diff --git a/html/wifi/wifi.tpl b/html/wifi/wifi.tpl
index 2f474ea..02bc58e 100644
--- a/html/wifi/wifi.tpl
+++ b/html/wifi/wifi.tpl
@@ -79,7 +79,7 @@ window.onload=function(e) {
ESP Link - Wifi Configuration
Current WiFi mode: %WiFiMode%
-Current network: %currSsid%
+Current network: %currSsid% Status: %currStatus% Phy:%currPhy%
Note: %WiFiapwarn%
diff --git a/serial/uart.c b/serial/uart.c
index 7f43bf8..1fd96fe 100644
--- a/serial/uart.c
+++ b/serial/uart.c
@@ -50,11 +50,14 @@ uart_config(uint8 uart_no)
PIN_PULLDWN_DIS(PERIPHS_IO_MUX_GPIO2_U);
PIN_PULLUP_DIS(PERIPHS_IO_MUX_GPIO2_U);
} else {
- /* rcv_buff size if 0x100 */
+ /* rcv_buff size is 0x100 */
ETS_UART_INTR_ATTACH(uart0_rx_intr_handler, &(UartDev.rcv_buff));
- PIN_PULLUP_DIS(PERIPHS_IO_MUX_U0TXD_U);
+ PIN_PULLUP_DIS (PERIPHS_IO_MUX_U0TXD_U);
+ PIN_PULLDWN_DIS(PERIPHS_IO_MUX_U0TXD_U);
PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0TXD_U, FUNC_U0TXD);
- PIN_FUNC_SELECT(PERIPHS_IO_MUX_MTDO_U, FUNC_U0RTS);
+ PIN_PULLUP_DIS (PERIPHS_IO_MUX_U0RXD_U);
+ PIN_PULLDWN_DIS(PERIPHS_IO_MUX_U0RXD_U);
+ PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0RXD_U, 0); // FUNC_U0RXD==0
}
uart_div_modify(uart_no, UART_CLK_FREQ / (UartDev.baut_rate));
diff --git a/user/cgiwifi.c b/user/cgiwifi.c
index 6f06944..f1d2fb8 100644
--- a/user/cgiwifi.c
+++ b/user/cgiwifi.c
@@ -14,10 +14,74 @@ Cgi/template routines for the /wifi url.
#include
#include "cgiwifi.h"
+#include "status.h"
//Enable this to disallow any changes in AP settings
//#define DEMO_MODE
+// ===== wifi status change callback
+
+uint8_t wifiState = wifiIsDisconnected;
+// reasons for which a connection failed
+uint8_t wifiReason = 0;
+static char *wifiReasons[] = {
+ "", "unspecified", "auth_expire", "auth_leave", "assoc_expire", "assoc_toomany", "not_authed",
+ "not_assoced", "assoc_leave", "assoc_not_authed", "disassoc_pwrcap_bad", "disassoc_supchan_bad",
+ "ie_invalid", "mic_failure", "4way_handshake_timeout", "group_key_update_timeout",
+ "ie_in_4way_differs", "group_cipher_invalid", "pairwise_cipher_invalid", "akmp_invalid",
+ "unsupp_rsn_ie_version", "invalid_rsn_ie_cap", "802_1x_auth_failed", "cipher_suite_rejected",
+ "beacon_timeout", "no_ap_found" };
+
+static char* ICACHE_FLASH_ATTR wifiGetReason(void) {
+ if (wifiReason <= 24) return wifiReasons[wifiReason];
+ if (wifiReason >= 200 && wifiReason <= 201) return wifiReasons[wifiReason-200+25];
+ return wifiReasons[1];
+}
+
+// handler for wifi status change callback coming in from espressif library
+static void ICACHE_FLASH_ATTR wifiHandleEventCb(System_Event_t *evt) {
+ switch (evt->event) {
+ case EVENT_STAMODE_CONNECTED:
+ wifiState = wifiIsConnected;
+ wifiReason = 0;
+ os_printf("Wifi connected to ssid %s, ch %d\n", evt->event_info.connected.ssid,
+ evt->event_info.connected.channel);
+ statusWifiUpdate(wifiState);
+ break;
