Starting AS3935

LightningSensor/Makefile

@@ -0,0 +1,57 @@
+# run `make DEF=...` to add extra defines
+PROGRAM := lightning
+LDFLAGS := -fdata-sections -ffunction-sections -Wl,--gc-sections -Wl,--discard-all
+LDFLAGS += -lusefull_macros
+SRCS := $(wildcard *.c)
+DEFINES := $(DEF) -D_GNU_SOURCE -D_XOPEN_SOURCE=1111
+OBJDIR := mk
+CFLAGS += -O2 -Wall -Wextra -Wno-trampolines -std=gnu99
+OBJS := $(addprefix $(OBJDIR)/, $(SRCS:%.c=%.o))
+DEPS := $(OBJS:.o=.d)
+TARGFILE := $(OBJDIR)/TARGET
+CC = gcc
+#TARGET := RELEASE
+
+ifeq ($(shell test -e $(TARGFILE) && echo -n yes),yes)
+	TARGET := $(file < $(TARGFILE))
+else
+	TARGET := RELEASE
+endif
+
+ifeq ($(TARGET), DEBUG)
+	.DEFAULT_GOAL := debug
+endif
+
+release: $(PROGRAM)
+
+debug: CFLAGS += -DEBUG -Werror
+debug: TARGET := DEBUG
+debug: $(PROGRAM)
+
+$(TARGFILE): $(OBJDIR)
+	@echo -e "\t\tTARGET: $(TARGET)"
+	@echo "$(TARGET)" > $(TARGFILE)
+
+$(PROGRAM) : $(TARGFILE) $(OBJS)
+	@echo -e "\t\tLD $(PROGRAM)"
+	$(CC)  $(OBJS) $(LDFLAGS) -o $(PROGRAM)
+
+$(OBJDIR):
+	@mkdir $(OBJDIR)
+
+ifneq ($(MAKECMDGOALS),clean)
+-include $(DEPS)
+endif
+
+$(OBJDIR)/%.o: %.c
+	@echo -e "\t\tCC $<"
+	$(CC) $< -MD -c $(LDFLAGS) $(CFLAGS) $(DEFINES) -o $@ 
+
+clean:
+	@echo -e "\t\tCLEAN"
+	@rm -rf $(OBJDIR) 2>/dev/null || true
+
+xclean: clean
+	@rm -f $(PROGRAM)
+
+.PHONY: clean xclean

