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esp-link
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wifi improvements

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v0.9.0
Thorsten von Eicken 10 years ago
parent 57662b0824
commit f3fe029705
12 changed files with 149 additions and 64 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 2
      espfs/espfs.c
  2. 2
      html/wifi/connecting.html
  3. 5
      html/wifi/wifi.tpl
  4. 12
      httpd/httpd.c
  5. 2
      serial/uart.h
  6. 4
      user/cgiflash.c
  7. 90
      user/cgiwifi.c
  8. 1
      user/cgiwifi.h
  9. 2
      user/console.c
  10. 42
      user/status.c
  11. 3
      user/user_main.c
  12. 4
      wiflash

2
espfs/espfs.c
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@ -176,7 +176,7 @@ EspFsFile ICACHE_FLASH_ATTR *espFsOpen(char *fileName) {
//Decoder params are stored in 1st byte.
memcpyAligned(&parm, r->posComp, 1);
r->posComp++;
os_printf("Heatshrink compressed file; decode parms = %x\n", parm);
//os_printf("Heatshrink compressed file; decode parms = %x\n", parm);
dec=heatshrink_decoder_alloc(16, (parm>>4)&0xf, parm&0xf);
r->decompData=dec;
#endif

2
html/wifi/connecting.html
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@ -1,5 +1,5 @@
<html><head><title>Connecting... - ESP Link</title>
<link rel="stylesheet" type="text/css" href="style.css">
<link rel="stylesheet" type="text/css" href="/style.css">
<script type="text/javascript" src="140medley.min.js"></script>
<script type="text/javascript">

5
html/wifi/wifi.tpl
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@ -28,7 +28,7 @@ function createInputForAp(ap) {
input.id="opt-"+ap.essid;
var label=document.createElement("label");
label.htmlFor="opt-"+ap.essid;
label.textContent=ap.essid;
label.textContent=ap.essid+" ("+ap.rssi+")";
div.appendChild(input);
div.appendChild(rssi);
div.appendChild(encrypt);
@ -78,7 +78,8 @@ window.onload=function(e) {
<h1>ESP Link - Wifi Configuration</h1>
<p>
Current WiFi mode: %WiFiMode%
Current WiFi mode: %WiFiMode%<br>
Current network: %currSsid%
</p>
<p>
Note: %WiFiapwarn%

12
httpd/httpd.c
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@ -144,12 +144,12 @@ int ICACHE_FLASH_ATTR httpdFindArg(char *line, char *arg, char *buff, int buffLe
if (line==NULL) return 0;
p=line;
while(p!=NULL && *p!='\n' && *p!='\r' && *p!=0) {
os_printf("findArg: %s\n", p);
//os_printf("findArg: %s\n", p);
if (os_strncmp(p, arg, os_strlen(arg))==0 && p[strlen(arg)]=='=') {
p+=os_strlen(arg)+1; //move p to start of value
e=(char*)os_strstr(p, "&");
if (e==NULL) e=p+os_strlen(p);
os_printf("findArg: val %s len %d\n", p, (e-p));
//os_printf("findArg: val %s len %d\n", p, (e-p));
return httpdUrlDecode(p, (e-p), buff, buffLen);
}
p=(char*)os_strstr(p, "&");
@ -260,7 +260,7 @@ static void ICACHE_FLASH_ATTR httpdSentCb(void *arg) {
conn->priv->sendBuffLen=0;
if (conn->cgi==NULL) { //Marked for destruction?
os_printf("Conn %p is done. Closing.\n", conn->conn);
//os_printf("Conn %p is done. Closing.\n", conn->conn);
espconn_disconnect(conn->conn);
httpdRetireConn(conn);
return; //No need to call xmitSendBuff.
@ -301,7 +301,7 @@ static void ICACHE_FLASH_ATTR httpdProcessRequest(HttpdConnData *conn) {
if (builtInUrls[i].url[os_strlen(builtInUrls[i].url)-1]=='*' &&
os_strncmp(builtInUrls[i].url, conn->url, os_strlen(builtInUrls[i].url)-1)==0) match=1;
if (match) {
os_printf("Is url index %d\n", i);
//os_printf("Is url index %d\n", i);
conn->cgiData=NULL;
conn->cgi=builtInUrls[i].cgiCb;
conn->cgiArg=builtInUrls[i].cgiArg;
@ -365,7 +365,7 @@ static void ICACHE_FLASH_ATTR httpdParseHeader(char *h, HttpdConnData *conn) {
if (e==NULL) return; //wtf?
*e=0; //terminate url part
os_printf("URL = %s\n", conn->url);
os_printf("%s %s\n", HTTPD_METHOD_GET?"GET":"POST", conn->url);
//Parse out the URL part before the GET parameters.
conn->getArgs=(char*)os_strstr(conn->url, "?");
if (conn->getArgs!=0) {
@ -497,7 +497,7 @@ static void ICACHE_FLASH_ATTR httpdConnectCb(void *arg) {
int i;
//Find empty conndata in pool
for (i=0; i<MAX_CONN; i++) if (connData[i].conn==NULL) break;
os_printf("Con req, conn=%p, pool slot %d\n", conn, i);
//os_printf("Con req, conn=%p, pool slot %d\n", conn, i);
if (i==MAX_CONN) {
os_printf("Aiee, conn pool overflow!\n");
espconn_disconnect(conn);

