diff options
Diffstat (limited to 'examples/host/src/keyboard_host_app.c')
| -rw-r--r-- | examples/host/src/keyboard_host_app.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/examples/host/src/keyboard_host_app.c b/examples/host/src/keyboard_host_app.c deleted file mode 100644 index f0d2fcd73..000000000 --- a/examples/host/src/keyboard_host_app.c +++ /dev/null @@ -1,176 +0,0 @@ -/**************************************************************************/ -/*! - @file keyboard_host_app.c - @author hathach (tinyusb.org) - - @section LICENSE - - Software License Agreement (BSD License) - - Copyright (c) 2013, hathach (tinyusb.org) - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - 3. Neither the name of the copyright holders nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY - EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY - DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND - ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - This file is part of the tinyusb stack. -*/ -/**************************************************************************/ - -//--------------------------------------------------------------------+ -// INCLUDE -//--------------------------------------------------------------------+ -#include "keyboard_host_app.h" -#include "app_os_prio.h" - -#if TUSB_CFG_HOST_HID_KEYBOARD - -//--------------------------------------------------------------------+ -// MACRO CONSTANT TYPEDEF -//--------------------------------------------------------------------+ -#define QUEUE_KEYBOARD_REPORT_DEPTH 4 - -//--------------------------------------------------------------------+ -// INTERNAL OBJECT & FUNCTION DECLARATION -//--------------------------------------------------------------------+ -static osal_queue_t queue_kbd_hdl; -TUSB_CFG_ATTR_USBRAM static hid_keyboard_report_t usb_keyboard_report; - -static inline uint8_t keycode_to_ascii(uint8_t modifier, uint8_t keycode) ATTR_CONST ATTR_ALWAYS_INLINE; -static inline void process_kbd_report(hid_keyboard_report_t const * report); - -//--------------------------------------------------------------------+ -// tinyusb callbacks -//--------------------------------------------------------------------+ -void tuh_hid_keyboard_mounted_cb(uint8_t dev_addr) -{ - // application set-up - printf("\na Keyboard device (address %d) is mounted\n", dev_addr); - - osal_queue_flush(queue_kbd_hdl); - tuh_hid_keyboard_get_report(dev_addr, (uint8_t*) &usb_keyboard_report); // first report -} - -void tuh_hid_keyboard_unmounted_cb(uint8_t dev_addr) -{ - // application tear-down - printf("\na Keyboard device (address %d) is unmounted\n", dev_addr); -} - -// invoked ISR context -void tuh_hid_keyboard_isr(uint8_t dev_addr, tusb_event_t event) -{ - switch(event) - { - case TUSB_EVENT_XFER_COMPLETE: - osal_queue_send(queue_kbd_hdl, &usb_keyboard_report); - tuh_hid_keyboard_get_report(dev_addr, (uint8_t*) &usb_keyboard_report); - break; - - case TUSB_EVENT_XFER_ERROR: - tuh_hid_keyboard_get_report(dev_addr, (uint8_t*) &usb_keyboard_report); // ignore & continue - break; - - default : - break; - } -} - -//--------------------------------------------------------------------+ -// APPLICATION -//--------------------------------------------------------------------+ -void keyboard_host_app_init(void) -{ - memclr_(&usb_keyboard_report, sizeof(hid_keyboard_report_t)); - - queue_kbd_hdl = osal_queue_create( QUEUE_KEYBOARD_REPORT_DEPTH, sizeof(hid_keyboard_report_t) ); - ASSERT_PTR( queue_kbd_hdl, VOID_RETURN ); - - VERIFY( osal_task_create(keyboard_host_app_task, "kbd", 128, NULL, KEYBOARD_APP_TASK_PRIO), ); -} - -//------------- main task -------------// -void keyboard_host_app_task(void* param) -{ - (void) param; - - OSAL_TASK_BEGIN - - hid_keyboard_report_t kbd_report; - tusb_error_t error; - - osal_queue_receive(queue_kbd_hdl, &kbd_report, OSAL_TIMEOUT_WAIT_FOREVER, &error); - (void) error; // suppress compiler warning - - process_kbd_report(&kbd_report); - - OSAL_TASK_END -} - -//--------------------------------------------------------------------+ -// HELPER -//--------------------------------------------------------------------+ -// look up new key in previous keys -static inline bool find_key_in_report(hid_keyboard_report_t const *p_report, uint8_t keycode) -{ - for(uint8_t i=0; i<6; i++) - { - if (p_report->keycode[i] == keycode) return true; - } - - return false; -} - -static inline void process_kbd_report(hid_keyboard_report_t const *p_new_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 ( p_new_report->keycode[i] ) - { - if ( find_key_in_report(&prev_report, p_new_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 - uint8_t ch = keycode_to_ascii(p_new_report->modifier, p_new_report->keycode[i]); - putchar(ch); - if ( ch == '\r' ) putchar('\n'); // added new line for enter key - } - } - // TODO example skips key released - } - - prev_report = *p_new_report; -} - -static inline uint8_t keycode_to_ascii(uint8_t modifier, uint8_t keycode) -{ - // TODO max of keycode_ascii_tbl - return keycode > 128 ? 0 : - hid_keycode_to_ascii_tbl [modifier & (KEYBOARD_MODIFIER_LEFTSHIFT | KEYBOARD_MODIFIER_RIGHTSHIFT) ? 1 : 0] [keycode]; -} - -#endif |