+ case EVENT_STAMODE_DISCONNECTED:
+ wifiState = wifiIsDisconnected;
+ wifiReason = evt->event_info.disconnected.reason;
+ os_printf("Wifi disconnected from ssid %s, reason %s\n",
+ evt->event_info.disconnected.ssid, wifiGetReason());
+ statusWifiUpdate(wifiState);
+ break;
+ case EVENT_STAMODE_AUTHMODE_CHANGE:
+ os_printf("Wifi auth mode: %d -> %d\n",
+ evt->event_info.auth_change.old_mode, evt->event_info.auth_change.new_mode);
+ break;
+ case EVENT_STAMODE_GOT_IP:
+ wifiState = wifiGotIP;
+ wifiReason = 0;
+ os_printf("Wifi got ip:" IPSTR ",mask:" IPSTR ",gw:" IPSTR "\n",
+ IP2STR(&evt->event_info.got_ip.ip), IP2STR(&evt->event_info.got_ip.mask),
+ IP2STR(&evt->event_info.got_ip.gw));
+ statusWifiUpdate(wifiState);
+ break;
+ case EVENT_SOFTAPMODE_STACONNECTED:
+ os_printf("Wifi AP: station " MACSTR " joined, AID = %d\n",
+ MAC2STR(evt->event_info.sta_connected.mac), evt->event_info.sta_connected.aid);
+ break;
+ case EVENT_SOFTAPMODE_STADISCONNECTED:
+ os_printf("Wifi AP: station " MACSTR " left, AID = %d\n",
+ MAC2STR(evt->event_info.sta_disconnected.mac), evt->event_info.sta_disconnected.aid);
+ break;
+ default:
+ break;
+ }
+}
+
+// ===== wifi scanning
+
//WiFi access point data
typedef struct {
char ssid[32];
@@ -35,14 +99,6 @@ typedef struct {
//Static scan status storage.
static ScanResultData cgiWifiAps;
-#define CONNTRY_IDLE 0
-#define CONNTRY_WORKING 1
-#define CONNTRY_SUCCESS 2
-#define CONNTRY_FAIL 3
-//Connection result var
-static int connTryStatus=CONNTRY_IDLE;
-static ETSTimer resetTimer;
-
//Callback the code calls when a wlan ap scan is done. Basically stores the result in
//the cgiWifiAps struct.
void ICACHE_FLASH_ATTR wifiScanDoneCb(void *arg, STATUS status) {
@@ -95,7 +151,6 @@ void ICACHE_FLASH_ATTR wifiScanDoneCb(void *arg, STATUS status) {
cgiWifiAps.scanInProgress=0;
}
-
//Routine to start a WiFi access point scan.
static void ICACHE_FLASH_ATTR wifiStartScan() {
// int x;
@@ -152,74 +207,62 @@ int ICACHE_FLASH_ATTR cgiWiFiScan(HttpdConnData *connData) {
}
}
-//Temp store for new ap info.
-static struct station_config stconf;
+// ===== timers to change state and rescue from failed associations
+
+//#define CONNTRY_IDLE 0
+//#define CONNTRY_WORKING 1
+//#define CONNTRY_SUCCESS 2
+//#define CONNTRY_FAIL 3
+//Connection result var
+//static int connTryStatus=CONNTRY_IDLE;
+
+// reset timer changes back to STA+AP if we can't associate
+#define RESET_TIMEOUT (15000) // 15 seconds
+static ETSTimer resetTimer;
//This routine is ran some time after a connection attempt to an access point. If
//the connect succeeds, this gets the module in STA-only mode.
static void ICACHE_FLASH_ATTR resetTimerCb(void *arg) {
- int x=wifi_station_get_connect_status();
+ int x = wifi_station_get_connect_status();
int m = wifi_get_opmode();
- if (x==STATION_GOT_IP) {
- //Go to STA mode. This needs a reset, so do that.
