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esp-link
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..;.and now with the changed files too.

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v0.9.0
Jeroen Domburg 10 years ago
parent febf58df6e
commit f977678e7f
11 changed files with 241 additions and 36 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. 1
      driver/uart.c
  2. BIN
      html/cat.jpeg
  3. 2
      include/driver/uart.h
  4. 205
      user/cgi.c
  5. 5
      user/cgi.h
  6. 13
      user/espfs.c
  7. 1
      user/heatshrink_decoder.c
  8. 22
      user/httpd.c
  9. 8
      user/httpdespfs.c
  10. 4
      user/io.c
  11. 12
      user/user_main.c

1
driver/uart.c
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@ -9,6 +9,7 @@
* Modification history:
* 2014/3/12, v1.0 create this file.
*******************************************************************************/
#include "espmissingincludes.h"
#include "ets_sys.h"
#include "osapi.h"
#include "driver/uart.h"

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html/cat.jpeg
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2
include/driver/uart.h
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@ -97,5 +97,7 @@ typedef struct {
void uart_init(UartBautRate uart0_br, UartBautRate uart1_br);
void uart0_sendStr(const char *str);
#endif

205
user/cgi.c
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@ -4,9 +4,12 @@ Some random cgi routines.
#include <string.h>
#include <osapi.h>
#include "user_interface.h"
#include "mem.h"
#include "httpd.h"
#include "cgi.h"
#include "io.h"
#include "espmissingincludes.h"
int ICACHE_FLASH_ATTR cgiLed(HttpdConnData *connData) {
int len;
@ -18,33 +21,215 @@ int ICACHE_FLASH_ATTR cgiLed(HttpdConnData *connData) {
}
len=httpdFindArg(connData->postBuff, "led", buff, sizeof(buff));
ioLed(atoi(buff));
if (len!=0) ioLed(atoi(buff));
httpdRedirect(connData, "led.html");
return HTTPD_CGI_DONE;
}
int ICACHE_FLASH_ATTR cgiTest(HttpdConnData *connData) {
//WiFi access point data
typedef struct {
char ssid[32];
char rssi;
char enc;
} ApData;
//Scan resolt
typedef struct {
char scanInProgress;
ApData **apData;
int noAps;
} ScanResultData;
//Static scan status storage.
ScanResultData cgiWifiAps;
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) {
cgiWifiAps.scanInProgress=0;
wifi_station_disconnect(); //test HACK
return;
}
//Clear prev ap data if needed.
if (cgiWifiAps.apData!=NULL) {
for (n=0; n<cgiWifiAps.noAps; n++) os_free(cgiWifiAps.apData[n]);
os_free(cgiWifiAps.apData);
}
//Count amount of access points found.
n=0;
while (bss_link != NULL) {
bss_link = bss_link->next.stqe_next;
n++;
}
//Allocate memory for access point data
cgiWifiAps.apData=(ApData **)os_malloc(sizeof(ApData *)*n);
cgiWifiAps.noAps=n;
//Copy access point data to the static struct
n=0;
bss_link = (struct bss_info *)arg;
while (bss_link != NULL) {
cgiWifiAps.apData[n]=(ApData *)os_malloc(sizeof(ApData));
cgiWifiAps.apData[n]->rssi=bss_link->rssi;
cgiWifiAps.apData[n]->enc=bss_link->authmode;
strncpy(cgiWifiAps.apData[n]->ssid, (char*)bss_link->ssid, 32);
bss_link = bss_link->next.stqe_next;
n++;
}
os_printf("Scan done: found %d APs\n", n);
//We're done.
cgiWifiAps.scanInProgress=0;
}
static void ICACHE_FLASH_ATTR wifiStartScan() {
int x;
cgiWifiAps.scanInProgress=1;
x=wifi_station_get_connect_status();
if (x!=STATION_GOT_IP) {
//Unit probably is trying to connect to a bogus AP. This messes up scanning. Stop that.
os_printf("STA status = %d. Disconnecting STA...\n", x);
wifi_station_disconnect();
}
wifi_station_scan(NULL, wifiScanDoneCb);
}
int ICACHE_FLASH_ATTR cgiWiFiScan(HttpdConnData *connData) {
int len;
char val1[128];
char val2[128];
int i;
char buff[1024];
