history8610.c

/*  open8610 - history8610.c
 *
 *  Version 0.01
 *
 *  Control WS8610 weather station
 *
 *  Copyright 2003-2006, Kenneth Lavrsen, Grzegorz Wisniewski, Sander Eerkes, Philip Rayner
 *  Portions by Laurent Chauvin
 *
 *  This program is published under the GNU General Public license
 */

#include "rw8610.h"

/********************************************************************
 * print_usage prints a short user guide
 *
 * Input:   none
 *
 * Output:  prints to stdout
 *
 * Returns: exits program
 *
 ********************************************************************/
void print_usage(void)
{
    printf("\n");
    printf("history8610 - Dump all history data from WS-8610 to file.\n");
    printf("(C)2003 Kenneth Lavrsen, Grzegorz Wisniewski, Sander Eerkes.\n");
    printf("(C)2006-7 Phil Rayner.\n");
    printf("This program is released under the GNU General Public License (GPL)\n\n");
    printf("Usage:\n");
    printf("history8610 filename start_record end_record\n");
    printf("Record number in dec, range 0 - 3200\n");
    exit(0);
}


/********** MAIN PROGRAM ************************************************
 *
 * This program reads the history records from a WS8610
 * weather station at a given record range
 * and prints the data to stdout and to a file.
 * Just run the program without parameters for usage.
 *
 * It uses the config file for device name.
 * Config file locations - see open8610.conf
 *
 ***********************************************************************/
int main(int argc, char *argv[])
{
    WEATHERSTATION ws;
    FILE *fileptr;
    unsigned char data[32768];
    int o_count;
    int i, j, rec_count;
    int start_rec, end_rec, start_adr, end_adr;
    struct config_type config;

    // Get in-data and select mode.

    // Get serial port from connfig file.
    // Note: There is no command line config file path feature!
    // history8610 will only search the default locations for the config file

    get_configuration(&config, "");

    if (argc!=4)
    {
        print_usage();
        exit(0);
    }

    // Setup serial port
    ws = open_weatherstation(config.serial_device_name);


    fileptr = fopen(argv[1], "w");
    if (fileptr == NULL)
    {
        printf("Cannot open file %s\n",argv[1]);
        exit(0);
    }

    start_rec = strtol(argv[2],NULL,10);
    end_rec = strtol(argv[3],NULL,10);

    if (start_rec < 0 || end_rec < 0 ||
            start_rec>=end_rec)
    {
        printf("Record range invalid\n");
        exit(0);
    }

    if ((o_count = outdoor_count(ws)) == -1)
    {
        printf("Cannot get count of outdoor sensors\n");
        close_weatherstation(ws);
        fclose(fileptr);
        exit(0);
    }

    start_adr = start_rec * get_history_record_length(o_count) + HISTORY_BUFFER_ADR;
    end_adr = end_rec * get_history_record_length(o_count) + HISTORY_BUFFER_ADR + get_history_record_length(o_count) - 1;

    if (read_safe(ws, start_adr, end_adr-start_adr + 1, data) == -1) {
        printf("\nError reading data\n");
        close_weatherstation(ws);
        fclose(fileptr);
        exit(0);
    }

    // Write out the data
    rec_count = start_rec;
    for (i=0; i<=end_adr-start_adr; i+=get_history_record_length(o_count))
    {
        printf("Record %04i ",rec_count);
        fprintf(fileptr,"Record %04i ",rec_count);
        for (j = 0; j < get_history_record_length(o_count); j++)
        {
            printf("%02X ",data[i + j]);
            fprintf(fileptr,"%02X ",data[i + j]);
        }
        rec_count++;
        printf("\n");
        fprintf(fileptr,"\n");
    }

    // Goodbye and Goodnight
    close_weatherstation(ws);
    fclose(fileptr);

    return(0);
}