54 lines
1.3 KiB
C

/*
* This file is part of the I2Cscan project.
* Copyright 2020 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "hardware.h"
#include "usb_lib.h"
#include "usb_dev.h"
volatile uint32_t Tms = 0;
/* Called when systick fires */
void sys_tick_handler(void){
++Tms;
}
#define STRLEN (256)
int main(void){
uint32_t lastT = 0;
StartHSE();
hw_setup();
USBPU_OFF();
SysTick_Config(72000);
USB_setup();
i2c_setup();
#ifndef EBUG
iwdg_setup();
#endif
USBPU_ON();
while (1){
IWDG->KR = IWDG_REFRESH; // refresh watchdog
if(lastT > Tms || Tms - lastT > 499){
LED_blink(LED0);
lastT = Tms;
}
}
return 0;
}