2
serial/uart.h
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@ -13,6 +13,8 @@ void ICACHE_FLASH_ATTR uart_init(UartBautRate uart0_br, UartBautRate uart1_br);
// Transmit a buffer of characters on UART0
void ICACHE_FLASH_ATTR uart0_tx_buffer(char *buf, uint16 len);
void ICACHE_FLASH_ATTR uart0_write_char(char c);
// Add a receive callback function, this is called on the uart receive task each time a chunk
// of bytes are received. A small number of callbacks can be added and they are all called
// with all new characters.

4
user/cgiflash.c
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@ -125,8 +125,8 @@ int ICACHE_FLASH_ATTR cgiUploadFirmware(HttpdConnData *connData) {
}
// Write the data
os_printf("Writing %d bytes at 0x%05x (%d of %d)\n", connData->post->buffSize, address,
connData->post->received, connData->post->len);
//os_printf("Writing %d bytes at 0x%05x (%d of %d)\n", connData->post->buffSize, address,
// connData->post->received, connData->post->len);
spi_flash_write(address, (uint32 *)connData->post->buff, connData->post->buffLen);
if (connData->post->received == connData->post->len){

90
user/cgiwifi.c
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@ -48,8 +48,9 @@ static ETSTimer resetTimer;
void ICACHE_FLASH_ATTR wifiScanDoneCb(void *arg, STATUS status) {
int n;
struct bss_info *bss_link = (struct bss_info *)arg;
os_printf("wifiScanDoneCb %d\n", status);
if (status!=OK) {
os_printf("wifiScanDoneCb status=%d\n", status);
cgiWifiAps.scanInProgress=0;
return;
}
@ -158,16 +159,23 @@ static struct station_config stconf;
//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 m = wifi_get_opmode();
if (x==STATION_GOT_IP) {
//Go to STA mode. This needs a reset, so do that.
os_printf("Got IP. Going into STA mode..\n");
wifi_set_opmode(1);
system_restart();
connTryStatus=CONNTRY_SUCCESS;
if (m != 1) {
os_printf("Got IP. Going into STA mode..\n");
wifi_set_opmode(1);
}
} else {
connTryStatus=CONNTRY_FAIL;
os_printf("Connect fail. Not going into STA-only mode.\n");
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?
}
os_timer_arm(&resetTimer, 15000, 0);
}
@ -180,10 +188,10 @@ static void ICACHE_FLASH_ATTR reassTimerCb(void *arg) {
os_printf("Try to connect to AP....\n");
wifi_station_disconnect();
wifi_station_set_config(&stconf);
wifi_station_connect();
//wifi_station_connect();
x=wifi_get_opmode();
connTryStatus=CONNTRY_WORKING;
if (x!=1) {
if (x == 1) {
//Schedule disconnect/connect
os_timer_disarm(&resetTimer);
os_timer_setfn(&resetTimer, resetTimerCb, NULL);
@ -192,6 +200,20 @@ static void ICACHE_FLASH_ATTR reassTimerCb(void *arg) {
}
// 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) {