- connTryStatus=CONNTRY_SUCCESS;
+ os_printf("Wifi check: mode=%d status=%d\n", m, x);
+
+ if (x == STATION_GOT_IP) {
if (m != 1) {
- os_printf("Got IP. Going into STA mode..\n");
+ // We're happily connected, go to STA mode
+ os_printf("Wifi got IP. Going into STA mode..\n");
wifi_set_opmode(1);
+ os_timer_arm(&resetTimer, RESET_TIMEOUT, 0);
}
- } else {
- connTryStatus=CONNTRY_FAIL;
- if (m != 3) {
- os_printf("Connect fail. Going into STA+AP mode..\n");
- wifi_set_opmode(3);
- }
- //Maybe also pass this through on the webpage?
+ } else if (m != 3) {
+ os_printf("Wifi connect failed. Going into STA+AP mode..\n");
+ wifi_set_opmode(3);
+ os_timer_arm(&resetTimer, RESET_TIMEOUT, 0);
}
- os_timer_arm(&resetTimer, 15000, 0);
}
+// Temp store for new ap info.
+static struct station_config stconf;
+// Reassociate timer to delay change of association so the original request can finish
+static ETSTimer reassTimer;
-
-//Actually connect to a station. This routine is timed because I had problems
-//with immediate connections earlier. It probably was something else that caused it,
-//but I can't be arsed to put the code back :P
+// Callback actually doing reassociation
static void ICACHE_FLASH_ATTR reassTimerCb(void *arg) {
- int x;
- os_printf("Try to connect to AP....\n");
+ os_printf("Wifi changing association\n");
wifi_station_disconnect();
wifi_station_set_config(&stconf);
- //wifi_station_connect();
- x=wifi_get_opmode();
- connTryStatus=CONNTRY_WORKING;
- if (x == 1) {
- //Schedule disconnect/connect
- os_timer_disarm(&resetTimer);
- os_timer_setfn(&resetTimer, resetTimerCb, NULL);
- os_timer_arm(&resetTimer, 15000, 0); //time out after 15 secs of trying to connect
- }
+ wifi_station_connect();
+ // Schedule check
+ os_timer_disarm(&resetTimer);
+ os_timer_setfn(&resetTimer, resetTimerCb, NULL);
+ os_timer_arm(&resetTimer, RESET_TIMEOUT, 0);
}
-
-// Init the wireless, which consists of setting a timer if we expect to connect to an AP
-// so we can revert to STA+AP mode if we can't connect.
-void ICACHE_FLASH_ATTR wifiInit() {
- int x=wifi_get_opmode();
- os_printf("Wifi init, mode=%d\n", x);
- if (x == 1) {
- // STA-only mode, reset into STA+AP after a timeout
- os_timer_disarm(&resetTimer);
- os_timer_setfn(&resetTimer, resetTimerCb, NULL);
- os_timer_arm(&resetTimer, 15000, 0);
- }
-}
-
-
//This cgi uses the routines above to connect to a specific access point with the
//given ESSID using the given password.
int ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData) {
char essid[128];
char passwd[128];
- static ETSTimer reassTimer;
if (connData->conn==NULL) {
//Connection aborted. Clean up.
@@ -231,7 +274,7 @@ int ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData) {
os_strncpy((char*)stconf.ssid, essid, 32);
os_strncpy((char*)stconf.password, passwd, 64);
- os_printf("Try to connect to AP %s pw %s\n", essid, passwd);
+ os_printf("Wifi try to connect to AP %s pw %s\n", essid, passwd);
//Schedule disconnect/connect
os_timer_disarm(&reassTimer);
@@ -246,8 +289,7 @@ int ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData) {
return HTTPD_CGI_DONE;
}
-//This cgi uses the routines above to connect to a specific access point with the
-//given ESSID using the given password.
