153 lines
4.8 KiB
C
153 lines
4.8 KiB
C
/**************************************************************************/
|
|
/*!
|
|
@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);
|
|
void virtual_com_task(void);
|
|
|
|
/*------------- MAIN -------------*/
|
|
int main(void)
|
|
{
|
|
board_init();
|
|
print_greeting();
|
|
|
|
tusb_init();
|
|
|
|
while (1)
|
|
{
|
|
tusb_task();
|
|
|
|
led_blinking_task();
|
|
virtual_com_task();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void virtual_com_task(void)
|
|
{
|
|
// connected and there are data available
|
|
if ( tud_mounted() && 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);
|
|
}
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------+
|
|
// tinyusb callbacks
|
|
//--------------------------------------------------------------------+
|
|
void tud_mount_cb(uint8_t port)
|
|
{
|
|
|
|
}
|
|
|
|
void tud_umount_cb(uint8_t port)
|
|
{
|
|
}
|
|
|
|
void tud_cdc_rx_cb(uint8_t port)
|
|
{
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// BLINKING TASK
|
|
//--------------------------------------------------------------------+
|
|
void led_blinking_task(void)
|
|
{
|
|
enum { BLINK_INTEVAL = 1000 };
|
|
|
|
static bool led_state = false;
|
|
static uint32_t last_blink = 0;
|
|
|
|
// not enough time
|
|
if ( last_blink + BLINK_INTEVAL > tusb_hal_tick_get() ) return;
|
|
|
|
last_blink += BLINK_INTEVAL;
|
|
|
|
board_led_control(BOARD_LED0, led_state);
|
|
led_state = 1 - led_state; // toggle
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// HELPER FUNCTION
|
|
//--------------------------------------------------------------------+
|
|
void print_greeting(void)
|
|
{
|
|
char const * const rtos_name[] =
|
|
{
|
|
[TUSB_OS_NONE] = "None",
|
|
[TUSB_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[TUSB_CFG_OS]);
|
|
if (TUSB_CFG_DEVICE_HID_MOUSE ) puts(" - HID Mouse");
|
|
if (TUSB_CFG_DEVICE_HID_KEYBOARD ) puts(" - HID Keyboard");
|
|
if (TUSB_CFG_DEVICE_MSC ) puts(" - Mass Storage");
|
|
if (TUSB_CFG_DEVICE_CDC ) puts(" - Communication Device Class");
|
|
}
|