@ -218,7 +240,7 @@ int ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData) {
#ifdef DEMO_MODE
httpdRedirect(connData, "/wifi");
#else
os_timer_arm(&reassTimer, 500, 0);
os_timer_arm(&reassTimer, 1000, 0);
httpdRedirect(connData, "connecting.html");
#endif
return HTTPD_CGI_DONE;
@ -237,16 +259,25 @@ int ICACHE_FLASH_ATTR cgiWiFiSetMode(HttpdConnData *connData) {
len=httpdFindArg(connData->getArgs, "mode", buff, sizeof(buff));
if (len!=0) {
os_printf("cgiWifiSetMode: %s\n", buff);
int m = atoi(buff);
os_printf("Switching to wifi mode %d\n", m);
#ifndef DEMO_MODE
wifi_set_opmode(atoi(buff));
system_restart();
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);
}
#endif
}
httpdRedirect(connData, "/wifi");
return HTTPD_CGI_DONE;
}
char *connStatuses[] = { "idle", "connecting", "wrong password", "AP not found",
"failed", "success" };
int ICACHE_FLASH_ATTR cgiWiFiConnStatus(HttpdConnData *connData) {
char buff[1024];
int len;
@ -255,23 +286,26 @@ int ICACHE_FLASH_ATTR cgiWiFiConnStatus(HttpdConnData *connData) {
httpdStartResponse(connData, 200);
httpdHeader(connData, "Content-Type", "text/json");
httpdEndHeaders(connData);
if (connTryStatus==CONNTRY_IDLE) {
len=os_sprintf(buff, "{\n \"status\": \"idle\"\n }\n");
} else if (connTryStatus==CONNTRY_WORKING || connTryStatus==CONNTRY_SUCCESS) {
if (st==STATION_GOT_IP) {
wifi_get_ip_info(0, &info);
len=os_sprintf(buff, "{\n \"status\": \"success\",\n \"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);
len = os_sprintf(buff, "{\"status\": \"")-1;
if (st > 0 && st < sizeof(connStatuses)) {
len += os_sprintf(buff+len, "%s", connStatuses[st])-1;
} else {
len += os_sprintf(buff+len, "unknown")-1;
}
if (st == STATION_GOT_IP) {
wifi_get_ip_info(0, &info);
len+=os_sprintf(buff, "\", \"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) {
//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 \"status\": \"working\"\n }\n");
}
} else {
len=os_sprintf(buff, "{\n \"status\": \"fail\"\n }\n");
len+=os_sprintf(buff, "\" }\n");
}
httpdSend(connData, buff, len);
@ -298,10 +332,16 @@ int ICACHE_FLASH_ATTR tplWlan(HttpdConnData *connData, char *token, void **arg)
os_strcpy(buff, (char*)stconf.password);
} else if (os_strcmp(token, "WiFiapwarn")==0) {
x=wifi_get_opmode();
if (x==2) {
switch (x) {
case 1:
os_strcpy(buff, "Click <a href=\"setmode.cgi?mode=3\">here</a> to go to STA+AP mode.");
break;
case 2:
os_strcpy(buff, "<b>Can't scan in this mode.</b> Click <a href=\"setmode.cgi?mode=3\">here</a> to go to STA+AP mode.");
} else {
os_strcpy(buff, "Click <a href=\"setmode.cgi?mode=2\">here</a> to go to standalone AP mode.");
break;
case 3:
os_strcpy(buff, "Click <a href=\"setmode.cgi?mode=1\">here</a> to go to STA mode.");
break;
}
}
httpdSend(connData, buff, -1);