+//This cgi changes the operating mode: STA / AP / STA+AP
int ICACHE_FLASH_ATTR cgiWiFiSetMode(HttpdConnData *connData) {
int len;
char buff[1024];
@@ -260,14 +302,14 @@ int ICACHE_FLASH_ATTR cgiWiFiSetMode(HttpdConnData *connData) {
len=httpdFindArg(connData->getArgs, "mode", buff, sizeof(buff));
if (len!=0) {
int m = atoi(buff);
- os_printf("Switching to wifi mode %d\n", m);
+ os_printf("Wifi switching to mode %d\n", m);
#ifndef DEMO_MODE
wifi_set_opmode(m);
if (m == 1) {
// STA-only mode, reset into STA+AP after a timeout
os_timer_disarm(&resetTimer);
os_timer_setfn(&resetTimer, resetTimerCb, NULL);
- os_timer_arm(&resetTimer, 15000, 0);
+ os_timer_arm(&resetTimer, RESET_TIMEOUT, 0);
}
#endif
}
@@ -276,7 +318,7 @@ int ICACHE_FLASH_ATTR cgiWiFiSetMode(HttpdConnData *connData) {
}
char *connStatuses[] = { "idle", "connecting", "wrong password", "AP not found",
- "failed", "success" };
+ "failed", "got IP address" };
int ICACHE_FLASH_ATTR cgiWiFiConnStatus(HttpdConnData *connData) {
char buff[1024];
@@ -287,27 +329,32 @@ int ICACHE_FLASH_ATTR cgiWiFiConnStatus(HttpdConnData *connData) {
httpdHeader(connData, "Content-Type", "text/json");
httpdEndHeaders(connData);
- len = os_sprintf(buff, "{\"status\": \"")-1;
+ len = os_sprintf(buff, "{\"status\": \"");
if (st > 0 && st < sizeof(connStatuses)) {
- len += os_sprintf(buff+len, "%s", connStatuses[st])-1;
+ len += os_sprintf(buff+len, connStatuses[st]);
} else {
- len += os_sprintf(buff+len, "unknown")-1;
+ len += os_sprintf(buff+len, "unknown");
+ }
+ if (wifiReason != 0) {
+ len += os_sprintf(buff+len, " -- %s", wifiGetReason());
}
if (st == STATION_GOT_IP) {
wifi_get_ip_info(0, &info);
- len+=os_sprintf(buff, "\", \"ip\": \"%d.%d.%d.%d\" }\n",
+ len+=os_sprintf(buff+len, "\", \"ip\": \"%d.%d.%d.%d\" }\n",
(info.ip.addr>>0)&0xff, (info.ip.addr>>8)&0xff,
(info.ip.addr>>16)&0xff, (info.ip.addr>>24)&0xff);
- if (connTryStatus==CONNTRY_WORKING || connTryStatus==CONNTRY_SUCCESS) {
+ if (wifi_get_opmode() != 1) {
//Reset into AP-only mode sooner.
os_timer_disarm(&resetTimer);
os_timer_setfn(&resetTimer, resetTimerCb, NULL);
os_timer_arm(&resetTimer, 1000, 0);
}
} else {
- len+=os_sprintf(buff, "\" }\n");
+ len+=os_sprintf(buff+len, "\" }\n");
}
+ buff[len] = 0;
+ os_printf(" -> %s\n", buff);
httpdSend(connData, buff, len);
return HTTPD_CGI_DONE;
}
@@ -328,6 +375,15 @@ int ICACHE_FLASH_ATTR tplWlan(HttpdConnData *connData, char *token, void **arg)
if (x==3) os_strcpy(buff, "STA+AP");
} else if (os_strcmp(token, "currSsid")==0) {
os_strcpy(buff, (char*)stconf.ssid);
+ } else if (os_strcmp(token, "currStatus")==0) {
+ int st=wifi_station_get_connect_status();
+ if (st > 0 && st < sizeof(connStatuses))
+ os_strcpy(buff, connStatuses[st]);
+ else
+ os_strcpy(buff, "unknown");
+ } else if (os_strcmp(token, "currPhy")==0) {
+ int m = wifi_get_phy_mode();
+ os_sprintf(buff, "%d", m);
} else if (os_strcmp(token, "WiFiPasswd")==0) {
os_strcpy(buff, (char*)stconf.password);
} else if (os_strcmp(token, "WiFiapwarn")==0) {
@@ -348,4 +404,18 @@ int ICACHE_FLASH_ATTR tplWlan(HttpdConnData *connData, char *token, void **arg)
return HTTPD_CGI_DONE;
}
+// Init the wireless, which consists of setting a timer if we expect to connect to an AP
+// so we can revert to STA+AP mode if we can't connect.
