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Diffstat (limited to 'tinyusb/examples/host/cdc_msc_hid/src/hid_app.c')
m--------- | tinyusb | 0 | ||||
-rwxr-xr-x | tinyusb/examples/host/cdc_msc_hid/src/hid_app.c | 296 |
2 files changed, 0 insertions, 296 deletions
diff --git a/tinyusb b/tinyusb new file mode 160000 +Subproject f8288be03f28ad7b944e6925f49422dfa39202c diff --git a/tinyusb/examples/host/cdc_msc_hid/src/hid_app.c b/tinyusb/examples/host/cdc_msc_hid/src/hid_app.c deleted file mode 100755 index 11437c2b..00000000 --- a/tinyusb/examples/host/cdc_msc_hid/src/hid_app.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2021, 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 "bsp/board.h" -#include "tusb.h" - -//--------------------------------------------------------------------+ -// MACRO TYPEDEF CONSTANT ENUM DECLARATION -//--------------------------------------------------------------------+ - -// If your host terminal support ansi escape code such as TeraTerm -// it can be use to simulate mouse cursor movement within terminal -#define USE_ANSI_ESCAPE 0 - -#define MAX_REPORT 4 - -static uint8_t const keycode2ascii[128][2] = { HID_KEYCODE_TO_ASCII }; - -// Each HID instance can has multiple reports -static struct -{ - uint8_t report_count; - tuh_hid_report_info_t report_info[MAX_REPORT]; -}hid_info[CFG_TUH_HID]; - -static void process_kbd_report(hid_keyboard_report_t const *report); -static void process_mouse_report(hid_mouse_report_t const * report); -static void process_generic_report(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len); - -void hid_app_task(void) -{ - // nothing to do -} - -//--------------------------------------------------------------------+ -// TinyUSB Callbacks -//--------------------------------------------------------------------+ - -// Invoked when device with hid interface is mounted -// Report descriptor is also available for use. tuh_hid_parse_report_descriptor() -// can be used to parse common/simple enough descriptor. -// Note: if report descriptor length > CFG_TUH_ENUMERATION_BUFSIZE, it will be skipped -// therefore report_desc = NULL, desc_len = 0 -void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* desc_report, uint16_t desc_len) -{ - printf("HID device address = %d, instance = %d is mounted\r\n", dev_addr, instance); - - // Interface protocol (hid_interface_protocol_enum_t) - const char* protocol_str[] = { "None", "Keyboard", "Mouse" }; - uint8_t const itf_protocol = tuh_hid_interface_protocol(dev_addr, instance); - - printf("HID Interface Protocol = %s\r\n", protocol_str[itf_protocol]); - - // By default host stack will use activate boot protocol on supported interface. - // Therefore for this simple example, we only need to parse generic report descriptor (with built-in parser) - if ( itf_protocol == HID_ITF_PROTOCOL_NONE ) - { - hid_info[instance].report_count = tuh_hid_parse_report_descriptor(hid_info[instance].report_info, MAX_REPORT, desc_report, desc_len); - printf("HID has %u reports \r\n", hid_info[instance].report_count); - } - - // request to receive report - // tuh_hid_report_received_cb() will be invoked when report is available - if ( !tuh_hid_receive_report(dev_addr, instance) ) - { - printf("Error: cannot request to receive report\r\n"); - } -} - -// Invoked when device with hid interface is un-mounted -void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t instance) -{ - printf("HID device address = %d, instance = %d is unmounted\r\n", dev_addr, instance); -} - -// Invoked when received report from device via interrupt endpoint -void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len) -{ - uint8_t const itf_protocol = tuh_hid_interface_protocol(dev_addr, instance); - - switch (itf_protocol) - { - case HID_ITF_PROTOCOL_KEYBOARD: - TU_LOG2("HID receive boot keyboard report\r\n"); - process_kbd_report( (hid_keyboard_report_t const*) report ); - break; - - case HID_ITF_PROTOCOL_MOUSE: - TU_LOG2("HID receive boot mouse report\r\n"); - process_mouse_report( (hid_mouse_report_t const*) report ); - break; - - default: - // Generic report requires matching ReportID and contents with previous parsed report info - process_generic_report(dev_addr, instance, report, len); - break; - } - - // continue to request to receive report - if ( !tuh_hid_receive_report(dev_addr, instance) ) - { - printf("Error: cannot request to receive report\r\n"); - } -} - -//--------------------------------------------------------------------+ -// Keyboard -//--------------------------------------------------------------------+ - -// look up new key in previous keys -static inline bool find_key_in_report(hid_keyboard_report_t const *report, uint8_t keycode) -{ - for(uint8_t i=0; i<6; i++) - { - if (report->keycode[i] == keycode) return true; - } - - return false; -} - -static void process_kbd_report(hid_keyboard_report_t const *report) -{ - static hid_keyboard_report_t prev_report = { 0, 0, {0} }; // previous report to check key released - - //------------- example code ignore control (non-printable) key affects -------------// - for(uint8_t i=0; i<6; i++) - { - if ( report->keycode[i] ) - { - if ( find_key_in_report(&prev_report, report->keycode[i]) ) - { - // exist in previous report means the current key is holding - }else - { - // not existed in previous report means the current key is pressed - bool const is_shift = report->modifier & (KEYBOARD_MODIFIER_LEFTSHIFT | KEYBOARD_MODIFIER_RIGHTSHIFT); - uint8_t ch = keycode2ascii[report->keycode[i]][is_shift ? 1 : 0]; - putchar(ch); - if ( ch == '\r' ) putchar('\n'); // added new line for enter key - - fflush(stdout); // flush right away, else nanolib will wait for newline - } - } - // TODO example skips key released - } - - prev_report = *report; -} - -//--------------------------------------------------------------------+ -// Mouse -//--------------------------------------------------------------------+ - -void cursor_movement(int8_t x, int8_t y, int8_t wheel) -{ -#if USE_ANSI_ESCAPE - // Move X using ansi escape - if ( x < 0) - { - printf(ANSI_CURSOR_BACKWARD(%d), (-x)); // move left - }else if ( x > 0) - { - printf(ANSI_CURSOR_FORWARD(%d), x); // move right - } - - // Move Y using ansi escape - if ( y < 0) - { - printf(ANSI_CURSOR_UP(%d), (-y)); // move up - }else if ( y > 0) - { - printf(ANSI_CURSOR_DOWN(%d), y); // move down - } - - // Scroll using ansi escape - if (wheel < 0) - { - printf(ANSI_SCROLL_UP(%d), (-wheel)); // scroll up - }else if (wheel > 0) - { - printf(ANSI_SCROLL_DOWN(%d), wheel); // scroll down - } - - printf("\r\n"); -#else - printf("(%d %d %d)\r\n", x, y, wheel); -#endif -} - -static void process_mouse_report(hid_mouse_report_t const * report) -{ - static hid_mouse_report_t prev_report = { 0 }; - - //------------- button state -------------// - uint8_t button_changed_mask = report->buttons ^ prev_report.buttons; - if ( button_changed_mask & report->buttons) - { - printf(" %c%c%c ", - report->buttons & MOUSE_BUTTON_LEFT ? 'L' : '-', - report->buttons & MOUSE_BUTTON_MIDDLE ? 'M' : '-', - report->buttons & MOUSE_BUTTON_RIGHT ? 'R' : '-'); - } - - //------------- cursor movement -------------// - cursor_movement(report->x, report->y, report->wheel); -} - -//--------------------------------------------------------------------+ -// Generic Report -//--------------------------------------------------------------------+ -static void process_generic_report(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len) -{ - (void) dev_addr; - - uint8_t const rpt_count = hid_info[instance].report_count; - tuh_hid_report_info_t* rpt_info_arr = hid_info[instance].report_info; - tuh_hid_report_info_t* rpt_info = NULL; - - if ( rpt_count == 1 && rpt_info_arr[0].report_id == 0) - { - // Simple report without report ID as 1st byte - rpt_info = &rpt_info_arr[0]; - }else - { - // Composite report, 1st byte is report ID, data starts from 2nd byte - uint8_t const rpt_id = report[0]; - - // Find report id in the arrray - for(uint8_t i=0; i<rpt_count; i++) - { - if (rpt_id == rpt_info_arr[i].report_id ) - { - rpt_info = &rpt_info_arr[i]; - break; - } - } - - report++; - len--; - } - - if (!rpt_info) - { - printf("Couldn't find the report info for this report !\r\n"); - return; - } - - // For complete list of Usage Page & Usage checkout src/class/hid/hid.h. For examples: - // - Keyboard : Desktop, Keyboard - // - Mouse : Desktop, Mouse - // - Gamepad : Desktop, Gamepad - // - Consumer Control (Media Key) : Consumer, Consumer Control - // - System Control (Power key) : Desktop, System Control - // - Generic (vendor) : 0xFFxx, xx - if ( rpt_info->usage_page == HID_USAGE_PAGE_DESKTOP ) - { - switch (rpt_info->usage) - { - case HID_USAGE_DESKTOP_KEYBOARD: - TU_LOG1("HID receive keyboard report\r\n"); - // Assume keyboard follow boot report layout - process_kbd_report( (hid_keyboard_report_t const*) report ); - break; - - case HID_USAGE_DESKTOP_MOUSE: - TU_LOG1("HID receive mouse report\r\n"); - // Assume mouse follow boot report layout - process_mouse_report( (hid_mouse_report_t const*) report ); - break; - - default: break; - } - } -} |