diff options
Diffstat (limited to 'tinyusb/examples/device/hid_boot_interface/src')
4 files changed, 581 insertions, 0 deletions
diff --git a/tinyusb/examples/device/hid_boot_interface/src/main.c b/tinyusb/examples/device/hid_boot_interface/src/main.c new file mode 100755 index 00000000..e5e2f685 --- /dev/null +++ b/tinyusb/examples/device/hid_boot_interface/src/main.c @@ -0,0 +1,255 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Ha Thach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "bsp/board.h" +#include "tusb.h" +#include "usb_descriptors.h" + +//--------------------------------------------------------------------+ +// MACRO CONSTANT TYPEDEF PROTYPES +//--------------------------------------------------------------------+ + +/* Blink pattern + * - 250 ms : device not mounted + * - 1000 ms : device mounted + * - 2500 ms : device is suspended + */ +enum { + BLINK_NOT_MOUNTED = 250, + BLINK_MOUNTED = 1000, + BLINK_SUSPENDED = 2500, +}; + +static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED; + +void led_blinking_task(void); +void hid_task(void); + +/*------------- MAIN -------------*/ +int main(void) +{ + board_init(); + tusb_init(); + + while (1) + { + tud_task(); // tinyusb device task + led_blinking_task(); + + hid_task(); + } + + return 0; +} + +//--------------------------------------------------------------------+ +// Device callbacks +//--------------------------------------------------------------------+ + +// Invoked when device is mounted +void tud_mount_cb(void) +{ + blink_interval_ms = BLINK_MOUNTED; +} + +// Invoked when device is unmounted +void tud_umount_cb(void) +{ + blink_interval_ms = BLINK_NOT_MOUNTED; +} + +// Invoked when usb bus is suspended +// remote_wakeup_en : if host allow us to perform remote wakeup +// Within 7ms, device must draw an average of current less than 2.5 mA from bus +void tud_suspend_cb(bool remote_wakeup_en) +{ + (void) remote_wakeup_en; + blink_interval_ms = BLINK_SUSPENDED; +} + +// Invoked when usb bus is resumed +void tud_resume_cb(void) +{ + blink_interval_ms = BLINK_MOUNTED; +} + +//--------------------------------------------------------------------+ +// USB HID +//--------------------------------------------------------------------+ + +// Every 10ms, we will sent 1 report for each HID profile (keyboard, mouse etc ..) +// tud_hid_report_complete_cb() is used to send the next report after previous one is complete +void hid_task(void) +{ + // Poll every 10ms + const uint32_t interval_ms = 10; + static uint32_t start_ms = 0; + + if ( board_millis() - start_ms < interval_ms) return; // not enough time + start_ms += interval_ms; + + uint32_t const btn = board_button_read(); + + if ( tud_suspended() && btn ) + { + // Wake up host if we are in suspend mode + // and REMOTE_WAKEUP feature is enabled by host + tud_remote_wakeup(); + } + else + { + // keyboard interface + if ( tud_hid_n_ready(ITF_NUM_KEYBOARD) ) + { + // used to avoid send multiple consecutive zero report for keyboard + static bool has_keyboard_key = false; + + uint8_t const report_id = 0; + uint8_t const modifier = 0; + + if ( btn ) + { + uint8_t keycode[6] = { 0 }; + keycode[0] = HID_KEY_ARROW_RIGHT; + + tud_hid_n_keyboard_report(ITF_NUM_KEYBOARD, report_id, modifier, keycode); + has_keyboard_key = true; + }else + { + // send empty key report if previously has key pressed + if (has_keyboard_key) tud_hid_n_keyboard_report(ITF_NUM_KEYBOARD, report_id, modifier, NULL); + has_keyboard_key = false; + } + } + + // mouse interface + if ( tud_hid_n_ready(ITF_NUM_MOUSE) ) + { + if ( btn ) + { + uint8_t const report_id = 0; + uint8_t const button_mask = 0; + uint8_t const veritical = 0; + uint8_t const horizontal = 0; + int8_t const delta = 