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#include <pthread.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include "shared.h"
extern byte address;
extern int rfd, wfd;
extern void *timer(void *);
extern void *comms(void *);
extern int exitAfter;
void packetNotifyReceive(byte *data, byte length)
{
int i;
printTime();
printf("master %d received packet:", address);
for(i = 0; i < length; i++)
printf(" %02x", data[i]);
printf("\n");
fflush(stdout);
if (!strncmp(data, "A", length)) {
reply();
sendDataByte('B');
endMessage();
} else
releaseReceiveBuffer();
}
void comms_main()
{
sendMessage(1);
sendDataByte('G');
sendDataByte('O');
endMessage();
uartTransmit(0x54);
uartTransmit(0xff);
}
int main(int argc, char **argv)
{
pthread_t timer_thread;
pthread_t comms_thread;
pthread_attr_t pthread_custom_attr;
char buf[1024];
FILE *f;
int c;
extern byte action;
extern byte action_value;
extern int act_after;
if (argc == 1) {
action = ACT_NONE;
exitAfter = 10;
} else if (argc == 5) {
act_after = atoi(argv[1]);
action = atoi(argv[2]);
action_value = atoi(argv[3]);
exitAfter = atoi(argv[4]);
} else {
fprintf(stderr, "Usage: ./master action_after action action_val exit\n");
exit(1);
}
switch(fork()) {
case -1:
perror("Fork failed");
exit(1);
case 0:
f = popen("./slave", "r");
while(fgets(buf, 1024, f)) {
printf(buf);
fflush(stdout);
}
pclose(f);
exit(1);
}
printf("Starting master\n");
fflush(stdout);
alarm(10);
address = 0;
rfd = open("0", O_RDONLY);
wfd = open("1", O_WRONLY | O_NONBLOCK);
pthread_attr_init(&pthread_custom_attr);
pthread_create(&timer_thread, &pthread_custom_attr, timer, NULL);
pthread_create(&comms_thread, &pthread_custom_attr, comms, NULL);
comms_main();
pthread_join(timer_thread, NULL);
pthread_join(comms_thread, NULL);
return 0;
}
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