LightningSensor/as3935.c

@@ -0,0 +1,178 @@
+/*
+ * This file is part of the lightning project.
+ * Copyright 2024 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/>.
+ */
+
+#pragma once
+
+#include "as3935.h"
+#include "i2c.h"
+
+static int dev_fd = -1;
+
+// open device and set slave address
+int as3935_open(const char *path, uint8_t id){
+    dev_fd = i2c_open(path);
+    if(dev_fd < 0) return FALSE;
+    if(!i2c_set_slave_address(dev_fd, id)){
+        WARNX("Can't set slave address 0x%02x", G.slaveaddr);
+        return FALSE;
+    }
+    return as3935_wakeup();
+}
+
+// common getter
+int as3935_getter(uint8_t reg, uint8_t *data){
+    return i2c_read_reg(dev_fd, reg, data);
+}
+
+// and common setter
+int as3935_setter(uint8_t reg, uint8_t data){
+    return i2c_write_reg(dev_fd, reg, data);
+}
+
+
+// starting calibration
+int as3935_calib_rco(){
+    t_tun_disp t;
+    if(!i2c_read_reg(dev_fd, TUN_DISP, &t)) return FALSE;
+    if(!i2c_write_reg(dev_fd, CALIB_RCO, DIRECT_COMMAND)) return FALSE;
+    t.DISP_SRCO = 1;
+    if(!i2c_write_reg(dev_fd, TUN_DISP, &t)) return FALSE;
+    double t0 = dtime();
+    while(dtime() - t0 < 0.002);
+    t.DISP_SRCO = 0;
+    if(!i2c_write_reg(dev_fd, TUN_DISP, &t)) return FALSE;
+    t_calib srco, trco;
+    if(!i2c_read_reg(dev_fd, CALIB_TRCO, &trco)) return FALSE;
+    if(!i2c_read_reg(dev_fd, CALIB_SRCO, &srco)) return FALSE;
+    if(!srco.CALIB_DONE || !trco.CALIB_DONE) return FALSE;
+    return TRUE;
+}
+
+// wakeup - call this function after first run
+int as3935_wakeup(){
+    t_afe_gain g;
+    if(!i2c_read_reg(dev_fd, AFE_GAIN, &g)) return FALSE;
+    g.PWD = 0;
+    if(!i2c_write_reg(dev_fd, AFE_GAIN, g)) return FALSE;
+    return as3935_calib_rco;
+}
+
+// set amplifier gain
+int as3935_set_gain(uint8_t g){
+    if(g > 0x1f) return FALSE;
+    t_afe_gain a = {0};
+    a.AFE_GB = g;
+    return i2c_write_reg(dev_fd, AFE_GAIN, a);
+}
+
+// watchdog threshold
+int as3935_wdthres(uint8_t t){
+    if(t > 0x0f) return FALSE;
+    t_threshold thres;
+    if(!i2c_read_reg(dev_fd, THRESHOLD, &thres)) return FALSE;
+    thres.WDTH = t;
+    return i2c_write_reg(dev_fd, THRESHOLD, thres);
+}
+
+// noice floor level
+int as3935_nflev(uint8_t l){
+    if(l > 7) return FALSE;
+    t_threshold thres;
+    if(!i2c_read_reg(dev_fd, THRESHOLD, &thres)) return FALSE;
+    thres.NF_LEV = l;
+    return i2c_write_reg(dev_fd, THRESHOLD, thres);
+}
+
+// spike rejection
+int as3935_srej(uint8_t s){
+    if(s > 0xf) return FALSE;
+    t_lightning_reg lr;
+    if(!i2c_read_reg(dev_fd, LIGHTNING_REG, &lr)) return FALSE;
+    lr.SREJ = s;
+    return i2c_write_reg(dev_fd, LIGHTNING_REG, lr);
+}
+
+// minimal lighting number
+int as3935_minnumlig(uint8_t n){
+    if(n > 3) return FALSE;
+    t_lightning_reg lr;
+    if(!i2c_read_reg(dev_fd, LIGHTNING_REG, &lr)) return FALSE;
+    lr.MIN_NUM_LIG = n;
+    return i2c_write_reg(dev_fd, LIGHTNING_REG, lr);
+}
+
+// clear amount of lightnings for last 15 min
+int as3935_clearstat(){
+    if(n > 3) return FALSE;
+    t_lightning_reg lr;
+    if(!i2c_read_reg(dev_fd, LIGHTNING_REG, &lr)) return FALSE;
+    lr.CL_STAT = 1;
+    return i2c_write_reg(dev_fd, LIGHTNING_REG, lr);
+}
+
+// get interrupt code
+int as3935_intcode(uint8_t *code){
+    if(!code) return FALSE;
+    t_int_mask_ant i;
+    if(!i2c_read_reg(dev_fd, INT_MASK_ANT, &i)) return FALSE;
+    *code = i.INT;
+    return TRUE;
+}
+
+// should interrupt react on disturbers?
+int as3935_mask_disturber(uint8_t m){
+    if(m > 1) return FALSE;
+    t_int_mask_ant i;
+    if(!i2c_read_reg(dev_fd, INT_MASK_ANT, &i)) return FALSE;
+    i.MASK_DIST = m;
+    return i2c_write_reg(dev_fd, INT_MASK_ANT, i);
+}
+
+// set Fdiv of antenna LCO
+int as3935_lco_fdiv(uint8_t d){
+    if(d > 3) return FALSE;
+    t_int_mask_ant i;
+    if(!i2c_read_reg(dev_fd, INT_MASK_ANT, &i)) return FALSE;
+    i.LCO_FDIV = d;
+    return i2c_write_reg(dev_fd, INT_MASK_ANT, i);
+}
+
+// calculate last lightning energy
+int as3935_energy(uint32_t *E){
+    if(!E) return FALSE;
+    uint8_t u8; uint32_t energy;
+    t_s_lig_mm mm;
+    if(!i2c_read_reg(dev_fd, S_LIG_MM, &mm)) return FALSE;
+    energy = mm.S_LIG_MM << 8;
+    if(!i2c_read_reg(dev_fd, S_LIG_M, &u8)) return FALSE;
+    energy |= u8;
+    energy <<= 8;
+    if(!i2c_read_reg(dev_fd, S_LIG_L, &u8)) return FALSE;
+    energy |= u8;
+    *E = energy;
+    return TRUE;
+}
+
+int as3935_distance(uint8_t *d){
+    if(!d) return FALSE;
+    t_distance dist;
+    if(!i2c_read_reg(dev_fd, DISTANCE, &dist)) return FALSE;
+    *d = dist.DISTANCE;
+    return TRUE;
+}
+

