mirror of
https://github.com/eddyem/stm32samples.git
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55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/*
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* This file is part of the TM1637 project.
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* Copyright 2019 Edward Emelianov <eddy@sao.ru>.
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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 "i2c.h"
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#include "protocol.h"
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#include "usart.h"
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#include <stm32f0.h>
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volatile uint32_t Tms = 0;
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// Called when systick fires
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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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uint32_t T = 0, TLED = 0;
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char *txt;
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hw_setup();
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SysTick_Config(6000, 1);
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SEND("LED display controller v0.1\n");
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while (1){
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if(Tms - TLED > 499){
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TLED = Tms;
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pin_toggle(GPIOC, 1<<13);
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}
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if(usart1_getline(&txt)){ // usart1 received command, process it
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txt = process_command(txt);
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}else txt = NULL;
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if(txt){ // text waits for sending
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while(ALL_OK != usart1_send(txt, 0));
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}
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if(Tms - T > 49){
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T = Tms;
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}
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usart1_sendbuf();
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}
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}
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