mirror of
https://github.com/eddyem/stm32samples.git
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64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/*
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* main.c
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*
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* Copyright 2018 Edward V. Emelianoff <eddy@sao.ru, 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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include "adc.h"
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#include "effects.h"
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#include "hardware.h"
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#include "protocol.h"
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#include "usart.h"
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#include <string.h> // memcpy
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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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char *txt;
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hw_setup();
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SysTick_Config(6000, 1);
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SEND("Servos controller v0.1\n");
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if(RCC->CSR & RCC_CSR_IWDGRSTF){ // watchdog reset occured
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SEND("WDGRESET=1\n");
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}
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if(RCC->CSR & RCC_CSR_SFTRSTF){ // software reset occured
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SEND("SOFTRESET=1\n");
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}
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RCC->CSR |= RCC_CSR_RMVF; // remove reset flags
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while (1){
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IWDG->KR = IWDG_REFRESH;
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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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IWDG->KR = IWDG_REFRESH;
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}
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}
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proc_effect();
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IWDG->KR = IWDG_REFRESH;
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usart1_sendbuf();
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}
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}
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