LightningSensor/as3935.h

@@ -0,0 +1,123 @@
+/*
+ * This file is part of the lightning project.
+ * Copyright 2024 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/>.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+enum AS3935_REGISTERS{
+    AFE_GAIN = 0x00,
+    THRESHOLD,
+    LIGHTNING_REG,
+    INT_MASK_ANT,
+    S_LIG_L,
+    S_LIG_M,
+    S_LIG_MM,
+    DISTANCE,
+    TUN_DISP,
+    CALIB_TRCO = 0x3A,
+    CALIB_SRCO = 0x3B,
+    PRESET_DEFAULT = 0x3C,
+    CALIB_RCO = 0x3D
+};
+
+// REGISTERS
+
+typedef struct{
+    uint8_t PWD : 1;
+    uint8_t AFE_GB : 5;
+    uint8_t RESERVED : 2;
+} t_afe_gain;
+
+typedef struct{
+    uint8_t WDTH : 4;
+    uint8_t NF_LEV : 3;
+    uint8_t RESERVED : 1;
+} t_threshold;
+
+typedef struct{
+    uint8_t SREJ : 4;
+// minimal number of lightnings
+#define NUM_LIG_1   (0)
+#define NUM_LIG_5   (1)
+#define NUM_LIG_9   (2)
+#define NUM_LIG_16  (3)
+    uint8_t MIN_NUM_LIG : 2;
+    uint8_t CL_STAT : 1;
+    uint8_t RESERVED : 1;
+} t_lightning_reg;
+
+typedef struct{
+// interrupt flags
+// noice level too high
+#define INT_NH  (1)
+// disturber detected
+#define INT_D   (4)
+// lightning interrupt
+#define INT_L   (8)
+    uint8_t INT : 4;
+    uint8_t RESERVED : 1;
+    uint8_t MASK_DIST : 1;
+    uint8_t LCO_FDIV : 2;
+} t_int_mask_ant;
+
+typedef struct{
+    uint8_t S_LIG_MM : 5;
+    uint8_t RESERVED : 3;
+} t_s_lig_mm;
+
+typedef struct{
+    uint8_t DISTANCE : 6;
+    uint8_t RESERVED : 2;
+} t_distance;
+
+typedef struct{
+    uint8_t TUN_CAP : 4;
+    uint8_t RESERVED : 1;
+    uint8_t DISP_TRCO : 1;
+    uint8_t DISP_SRCO : 1;
+    uint8_t DISP_LCO : 1;
+} t_tun_disp;
+
+typedef struct{
+    uint8_t RESERVED : 6;
+    uint8_t CALIB_NOK : 1;
+    uint8_t CALIB_DONE : 1;
+} t_calib;
+
+// direct command send to PRESET_DEFAULT and CALIB_RCO
+#define DIRECT_COMMAND  (0x96)
+// distance out of range
+#define DIST_OUT_OF_RANGE   (0x3f)
+
+int as3935_open(const char *path, uint8_t id);
+int as3935_getter(uint8_t reg, uint8_t *data);
+int as3935_setter(uint8_t reg, uint8_t data);
+int as3935_wakeup();
+int as3935_calib_rco();
+int as3935_set_gain(uint8_t g);
+int as3935_wdthres(uint8_t t);
+int as3935_nflev(uint8_t l);
+int as3935_srej(uint8_t s);
+int as3935_minnumlig(uint8_t n);
+int as3935_clearstat();
+int as3935_intcode(uint8_t *code);
+int as3935_mask_disturber(uint8_t m);
+int as3935_lco_fdiv(uint8_t d);
+int as3935_energy(uint32_t *E);
+int as3935_distance(uint8_t *d);

