int ATZ(int fd) //wifi模块重启
{
char cmdbuf[100]="AT+Z\r";
char readbuf[100];
char tmp[50];
int pollret;
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf));
usleep(10000);
pollret = poll_read(fd, readbuf, 50);
if (pollret == -1) return -1;//something must be wrong
//read(fd,readbuf,50);
//printf("1 %d\n", strlen((char *)readbuf));
strncpy(tmp, (char *)readbuf, (strlen((char *)readbuf)));
//printf("1 %d\n", strlen(tmp));
//printf("2 %d\n", strlen(para));
printf("ATZ%s\n", tmp);
init_string(readbuf);
return 0;
if(wflag > 0)
{
//printf("%d\n", strlen((char*)cmdbuf));
printf("WIFI SET: %s\n",cmdbuf);
}
//usleep(7000000);//手册说明重启需要6s
}
int timed_readn(int fd, void * cbuf, size_t len, int flags, int timeout)
{
int left;
int nread;
char * buf = (char *)cbuf;
left = (int)len;
while (left>0)
{
if (poll_read(fd, timeout)!=1)
break;
nread = recv(fd, buf, (size_t)left, flags);
if (nread==-1)
{
if (errno==EINTR)
nread = 0;/* call recv() again */
else
return -1;
}
else if (nread==0)
{
/* EOF */
errno = 0;
break;
}
left -= nread;
buf += nread;
}
return (int)len - left;
}
int timed_read(int fd, void * buf, size_t len, int flags, int timeout)
{
if (poll_read(fd, timeout)!=1)
return -1;
return recv(fd, buf, len, flags);
}
int WMODE(int fd, char *para)//3 //wifi模块设置为STA模式
{
char cmdbuf[100]="AT+WMODE"; //STA\r";
char ret = '\r';
//char ok[] = "+ok";
char readbuf[100];
char *pchar;
int pollret;
char *tmpstring;
init_string(readbuf);
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf));
wflag = write(fd, &ret, 1);
usleep(10000);
pollret = poll_read(fd, readbuf, 50);
if (pollret == -1) return -1;//something must be wrong
//printf("readbuf lenth is %d \n",strlen(readbuf));
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
//printf("readbuf lenth is %d \n",strlen(readbuf));
printf("%s\n", readbuf);
pchar = strstr((char *)readbuf, para);
if (pchar != NULL) return 1; // network parameter unchanged
init_string(readbuf);
strcat(cmdbuf,"=");
strcat(cmdbuf,para);
strcat(cmdbuf,"\r");
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf) + 1);
usleep(10000);
pollret = poll_read(fd, readbuf, 50);
if (pollret == -1) return -1;//something must be wrong
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
printf("%s\n", readbuf);
//init_string(readbuf);
return 0;
/*
pchar = strstr((char *)readbuf, ok);
if (pchar != NULL){
printf("%s\n", ok);
return 0;
}
if(wflag > 0)
{
printf("WIFI SET: %s\n",cmdbuf);
}
*/
}
int WSKEY(int fd, char *para) //STA模式下查询或设置wifi模块的加密和连接密码
{
//printf("enter wskey");
char cmdbuf[100]="AT+WSKEY"; //WPA2PSK,AES,abc123456\r";
char ret = '\r';
char *tmpstring;
char readbuf[100];
char *pchar;
int pollret;
init_string(readbuf);
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf));
wflag = write(fd, &ret, 1);
usleep(100000);
pollret = poll_read(fd, readbuf, 50);
if (pollret == -1) return -1;//something must be wrong
//usleep(400000);
//read(fd,readbuf,50);
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
//strncpy(tmp, (char *)readbuf, (strlen((char *)readbuf)));
//printf("1 %d\n", strlen(tmp));
//printf("2 %d\n", strlen(para));
printf("%s\n", readbuf);
pchar = strstr(readbuf, para);
if (pchar != NULL) return 1;/// network parameter unchanged
init_string(readbuf);
strcat(cmdbuf,"=");
strcat(cmdbuf,para);
strcat(cmdbuf,"\r");
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf) + 1);
usleep(100000);
pollret = poll_read(fd, readbuf, 50);
if (pollret == -1) return -1;//something must be wrong
//usleep(400000);
//read(fd,readbuf,50);
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
printf("%s\n", readbuf);
return 0;//should not get there
}
int EnterAT(int fd){//1
char cmdbuf[] = "+++";
char a = 'a';
char readbuf[20];
int pollret;
char *tmpstring;
init_string(readbuf);
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf));
usleep(10000);
pollret = poll_read(fd, readbuf, 10);
if (pollret == -1) return -1;//need reset wifi module
printf("%s ", readbuf);//should print a
init_string(readbuf);
wflag = write(fd, &a, 1);
usleep(100000);
pollret = poll_read(fd, readbuf, 10);
if (pollret == -1) return -1;//need reset wifi module
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
printf("%s\n", readbuf);//should print +ok
//init_string(readbuf);
return 0;
}
int NETP(int fd, char *para) //设置要连接到的内网服务器IP和端口号
{
//printf("enter netp \n");
//printf("para is %s\n", para);
char cmdbuf[100]="AT+NETP"; //TCP,CLIENT,8899,192.168.1.101\r";
char ret = '\r';
char readbuf[100];
char *pchar;
char *tmpstring;
int pollret;
init_string(readbuf);
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf));
wflag = write(fd, &ret, 1);
usleep(100000);
pollret = poll_read(fd, readbuf, 50);
if (pollret == -1) return -1;//something must be wrong
//printf("readbuf length is %d\n", strlen(readbuf));
//printf("netp is %s\n", readbuf);