httpdStartResponse(connData, 200);
httpdHeader(connData, "Content-Type", "text/json");
httpdEndHeaders(connData);
if (cgiWifiAps.scanInProgress==1) {
len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"1\"\n }\n}\n");
espconn_sent(connData->conn, (uint8 *)buff, len);
} else {
len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"0\", \n\"APs\": [\n");
espconn_sent(connData->conn, (uint8 *)buff, len);
if (cgiWifiAps.apData==NULL) cgiWifiAps.noAps=0;
for (i=0; i<cgiWifiAps.noAps; i++) {
len=os_sprintf(buff, "{\"essid\": \"%s\", \"rssi\": \"%d\", \"enc\": \"%d\"}%s\n",
cgiWifiAps.apData[i]->ssid, cgiWifiAps.apData[i]->rssi,
cgiWifiAps.apData[i]->enc, (i==cgiWifiAps.noAps-1)?"":",");
espconn_sent(connData->conn, (uint8 *)buff, len);
}
len=os_sprintf(buff, "]\n}\n}\n");
espconn_sent(connData->conn, (uint8 *)buff, len);
wifiStartScan();
}
return HTTPD_CGI_DONE;
}
static struct station_config stconf;
static void ICACHE_FLASH_ATTR resetTimerCb(void *arg) {
int x=wifi_station_get_connect_status();
if (x==STATION_GOT_IP) {
//Go to STA mode. This needs a reset, so do that.
wifi_set_opmode(1);
system_restart();
} else {
os_printf("Connect fail. Not going into STA-only mode.\n");
}
}
static void ICACHE_FLASH_ATTR reassTimerCb(void *arg) {
int x;
static ETSTimer resetTimer;
wifi_station_disconnect();
wifi_station_set_config(&stconf);
wifi_station_connect();
x=wifi_get_opmode();
if (x!=1) {
//Schedule disconnect/connect
os_timer_disarm(&resetTimer);
os_timer_setfn(&resetTimer, resetTimerCb, NULL);
os_timer_arm(&resetTimer, 4000, 0);
}
}
int ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData) {
char essid[128];
char passwd[128];
static ETSTimer reassTimer;
if (connData->conn==NULL) {
//Connection aborted. Clean up.
return HTTPD_CGI_DONE;
}
httpdFindArg(connData->postBuff, "essid", essid, sizeof(essid));
httpdFindArg(connData->postBuff, "passwd", passwd, sizeof(passwd));
os_strncpy((char*)stconf.ssid, essid, 32);
os_strncpy((char*)stconf.password, passwd, 64);
//Schedule disconnect/connect
os_timer_disarm(&reassTimer);
os_timer_setfn(&reassTimer, reassTimerCb, NULL);
os_timer_arm(&reassTimer, 1000, 0);
httpdRedirect(connData, "connecting.html");
return HTTPD_CGI_DONE;
}
//Cgi that reads the SPI flash. Assumes 512KByte flash.
int ICACHE_FLASH_ATTR cgiReadFlash(HttpdConnData *connData) {
int *pos=(int *)&connData->cgiData;
if (connData->conn==NULL) {
//Connection aborted. Clean up.
return HTTPD_CGI_DONE;
}
if (*pos==0) {
os_printf("Start flash download.\n");
httpdStartResponse(connData, 200);
httpdHeader(connData, "Content-Type", "text/plain");
httpdHeader(connData, "Content-Type", "application/bin");
httpdEndHeaders(connData);
*pos=0x40200000;
return HTTPD_CGI_MORE;
}
espconn_sent(connData->conn, (uint8 *)(*pos), 1024);
*pos+=1024;
if (*pos>=0x40200000+(512*1024)) return HTTPD_CGI_DONE; else return HTTPD_CGI_MORE;
}
int ICACHE_FLASH_ATTR cgiTest(HttpdConnData *connData) {
return HTTPD_CGI_DONE;
}
httpdFindArg(connData->postBuff, "Test1", val1, sizeof(val1));
httpdFindArg(connData->postBuff, "Test2", val2, sizeof(val2));
len=os_sprintf(buff, "Field 1: %s\nField 2: %s\n", val1, val2);
espconn_sent(connData->conn, (uint8 *)buff, len);
return HTTPD_CGI_DONE;
void ICACHE_FLASH_ATTR tplWlan(HttpdConnData *connData, char *token, void **arg) {
char buff[1024];
int x;
static struct station_config stconf;
if (token==NULL) return;
wifi_station_get_config(&stconf);
os_strcpy(buff, "Unknown");
if (os_strcmp(token, "WiFiMode")==0) {
x=wifi_get_opmode();
if (x==1) os_strcpy(buff, "Client");
if (x==2) os_strcpy(buff, "SoftAP");
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, "WiFiPasswd")==0) {
os_strcpy(buff, (char*)stconf.password);
}
espconn_sent(connData->conn, (uint8 *)buff, os_strlen(buff));
}