+void ICACHE_FLASH_ATTR wifiInit() {
+ int x = wifi_get_opmode();
+ os_printf("Wifi init, mode=%d\n", x);
+ wifi_set_phy_mode(2);
+ wifi_set_event_handler_cb(wifiHandleEventCb);
+ if (x == 1) {
+ // STA-only mode, reset into STA+AP after a timeout
+ os_timer_disarm(&resetTimer);
+ os_timer_setfn(&resetTimer, resetTimerCb, NULL);
+ os_timer_arm(&resetTimer, RESET_TIMEOUT, 0);
+ }
+}
diff --git a/user/cgiwifi.h b/user/cgiwifi.h
index 61f1d84..9746b94 100644
--- a/user/cgiwifi.h
+++ b/user/cgiwifi.h
@@ -3,6 +3,8 @@
#include "httpd.h"
+enum { wifiIsDisconnected, wifiIsConnected, wifiGotIP };
+
int cgiWiFiScan(HttpdConnData *connData);
int tplWlan(HttpdConnData *connData, char *token, void **arg);
int cgiWiFi(HttpdConnData *connData);
diff --git a/user/console.c b/user/console.c
index 0221b42..827e8c0 100644
--- a/user/console.c
+++ b/user/console.c
@@ -31,7 +31,7 @@ console_read(void) {
static void ICACHE_FLASH_ATTR
console_write_char(char c) {
- uart0_write_char(c);
+ //uart0_write_char(c);
if (c == '\n') console_write('\r');
console_write(c);
}
diff --git a/user/status.c b/user/status.c
index f454e4a..fabaaf3 100644
--- a/user/status.c
+++ b/user/status.c
@@ -1,66 +1,71 @@
#include
+#include "cgiwifi.h"
#define LEDGPIO 0
static ETSTimer ledTimer;
void ICACHE_FLASH_ATTR setLed(int on) {
-
+ // LED is active-low
if (on) {
- gpio_output_set((1< STATION_CONNECTING) {
- // some failure, rapid blinking
- ledState = 1-ledState;
- time = 100;
} else {
// idle
- switch (m) {
+ switch (wifi_get_opmode()) {
case 1: // STA
ledState = 0;
break;
case 2: // AP
ledState = 1-ledState;
- time = ledState ? 100 : 1900;
+ time = ledState ? 50 : 1950;
break;
case 3: // STA+AP
ledState = 1-ledState;
- time = ledState ? 100 : 900;
+ time = ledState ? 50 : 950;
break;
}
}
- setLed(1-ledState); // low=on
+ setLed(ledState);
os_timer_arm(&ledTimer, time, 0);
}
-void statusInit() {
+// change the wifi state
+void ICACHE_FLASH_ATTR statusWifiUpdate(uint8_t state) {
+ wifiState = state;
+ // schedule an update (don't want to run into concurrency issues)
+ os_timer_disarm(&ledTimer);
+ os_timer_setfn(&ledTimer, ledTimerCb, NULL);
+ os_timer_arm(&ledTimer, 500, 0);
+}
+
+void ICACHE_FLASH_ATTR statusInit() {
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0);
gpio_output_set(0, 0, (1<