mirror of
https://github.com/eddyem/stm32samples.git
synced 2025-12-06 10:45:11 +03:00
85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*
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* This file is part of the SevenCDCs project.
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* Copyright 2023 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 "cmdproto.h"
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#include "debug.h"
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#include "hardware.h"
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#include "strfunc.h"
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#include "usart.h"
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#include "usb.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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static const char *ebufovr = "ERROR: USB buffer overflow or string was too long\n";
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static const char *idxnames[MAX_IDX] = {"CMD", "USART1", "USART2", "USART3", "NOFUNCT", "CAN", "DBG"};
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int main(void){
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char inbuff[MAXSTRLEN+1];
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USBPU_OFF();
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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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hw_setup();
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usarts_setup();
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USB_setup();
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USBPU_ON();
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uint32_t ctr = 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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pin_toggle(GPIOB, 1 << 1 | 1 << 0); // toggle LED @ PB0
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//DBGmesg(u2str(Tms));
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//DBGnl();
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}
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for(int i = 0; i < MAX_IDX; ++i){
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int l = USB_receivestr(i, inbuff, MAXSTRLEN);
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if(l < 0){
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USB_sendstr(DBG_IDX, ebufovr);
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if(i == CMD_IDX) USB_sendstr(CMD_IDX, ebufovr);
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continue;
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}
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if(l == 0) continue;
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USB_sendstr(DBG_IDX, idxnames[i]);
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USB_sendstr(DBG_IDX, "> ");
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USB_sendstr(DBG_IDX, inbuff);
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USB_putbyte(DBG_IDX, '\n');
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USB_sendstr(CMD_IDX, idxnames[i]);
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USB_sendstr(CMD_IDX, "> ");
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USB_sendstr(CMD_IDX, inbuff);
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USB_putbyte(CMD_IDX, '\n');
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switch(i){
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case CMD_IDX:
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parse_cmd(inbuff);
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break;
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default:
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break;
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}
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}
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}
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}
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