5; + + tud_hid_n_mouse_report(ITF_NUM_MOUSE, report_id, button_mask, delta, delta, veritical, horizontal); + } + } + } +} + +// Invoked when received SET_PROTOCOL request +// protocol is either HID_PROTOCOL_BOOT (0) or HID_PROTOCOL_REPORT (1) +void tud_hid_set_protocol_cb(uint8_t instance, uint8_t protocol) +{ + (void) instance; + (void) protocol; + + // nothing to do since we use the same compatible boot report for both Boot and Report mode. + // TOOD set a indicator for user +} + +// Invoked when sent REPORT successfully to host +// Application can use this to send the next report +// Note: For composite reports, report[0] is report ID +void tud_hid_report_complete_cb(uint8_t instance, uint8_t const* report, uint8_t len) +{ + (void) instance; + (void) report; + (void) len; + + // nothing to do +} + +// Invoked when received GET_REPORT control request +// Application must fill buffer report's content and return its length. +// Return zero will cause the stack to STALL request +uint16_t tud_hid_get_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen) +{ + // TODO not Implemented + (void) instance; + (void) report_id; + (void) report_type; + (void) buffer; + (void) reqlen; + + return 0; +} + +// Invoked when received SET_REPORT control request or +// received data on OUT endpoint ( Report ID = 0, Type = 0 ) +void tud_hid_set_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize) +{ + (void) report_id; + + // keyboard interface + if (instance == ITF_NUM_KEYBOARD) + { + // Set keyboard LED e.g Capslock, Numlock etc... + if (report_type == HID_REPORT_TYPE_OUTPUT) + { + // bufsize should be (at least) 1 + if ( bufsize < 1 ) return; + + uint8_t const kbd_leds = buffer[0]; + + if (kbd_leds & KEYBOARD_LED_CAPSLOCK) + { + // Capslock On: disable blink, turn led on + blink_interval_ms = 0; + board_led_write(true); + }else + { + // Caplocks Off: back to normal blink + board_led_write(false); + blink_interval_ms = BLINK_MOUNTED; + } + } + } +} + +//--------------------------------------------------------------------+ +// BLINKING TASK +//--------------------------------------------------------------------+ +void led_blinking_task(void) +{ + static uint32_t start_ms = 0; + static bool led_state = false; + + // blink is disabled + if (!blink_interval_ms) return; + + // Blink every interval ms + if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time + start_ms += blink_interval_ms; + + board_led_write(led_state); + led_state = 1 - led_state; // toggle +} diff --git a/tinyusb/examples/device/hid_boot_interface/src/tusb_config.h b/tinyusb/examples/device/hid_boot_interface/src/tusb_config.h new file mode 100755 index 00000000..59fb9962 --- /dev/null +++ b/tinyusb/examples/device/hid_boot_interface/src/tusb_config.h @@ -0,0 +1,111 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Ha Thach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + */ + +#ifndef _TUSB_CONFIG_H_ +#define _TUSB_CONFIG_H_ + +#ifdef __cplusplus + extern "C" { +#endif + +//-------------------------------------------------------------------- +// COMMON CONFIGURATION +//-------------------------------------------------------------------- + +// defined by board.mk +#ifndef CFG_TUSB_MCU + #error CFG_TUSB_MCU must be defined +#endif + +// RHPort number used for device can be defined by board.mk, default to port 0 +#ifndef BOARD_DEVICE_RHPORT_NUM + #define BOARD_DEVICE_RHPORT_NUM 0 +#endif + +// RHPort max operational speed can defined by board.mk +// Default to Highspeed for MCU with internal HighSpeed PHY (can be port specific), otherwise FullSpeed +#ifndef BOARD_DEVICE_RHPORT_SPEED + #if (CFG_TUSB_MCU == OPT_MCU_LPC18XX || CFG_TUSB_MCU == OPT_MCU_LPC43XX || CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX || \ + CFG_TUSB_MCU == OPT_MCU_NUC505 || CFG_TUSB_MCU == OPT_MCU_CXD56 || CFG_TUSB_MCU == OPT_MCU_SAMX7X) + #define BOARD_DEVICE_RHPORT_SPEED OPT_MODE_HIGH_SPEED + #else + #define BOARD_DEVICE_RHPORT_SPEED OPT_MODE_FULL_SPEED + #endif +#endif + +// Device mode with rhport and speed defined by board.mk +#if BOARD_DEVICE_RHPORT_NUM == 0 + #define CFG_TUSB_RHPORT0_MODE (OPT_MODE_DEVICE | BOARD_DEVICE_RHPORT_SPEED) +#elif BOARD_DEVICE_RHPORT_NUM == 1 + #define CFG_TUSB_RHPORT1_MODE (OPT_MODE_DEVICE | BOARD_DEVICE_RHPORT_SPEED) +#else + #error "Incorrect RHPort configuration" +#endif + +#ifndef CFG_TUSB_OS +#define CFG_TUSB_OS OPT_OS_NONE +#endif + +// CFG_TUSB_DEBUG is defined by compiler in DEBUG build +// #define CFG_TUSB_DEBUG 0 + +/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment. + * Tinyusb use follows macros to declare transferring memory so that they can be put + * into those specific section. + * e.g + * - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") )) + * - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4))) + */ +#ifndef CFG_TUSB_MEM_SECTION +#define CFG_TUSB_MEM_SECTION +#endif + +#ifndef CFG_TUSB_MEM_ALIGN +#define CFG_TUSB_MEM_ALIGN __attribute__ ((aligned(4))) +#endif + +//-------------------------------------------------------------------- +// DEVICE CONFIGURATION +//-------------------------------------------------------------------- + +#ifndef CFG_TUD_ENDPOINT0_SIZE +#define CFG_TUD_ENDPOINT0_SIZE 64 +#endif + +//------------- CLASS -------------// +#define CFG_TUD_HID 2 // 1 for boot keyboard, 1 for boot mouse +#define CFG_TUD_CDC 0 +#define CFG_TUD_MSC 0 +#define CFG_TUD_MIDI 0 +#define CFG_TUD_VENDOR 0 + +// HID buffer size Should be sufficient to hold ID (if any) + Data +#define CFG_TUD_HID_EP_BUFSIZE 8 + +#ifdef __cplusplus + } +#endif + +#endif /* _TUSB_CONFIG_H_ */ diff --git a/tinyusb/examples/device/hid_boot_interface/src/usb_descriptors.c b/tinyusb/examples/device/hid_boot_interface/src/usb_descriptors.c new file mode 100755 index 00000000..3fa48d98 --- /dev/null +++ b/tinyusb/examples/device/hid_boot_interface/src/usb_descriptors.c @@ -0,0 +1,180 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Ha Thach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + */ + +#include "tusb.h" +#include "usb_descriptors.h" + +/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug. + * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC. + * + * Auto ProductID layout's Bitmap: + * [MSB] HID | MSC | CDC [LSB] + */ +#define _PID_MAP(itf, n) ( (CFG_TUD_##itf) << (n) ) +#define USB_PID (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \ + _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) ) + +//--------------------------------------------------------------------+ +// Device Descriptors +//--------------------------------------------------------------------+ +tusb_desc_device_t const desc_device = +{ + .bLength = sizeof(tusb_desc_device_t), + .bDescriptorType = TUSB_DESC_DEVICE, + .bcdUSB = 0x0200, + .bDeviceClass = 0x00, + .bDeviceSubClass = 0x00, + .bDeviceProtocol = 0x00, + .bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE, + + .idVendor = 0xCafe, + .idProduct = USB_PID, + .bcdDevice = 0x0100, + + .iManufacturer = 0x01, + .iProduct = 0x02, + .iSerialNumber = 0x03, + + .bNumConfigurations = 0x01 +}; + +// Invoked when received GET DEVICE DESCRIPTOR +// Application return pointer to descriptor +uint8_t const * tud_descriptor_device_cb(void) +{ + return (uint8_t const *) &desc_device; +} + +//--------------------------------------------------------------------+ +// HID Report Descriptor +//--------------------------------------------------------------------+ + +uint8_t const desc_hid_keyboard_report[] = +{ + TUD_HID_REPORT_DESC_KEYBOARD() +}; + +uint8_t const desc_hid_mouse_report[] = +{ + TUD_HID_REPORT_DESC_MOUSE() +}; + +// Invoked