mirror of
https://github.com/eddyem/stm32samples.git
synced 2026-05-07 13:26:56 +03:00
110 lines
3.8 KiB
C
110 lines
3.8 KiB
C
/*
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* This file is part of the as3935 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 "as3935.h"
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#include "flash.h"
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#include "hardware.h"
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#include "commproto.h"
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#include "flash.h"
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#include "spi.h"
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#include "strfunc.h"
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#include "usb_dev.h"
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uint8_t DISPLCO[SENSORS_AMOUNT] = {0};
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volatile uint32_t Tms = 0;
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static char inbuff[RBINSZ];
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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(){
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uint8_t oldint[2] = {0}; // ==1 for interrupted pins
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uint32_t lastT = 0;
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StartHSE();
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//flashstorage_init();
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hw_setup();
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USBPU_OFF();
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SysTick_Config(72000);
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flashstorage_init();
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USB_setup();
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#ifndef EBUG
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iwdg_setup();
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#endif
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//usart_setup();
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USBPU_ON();
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// wake-up all sensors and run auto-calibration
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for(uint8_t ch = 0; ch < SENSORS_AMOUNT; ++ch){
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as3935_channel = ch;
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as3935_wakeup();
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as3935_calib_rco();
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if(the_conf.flags.restore){
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sens_pars_t *p = &the_conf.spars[ch];
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as3935_gain(p->AFE_GB);
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as3935_wdthres(p->WDTH);
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as3935_nflev(p->NF_LEV);
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as3935_srej(p->SREJ);
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as3935_minnumlig(p->MIN_NUM_LIG);
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as3935_maskdist(p->MASK_DIST);
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as3935_lco_fdiv(p->LCO_FDIV);
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as3935_tuncap(p->TUN_CAP);
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}
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}
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while(1){
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IWDG->KR = IWDG_REFRESH; // refresh watchdog
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if(Tms - lastT > 499){
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LED_blink(LED0);
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lastT = Tms;
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}
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int l = USB_receivestr(inbuff, RBINSZ);
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if(l < 0) USB_sendstr("ERROR: CMD USB buffer overflow or string was too long");
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else if(l){
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const char *ans = parse_cmd(USB_sendstr, inbuff);
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if(ans) USB_sendstr(ans);
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}
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for(uint8_t ch = 0; ch < SENSORS_AMOUNT; ++ch){
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if(DISPLCO[ch] != DISPLCO_NOTHING) continue; // don't check IRQ in if it used as clock output
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if(CHK_INT(ch)){
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if(oldint[ch] == 0){
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oldint[ch] = 1;
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uint8_t code;
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as3935_channel = ch;
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int result = as3935_intcode(&code);
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if(!result) USB_sendstr("CANTGET\n");
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else if(code){
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uint8_t savedcode = code;
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USB_sendstr("INTERRUPT"); USB_putbyte('0'+ch); USB_putbyte('=');
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const char *delim = NULL, *comma = ",";
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if(code & INT_NH){ USB_sendstr("NOICE"); delim = comma; code &= ~INT_NH; }
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if(code & INT_D){ USB_sendstr(delim); USB_sendstr("DISTURBER"); delim = comma; code &= ~INT_D; }
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if(code & INT_L){ USB_sendstr(delim); USB_sendstr("LIGHTNING"); code &= ~INT_L; }
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if(code) USB_sendstr(u2str(code));
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newline();
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if(savedcode == INT_L){ // clear lightning - show distance and power
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lightning_info(USB_sendstr, ch);
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}
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}
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}
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}else oldint[ch] = 0;
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}
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}
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return 0;
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}
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