RES_CODE CHandle::tsk_read(CSTRING& str, unsigned int size)
{
char * buf;
str.clear();
if(str.reserve(size) >= size)
{
buf = (char*)str.c_str();
res = tsk_read(buf, size);
buf[size-len] = 0;
str.m_set_size(strlen(buf));
} else
res = RES_OUT_OF_MEMORY;
return res;
}
NET_CODE esp8266_module::wifi_esp8266_init_net(CSocket * sock)
{
NET_CODE res;
CSTRING cmd;
wifi_AP_t AP;
uint32_t sig = 0;
bool found;
res = wifi_send_cmd("+CIFSR", 50);
for(int i =0; i < 5; i++)
{
found = false;
cmd_state |= WIFI_CMD_STATE_ROW_STOP;
res = wifi_send_cmd("+CWLAP", 15);
cmd_state &= ~WIFI_CMD_STATE_ROW_STOP;
do
{
if(sig)
{
process_input(sig, "+CWLAP");
res = cmd_state;
}
if (res >= WIFI_CMD_STATE_OK)
break;
if(res & WIFI_CMD_STATE_RETURNED)
{
cmd_state = res & ~WIFI_CMD_STATE_RETURNED;
if(!found)
{
res = wifi_on_get_AP(this, sock, &AP);
if(res == RES_OK)
found = true;
}
row_start = 0;
row_end = 0;
}
sig = tsk_resume_wait_signal(rcv_hnd.signal);
} while(sig);
if(cmd_state & WIFI_CMD_STATE_OK)
{
if(!found)
res = NET_ERR_WIFI_NET_NAME;
else
res = NET_OK;
break;
}
}
if (res != NET_OK)
return wifi_error(res);
// If the wifi is already connected to a network different than the one
// requested - return NET_IDLE - unavailable
if (NET_OK == wifi_get_network_name(cmd))
{
if (0 != strcmp(cmd.c_str(), AP.name.c_str()))
{
return NET_IDLE;
}
}
cmd.format("+CWJAP=\"%s\",\"%s\"", AP.name.c_str(), AP.pass.c_str());
for(int i=0; i < 3; i++)
{
res = wifi_send_cmd(cmd.c_str(), 50);
if (WIFI_CMD_STATE_OK == res)
{
res = wifi_send_cmd("+CIFSR", 50);
if (WIFI_CMD_STATE_ROK == res)
{
connected_network_name = AP.name;
return NET_OK;
}
break;
}
}
return NET_ERR_WIFI_REGISTER;
if (WIFI_CMD_STATE_OK == res)
{
res = wifi_send_cmd("+CIFSR", 50);
if (WIFI_CMD_STATE_ROK == res)
{
connected_network_name = AP.name;
wifi_send_cmd("+CIPSTART=\"TCP\",\"www.tmos-arm.com\",80", 50);
//wifi_send_cmd("+CIPSTART=\"TCP\",\"192.168.147.100\",6112", 50);
cmd.clear();
cmd.append("+CIPSEND=");
cmd.appendf("%d", strlen(message) + 1);
wifi_send_cmd(cmd.c_str(), 200);
// make sure the handle is working if it is open
while(rcv_hnd.res < FLG_BUSY)
{
process_input(0, NULL);
}
wifi_sleep(20); //(the recommended value is at least 20 ms)
// make sure no URC is coming and the buf is empty
if( cmd_state & WIFI_CMD_STATE_STARTED)
{
if (tsk_wait_signal(rcv_hnd.signal, 8192))
{
do
{
process_input(rcv_hnd.signal, NULL);
} while ( (cmd_state & WIFI_CMD_STATE_STARTED) &&
tsk_resume_wait_signal(rcv_hnd.signal) );
}
}
//start clean
cmd_state &= (WIFI_CMD_STATE_ROW_STOP | WIFI_CMD_STATE_HND);
row_start = row_end = 0;
snd_hnd.tsk_write(message, strlen(message) + 1, WIFI_WRITE_TOT);
return NET_OK;
}
}
return wifi_net_error(res);
}