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
printf("%s\n", readbuf);
pchar = strstr(readbuf, para);
if (pchar != NULL) return 1;// network parameter unchanged
init_string(readbuf);
strcat(cmdbuf,"=");
strcat(cmdbuf,para);
strcat(cmdbuf,"\r");
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf) + 1);
usleep(100000);
pollret = poll_read(fd, readbuf, 50);
if (pollret == -1) return -1;//something must be wrong
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
printf("%s\n", readbuf);
return 0;
}
int WSSSID(int fd, char *para)//4 //查询或设置wifi模块的SSSID
{
char cmdbuf[100]="AT+WSSSID"; //test\r";
char ret = '\r';
char readbuf[100];
init_string(readbuf);
char *pchar;
int pollret;
char *tmpstring;
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf));
wflag = write(fd, &ret, 1);
usleep(1000000);
pollret = poll_read(fd, readbuf, 50);
if (pollret == -1) return -1;//something must be wrong
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
printf("%s\n", readbuf);
pchar = strstr((char *)readbuf, para);
if (pchar != NULL){
pchar = strchr(readbuf, '=');
pchar++;
if (strcmp(pchar, para) == 0) return 1; //*para isn't substring of *pchar and unchanged
}
init_string(readbuf);
strcat(cmdbuf,"=");
strcat(cmdbuf,para);
strcat(cmdbuf,"\r");
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf) + 1);
usleep(100000);
pollret = poll_read(fd, readbuf, 50);
if (pollret == -1) return -1;//something must be wrong
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
printf("%s", readbuf);
return 0;
}
int WANN(int fd) //查询或设置WAN设置
{
char cmdbuf[100]="AT+WANN\r";
char readbuf[100];
//char tmp[50];
int pollret;
char *tmpstring;
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf) + 1);
usleep(10000);
pollret = poll_read(fd, readbuf, 80);
if (pollret == -1) return -1;//something must be wrong
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
printf("%s\n", readbuf);
//init_string(readbuf);
//strncpy(tmp, (char *)readbuf, (strlen((char *)readbuf)));
//printf("%s\n", tmp);
return 0; // should not get there
}
int stop_return(int fd){//2
char cmdbuf[20]="AT+E\r";
char readbuf[20];
int pollret;
char *tmpstring;
init_string(readbuf);
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf) + 1);
usleep(100000);
pollret = poll_read(fd, readbuf, 10);
//read(fd,readbuf,20);
if (pollret == -1) return -1;//something must be wrong
//tmpstring = strchr(readbuf, '\n');
//*tmpstring = '\0';
tmpstring = strchr(readbuf, '\r');
*tmpstring = '\0';
printf("%s\n", readbuf);
//init_string(readbuf);
return 0;//should print +ok
}
int try_receive_something(int fd, int *data, int len) {
int err = 0;
struct xdma6_buffer_info buf;
poll_read(fd,10);
buf.flags = xdma_DEV_TO_MEM;
err = ioctl(fd, XDMA_REQ_BUFFER, &buf);
if(err) { printf("ERROR: deq_buffer\n"); return 1; }
memcpy((char*)data,buf.data,len*sizeof(int));
printf("-> GOT BUF no.%d: %d %d %d %d %d ...\n", buf.kp_data,
data[0], data[1], data[2], data[3], data[4]);
buf.flags = xdma_DEV_TO_MEM;
err = ioctl(fd, XDMA_ENQ_BUFFER, &buf);
if(err) { printf("ERROR: enq_buffer\n"); return 1; }
return err;
}
int ENTM(int fd) //进入透传模式
{
char cmdbuf[100]="AT+ENTM\r";
char readbuf[100];
char tmp[50];
int pollret;
wflag = write(fd, cmdbuf, strlen((char*)cmdbuf) + 1);
usleep(10000);
pollret = poll_read(fd, readbuf, 50);
if (pollret == -1) return -1;//something must be wrong
//read(fd,readbuf,50);
strncpy(tmp, (char *)readbuf, (strlen((char *)readbuf)));
printf("ENTM%s\n", tmp);
init_string(readbuf);
return 0;
if(wflag > 0 )
{
printf("WIFI SET: %s\n",cmdbuf);
}
}
static int
std_read(connection_t *conn, char *buf, int len, int timeout)
{
int fd;
int result;
int retry = 3;
int poll_result;
int poll_timeout;
if (! conn) {
return -1;
}
fd = conn->fd;
if (fd <= 0 || conn->is_read_shutdown) {
return -1;
}
if (timeout >= 0) {
poll_timeout = timeout;
}
else {
poll_timeout = conn->socket_timeout;
}
if (conn->is_recv_timeout) {
if (conn->recv_timeout != poll_timeout) {
conn->recv_timeout = poll_timeout;
resin_tcp_set_recv_timeout(conn, poll_timeout);
}
}
else {
poll_result = poll_read(fd, poll_timeout);
if (poll_result <= 0) {
return calculate_poll_result(conn, poll_result);
}
}
do {
/* recv returns 0 on end of file */
result = recv(fd, buf, len, 0);
// fprintf(stderr, "rcv %d\n", result);
if (result > 0) {
return result;
}
else if (result == 0) {
/* recv returns 0 on end of file */
return -1;
}
if (errno == EINTR) {
/* EAGAIN is returned by a timeout */
poll_result = poll_read(fd, conn->socket_timeout);
if (poll_result <= 0) {
return calculate_poll_result(conn, poll_result);
}
}
else {
return read_exception_status(conn, errno);
}
} while (retry-- >= 0);
if (result > 0) {
return result;
}
else if (result == 0) {
return -1;
}
else {
return read_exception_status(conn, errno);
}
}
int _BSP_poll_char(void)
{
return poll_read();
}
