play_monitoring.c

Sample code for use on smp 863x processor.

/*
 *
 * Copyright (c) Sigma Designs, Inc. 2005. All rights reserved.
 *
 */

/**
 * @file play_monitoring.c
 * @brief Simple application which demonstates the use of librmmonitoring.
 * 
 * @author Sylvain Garrigues
 */

#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>

#define ALLOW_OS_CODE 1
#include "../rmdef/rmdef.h"
#include "../librmmonitoring/include/librmmonitoring.h"

#define REFRESH_RATE_US 500000

void stop(int);
void usage(char *);
void parse_cmdline(int, char **, RMuint32 *);

RMbool stopped = FALSE;

char *scalers[] = {"OSD scaler", "GFX scaler", "main video scaler", "VCR scaler", "CRT scaler", "subpicture scaler"};

void usage(char *prog_name) {
        printf("Usage: %s [-oscaler n]\nwhere n represents the scaler to use to display monitoring information:\n\
                0: OSD scaler (default)   1: GFX scaler\n\
                2: main video scaler      3: VCR scaler\n\
                4: CRT scaler             5: subpicture scaler\n", prog_name);
        exit(0);
}

void parse_cmdline(int argc, char *argv[], RMuint32 *pScaler) {
       if (argc == 1)
               *pScaler = 0;
       else if (argc == 3)
               if (strcmp("-oscaler", argv[1]) == 0) {
                       if (strlen(argv[2]) > 1)
                               usage(argv[0]);
                       else if ('0' <= argv[2][0] && argv[2][0] <= '5')
                               *pScaler = argv[2][0] - '0';
                       else
                               usage(argv[0]);
               } else
                       usage(argv[0]);
                
       else
               usage(argv[0]);
}

void stop(int a)
{
        puts("\nStopping monitoring.");
        stopped = TRUE;
}

int main(int argc, char *argv[])
{
       RMstatus err;
       RMuint32 scaler_index;

       parse_cmdline(argc, argv, &scaler_index);
       
       printf("Starting monitoring using %s.\n", scalers[scaler_index]);
       err = start_monitoring(scaler_index);
       if (RMFAILED(err)) {
               fputs("Error starting monitoring.\n", stderr);
               return 1;
       }
       
       signal(SIGINT, stop);
       
       printf("Monitoring");
       while (!stopped) {
               update_monitoring();
               usleep(REFRESH_RATE_US);
       }
       
       stop_monitoring();
       if (RMFAILED(err)) {
               fputs("Error stopping monitoring.\n", stderr);
               return 1;
       }

       return 0;
}