Files
stm32samples/F1:F103/AS3935-lightning/main.c
2026-04-14 23:42:52 +03:00

110 lines
3.8 KiB
C

/*
* This file is part of the as3935 project.
* Copyright 2026 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "as3935.h"
#include "flash.h"
#include "hardware.h"
#include "commproto.h"
#include "flash.h"
#include "spi.h"
#include "strfunc.h"
#include "usb_dev.h"
uint8_t DISPLCO[SENSORS_AMOUNT] = {0};
volatile uint32_t Tms = 0;
static char inbuff[RBINSZ];
/* Called when systick fires */
void sys_tick_handler(void){
++Tms;
}
int main(){
uint8_t oldint[2] = {0}; // ==1 for interrupted pins
uint32_t lastT = 0;
StartHSE();
//flashstorage_init();
hw_setup();
USBPU_OFF();
SysTick_Config(72000);
flashstorage_init();
USB_setup();
#ifndef EBUG
iwdg_setup();
#endif
//usart_setup();
USBPU_ON();
// wake-up all sensors and run auto-calibration
for(uint8_t ch = 0; ch < SENSORS_AMOUNT; ++ch){
as3935_channel = ch;
as3935_wakeup();
as3935_calib_rco();
if(the_conf.flags.restore){
sens_pars_t *p = &the_conf.spars[ch];
as3935_gain(p->AFE_GB);
as3935_wdthres(p->WDTH);
as3935_nflev(p->NF_LEV);
as3935_srej(p->SREJ);
as3935_minnumlig(p->MIN_NUM_LIG);
as3935_maskdist(p->MASK_DIST);
as3935_lco_fdiv(p->LCO_FDIV);
as3935_tuncap(p->TUN_CAP);
}
}
while(1){
IWDG->KR = IWDG_REFRESH; // refresh watchdog
if(Tms - lastT > 499){
LED_blink(LED0);
lastT = Tms;
}
int l = USB_receivestr(inbuff, RBINSZ);
if(l < 0) USB_sendstr("ERROR: CMD USB buffer overflow or string was too long");
else if(l){
const char *ans = parse_cmd(USB_sendstr, inbuff);
if(ans) USB_sendstr(ans);
}
for(uint8_t ch = 0; ch < SENSORS_AMOUNT; ++ch){
if(DISPLCO[ch] != DISPLCO_NOTHING) continue; // don't check IRQ in if it used as clock output
if(CHK_INT(ch)){
if(oldint[ch] == 0){
oldint[ch] = 1;
uint8_t code;
as3935_channel = ch;
int result = as3935_intcode(&code);
if(!result) USB_sendstr("CANTGET\n");
else if(code){
uint8_t savedcode = code;
USB_sendstr("INTERRUPT"); USB_putbyte('0'+ch); USB_putbyte('=');
const char *delim = NULL, *comma = ",";
if(code & INT_NH){ USB_sendstr("NOICE"); delim = comma; code &= ~INT_NH; }
if(code & INT_D){ USB_sendstr(delim); USB_sendstr("DISTURBER"); delim = comma; code &= ~INT_D; }
if(code & INT_L){ USB_sendstr(delim); USB_sendstr("LIGHTNING"); code &= ~INT_L; }
if(code) USB_sendstr(u2str(code));
newline();
if(savedcode == INT_L){ // clear lightning - show distance and power
lightning_info(USB_sendstr, ch);
}
}
}
}else oldint[ch] = 0;
}
}
return 0;
}