}, /* Y */ {0x1d, KEY_SHIFT}, /* Z */ {0x2f, 0}, /* [ */ {0x31, 0}, /* \ */ {0x30, 0}, /* ] */ {0x23, KEY_SHIFT}, /* ^ */ {0x2d, KEY_SHIFT}, /* _ */ {0x35, 0}, /* ` */ {0x04, 0}, /* a */ {0x05, 0}, /* b */ {0x06, 0}, /* c */ {0x07, 0}, /* d */ {0x08, 0}, /* e */ {0x09, 0}, /* f */ {0x0a, 0}, /* g */ {0x0b, 0}, /* h */ {0x0c, 0}, /* i */ {0x0d, 0}, /* j */ {0x0e, 0}, /* k */ {0x0f, 0}, /* l */ {0x10, 0}, /* m */ {0x11, 0}, /* n */ {0x12, 0}, /* o */ {0x13, 0}, /* p */ {0x14, 0}, /* q */ {0x15, 0}, /* r */ {0x16, 0}, /* s */ {0x17, 0}, /* t */ {0x18, 0}, /* u */ {0x19, 0}, /* v */ {0x1a, 0}, /* w */ {0x1b, 0}, /* x */ {0x1c, 0}, /* y */ {0x1d, 0}, /* z */ {0x2f, KEY_SHIFT}, /* { */ {0x31, KEY_SHIFT}, /* | */ {0x30, KEY_SHIFT}, /* } */ {0x35, KEY_SHIFT}, /* ~ */ {0, 0}, /* DEL */ {0x3a, 0}, /* F1 */ {0x3b, 0}, /* F2 */ {0x3c, 0}, /* F3 */ {0x3d, 0}, /* F4 */ {0x3e, 0}, /* F5 */ {0x3f, 0}, /* F6 */ {0x40, 0}, /* F7 */ {0x41, 0}, /* F8 */ {0x42, 0}, /* F9 */ {0x43, 0}, /* F10 */ {0x44, 0}, /* F11 */ {0x45, 0}, /* F12 */ {0x46, 0}, /* PRINT_SCREEN */ {0x47, 0}, /* SCROLL_LOCK */ {0x39, 0}, /* CAPS_LOCK */ {0x53, 0}, /* NUM_LOCK */ {0x49, 0}, /* INSERT */ {0x4a, 0}, /* HOME */ {0x4b, 0}, /* PAGE_UP */ {0x4e, 0}, /* PAGE_DOWN */ {0x4f, 0}, /* RIGHT_ARROW */ {0x50, 0}, /* LEFT_ARROW */ {0x51, 0}, /* DOWN_ARROW */ {0x52, 0}, /* UP_ARROW */ }; #else /* UK keyboard */ #define KEYMAP_SIZE (152) const KEYMAP keymap[KEYMAP_SIZE] = { {0, 0}, /* NUL */ {0, 0}, /* SOH */ {0, 0}, /* STX */ {0, 0}, /* ETX */ {0, 0}, /* EOT */ {0, 0}, /* ENQ */ {0, 0}, /* ACK */ {0, 0}, /* BEL */ {0x2a, 0}, /* BS */ /* Keyboard Delete (Backspace) */ {0x2b, 0}, /* TAB */ /* Keyboard Tab */ {0x28, 0}, /* LF */ /* Keyboard Return (Enter) */ {0, 0}, /* VT */ {0, 0}, /* FF */ {0, 0}, /* CR */ {0, 0}, /* SO */ {0, 0}, /* SI */ {0, 0}, /* DEL */ {0, 0}, /* DC1 */ {0, 0}, /* DC2 */ {0, 0}, /* DC3 */ {0, 0}, /* DC4 */ {0, 0}, /* NAK */ {0, 0}, /* SYN */ {0, 0}, /* ETB */ {0, 0}, /* CAN */ {0, 0}, /* EM */ {0, 0}, /* SUB */ {0, 0}, /* ESC */ {0, 0}, /* FS */ {0, 0}, /* GS */ {0, 0}, /* RS */ {0, 0}, /* US */ {0x2c, 0}, /* */ {0x1e, KEY_SHIFT}, /* ! */ {0x1f, KEY_SHIFT}, /* " */ {0x32, 0}, /* # */ {0x21, KEY_SHIFT}, /* $ */ {0x22, KEY_SHIFT}, /* % */ {0x24, KEY_SHIFT}, /* & */ {0x34, 0}, /* ' */ {0x26, KEY_SHIFT}, /* ( */ {0x27, KEY_SHIFT}, /* ) */ {0x25, KEY_SHIFT}, /* * */ {0x2e, KEY_SHIFT}, /* + */ {0x36, 0}, /* , */ {0x2d, 0}, /* - */ {0x37, 0}, /* . */ {0x38, 0}, /* / */ {0x27, 0}, /* 0 */ {0x1e, 0}, /* 1 */ {0x1f, 0}, /* 2 */ {0x20, 0}, /* 3 */ {0x21, 0}, /* 4 */ {0x22, 0}, /* 5 */ {0x23, 0}, /* 6 */ {0x24, 0}, /* 7 */ {0x25, 0}, /* 8 */ {0x26, 0}, /* 9 */ {0x33, KEY_SHIFT}, /* : */ {0x33, 0}, /* ; */ {0x36, KEY_SHIFT}, /* < */ {0x2e, 0}, /* = */ {0x37, KEY_SHIFT}, /* > */ {0x38, KEY_SHIFT}, /* ? */ {0x34, KEY_SHIFT}, /* @ */ {0x04, KEY_SHIFT}, /* A */ {0x05, KEY_SHIFT}, /* B */ {0x06, KEY_SHIFT}, /* C */ {0x07, KEY_SHIFT}, /* D */ {0x08, KEY_SHIFT}, /* E */ {0x09, KEY_SHIFT}, /* F */ {0x0a, KEY_SHIFT}, /* G */ {0x0b, KEY_SHIFT}, /* H */ {0x0c, KEY_SHIFT}, /* I */ {0x0d, KEY_SHIFT}, /* J */ {0x0e, KEY_SHIFT}, /* K */ {0x0f, KEY_SHIFT}, /* L */ {0x10, KEY_SHIFT}, /* M */ {0x11, KEY_SHIFT}, /* N */ {0x12, KEY_SHIFT}, /* O */ {0x13, KEY_SHIFT}, /* P */ {0x14, KEY_SHIFT}, /* Q */ {0x15, KEY_SHIFT}, /* R */ {0x16, KEY_SHIFT}, /* S */ {0x17, KEY_SHIFT}, /* T */ {0x18, KEY_SHIFT}, /* U */ {0x19, KEY_SHIFT}, /* V */ {0x1a, KEY_SHIFT}, /* W */ {0x1b, KEY_SHIFT}, /* X */ {0x1c, KEY_SHIFT}, /* Y */ {0x1d, KEY_SHIFT}, /* Z */ {0x2f, 0}, /* [ */ {0x64, 0}, /* \ */ {0x30, 0}, /* ] */ {0x23, KEY_SHIFT}, /* ^ */ {0x2d, KEY_SHIFT}, /* _ */ {0x35, 0}, /* ` */ {0x04, 0}, /* a */ {0x05, 0}, /* b */ {0x06, 0}, /* c */ {0x07, 0}, /* d */ {0x08, 0}, /* e */ {0x09, 0}, /* f */ {0x0a, 0}, /* g */ {0x0b, 0}, /* h */ {0x0c, 0}, /* i */ {0x0d, 0}, /* j */ {0x0e, 0}, /* k */ {0x0f, 0}, /* l */ {0x10, 0}, /* m */ {0x11, 0}, /* n */ {0x12, 0}, /* o */ {0x13, 0}, /* p */ {0x14, 0}, /* q */ {0x15, 0}, /* r */ {0x16, 0}, /* s */ {0x17, 0}, /* t */ {0x18, 0}, /* u */ {0x19, 0}, /* v */ {0x1a, 0}, /* w */ {0x1b, 0}, /* x */ {0x1c, 0}, /* y */ {0x1d, 0}, /* z */ {0x2f, KEY_SHIFT}, /* { */ {0x64, KEY_SHIFT}, /* | */ {0x30, KEY_SHIFT}, /* } */ {0x32, KEY_SHIFT}, /* ~ */ {0, 0}, /* DEL */ {0x3a, 0}, /* F1 */ {0x3b, 0}, /* F2 */ {0x3c, 0}, /* F3 */ {0x3d, 0}, /* F4 */ {0x3e, 0}, /* F5 */ {0x3f, 0}, /* F6 */ {0x40, 0}, /* F7 */ {0x41, 0}, /* F8 */ {0x42, 0}, /* F9 */ {0x43, 0}, /* F10 */ {0x44, 0}, /* F11 */ {0x45, 0}, /* F12 */ {0x46, 0}, /* PRINT_SCREEN */ {0x47, 0}, /* SCROLL_LOCK */ {0x39, 0}, /* CAPS_LOCK */ {0x53, 0}, /* NUM_LOCK */ {0x49, 0}, /* INSERT */ {0x4a, 0}, /* HOME */ {0x4b, 0}, /* PAGE_UP */ {0x4e, 0}, /* PAGE_DOWN */ {0x4f, 0}, /* RIGHT_ARROW */ {0x50, 0}, /* LEFT_ARROW */ {0x51, 0}, /* DOWN_ARROW */ {0x52, 0}, /* UP_ARROW */ }; #endif USBKeyboard::USBKeyboard(bool connect, uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBHID(get_usb_phy(), 0, 0, vendor_id, product_id, product_release) { _lock_status = 0; if (connect) { USBDevice::connect(); wait_ready(); } else { init(); } } USBKeyboard::USBKeyboard(USBPhy *phy, uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBHID(phy, 