mirror of
https://github.com/eddyem/stm32samples.git
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69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/*
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* This file is part of the multiiface project.
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* Copyright 2025 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 "flash.h"
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#include "hardware.h"
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#include "proto.h"
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#include "usb_dev.h"
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#define MAXSTRLEN RBINSZ
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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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char inbuff[MAXSTRLEN+1];
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if(StartHSE()){
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SysTick_Config((uint32_t)72000); // 1ms
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}else{
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StartHSI();
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SysTick_Config((uint32_t)48000); // 1ms
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}
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flashstorage_init();
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hw_setup();
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USBPU_OFF();
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USB_setup();
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//uint32_t ctr = Tms;
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USBPU_ON();
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int maxno = (Config_mode) ? ICFG : InterfacesAmount;
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while(1){
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// Put here code working WITOUT USB connected
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if(!usbON) continue;
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for(int i = 0; i < maxno; ++i){ // just echo for first time
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if(!CDCready[i]) continue;
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int l = USB_receive(i, (uint8_t*)inbuff, MAXSTRLEN);
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if(l) USB_send(i, (uint8_t*)inbuff, l);
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}
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// and here is code what should run when USB connected
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if(Config_mode && CDCready[ICFG]){
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/*if(Tms - ctr > 999){
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ctr = Tms;
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CFGWR("I'm alive\n");
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}*/
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int l = USB_receivestr(ICFG, inbuff, MAXSTRLEN);
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if(l < 0) CFGWR("ERROR: USB buffer overflow or string was too long\n");
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else if(l){
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const char *ans = parse_cmd(inbuff);
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if(ans) CFGWRn(ans);
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}
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}
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}
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}
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