static void dhcp_async_cb(uint8 sock, uint8 item, int32 ret) // for async mode
{
switch(item) {
case WATCH_SOCK_UDP_SEND:
if(dhcp_alarm) alarm_set(10, dhcp_alarm_cb, 0);
dhcp_run_tick = wizpf_get_systick();
if(ret == RET_OK) {
DBG("DHCP Discovery Sent Async");
if(di.state == DHCP_STATE_INIT) SET_STATE(DHCP_STATE_SEARCHING);
else if(di.state == DHCP_STATE_SELECTING) SET_STATE(DHCP_STATE_REQUESTING);
else DBGCRTCA(TRUE, "wrong state(%d)", di.state);
} else {
DBGA("WATCH_SOCK_UDP_SEND fail - ret(%d)", ret);
}
break;
case WATCH_SOCK_TCP_SEND:
case WATCH_SOCK_CONN_TRY:
case WATCH_SOCK_CLS_TRY:
case WATCH_SOCK_CONN_EVT:
case WATCH_SOCK_CLS_EVT:
case WATCH_SOCK_RECV:
DBGCRTC(TRUE, "DHCP does not use TCP");
default: DBGCRTCA(TRUE, "wrong item(0x%x)", item);
}
}
void initTable()
{
startTime = wizpf_get_systick();
snmpData[6].u.intval = 5;
snmpData[7].u.intval = 0;
snmpData[8].u.intval = 0;
}
int32 main(void)
{
#define TCP_LISTEN_PORT 5000
#define UDP_LISTEN_PORT 5000
int8 ret, root;
uint32 tick = 0;
ret = platform_init();
if(ret != RET_OK) {
goto FAIL_TRAP;
}
ret = network_init(SOCK_DHCP, NULL, NULL);
if(ret != RET_OK) {
ERRA("network_init fail - ret(%d)", ret);
goto FAIL_TRAP;
}
printf("\r\n-----------------------------------\r\n");
printf("SMTP Client using W5200\r\n");
printf("-----------------------------------\r\n\r\n");
Delay_tick(2000);
menu_init();
root = menu_add("Network setting", 0, NULL);
menu_add("Show", root, mn_show_network);
menu_add("Static Set", root, mn_set_network);
menu_add("Loopback", 0, mn_loopback);
menu_add("LED Test", 0, mn_set_led);
root = menu_add("App Test", 0, NULL);
menu_add("DNS", root, mn_dns);
menu_add("BASE64", root, mn_base64);
menu_add("eMail", root, mn_email);
menu_print_tree();
dhcp_alarm_start(NULL);
while(1) {
alarm_run();
menu_run();
if(lb_tcp) loopback_tcps(7, (uint16)TCP_LISTEN_PORT);
if(lb_udp) loopback_udp(7, (uint16)UDP_LISTEN_PORT);
if(wizpf_tick_elapse(tick) > 1000) { // running check
wizpf_led_set(WIZ_LED3, VAL_TOG);
tick = wizpf_get_systick();
}
}
FAIL_TRAP:
wizpf_led_trap(1);
return 0;
}
int32 wizpf_tick_elapse(uint32 tick) // + Elapsed time, - Remaining time
{
uint32 cur = wizpf_get_systick();
return cur - tick;
}
static void dhcp_run(void)
{
static bool udp_open_fail = FALSE;
if(di.state == DHCP_STATE_INIT && di.action != DHCP_ACT_START) {
DBG("wrong attempt");
return;
} else if(GetUDPSocketStatus(di.sock) == SOCKSTAT_CLOSED) {
if(udp_open_fail == TRUE && !IS_TIME_PASSED(dhcp_run_tick, DHCP_RETRY_DELAY))
goto RET_ALARM;
ClsNetInfo(NI_IP_ADDR);
ClsNetInfo(NI_SN_MASK);
ClsNetInfo(NI_GW_ADDR);
ClsNetInfo(NI_DNS_ADDR);
if(UDPOpen(di.sock, DHCP_CLIENT_PORT) == RET_OK) {
if(dhcp_async) sockwatch_open(di.sock, dhcp_async_cb);
udp_open_fail = FALSE;
dhcp_run_tick = wizpf_get_systick();
dhcp_run_cnt = 0;
} else {
ERR("UDPOpen fail");
udp_open_fail = TRUE;