when received GET HID REPORT DESCRIPTOR +// Application return pointer to descriptor +// Descriptor contents must exist long enough for transfer to complete +uint8_t const * tud_hid_descriptor_report_cb(uint8_t instance) +{ + return (instance == 0) ? desc_hid_keyboard_report : desc_hid_mouse_report; +} + +//--------------------------------------------------------------------+ +// Configuration Descriptor +//--------------------------------------------------------------------+ + +#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + 2*TUD_HID_DESC_LEN) + +#if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX + // LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number + // 1 Interrupt, 2 Bulk, 3 Iso, 4 Interrupt, 5 Bulk etc ... + #define EPNUM_KEYBOARD 0x81 + #define EPNUM_MOUSE 0x84 +#else + #define EPNUM_KEYBOARD 0x81 + #define EPNUM_MOUSE 0x82 +#endif + +uint8_t const desc_configuration[] = +{ + // Config number, interface count, string index, total length, attribute, power in mA + TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100), + + // Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval + TUD_HID_DESCRIPTOR(ITF_NUM_KEYBOARD, 0, HID_ITF_PROTOCOL_KEYBOARD, sizeof(desc_hid_keyboard_report), EPNUM_KEYBOARD, CFG_TUD_HID_EP_BUFSIZE, 10), + + // Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval + TUD_HID_DESCRIPTOR(ITF_NUM_MOUSE, 0, HID_ITF_PROTOCOL_MOUSE, sizeof(desc_hid_mouse_report), EPNUM_MOUSE, CFG_TUD_HID_EP_BUFSIZE, 10) +}; + +// Invoked when received GET CONFIGURATION DESCRIPTOR +// Application return pointer to descriptor +// Descriptor contents must exist long enough for transfer to complete +uint8_t const * tud_descriptor_configuration_cb(uint8_t index) +{ + (void) index; // for multiple configurations + return desc_configuration; +} + +//--------------------------------------------------------------------+ +// String Descriptors +//--------------------------------------------------------------------+ + +// array of pointer to string descriptors +char const* string_desc_arr [] = +{ + (const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409) + "TinyUSB", // 1: Manufacturer + "TinyUSB Device", // 2: Product + "123456", // 3: Serials, should use chip ID +}; + +static uint16_t _desc_str[32]; + +// Invoked when received GET STRING DESCRIPTOR request +// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete +uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid) +{ + (void) langid; + + uint8_t chr_count; + + if ( index == 0) + { + memcpy(&_desc_str[1], string_desc_arr[0], 2); + chr_count = 1; + }else + { + // Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors. + // https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors + + if ( !(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])) ) return NULL; + + const char* str = string_desc_arr[index]; + + // Cap at max char + chr_count = strlen(str); + if ( chr_count > 31 ) chr_count = 31; + + // Convert ASCII string into UTF-16 + for(uint8_t i=0; i<chr_count; i++) + { + _desc_str[1+i] = str[i]; + } + } + + // first byte is length (including header), second byte is string type + _desc_str[0] = (TUSB_DESC_STRING << 8 ) | (2*chr_count + 2); + + return _desc_str; +} diff --git a/tinyusb/examples/device/hid_boot_interface/src/usb_descriptors.h b/tinyusb/examples/device/hid_boot_interface/src/usb_descriptors.h new file mode 100755 index 00000000..57cf0e2c --- /dev/null +++ b/tinyusb/examples/device/hid_boot_interface/src/usb_descriptors.h @@ -0,0 +1,35 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Ha Thach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef USB_DESCRIPTORS_H_ +#define USB_DESCRIPTORS_H_ + +enum +{ + ITF_NUM_KEYBOARD, + ITF_NUM_MOUSE, + ITF_NUM_TOTAL +}; + +#endif |