mirror of
https://github.com/eddyem/stm32samples.git
synced 2025-12-06 18:55:13 +03:00
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* This file is part of the pl2303 project.
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* Copyright 2022 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 "proto.h"
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#include "ringbuffer.h"
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#include "usb.h"
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#define MAXSTRLEN 128
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static char inbuff[MAXSTRLEN];
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volatile uint32_t Tms = 0;
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void sys_tick_handler(void){
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++Tms;
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}
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int main(void){
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sysreset();
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SysTick_Config(6000, 1);
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hw_setup();
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USB_setup();
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uint32_t ctr = Tms, msgctr = Tms;
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while(1){
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if(Tms - ctr > 499){
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ctr = Tms;
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LED_blink(LED0);
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}
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if(Tms - msgctr > 3999){
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msgctr = Tms;
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USB_sendstr("Test ping message\n");
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}
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USB_proc();
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int len = USB_receivestr(inbuff, MAXSTRLEN);
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if(len < 0) USB_sendstr("ERROR: USB buffer overflow or string was too long\n");
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else if(len){
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const char *ans = parse_cmd(inbuff);
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if(ans) USB_sendstr(ans);
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}
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}
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}
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