5
user/cgi.h
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@ -4,6 +4,11 @@
#include "httpd.h"
int cgiLed(HttpdConnData *connData);
int cgiReadFlash(HttpdConnData *connData);
int cgiTest(HttpdConnData *connData);
int cgiWiFiScan(HttpdConnData *connData);
void ICACHE_FLASH_ATTR tplWlan(HttpdConnData *connData, char *token, void **arg);
int ICACHE_FLASH_ATTR cgiWiFi(HttpdConnData *connData);
int ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData);
#endif

13
user/espfs.c
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@ -12,6 +12,7 @@ It's written for use with httpd, but doesn't need to be used as such.
#include "espconn.h"
#include "mem.h"
#include "osapi.h"
#include "espmissingincludes.h"
#else
//Test build
#include <stdio.h>
@ -109,7 +110,8 @@ EspFsFile ICACHE_FLASH_ATTR *espFsOpen(char *fileName) {
}
p+=sizeof(EspFsHeader);
os_memcpy(namebuf, p, sizeof(namebuf));
os_printf("Found file '%s'. Namelen=%x fileLenComp=%x, compr=%d flags=%d\n", namebuf, h.nameLen,h.fileLenComp,h.compression,h.flags);
os_printf("Found file '%s'. Namelen=%x fileLenComp=%x, compr=%d flags=%d\n",
namebuf, (unsigned int)h.nameLen, (unsigned int)h.fileLenComp, h.compression, h.flags);
if (os_strcmp(namebuf, fileName)==0) {
p+=h.nameLen;
r=(EspFsFile *)os_malloc(sizeof(EspFsFile));
@ -155,7 +157,7 @@ int ICACHE_FLASH_ATTR espFsRead(EspFsFile *fh, char *buff, int len) {
int toRead;
toRead=flen-(fh->posComp-fh->posStart);
if (len>toRead) len=toRead;
os_printf("Reading %d bytes from %x\n", len, fh->posComp);
os_printf("Reading %d bytes from %x\n", len, (unsigned int)fh->posComp);
memcpyAligned(buff, fh->posComp, len);
fh->posDecomp+=len;
fh->posComp+=len;
@ -164,23 +166,24 @@ int ICACHE_FLASH_ATTR espFsRead(EspFsFile *fh, char *buff, int len) {
#ifdef EFS_HEATSHRINK
} else if (fh->decompressor==COMPRESS_HEATSHRINK) {
int decoded=0;
int elen, rlen, r;
unsigned int elen, rlen;
char ebuff[16];
heatshrink_decoder *dec=(heatshrink_decoder *)fh->decompData;
while(decoded<len) {
//Feed data into the decompressor
//ToDo: Check ret val of heatshrink fns for errors
elen=flen-(fh->posComp - fh->posStart);
if (elen==0) return decoded; //file is read
if (elen>0) {
memcpyAligned(ebuff, fh->posComp, 16);
r=heatshrink_decoder_sink(dec, ebuff, (elen>16)?16:elen, &rlen);
heatshrink_decoder_sink(dec, (uint8_t *)ebuff, (elen>16)?16:elen, &rlen);
fh->posComp+=rlen;
if (rlen==elen) {
heatshrink_decoder_finish(dec);
}
}
//Grab decompressed data and put into buff
r=heatshrink_decoder_poll(dec, buff, len-decoded, &rlen);
heatshrink_decoder_poll(dec, (uint8_t *)buff, len-decoded, &rlen);
fh->posDecomp+=rlen;
buff+=rlen;
decoded+=rlen;