LightningSensor/i2c.c

@@ -0,0 +1,78 @@
+/*
+ * This file is part of the lightning project.
+ * Copyright 2024 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 <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <asm/ioctl.h>
+#include <linux/i2c.h>
+#include <linux/i2c-dev.h>
+#include <usefull_macros.h>
+
+uint8_t slaveaddr = 0;
+
+int i2c_read_reg(int fd, uint8_t regaddr, uint8_t *data){
+    struct i2c_smbus_ioctl_data args;
+    union i2c_smbus_data sd;
+    args.read_write = I2C_SMBUS_READ;
+    args.command    = regaddr;
+    args.size       = I2C_SMBUS_BYTE_DATA;
+    args.data       = &sd;
+    if(ioctl(fd, I2C_SMBUS, &args) < 0){
+        WARNX("Can't read reg %d", regaddr);
+        LOGWARN("Can't read reg %d", regaddr);
+        return FALSE;
+    }
+    *data = sd.byte;
+    return TRUE;
+}
+
+int i2c_write_reg(int fd, uint8_t regaddr, uint8_t data){
+    struct i2c_smbus_ioctl_data args;
+    union i2c_smbus_data sd;
+    sd.byte = data;
+    args.read_write = I2C_SMBUS_WRITE;
+    args.command    = regaddr;
+    args.size       = I2C_SMBUS_BYTE_DATA;
+    args.data       = &sd;
+    if(ioctl(fd, I2C_SMBUS, &args) < 0){
+        WARNX("Can't write reg %d", regaddr);
+        LOGWARN("Can't write reg %d", regaddr);
+        return FALSE;
+    }
+    return TRUE;
+}
+
+int i2c_set_slave_address(int fd, uint8_t addr){
+    if(addr == slaveaddr) return TRUE;
+    if(ioctl (fd, I2C_SLAVE, addr) < 0){
+        WARNX("Can't set slave address %d", addr);
+        LOGWARN("Can't set slave address %d", addr);
+        return FALSE;
+    }
+    slaveaddr = addr;
+    return TRUE;
+}
+
+int i2c_open(const char *path){
+    return open(path, O_RDWR);
+}

LightningSensor/i2c.h

@@ -0,0 +1,33 @@
+/*
+ * This file is part of the lightning project.
+ * Copyright 2024 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/>.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+int i2c_read_reg(int fd, uint8_t regaddr, uint8_t *data);
+int i2c_write_reg(int fd, uint8_t regaddr, uint8_t data);
+int i2c_set_slave_address(int fd, uint8_t addr);
+int i2c_open(const char *path);

LightningSensor/lightning.cflags

@@ -0,0 +1 @@
+-std=c17

LightningSensor/lightning.config

@@ -0,0 +1,2 @@
+// Add predefined macros for your project here. For example:
+// #define THE_ANSWER 42

LightningSensor/lightning.creator

@@ -0,0 +1 @@
+[General]

