mirror of
https://github.com/eddyem/stm32samples.git
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70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/*
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* This file is part of the multiiface project.
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* Copyright 2026 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 <string.h>
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#include "Debug.h"
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#include "hardware.h" // Config_mode
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#include "ringbuffer.h"
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#include "usb_dev.h"
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// asinchronous debugging
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// DBG(str): add filename, line, string message `str` and '\n'
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// DBGs(str): only add `str`, without '\n'
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// DBGn(): add just '\n'
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#ifdef EBUG
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#define DBGBUFSZ (1024)
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static uint8_t buf[DBGBUFSZ];
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static ringbuffer dbgrb = {.data = buf, .length = DBGBUFSZ};
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void debug_message_text(const char *str){
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if(!Config_mode) return;
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RB_write(&dbgrb, (const uint8_t*)str, strlen(str));
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}
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void debug_message_char(char ch){
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if(!Config_mode) return;
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RB_write(&dbgrb, (const uint8_t*)&ch, 1);
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}
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void debug_newline_only(){
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if(!Config_mode) return;
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char nl = '\n';
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RB_write(&dbgrb, (const uint8_t*)&nl, 1);
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}
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// print by lines until there's place in USB ringbuffer
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void print_debug_messages(){
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if(!Config_mode) return;
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uint8_t rcvbuf[256];
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do{
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int l = RB_datalento(&dbgrb, '\n');
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if(l < 1) break;
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int freesize = USB_sendbufspace(ICFG);
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if(freesize < l) break;
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if(l > 256) l = 256;
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int n = RB_read(&dbgrb, rcvbuf, l);
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if(n < 1) break; // empty or busy
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USB_send(ICFG, rcvbuf, n);
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}while(1);
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}
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#endif
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