1
user/heatshrink_decoder.c
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@ -8,6 +8,7 @@
#define _STDDEF_H
#define _STDINT_H
#include "espmissingincludes.h"
#include "c_types.h"
#include "mem.h"
#include "osapi.h"

22
user/httpd.c
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@ -1,3 +1,4 @@
#include "espmissingincludes.h"
#include "driver/uart.h"
#include "c_types.h"
#include "user_interface.h"
@ -43,6 +44,7 @@ typedef struct {
static const MimeMap mimeTypes[]={
{"htm", "text/htm"},
{"html", "text/html"},
{"js", "text/javascript"},
{"txt", "text/plain"},
{"jpg", "image/jpeg"},
{"jpeg", "image/jpeg"},
@ -83,6 +85,7 @@ static int httpdHexVal(char c) {
if (c>='0' && c<='9') return c-'0';
if (c>='A' && c<='F') return c-'A'+10;
if (c>='a' && c<='f') return c-'a'+10;
return 0;
}
//Decode a percent-encoded value
@ -107,13 +110,13 @@ int httpdUrlDecode(char *val, int valLen, char *ret, int retLen) {
s++;
}
if (d<retLen) ret[d]=0;
return d;
}
//Find a specific arg in a string of get- or post-data.
//Returns len of arg or -1 if not found.
int ICACHE_FLASH_ATTR httpdFindArg(char *line, char *arg, char *buff, int buffLen) {
char *p, *e;
int len;
if (line==NULL) return 0;
p=line;
while(p!=NULL && *p!='\n' && *p!='\r' && *p!=0) {
@ -138,7 +141,7 @@ void ICACHE_FLASH_ATTR httpdStartResponse(HttpdConnData *conn, int code) {
char buff[128];
int l;
l=os_sprintf(buff, "HTTP/1.0 %d OK\r\nServer: esp8266-httpd/0.1\r\n", code);
espconn_sent(conn->conn, buff, l);
espconn_sent(conn->conn, (uint8 *)buff, l);
}
@ -146,11 +149,11 @@ void ICACHE_FLASH_ATTR httpdHeader(HttpdConnData *conn, const char *field, const
char buff[256];
int l;
l=os_sprintf(buff, "%s: %s\r\n", field, val);
espconn_sent(conn->conn, buff, l);
espconn_sent(conn->conn, (uint8 *)buff, l);
}
void ICACHE_FLASH_ATTR httpdEndHeaders(HttpdConnData *conn) {
espconn_sent(conn->conn, "\r\n", 2);
espconn_sent(conn->conn, (uint8 *)"\r\n", 2);
}
//ToDo: sprintf->snprintf everywhere
@ -158,13 +161,10 @@ void ICACHE_FLASH_ATTR httpdRedirect(HttpdConnData *conn, char *newUrl) {
char buff[1024];
int l;
l=os_sprintf(buff, "HTTP/1.1 302 Found\r\nLocation: %s\r\n\r\nMoved to %s\r\n", newUrl, newUrl);
espconn_sent(conn->conn, buff, l);
espconn_sent(conn->conn, (uint8 *)buff, l);
}
int ICACHE_FLASH_ATTR cgiRedirect(HttpdConnData *connData) {
int len;
char buff[1024];
if (connData->conn==NULL) {
//Connection aborted. Clean up.
return HTTPD_CGI_DONE;
@ -198,7 +198,7 @@ static void ICACHE_FLASH_ATTR httpdSendResp(HttpdConnData *conn) {
int r;
//See if the url is somewhere in our internal url table.
while (builtInUrls[i].url!=NULL && conn->url!=NULL) {
os_printf("%s == %s?\n", builtInUrls[i].url, conn->url);
// os_printf("%s == %s?\n", builtInUrls[i].url, conn->url);
if (os_strcmp(builtInUrls[i].url, conn->url)==0 || builtInUrls[i].url[0]=='*') {
os_printf("Is url index %d\n", i);
conn->cgiData=NULL;
@ -237,7 +237,6 @@ static void ICACHE_FLASH_ATTR httpdParseHeader(char *h, HttpdConnData *conn) {
os_printf("URL = %s\n", conn->url);
conn->getArgs=(char*)os_strstr(conn->url, "?");
if (conn->getArgs!=0) {
int x,l;
*conn->getArgs=0;
conn->getArgs++;
os_printf("GET args = %s\n", conn->getArgs);
@ -256,7 +255,7 @@ static void ICACHE_FLASH_ATTR httpdParseHeader(char *h, HttpdConnData *conn) {
}
static void ICACHE_FLASH_ATTR httpdRecvCb(void *arg, char *data, unsigned short len) {
int x, l;
int x;
char *p, *e;
HttpdConnData *conn=httpdFindConnData(arg);
if (conn==NULL) return;
@ -336,7 +335,6 @@ static void ICACHE_FLASH_ATTR httpdDisconCb(void *arg) {
static void ICACHE_FLASH_ATTR httpdConnectCb(void *arg) {
struct espconn *conn=arg;
HttpdConnData *conndata;
int i;
//Find empty conndata in pool
for (i=0; i<MAX_CONN; i++) if (connData[i].conn==NULL) break;