dhcp_run_tick = wizpf_get_systick();
goto RET_ALARM;
}
}
switch(di.state) {
case DHCP_STATE_INIT:
if(dhcp_run_cnt==0 && !IS_TIME_PASSED(dhcp_run_tick, DHCP_OPEN_DELAY))
goto RET_ALARM;
if(dhcp_run_cnt < DHCP_SEND_RETRY_COUNT) {
dhcp_run_cnt++;
if(send_discover() == RET_OK) { // Discover ok
if(dhcp_async) {
DBG("DHCP Discovery Send Async");
sockwatch_set(di.sock, WATCH_SOCK_UDP_SEND);
return; // alarm set is not needed
} else {
DBG("DHCP Discovery Sent");
SET_STATE(DHCP_STATE_SEARCHING);
dhcp_run_tick = wizpf_get_systick();
}
} else {
ERRA("DHCP Discovery SEND fail - (%d)times", dhcp_run_cnt);
dhcp_run_tick = wizpf_get_systick();
}
} else {
ERRA("DHCP Discovery SEND fail - (%d)times", dhcp_run_cnt);
dhcp_run_cnt = 0;
UDPClose(di.sock);
if(dhcp_async) sockwatch_close(di.sock);
dhcp_fail();
return; // alarm set is not needed
}
break;
case DHCP_STATE_SEARCHING:
if(!IS_TIME_PASSED(dhcp_run_tick, DHCP_RETRY_DELAY)) {
int8 ret = recv_handler();
if(ret == DHCP_MSG_OFFER) {
SET_STATE(DHCP_STATE_SELECTING);
dhcp_run_tick = wizpf_get_systick();
dhcp_run_cnt = 0;
} else if(ret != RET_NOK) DBGCRTCA(TRUE, "recv wrong packet(%d)", ret);
} else {
ERRA("DHCP Offer RECV fail - for (%d)msec", DHCP_RETRY_DELAY);
SET_STATE(DHCP_STATE_INIT);
dhcp_run_tick = wizpf_get_systick();
}
break;
case DHCP_STATE_SELECTING:
if(dhcp_run_cnt < DHCP_SEND_RETRY_COUNT) {
dhcp_run_cnt++;
if(send_request() == RET_OK) { // Request ok
if(dhcp_async) {
DBG("DHCP Request Send Async");
sockwatch_set(di.sock, WATCH_SOCK_UDP_SEND);
return; // alarm set is not needed
} else {
DBG("DHCP Request Sent");
SET_STATE(DHCP_STATE_REQUESTING);
dhcp_run_tick = wizpf_get_systick();
}
} else {
ERRA("DHCP Request SEND fail - (%d)times", dhcp_run_cnt);
dhcp_run_tick = wizpf_get_systick();
}
} else {
ERRA("DHCP Request SEND fail - (%d)times", dhcp_run_cnt);
dhcp_run_cnt = 0;
UDPClose(di.sock);
if(dhcp_async) sockwatch_close(di.sock);
dhcp_fail();
return; // alarm set is not needed
}
break;
case DHCP_STATE_REQUESTING:
if(!IS_TIME_PASSED(dhcp_run_tick, DHCP_RETRY_DELAY)) {
int8 ret = recv_handler();
if(ret == DHCP_MSG_ACK) { // Recv ACK
LOG("DHCP Success");
SET_STATE(DHCP_STATE_IP_CHECK);
dhcp_run_tick = wizpf_get_systick();
dhcp_run_cnt = 0;
} else if(ret == DHCP_MSG_NAK) { // Recv NAK
if(di.action == DHCP_ACT_START) {
SET_STATE(DHCP_STATE_INIT);
dhcp_run_tick = wizpf_get_systick();
} else {
SET_STATE(DHCP_STATE_BOUND);
}
dhcp_run_cnt = 0;
} else if(ret != RET_NOK) DBGCRTCA(TRUE, "recv wrong packet(%d)", ret);
} else {
ERRA("DHCP ACK RECV fail - for (%d)msec", DHCP_RETRY_DELAY);
if(di.action == DHCP_ACT_START) {
SET_STATE(DHCP_STATE_INIT);
dhcp_run_tick = wizpf_get_systick();
} else {
SET_STATE(DHCP_STATE_BOUND);
}
}
break;
case DHCP_STATE_IP_CHECK:
//if(send_checker() == RET_OK) {
SET_STATE(DHCP_STATE_BOUND);
SetNetInfo(&workinfo);
if(di.ip_update) di.ip_update();
