mirror of
https://github.com/eddyem/stm32samples.git
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84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/*
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* This file is part of the rtc 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 <stm32g0.h>
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#include <string.h>
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#include "rtc.h"
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#include "strfunc.h"
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#include "usart.h"
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extern volatile uint32_t Tms;
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const char *helpstring =
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"t - print current Tms\n"
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"T - print current Time\n"
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;
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TRUE_INLINE void putch(char x){
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usart3_send(&x, 1);
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}
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static const char *weekdays[] = {"Mon", "Tue", "Wed", "Thur", "Fri", "Sat", "Sun"};
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static const char *months[] = {"Jan", "Feb", "Mar", "Apr", "May", "June", "July", "Aug", "Sept", "Oct", "Nov", "Dec"};
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static void prezero(uint8_t x){
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if(x < 10){ putch('0'); putch('0' + x);}
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else USND(u2str(x));
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}
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void print_curtime(){
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rtc_t t;
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get_curtime(&t);
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USND(weekdays[t.day - 1]);
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putch(' ');
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USND(months[t.month - 1]);
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putch(' ');
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USND(u2str(t.day));
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putch(' ');
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prezero(t.hour);
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putch(':');
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prezero(t.minute);
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putch(':');
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prezero(t.second);
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USND(" 20"); prezero(t.year);
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putch('\n');
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}
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char *parse_cmd(char *buf){
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// "long" commands
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/* switch(*buf){
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}*/
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// "short" commands
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if(buf[1]) return buf; // echo wrong data
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switch(*buf){
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case 't':
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USND("T=");
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USND(u2str(Tms));
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putch('\n');
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break;
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case 'T':
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print_curtime();
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break;
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default: // help
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USND(helpstring);
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break;
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}
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return NULL;
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}
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