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Diffstat (limited to 'examples/device/device_composite/src/main.c')
| -rw-r--r-- | examples/device/device_composite/src/main.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/examples/device/device_composite/src/main.c b/examples/device/device_composite/src/main.c new file mode 100644 index 000000000..11b73ebf9 --- /dev/null +++ b/examples/device/device_composite/src/main.c @@ -0,0 +1,234 @@ +/**************************************************************************/ +/*! + @file main.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 <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "bsp/board.h" +#include "tusb.h" + +//--------------------------------------------------------------------+ +// MACRO CONSTANT TYPEDEF +//--------------------------------------------------------------------+ + +//--------------------------------------------------------------------+ +// INTERNAL OBJECT & FUNCTION DECLARATION +//--------------------------------------------------------------------+ +void print_greeting(void); +void led_blinking_task(void); + +//--------------------------------------------------------------------+ +// USB CDC +//--------------------------------------------------------------------+ +#if CFG_TUD_CDC +void virtual_com_task(void) +{ + // connected and there are data available + if ( tud_cdc_connected() ) + { + if ( tud_cdc_available() ) + { + uint8_t buf[64]; + + // read and echo back + uint32_t count = tud_cdc_read(buf, sizeof(buf)); + + tud_cdc_write(buf, count); + } + + tud_cdc_write_flush(); + } +} + +void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) +{ + (void) itf; + + // connected + if ( dtr && rts ) + { + // print greeting + tud_cdc_write_str("tinyusb usb cdc\n"); + } +} +#else +#define virtual_com_task() +#endif + +//--------------------------------------------------------------------+ +// USB HID +//--------------------------------------------------------------------+ +#if CFG_TUD_HID +void usb_hid_task(void) +{ + // Poll every 10ms + static tu_timeout_t tm = { .start = 0, .interval = 10 }; + + if ( !tu_timeout_expired(&tm) ) return; // not enough time + tu_timeout_reset(&tm); + + uint32_t const btn = board_buttons(); + + /*------------- Keyboard -------------*/ + if ( tud_hid_keyboard_ready() ) + { + if ( btn ) + { + uint8_t keycode[6] = { 0 }; + + for(uint8_t i=0; i < 6; i++) + { + if ( btn & (1 << i) ) keycode[i] = HID_KEY_A + i; + } + + tud_hid_keyboard_keycode(0, keycode); + }else + { + // Null means all zeroes keycodes + tud_hid_keyboard_keycode(0, NULL); + } + } + + + /*------------- Mouse -------------*/ + if ( tud_hid_mouse_ready() ) + { + enum { DELTA = 5 }; + + if ( btn & 0x01 ) tud_hid_mouse_move(-DELTA, 0); // left + if ( btn & 0x02 ) tud_hid_mouse_move( DELTA, 0); // right + if ( btn & 0x04 ) tud_hid_mouse_move( 0 , -DELTA); // up + if ( btn & 0x08 ) tud_hid_mouse_move( 0 , DELTA); // down + } +} + +uint16_t tud_hid_generic_get_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen) +{ + // TODO not Implemented + return 0; +} + +void tud_hid_generic_set_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize) +{ + // TODO not Implemented +} + +#else +#define usb_hid_task() +#endif + + +/*------------- MAIN -------------*/ +int main(void) +{ + board_init(); + print_greeting(); + + tusb_init(); + + while (1) + { + tusb_task(); + + led_blinking_task(); + virtual_com_task(); + usb_hid_task(); + } + + return 0; +} + +//--------------------------------------------------------------------+ +// tinyusb callbacks +//--------------------------------------------------------------------+ +void tud_mount_cb(void) +{ + +} + +void tud_umount_cb(void) +{ +} + +void tud_cdc_rx_cb(uint8_t itf) +{ +} + +//--------------------------------------------------------------------+ +// BLINKING TASK +//--------------------------------------------------------------------+ +void led_blinking_task(void) +{ + static tu_timeout_t tm = { .start = 0, .interval = 1000 }; // Blink every 1000 ms + static bool led_state = false; + + if ( !tu_timeout_expired(&tm) ) return; // not enough time + tu_timeout_reset(&tm); + + board_led_control(BOARD_LED0, led_state); + led_state = 1 - led_state; // toggle +} + +//--------------------------------------------------------------------+ +// HELPER FUNCTION +//--------------------------------------------------------------------+ +void print_greeting(void) +{ + char const * const rtos_name[] = + { + [OPT_OS_NONE] = "None", + [OPT_OS_FREERTOS] = "FreeRTOS", + }; + + printf("\n--------------------------------------------------------------------\n"); + printf("- Device Demo (a tinyusb example)\n"); + printf("- if you find any bugs or get any questions, feel free to file an\n"); + printf("- issue at https://github.com/hathach/tinyusb\n"); + printf("--------------------------------------------------------------------\n\n"); + + printf("This DEVICE demo is configured to support:"); + printf(" - RTOS = %s\n", rtos_name[CFG_TUSB_OS]); + if (CFG_TUD_CDC ) puts(" - Communication Device Class"); + if (CFG_TUD_MSC ) puts(" - Mass Storage"); + if (CFG_TUD_HID_KEYBOARD ) puts(" - HID Keyboard"); + if (CFG_TUD_HID_MOUSE ) puts(" - HID Mouse"); +} |