LightningSensor/lightning.creator.user

@@ -0,0 +1,184 @@
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+<!DOCTYPE QtCreatorProject>
+<!-- Written by QtCreator 14.0.1, 2024-08-20T22:11:21. -->
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+   <value type="qlonglong" key="ProjectExplorer.Target.ActiveRunConfiguration">0</value>
+   <valuemap type="QVariantMap" key="ProjectExplorer.Target.BuildConfiguration.0">
+    <value type="QString" key="ProjectExplorer.BuildConfiguration.BuildDirectory">/tmp/1/home/eddy/I2C</value>
+    <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
+      <valuelist type="QVariantList" key="GenericProjectManager.GenericMakeStep.BuildTargets">
+       <value type="QString">all</value>
+      </valuelist>
+      <value type="bool" key="ProjectExplorer.BuildStep.Enabled">true</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">GenericProjectManager.GenericMakeStep</value>
+     </valuemap>
+     <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">1</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Build</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Build</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Build</value>
+    </valuemap>
+    <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.1">
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
+      <valuelist type="QVariantList" key="GenericProjectManager.GenericMakeStep.BuildTargets">
+       <value type="QString">clean</value>
+      </valuelist>
+      <value type="bool" key="ProjectExplorer.BuildStep.Enabled">true</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">GenericProjectManager.GenericMakeStep</value>
+     </valuemap>
+     <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">1</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Clean</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Clean</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Clean</value>
+    </valuemap>
+    <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">2</value>
+    <value type="bool" key="ProjectExplorer.BuildConfiguration.ClearSystemEnvironment">false</value>
+    <valuelist type="QVariantList" key="ProjectExplorer.BuildConfiguration.CustomParsers"/>
+    <value type="bool" key="ProjectExplorer.BuildConfiguration.ParseStandardOutput">false</value>
+    <valuelist type="QVariantList" key="ProjectExplorer.BuildConfiguration.UserEnvironmentChanges"/>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">По умолчанию</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">GenericProjectManager.GenericBuildConfiguration</value>
+   </valuemap>
+   <value type="qlonglong" key="ProjectExplorer.Target.BuildConfigurationCount">1</value>
+   <valuemap type="QVariantMap" key="ProjectExplorer.Target.DeployConfiguration.0">
+    <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+     <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">0</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Deploy</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Deploy</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Deploy</value>
+    </valuemap>
+    <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">1</value>
+    <valuemap type="QVariantMap" key="ProjectExplorer.DeployConfiguration.CustomData"/>
+    <value type="bool" key="ProjectExplorer.DeployConfiguration.CustomDataEnabled">false</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.DefaultDeployConfiguration</value>
+   </valuemap>
+   <value type="qlonglong" key="ProjectExplorer.Target.DeployConfigurationCount">1</value>
+   <valuemap type="QVariantMap" key="ProjectExplorer.Target.RunConfiguration.0">
+    <value type="bool" key="Analyzer.Perf.Settings.UseGlobalSettings">true</value>
+    <value type="bool" key="Analyzer.QmlProfiler.Settings.UseGlobalSettings">true</value>
+    <value type="bool" key="Analyzer.Valgrind.Settings.UseGlobalSettings">true</value>
+    <valuelist type="QVariantList" key="CustomOutputParsers"/>
+    <value type="int" key="PE.EnvironmentAspect.Base">2</value>
+    <valuelist type="QVariantList" key="PE.EnvironmentAspect.Changes"/>
+    <value type="bool" key="PE.EnvironmentAspect.PrintOnRun">false</value>
+    <value type="QString" key="PerfRecordArgsId">-e cpu-cycles --call-graph dwarf,4096 -F 250</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName"></value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.CustomExecutableRunConfiguration</value>
+    <value type="QString" key="ProjectExplorer.RunConfiguration.BuildKey"></value>
+    <value type="bool" key="ProjectExplorer.RunConfiguration.Customized">false</value>
+    <value type="bool" key="RunConfiguration.UseCppDebuggerAuto">true</value>
+    <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
+   </valuemap>
+   <value type="qlonglong" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
+  </valuemap>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.TargetCount</variable>
+  <value type="qlonglong">1</value>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.Updater.FileVersion</variable>
+  <value type="int">22</value>
+ </data>
+ <data>
+  <variable>Version</variable>
+  <value type="int">22</value>
+ </data>
+</qtcreator>