0, 0, vendor_id, product_id, product_release) { _lock_status = 0; // User or child responsible for calling connect or init } USBKeyboard::~USBKeyboard() { deinit(); } const uint8_t *USBKeyboard::report_desc() { static const uint8_t reportDescriptor[] = { USAGE_PAGE(1), 0x01, // Generic Desktop USAGE(1), 0x06, // Keyboard COLLECTION(1), 0x01, // Application REPORT_ID(1), REPORT_ID_KEYBOARD, USAGE_PAGE(1), 0x07, // Key Codes USAGE_MINIMUM(1), 0xE0, USAGE_MAXIMUM(1), 0xE7, LOGICAL_MINIMUM(1), 0x00, LOGICAL_MAXIMUM(1), 0x01, REPORT_SIZE(1), 0x01, REPORT_COUNT(1), 0x08, INPUT(1), 0x02, // Data, Variable, Absolute REPORT_COUNT(1), 0x01, REPORT_SIZE(1), 0x08, INPUT(1), 0x01, // Constant REPORT_COUNT(1), 0x05, REPORT_SIZE(1), 0x01, USAGE_PAGE(1), 0x08, // LEDs USAGE_MINIMUM(1), 0x01, USAGE_MAXIMUM(1), 0x05, OUTPUT(1), 0x02, // Data, Variable, Absolute REPORT_COUNT(1), 0x01, REPORT_SIZE(1), 0x03, OUTPUT(1), 0x01, // Constant REPORT_COUNT(1), 0x06, REPORT_SIZE(1), 0x08, LOGICAL_MINIMUM(1), 0x00, LOGICAL_MAXIMUM(1), 0x65, USAGE_PAGE(1), 0x07, // Key Codes USAGE_MINIMUM(1), 0x00, USAGE_MAXIMUM(1), 0x65, INPUT(1), 0x00, // Data, Array END_COLLECTION(0), // Media Control USAGE_PAGE(1), 0x0C, USAGE(1), 0x01, COLLECTION(1), 0x01, REPORT_ID(1), REPORT_ID_VOLUME, USAGE_PAGE(1), 0x0C, LOGICAL_MINIMUM(1), 0x00, LOGICAL_MAXIMUM(1), 0x01, REPORT_SIZE(1), 0x01, REPORT_COUNT(1), 0x07, USAGE(1), 0xB5, // Next Track USAGE(1), 0xB6, // Previous Track USAGE(1), 0xB7, // Stop USAGE(1), 0xCD, // Play / Pause USAGE(1), 0xE2, // Mute USAGE(1), 0xE9, // Volume Up USAGE(1), 0xEA, // Volume Down INPUT(1), 0x02, // Input (Data, Variable, Absolute) REPORT_COUNT(1), 0x01, INPUT(1), 0x01, END_COLLECTION(0), }; reportLength = sizeof(reportDescriptor); return reportDescriptor; } void USBKeyboard::report_rx() { assert_locked(); HID_REPORT report; read_nb(&report); // we take [1] because [0] is the report ID _lock_status = report.data[1] & 0x07; } uint8_t USBKeyboard::lock_status() { return _lock_status; } int USBKeyboard::_putc(int c) { return key_code(c, keymap[c].modifier); } bool USBKeyboard::key_code(uint8_t key, uint8_t modifier) { _mutex.lock(); // Send a simulated keyboard keypress. Returns true if successful. HID_REPORT report; report.data[0] = REPORT_ID_KEYBOARD; report.data[1] = modifier; report.data[2] = 0; report.data[3] = keymap[key].usage; report.data[4] = 0; report.data[5] = 0; report.data[6] = 0; report.data[7] = 0; report.data[8] = 0; report.length = 9; if (!send(&report)) { _mutex.unlock(); return false; } report.data[1] = 0; report.data[3] = 0; if (!send(&report)) { _mutex.unlock(); return