mirror of
https://github.com/eddyem/stm32samples.git
synced 2025-12-06 18:55:13 +03:00
104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
/*
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* This file is part of the I2Cscan project.
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* Copyright 2020 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "hardware.h"
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#include "keycodes.h"
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#ifdef EBUG
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#include "usart.h"
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#endif
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#include "usb_dev.h"
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volatile uint32_t Tms = 0;
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/* Called when systick fires */
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void sys_tick_handler(void){
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++Tms;
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}
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/*
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* buf[0]: 1 - report ID
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* buf[1]: bit2 - middle button, bit1 - right, bit0 - left
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* buf[2]: move X
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* buf[3]: move Y
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* buf[4]: wheel
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*/
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static void move_mouse(int8_t x, int8_t y){
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int8_t buf[5] = {1,0,0,0,0};
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buf[2] = x; buf[3] = y;
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USB_send((uint8_t*)buf, 5);
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}
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/*
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* Keyboard buffer:
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* buf[1]: MOD
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* buf[2]: reserved
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* buf[3]..buf[8] - keycodes 1..6
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*/
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static void send_word(const char *wrd){
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char last = 0;
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do{
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// release key before pressing it again
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if(last == *wrd) USB_send(release_key(), USB_KEYBOARD_REPORT_SIZE);
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last = *wrd;
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USB_send(press_key(last), USB_KEYBOARD_REPORT_SIZE);
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IWDG->KR = IWDG_REFRESH;
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}while(*(++wrd));
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USB_send(release_key(), USB_KEYBOARD_REPORT_SIZE);
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}
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int main(void){
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uint32_t lastT = 0, lastsend = 0;
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StartHSE();
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hw_setup();
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USBPU_OFF();
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SysTick_Config(72000);
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#ifdef EBUG
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usart_setup();
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uint32_t tt = 0;
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#endif
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USB_setup();
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#ifndef EBUG
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iwdg_setup();
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#endif
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USBPU_ON();
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while (1){
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IWDG->KR = IWDG_REFRESH; // refresh watchdog
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if(Tms - lastT > 499){
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LED_blink(LED0);
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lastT = Tms;
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}
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#ifdef EBUG
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if(Tms != tt){
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__disable_irq();
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usart_transmit();
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tt = Tms;
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__enable_irq();
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}
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#endif
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if(Tms - lastsend > 9999){
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if(usbON){
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send_word("Hello ");
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move_mouse(100, 100);
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//move_mouse(0,0);
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lastsend = Tms;
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}
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}
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}
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return 0;
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}
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