LightningSensor/lightning.cxxflags

@@ -0,0 +1 @@
+-std=c++17

LightningSensor/lightning.files

@@ -0,0 +1,6 @@
+i2c.c
+i2c.h
+
+as3935.c
+as3935.h
+main.c

LightningSensor/main.c

@@ -0,0 +1,61 @@
+/*
+ * This file is part of the lightning project.
+ * Copyright 2024 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 "i2c.h"
+#include <stdio.h>
+#include <usefull_macros.h>
+
+typedef struct{
+    char *device;
+    int slaveaddr;
+    int verbose;
+    int help;
+    char *logfile;
+} glob_pars;
+
+static glob_pars G = {.device = "/dev/i2c-3", .slaveaddr = 0};
+
+static myoption cmdlnopts[] = {
+    {"device",  NEED_ARG,   NULL,   'd',    arg_string, APTR(&G.device),    "I2C device path"},
+    {"help",    NO_ARGS,    NULL,   'h',    arg_int,    APTR(&G.help),      "show this help"},
+    {"slave",   NEED_ARG,   NULL,   'a',    arg_int,    APTR(&G.slaveaddr), "I2C slave address"},
+    {"verbose", NO_ARGS,    NULL,   'v',    arg_none,   APTR(&G.verbose),   "Verbose (each -v increase)"},
+    {"logfile", NEED_ARG,   NULL,   'l',    arg_string, APTR(&G.logfile),   "file for logging"},
+   end_option
+};
+
+int main(int argc, char **argv){
+    initial_setup();
+    parseargs(&argc, &argv, cmdlnopts);
+    if(G.help) showhelp(-1, cmdlnopts);
+    if(G.slaveaddr < 0 || G.slaveaddr > 0x7f) ERRX("I2C address should be 7-bit");
+    if(!as3935_open(G.device, G.slaveaddr)) ERR("Can't open %s", G.device);
+    if(G.logfile){
+        sl_loglevel l = LOGLEVEL_ERR;
+        for(int i = 0; i < G.verbose; ++i){
+            if(++l == LOGLEVEL_ANY) break;
+        }
+        OPENLOG(G.logfile, l, 1);
+        if(!globlog) ERRX("Can't open logfile %s", G.logfile);
+    }
+    LOGMSG("Connected to slave 0x%02x\n", G.slaveaddr);
+    ;
+    return 0;
+}
+

schlagbaum/Makefile

@@ -2,12 +2,12 @@
 CLIENT := sslclient
 SERVER := sslserver
 LDFLAGS += -fdata-sections -ffunction-sections -Wl,--gc-sections -Wl,--discard-all
-LDFLAGS += -lusefull_macros -lssl -lcrypto
+LDFLAGS += -lusefull_macros -lssl -lcrypto -lm
 DEFINES := $(DEF) -D_GNU_SOURCE -D_XOPEN_SOURCE=1111
 SOBJDIR := mkserver
 COBJDIR := mkclient
 CFLAGS += -O2 -Wall -Wextra -Wno-trampolines -pthread
-COMMSRCS := sslsock.c daemon.c cmdlnopts.c main.c
+COMMSRCS := sslsock.c daemon.c cmdlnopts.c main.c gpio.c
 SSRC := server.c $(COMMSRCS)
 CSRC := client.c $(COMMSRCS)
 SOBJS := $(addprefix $(SOBJDIR)/, $(SSRC:%.c=%.o))
@@ -43,13 +43,13 @@ $(TARGFILE):
 $(CLIENT) : DEFINES += -DCLIENT
 $(CLIENT) : $(COBJDIR) $(COBJS)
 	@echo -e "\tLD $(CLIENT)"
-	$(CC) $(LDFLAGS) $(COBJS) -o $(CLIENT)
+	$(CC) $(COBJS) $(LDFLAGS) -o $(CLIENT)
 
 
 $(SERVER) : DEFINES += -DSERVER
 $(SERVER) : $(SOBJDIR) $(SOBJS)
 	@echo -e "\tLD $(SERVER)"
-	$(CC) $(LDFLAGS) $(SOBJS) -o $(SERVER)
+	$(CC) $(SOBJS) $(LDFLAGS) -o $(SERVER)
 
 $(SOBJDIR):
 	@mkdir $(SOBJDIR)