false; } _mutex.unlock(); return true; } bool USBKeyboard::media_control(MEDIA_KEY key) { _mutex.lock(); HID_REPORT report; report.data[0] = REPORT_ID_VOLUME; report.data[1] = (1 << key) & 0x7f; report.length = 2; if (!send(&report)) { _mutex.unlock(); return false; } report.data[0] = REPORT_ID_VOLUME; report.data[1] = 0; report.length = 2; if (!send(&report)) { _mutex.unlock(); return false; } _mutex.unlock(); return true; } #define DEFAULT_CONFIGURATION (1) #define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ + (1 * INTERFACE_DESCRIPTOR_LENGTH) \ + (1 * HID_DESCRIPTOR_LENGTH) \ + (2 * ENDPOINT_DESCRIPTOR_LENGTH)) const uint8_t *USBKeyboard::configuration_desc(uint8_t index) { if (index != 0) { return NULL; } uint8_t configuration_descriptor_temp[] = { CONFIGURATION_DESCRIPTOR_LENGTH, // bLength CONFIGURATION_DESCRIPTOR, // bDescriptorType LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB) MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB) 0x01, // bNumInterfaces DEFAULT_CONFIGURATION, // bConfigurationValue 0x00, // iConfiguration C_RESERVED | C_SELF_POWERED, // bmAttributes C_POWER(0), // bMaxPower INTERFACE_DESCRIPTOR_LENGTH, // bLength INTERFACE_DESCRIPTOR, // bDescriptorType 0x00, // bInterfaceNumber 0x00, // bAlternateSetting 0x02, // bNumEndpoints HID_CLASS, // bInterfaceClass HID_SUBCLASS_BOOT, // bInterfaceSubClass HID_PROTOCOL_KEYBOARD, // bInterfaceProtocol 0x00, // iInterface HID_DESCRIPTOR_LENGTH, // bLength HID_DESCRIPTOR, // bDescriptorType LSB(HID_VERSION_1_11), // bcdHID (LSB) MSB(HID_VERSION_1_11), // bcdHID (MSB) 0x00, // bCountryCode 0x01, // bNumDescriptors REPORT_DESCRIPTOR, // bDescriptorType (uint8_t)(LSB(report_desc_length())), // wDescriptorLength (LSB) (uint8_t)(MSB(report_desc_length())), // wDescriptorLength (MSB) ENDPOINT_DESCRIPTOR_LENGTH, // bLength ENDPOINT_DESCRIPTOR, // bDescriptorType _int_in, // bEndpointAddress E_INTERRUPT, // bmAttributes LSB(MAX_HID_REPORT_SIZE), // wMaxPacketSize (LSB) MSB(MAX_HID_REPORT_SIZE), // wMaxPacketSize (MSB) 1, // bInterval (milliseconds) ENDPOINT_DESCRIPTOR_LENGTH, // bLength ENDPOINT_DESCRIPTOR, // bDescriptorType _int_out, // bEndpointAddress E_INTERRUPT, // bmAttributes LSB(MAX_HID_REPORT_SIZE), // wMaxPacketSize (LSB) MSB(MAX_HID_REPORT_SIZE), // wMaxPacketSize (MSB) 1, // bInterval (milliseconds) }; MBED_ASSERT(sizeof(configuration_descriptor_temp) == sizeof(_configuration_descriptor)); memcpy(_configuration_descriptor, configuration_descriptor_temp, sizeof(_configuration_descriptor)); return _configuration_descriptor; } int USBKeyboard::_getc() { return -1; }