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/**************************************************************************/
/*!
@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 "boards/board.h"
#include "tusb.h"
#include "mouse_app.h"
#include "keyboard_app.h"
#if defined(__CODE_RED)
#include <cr_section_macros.h>
#include <NXP/crp.h>
// Variable to store CRP value in. Will be placed automatically
// by the linker when "Enable Code Read Protect" selected.
// See crp.h header for more information
__CRP const unsigned int CRP_WORD = CRP_NO_CRP ;
#endif
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
//--------------------------------------------------------------------+
// INTERNAL OBJECT & FUNCTION DECLARATION
//--------------------------------------------------------------------+
OSAL_TASK_FUNCTION( led_blinking_task ) (void* p_task_para);
OSAL_TASK_DEF(led_blinking_task_def, "led blinking", led_blinking_task, 128, LED_BLINKING_APP_TASK_PRIO);
void print_greeting(void);
static inline void wait_blocking_ms(uint32_t ms);
//--------------------------------------------------------------------+
// IMPLEMENTATION
//--------------------------------------------------------------------+
#if TUSB_CFG_OS == TUSB_OS_NONE
// like a real RTOS, this function is a main loop invoking each task in application and never return
void os_none_start_scheduler(void)
{
while (1)
{
tusb_task_runner();
keyboard_app_task(NULL);
mouse_app_task(NULL);
led_blinking_task(NULL);
}
}
#endif
//TODO try to run with optimization Os
int main(void)
{
board_init();
// TODO blocking wait --> systick handler --> ...... freeRTOS hardfault
//wait_blocking_ms(1000); // wait a bit for power stable
// print_greeting(); TODO uart output before freeRTOS scheduler start will lead to hardfault
// find a way to fix this as tusb_init can output to uart when an error occurred
tusb_init();
//------------- application task init -------------//
(void) osal_task_create(&led_blinking_task_def);
#if TUSB_CFG_HOST_HID_KEYBOARD
keyboard_app_init();
#endif
#if TUSB_CFG_HOST_HID_MOUSE
mouse_app_init();
#endif
//------------- start OS scheduler (never return) -------------//
#if TUSB_CFG_OS == TUSB_OS_FREERTOS
vTaskStartScheduler();
#elif TUSB_CFG_OS == TUSB_OS_NONE
os_none_start_scheduler();
#else
#error need to start RTOS schduler
#endif
//------------- this part of code should not be reached -------------//
hal_debugger_breakpoint();
while(1)
{
}
return 0;
}
//--------------------------------------------------------------------+
// BLINKING TASK
//--------------------------------------------------------------------+
OSAL_TASK_FUNCTION( led_blinking_task ) (void* p_task_para)
{
// task init, only executed exactly one time, real RTOS does not need this but none OS does
{
static bool is_init = false;
if (!is_init)
{
is_init = true;
print_greeting();
}
}
static uint32_t led_on_mask = 0;
OSAL_TASK_LOOP_BEGIN
osal_task_delay(1000);
board_leds(led_on_mask, 1 - led_on_mask);
led_on_mask = 1 - led_on_mask; // toggle
OSAL_TASK_LOOP_END
}
//--------------------------------------------------------------------+
// HELPER FUNCTION
//--------------------------------------------------------------------+
void print_greeting(void)
{
printf("\r\n\
--------------------------------------------------------------------\r\n\
- Host Demo (a tinyusb example)\r\n\
- if you find any bugs or get any questions, feel free to file an\r\n\
- issue at https://github.com/hathach/tinyusb\r\n\
--------------------------------------------------------------------\r\n\r\n"
);
}
static inline void wait_blocking_us(volatile uint32_t us)
{
us *= (SystemCoreClock / 1000000) / 3;
while(us--);
}
static inline void wait_blocking_ms(uint32_t ms)
{
wait_blocking_us(ms * 1000);
}
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