138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
// booleans
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#define TRUE (-1)
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#define FALSE (0)
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#define BADFD (-1)
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// buffer lengths
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#define BUFLEN 8196
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#define BUFLENSMALL 255
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#define BUFLENTINY 32
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// Benestar sound meter
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#define MIC_VID "64bd"
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#define MIC_PID "74e3"
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// mic constants
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#define FLAG_DBCMODE (0b00010000) // use dBc (not dBa)
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#define FLAG_MAXMODE (0b00100000) // get max db over interval
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// fast = 125ms exp time avg
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// slow = 1000ms exp time avg
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#define FLAG_FASTMODE (0b01000000)
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// ranges supported by sonometer
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#define FLAG_RANGE_30_130 (0b00000000)
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#define FLAG_RANGE_30_80 (0b00000001)
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#define FLAG_RANGE_50_100 (0b00000010)
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#define FLAG_RANGE_60_110 (0b00000011)
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#define FLAG_RANGE_80_130 (0b00000100)
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// ANSI stuff
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char BOLD[BUFLENTINY];
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char ITALIC[BUFLENTINY];
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char STRIKE[BUFLENTINY];
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char PLAIN[BUFLENTINY];
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char UNDERLINE[BUFLENTINY];
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char RED[BUFLENTINY];
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char MAGENTA[BUFLENTINY];
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char GREEN[BUFLENTINY];
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char YELLOW[BUFLENTINY];
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char BLUE[BUFLENTINY];
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char CYAN[BUFLENTINY];
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char GREY[BUFLENTINY];
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// Output modes
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#define OM_SHORT (1) // Print to stdout in one line
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#define OM_LONG (2) // Print to stdout over multiple lines
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#define OM_DB (4) // Write to influxdb
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// Control strings
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#define CMD_CAPTURE (0xb3) // take a reading
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#define CMD_CONFIGURE (0x56) // apply settings
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#define RES_ACK (0xc4) // ack for command
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// what to do
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enum run_mode {
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M_PROBE, // measure noise level
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M_TEST, // just check for sononeter then exit
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M_TESTDB // just check influxdb access then exit
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};
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// how to measure sound
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enum math_mode {
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M_MAX,
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M_AVG
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};
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// where to log
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#define LOGFILE "/var/log/howard.log"
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#define PIDFILE "/var/run/howard.pid"
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// return codes for read_single_result()
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enum read_status {
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E_NOERROR=0, // all good
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E_TIMEOUT=-1, // didn't receive all data in time
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E_BADREAD=-2 // received too much or too little data
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};
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typedef struct {
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int dirty;
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time_t unixtime;
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uint8_t flags;
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double decibels_last;
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double decibels_max;
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double decibels_avg;
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double decibels_tot;
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int count;
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int rangeidx;
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char range[BUFLENSMALL];
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char dbunits[BUFLENSMALL];
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char checkmode[BUFLENSMALL];
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char timenice[BUFLENSMALL];
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} result_t;
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enum influxcmdtype { I_READ, I_WRITE, I_PING };
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// prototypes
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int add_output_mode(char *m);
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char *append(char *orig, char *new, int maxlen);
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void cleanup(void);
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void clear_results(result_t *data);
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void colprintf( char *prefix, const char *col, char* format, va_list *args );
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int configure_mic(void);
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int daemonize(void);
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struct hostent *dnslookup(char *hname);
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void err( char* format, ... );
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double extract_decibels(uint8_t *buf);
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void generate_commands(void);
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char *getprocfspath(int vid, int pid, char *retvar);
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void handle_signal(int signum);
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int hextoint(char *hex);
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int hook_exits(void);
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int influx_cmd(enum influxcmdtype cmdtype, char *cmd, char *retbuf);
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int influx_httppost(char *hname, int port, char *header, char *body, char *retbuf);
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int influx_init(char *hname, char *db, char *user, char *pass);
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int influx_insert(char *cmd, char *retbuf);
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int influx_ping(char *retbuf);
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int influx_query(char *cmd, char *retbuf);
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int influx_write_decibels(double decibels);
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void info( char* format, ... );
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int init_influxdb(void);
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int init_mic(void);
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int init_output(void);
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int mic_docmd(hid_device *dev, uint8_t *cmd, int cmdlen, uint8_t *buf);
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int output_results(result_t *data);
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int parse_results(uint8_t *buf, result_t *data);
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void pr(char *col, char* format, ... );
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enum read_status read_single_result(hid_device *dev, uint8_t *retbuf);
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void reopen_logfile(int signum);
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int resetusb(char *path);
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void set_ansi(int wantansi);
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int tcpconnect(char *hname, int port);
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void usage(void);
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int validateargs(void);
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void vinfo( char* format, ... );
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void warn( char* format, ... );
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