LOGA("DHCP ok - New IP (%d.%d.%d.%d)",
workinfo.ip[0], workinfo.ip[1], workinfo.ip[2], workinfo.ip[3]);
//} else {
// SET_STATE(DHCP_STATE_INIT);
// ERR("IP Addr conflicted - IP(%d.%d.%d.%d)", workinfo.ip[0], workinfo.ip[1], workinfo.ip[2], workinfo.ip[3]);
// send_rel_dec(DHCP_MSG_DECLINE);
// if(di.ip_conflict) (*di.ip_conflict)();
//}
break;
case DHCP_STATE_BOUND:
di.action = DHCP_ACT_NONE;
UDPClose(di.sock);
if(dhcp_async) sockwatch_close(di.sock);
return; // alarm set is not needed
case DHCP_STATE_FAILED:
return; // alarm set is not needed
default:
ERRA("wrong state(%d)", di.state);
return; // alarm set is not needed
}
RET_ALARM:
if(dhcp_alarm) alarm_set(10, dhcp_alarm_cb, 0);
}
void currentUptime(void *ptr, uint8 *len)
{
time_t curTime = wizpf_get_systick();
*(uint32 *)ptr = (uint32)(curTime - startTime) / 10;
*len = 4;
}
int32 main(void)
{
#define TCP_LISTEN_PORT 5000
#define UDP_LISTEN_PORT 5000
int8 ret, root;
uint32 dhcp_renew, dhcp_rebind, dhcp_time;
uint32 dhcp_tick, led_tick;
ret = platform_init();
if(ret != RET_OK) {
goto FAIL_TRAP;
}
ret = network_init(SOCK_DHCP, NULL, NULL);
if(ret != RET_OK) {
ERRA("network_init fail - ret(%d)", ret);
goto FAIL_TRAP;
}
printf("\r\n-----------------------------------\r\n");
printf("SMTP Client using W5200\r\n");
printf("-----------------------------------\r\n\r\n");
Delay_tick(2000);
do {
ret = dhcp_manual(DHCP_ACT_START, NULL, &dhcp_renew, &dhcp_rebind);
} while(ret != RET_OK);
dhcp_renew = wizpf_tick_conv(FALSE, dhcp_renew);
dhcp_rebind = wizpf_tick_conv(FALSE, dhcp_rebind);
dhcp_time = dhcp_renew;
menu_init();
root = menu_add("Network setting", 0, NULL);
menu_add("Show", root, mn_show_network);
menu_add("Static Set", root, mn_set_network);
menu_add("Loopback", 0, mn_loopback);
menu_add("LED Test", 0, mn_set_led);
root = menu_add("App Test", 0, NULL);
menu_add("DNS", root, mn_dns);
menu_add("BASE64", root, mn_base64);
menu_add("eMail", root, mn_email);
menu_print_tree();
dhcp_tick = led_tick = wizpf_get_systick();
while(1) {
if(wizpf_tick_elapse(dhcp_tick) > dhcp_time) {
if(dhcp_time==dhcp_renew) DBG("start renew"); else DBG("start rebind");
ret = dhcp_manual(dhcp_time==dhcp_renew? DHCP_ACT_RENEW: DHCP_ACT_REBIND,
NULL, &dhcp_renew, &dhcp_rebind);
dhcp_tick = wizpf_get_systick();
if(ret == RET_OK) { // renew success
dhcp_renew = wizpf_tick_conv(FALSE, dhcp_renew);
dhcp_rebind = wizpf_tick_conv(FALSE, dhcp_rebind);
dhcp_time = dhcp_renew;
} else {
if(dhcp_time == dhcp_renew) dhcp_time = dhcp_rebind; // renew fail, so try rebind
else dhcp_time = 60000; // retry after 1 min
}
}
menu_run();
if(lb_tcp) loopback_tcps(7, (uint16)TCP_LISTEN_PORT);
if(lb_udp) loopback_udp(7, (uint16)UDP_LISTEN_PORT);
if(wizpf_tick_elapse(led_tick) > 1000) {
wizpf_led_set(WIZ_LED3, VAL_TOG);
led_tick = wizpf_get_systick();
}
}
FAIL_TRAP:
wizpf_led_trap(1);
return 0;
}