8
user/httpdespfs.c
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@ -2,6 +2,7 @@
Connector to let httpd use the espfs filesystem to serve the files in that.
*/
#include "espmissingincludes.h"
#include <string.h>
#include <osapi.h>
#include "c_types.h"
@ -58,14 +59,13 @@ typedef struct {
int tokenPos;
} TplData;
typedef int (* TplCallback)(HttpdConnData *connData, char *token, void **arg);
typedef void (* TplCallback)(HttpdConnData *connData, char *token, void **arg);
int ICACHE_FLASH_ATTR cgiEspFsTemplate(HttpdConnData *connData) {
TplData *tpd=connData->cgiData;
int len;
int x, sp;
char *p, *e;
int sentTo;
int x, sp=0;
char *e=NULL;
char buff[1025];
if (connData->conn==NULL) {

4
user/io.c
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@ -1,3 +1,4 @@
#include "espmissingincludes.h"
#include "c_types.h"
#include "user_interface.h"
#include "espconn.h"
@ -20,12 +21,13 @@ void ICACHE_FLASH_ATTR ioLed(int ena) {
}
}
static void ICACHE_FLASH_ATTR resetBtnTimerCb(void) {
static void ICACHE_FLASH_ATTR resetBtnTimerCb(void *arg) {
static int resetCnt=0;
if (!GPIO_INPUT_GET(BTNGPIO)) {
resetCnt++;
} else {
if (resetCnt>=6) { //3 sec pressed
wifi_station_disconnect();
wifi_set_opmode(0x3); //reset to AP+STA mode
os_printf("Reset to AP mode. Restarting system...\n");
system_restart();

12
user/user_main.c
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@ -1,3 +1,4 @@
#include "espmissingincludes.h"
#include "ets_sys.h"
#include "driver/uart.h"
#include "osapi.h"
@ -7,9 +8,16 @@
#include "cgi.h"
HttpdBuiltInUrl builtInUrls[]={
// {"/", cgiLiteral, "Lalala etc"},
{"/", cgiRedirect, "/test2.html"},
{"/flash.bin", cgiReadFlash, NULL},
{"/led.cgi", cgiLed, NULL},
{"/test.cgi", cgiTest, NULL},
{"/wifi", cgiRedirect, "/wifi/wifi.tpl"},
{"/wifi/", cgiRedirect, "/wifi/wifi.tpl"},
{"/wifi/wifiscan.cgi", cgiWiFiScan, NULL},
{"/wifi/wifi.tpl", cgiEspFsTemplate, tplWlan},
{"/wifi/connect.cgi", cgiWiFiConnect},
{"*", cgiEspFsHook, NULL},
{NULL, NULL, NULL}
};

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