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#include "src/i2c.h"
#include <errno.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/signal.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
#define TERMINAL "/dev/i2c-1"
void signal_handler_IN(int status); /* definition of signal handler */
int fd;
struct termios termAttr;
struct sigaction saio;
I2CDevice device;
int main() {
fd = open(TERMINAL, O_RDWR | O_NOCTTY | O_NDELAY);
if (fd == -1) {
perror("open_port: Unable to open port \n");
exit(1);
}
device.bus = fd;
device.addr = 0x04;
device.tenbit = 0;
device.delay = 10;
device.flags = 0;
device.page_bytes = 8;
device.iaddr_bytes = 0;
/* Configure signal handling */
sigemptyset(&saio.sa_mask);
saio.sa_handler = signal_handler_IN;
saio.sa_flags = 0;
saio.sa_restorer = NULL;
sigaction(SIGINT, &saio, NULL);
fcntl(fd, F_SETFL, FNDELAY);
fcntl(fd, F_SETOWN, getpid());
fcntl(fd, F_SETFL, O_ASYNC);
tcgetattr(fd, &termAttr);
// baudRate = B115200; /* Not needed */
cfsetospeed(&termAttr, B115200);
termAttr.c_cflag &= ~PARENB;
termAttr.c_cflag &= ~CSTOPB;
termAttr.c_cflag &= ~CSIZE;
termAttr.c_cflag |= CS8;
termAttr.c_cflag |= (CLOCAL | CREAD);
termAttr.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
termAttr.c_iflag &= ~(IXON | IXOFF | IXANY);
termAttr.c_oflag &= ~OPOST;
tcsetattr(fd, TCSANOW, &termAttr);
printf("UART1 configured....\n");
for (int i = 0; i >= 0; i++) {
// some code
char *xstr = "2";
unsigned char buf[80] = {0};
i2c_ioctl_write(&device, 0x0, xstr, 2);
sleep(5);
//i2c_ioctl_read(&device, 0x0, buf, 4);
// std::cout << "buffer" << buf[0];
}
i2c_close(fd);
exit(0);
}
void signal_handler_IN(int status) {
unsigned char buf[80] = {0};
int rdlen;
rdlen = i2c_ioctl_read(&device, 0x0, buf, 4);
std::cout << "buffer" << buf[0];
}
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