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Diffstat (limited to 'tinyusb/examples/device/hid_composite/src/main.c')
m--------- | tinyusb | 0 | ||||
-rwxr-xr-x | tinyusb/examples/device/hid_composite/src/main.c | 302 |
2 files changed, 0 insertions, 302 deletions
diff --git a/tinyusb b/tinyusb new file mode 160000 +Subproject f8288be03f28ad7b944e6925f49422dfa39202c diff --git a/tinyusb/examples/device/hid_composite/src/main.c b/tinyusb/examples/device/hid_composite/src/main.c deleted file mode 100755 index fd25e620..00000000 --- a/tinyusb/examples/device/hid_composite/src/main.c +++ /dev/null @@ -1,302 +0,0 @@ -/* - * 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 -//--------------------------------------------------------------------+ - -static void send_hid_report(uint8_t report_id, uint32_t btn) -{ - // skip if hid is not ready yet - if ( !tud_hid_ready() ) return; - - switch(report_id) - { - case REPORT_ID_KEYBOARD: - { - // use to avoid send multiple consecutive zero report for keyboard - static bool has_keyboard_key = false; - - if ( btn ) - { - uint8_t keycode[6] = { 0 }; - keycode[0] = HID_KEY_A; - - tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, keycode); - has_keyboard_key = true; - }else - { - // send empty key report if previously has key pressed - if (has_keyboard_key) tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, NULL); - has_keyboard_key = false; - } - } - break; - - case REPORT_ID_MOUSE: - { - int8_t const delta = 5; - - // no button, right + down, no scroll, no pan - tud_hid_mouse_report(REPORT_ID_MOUSE, 0x00, delta, delta, 0, 0); - } - break; - - case REPORT_ID_CONSUMER_CONTROL: - { - // use to avoid send multiple consecutive zero report - static bool has_consumer_key = false; - - if ( btn ) - { - // volume down - uint16_t volume_down = HID_USAGE_CONSUMER_VOLUME_DECREMENT; - tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &volume_down, 2); - has_consumer_key = true; - }else - { - // send empty key report (release key) if previously has key pressed - uint16_t empty_key = 0; - if (has_consumer_key) tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &empty_key, 2); - has_consumer_key = false; - } - } - break; - - case REPORT_ID_GAMEPAD: - { - // use to avoid send multiple consecutive zero report for keyboard - static bool has_gamepad_key = false; - - hid_gamepad_report_t report = - { - .x = 0, .y = 0, .z = 0, .rz = 0, .rx = 0, .ry = 0, - .hat = 0, .buttons = 0 - }; - - if ( btn ) - { - report.hat = GAMEPAD_HAT_UP; - report.buttons = GAMEPAD_BUTTON_A; - tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report)); - - has_gamepad_key = true; - }else - { - report.hat = GAMEPAD_HAT_CENTERED; - report.buttons = 0; - if (has_gamepad_key) tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report)); - has_gamepad_key = false; - } - } - break; - - default: break; - } -} - -// 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(); - - // Remote wakeup - 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 - { - // Send the 1st of report chain, the rest will be sent by tud_hid_report_complete_cb() - send_hid_report(REPORT_ID_KEYBOARD, btn); - } -} - -// 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) len; - - uint8_t next_report_id = report[0] + 1; - - if (next_report_id < REPORT_ID_COUNT) - { - send_hid_report(next_report_id, board_button_read()); - } -} - -// 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) instance; - - if (report_type == HID_REPORT_TYPE_OUTPUT) - { - // Set keyboard LED e.g Capslock, Numlock etc... - if (report_id == REPORT_ID_KEYBOARD) - { - // 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 -} |