Files
libretiny/arduino/realtek-ambz/cores/arduino/main.cpp
2022-04-23 21:13:47 +02:00

104 lines
2.6 KiB
C++

/*
main.cpp - Main loop for Arduino sketches
Copyright (c) 2005-2013 Arduino Team. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define ARDUINO_MAIN
#include "Arduino.h"
#include "cmsis_os.h"
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include "rtl8710b.h"
#include "FreeRTOS.h"
#include "task.h"
#include "diag.h"
extern void HalCpuClkConfig(u8 CpuType);
extern void SystemCoreClockUpdate(void);
extern void En32KCalibration(void);
extern int tcm_heap_freeSpace(void);
extern void console_init(void);
#ifdef __cplusplus
} // extern "C"
#endif
osThreadId main_tid = 0;
// Weak empty variant initialization function.
// May be redefined by variant files.
void initVariant() __attribute__((weak));
void initVariant() { }
// Initialize C library
extern "C" void __libc_init_array(void);
/*
* \brief Init Random()
* \note Use in void __low_level_init(void) { Init_Rand(); } !
*/
void Init_Rand(void)
{
extern u32 _rand_z1, _rand_z2, _rand_z3, _rand_z4, _rand_first;
u32 *p = (u32 *)0x1FFFFF00;
while(p < (u32 *)0x20000000) _rand_z1 ^= *p++;
_rand_z1 ^= (*((u32 *)0x40002018) << 24) ^ (*((u32 *)0x40002118) << 16) ^ (*((u32 *)0x40002218) << 8) ^ *((u32 *)0x40002318);
_rand_z2 = ((_rand_z1 & 0x007F00FF) << 7) ^ ((_rand_z1 & 0x0F80FF00) >> 8);
_rand_z3 = ((_rand_z2 & 0x007F00FF) << 7) ^ ((_rand_z2 & 0x0F80FF00) >> 8);
_rand_z4 = ((_rand_z3 & 0x007F00FF) << 7) ^ ((_rand_z3 & 0x0F80FF00) >> 8);
_rand_first = 1;
}
/*
* \brief handle sketch
*/
void main_task( void const *arg )
{
setup();
for (;;)
{
loop();
if (serialEventRun) serialEventRun();
osThreadYield();
}
}
/*
* \brief Main entry point of Arduino application
*/
int main( void )
{
init();
__libc_init_array();
initVariant();
osThreadDef(main_task, osPriorityRealtime, 1, 4096*4);
main_tid = osThreadCreate(osThread (main_task), NULL);
osKernelStart();
while(1);
return 0;
}