/*---------------------------------------------------------------------------*/
void sendbyte(unsigned char bbyte) //发送一个字节
{
PORT_FUNC_GPIO(SID_PORT, SID_PIN);
PORT_DIR_OUTPUT(SID_PORT, SID_PIN);
PORT_FUNC_GPIO(CLK_PORT, CLK_PIN);
PORT_DIR_OUTPUT(CLK_PORT, CLK_PIN);
unsigned char i;
for(i=0;i<8;i++)
{
if(bbyte&0x80)//取出最高位
PORT_SET(SID_PORT, SID_PIN);
else
PORT_CLEAR(SID_PORT, SID_PIN);
PORT_SET(CLK_PORT, CLK_PIN);
PORT_CLEAR(CLK_PORT, CLK_PIN);
bbyte <<= 1; //左移
}
}
void *port_list(struct tracedump *td, bool tcp)
{
char *path;
char buf[BUFSIZ], *ptr1, *ptr2;
FILE *fp;
uint8_t *list;
unsigned long port;
path = tcp ? "/proc/net/tcp" : "/proc/net/udp";
fp = fopen(path, "r");
if (!fp) {
dbg(1, "fopen(%s): %s\n", path, strerror(errno));
return NULL;
}
/* a bitmask 1: active, 0: inactive */
list = mmatic_zalloc(td->mm, UINT16_MAX / sizeof(uint8_t));
while (fgets(buf, sizeof buf, fp)) {
/* first : */
ptr1 = strchr(buf, ':');
if (!ptr1) continue;
ptr1++;
/* second : */
ptr1 = strchr(ptr1, ':');
if (!ptr1) continue;
ptr1++;
/* space */
ptr2 = strchr(ptr1, ' ');
if (!ptr2) continue;
ptr2[0] = '\0';
/* translate */
port = strtol(ptr1, NULL, 16);
PORT_SET(list, port);
}
fclose(fp);
return list;
}