1
user/cgiwifi.h
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@ -9,5 +9,6 @@ int cgiWiFi(HttpdConnData *connData);
int cgiWiFiConnect(HttpdConnData *connData);
int cgiWiFiSetMode(HttpdConnData *connData);
int cgiWiFiConnStatus(HttpdConnData *connData);
void wifiInit(void);
#endif

2
user/console.c
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@ -1,4 +1,5 @@
#include <esp8266.h>
#include "uart.h"
#include "console.h"
// Web console for the esp8266 to replace outputting to uart1.
@ -30,6 +31,7 @@ console_read(void) {
static void ICACHE_FLASH_ATTR
console_write_char(char c) {
uart0_write_char(c);
if (c == '\n') console_write('\r');
console_write(c);
}

42
user/status.c
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@ -5,6 +5,7 @@
static ETSTimer ledTimer;
void ICACHE_FLASH_ATTR setLed(int on) {
if (on) {
gpio_output_set((1<<LEDGPIO), 0, (1<<LEDGPIO), 0);
} else {
@ -15,8 +16,43 @@ void ICACHE_FLASH_ATTR setLed(int on) {
static uint8_t ledState = 0;
static void ICACHE_FLASH_ATTR ledTimerCb(void *arg) {
//os_printf("Timer Hello\n");
setLed((ledState++)&1);
int m = wifi_get_opmode();
int c = m == 2 ? 0 : wifi_station_get_connect_status();
if (c != 5) os_printf("Status: mode=%d conn=%d\n", m, c);
int time = 1000;
if (c == STATION_GOT_IP) {
// connected, all is good, solid light
ledState = 1-ledState;
time = ledState ? 2900 : 100;
} else if (c == STATION_CONNECTING) {
// connecting, go on/off every second
ledState = 1 - ledState;
time = 1000;
} else if (c > STATION_CONNECTING) {
// some failure, rapid blinking
ledState = 1-ledState;
time = 100;
} else {
// idle
switch (m) {
case 1: // STA
ledState = 0;
break;
case 2: // AP
ledState = 1-ledState;
time = ledState ? 100 : 1900;
break;
case 3: // STA+AP
ledState = 1-ledState;
time = ledState ? 100 : 900;
break;
}
}
setLed(1-ledState); // low=on
os_timer_arm(&ledTimer, time, 0);
}
void statusInit() {
@ -24,7 +60,7 @@ void statusInit() {
gpio_output_set(0, 0, (1<<LEDGPIO), 0);
os_timer_disarm(&ledTimer);
os_timer_setfn(&ledTimer, ledTimerCb, NULL);
os_timer_arm(&ledTimer, 500, 1);
os_timer_arm(&ledTimer, 500, 0);
}

3
user/user_main.c
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@ -111,8 +111,9 @@ void user_init(void) {
os_printf("\n\nInitializing esp-link\n");
// Status LEDs
statusInit();
// Wifi
wifiInit();
// init the flash filesystem with the html stuff
os_delay_us(100000L);
EspFsInitResult res = espFsInit(&_binary_espfs_img_start);
os_printf("espFsInit(0x%08lx) returned %d\n", (uint32_t)&_binary_espfs_img_start, res);
// mount the http handlers

4
wiflash
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@ -100,7 +100,9 @@ while true; do
esac
done
res=`curl -s -XPOST --data-binary "@$fw" "http://$hostname/flash/upload"`
silent=-s
[[ -n "$verbose" ]] && silent=
res=`curl $silent -XPOST --data-binary "@$fw" "http://$hostname/flash/upload"`
if [[ $? != 0 ]]; then
echo "Error flashing $fw" >&2
exit 1

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