diff --git a/Makefile b/Makefile index aac0105..3ead9ac 100644 --- a/Makefile +++ b/Makefile @@ -1,4 +1,8 @@ - +#Position and maximum length of espfs in flash memory. This can be undefined. In this case +#the webpages will be linked in into the executable file. If this is defined, please do a +#'make htmlflash' to flash the espfs into the ESPs memory. +ESPFS_POS = 0x12000 +ESPFS_SIZE = 0x2E000 # Output directors to store intermediate compiled files # relative to the project directory @@ -19,19 +23,11 @@ ESPPORT ?= /dev/ttyUSB0 ESPDELAY ?= 3 ESPBAUD ?= 460800 -#Position and maximum length of espfs in flash memory -#This can be undefined. In this case the webpages will be linked in into the -#file. -#ESPFS_POS = 0x12000 -#ESPFS_SIZE = 0x2E000 - # name for the target project TARGET = httpd - # which modules (subdirectories) of the project to include in compiling -#MODULES = driver user lwip/api lwip/app lwip/core lwip/core/ipv4 lwip/netif MODULES = user EXTRA_INCDIR = include libesphttpd/include @@ -104,7 +100,7 @@ ifeq ("$(ESPFS_POS)","") #No hardcoded espfs position: link it in with the binaries. LIBS += -lwebpages-espfs else -#Pass espfs position to rest of code +#Hardcoded espfs location: Pass espfs position to rest of code CFLAGS += -DESPFS_POS=$(ESPFS_POS) -DESPFS_SIZE=$(ESPFS_SIZE) endif diff --git a/libesphttpd/Makefile b/libesphttpd/Makefile index b0a2e65..a51a7ca 100644 --- a/libesphttpd/Makefile +++ b/libesphttpd/Makefile @@ -2,7 +2,7 @@ # Directory the Makefile is in. Please don't include other Makefiles before this. THISDIR:=$(dir $(abspath $(lastword $(MAKEFILE_LIST)))) -#Include httpd config from lower level +#Include httpd config from lower level, if it exists -include ../esphttpdconfig.mk @@ -29,11 +29,10 @@ SDK_BASE ?= /opt/Espressif/ESP8266_SDK LIB = libesphttpd.a # which modules (subdirectories) of the project to include in compiling -#MODULES = driver user lwip/api lwip/app lwip/core lwip/core/ipv4 lwip/netif MODULES = espfs core util EXTRA_INCDIR = ./include \ - . \ - lib/heatshrink/ + . \ + lib/heatshrink/ # compiler flags using during compilation of source files @@ -44,15 +43,13 @@ CFLAGS = -Os -ggdb -std=c99 -Werror -Wpointer-arith -Wundef -Wall -Wl,-EL -fno- # various paths from the SDK used in this project SDK_LIBDIR = lib SDK_LDDIR = ld -SDK_INCDIR = include include/json +SDK_INCDIR = include # select which tools to use as compiler, librarian and linker CC := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-gcc AR := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-ar LD := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-gcc -OBJCOPY := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-objcopy - - +OBJCOPY := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-objcopy #### #### no user configurable options below here @@ -117,7 +114,6 @@ ifeq ("$(COMPRESS_W_YUI)","yes") $(Q) for file in `find html_compressed -type f -name "*.js"`; do $(YUI-COMPRESSOR) --type js $$file -o $$file; done $(Q) for file in `find html_compressed -type f -name "*.css"`; do $(YUI-COMPRESSOR) --type css $$file -o $$file; done $(Q) awk "BEGIN {printf \"YUI compression ratio was: %.2f%%\\n\", (`du -b -s html_compressed/ | sed 's/\([0-9]*\).*/\1/'`/`du -b -s ../html/ | sed 's/\([0-9]*\).*/\1/'`)*100}" - # mkespfsimage will compress html, css and js files with gzip by default if enabled # override with -g cmdline parameter $(Q) cd html_compressed; find | $(THISDIR)/espfs/mkespfsimage/mkespfsimage > $(THISDIR)/webpages.espfs; cd ..; @@ -135,7 +131,6 @@ libwebpages-espfs.a: webpages.espfs espfs/mkespfsimage/mkespfsimage: espfs/mkespfsimage/ $(Q) $(MAKE) -C espfs/mkespfsimage USE_HEATSHRINK="$(USE_HEATSHRINK)" GZIP_COMPRESSION="$(GZIP_COMPRESSION)" - $(Q) $(AR) cru $@ $^ clean: $(Q) rm -f $(LIB) diff --git a/libesphttpd/include/cgiflash.h b/libesphttpd/include/cgiflash.h index 268a62f..5fe68a3 100644 --- a/libesphttpd/include/cgiflash.h +++ b/libesphttpd/include/cgiflash.h @@ -3,6 +3,12 @@ #include "httpd.h" +typedef struct { + int espFsPos; + int espFsSize; +} CgiUploadEspfsParams; + + int cgiReadFlash(HttpdConnData *connData); int cgiUploadEspfs(HttpdConnData *connData); diff --git a/libesphttpd/util/captdns.c b/libesphttpd/util/captdns.c index ad14c2b..f88e968 100644 --- a/libesphttpd/util/captdns.c +++ b/libesphttpd/util/captdns.c @@ -11,9 +11,10 @@ /* -This is a 'captive portal' DNS server: it basically replies with a fixed IP for any and all DNS -queries. This can be used to send mobile phones, tablets etc which connect to the ESP in -AP mode directly to the internal webserver. +This is a 'captive portal' DNS server: it basically replies with a fixed IP (in this case: +the one of the SoftAP interface of this ESP module) for any and all DNS queries. This can +be used to send mobile phones, tablets etc which connect to the ESP in AP mode directly to +the internal webserver. */ diff --git a/libesphttpd/util/cgiflash.c b/libesphttpd/util/cgiflash.c index a502c83..b53200a 100644 --- a/libesphttpd/util/cgiflash.c +++ b/libesphttpd/util/cgiflash.c @@ -42,15 +42,14 @@ int ICACHE_FLASH_ATTR cgiReadFlash(HttpdConnData *connData) { //Cgi that allows the ESPFS image to be replaced via http POST int ICACHE_FLASH_ATTR cgiUploadEspfs(HttpdConnData *connData) { -//Now esphttpd is a lib and doesn't know ESPFS_POS/ESPFS_SIZE, this does not work anymore. ToDo: Find some way -//to reinstate it? -#if 0 + const CgiUploadEspfsParams *up=(CgiUploadEspfsParams*)connData->cgiArg; + if (connData->conn==NULL) { //Connection aborted. Clean up. return HTTPD_CGI_DONE; } - if(connData->post->len > ESPFS_SIZE){ + if(connData->post->len > up->espFsSize){ // The uploaded file is too large os_printf("ESPFS file too large\n"); httpdSend(connData, "HTTP/1.0 500 Internal Server Error\r\nServer: esp8266-httpd/0.3\r\nConnection: close\r\nContent-Type: text/plain\r\nContent-Length: 24\r\n\r\nESPFS image loo large.\r\n", -1); @@ -58,7 +57,7 @@ int ICACHE_FLASH_ATTR cgiUploadEspfs(HttpdConnData *connData) { } // The source should be 4byte aligned, so go ahead and flash whatever we have - int address = ESPFS_POS + connData->post->received - connData->post->buffLen; + int address = up->espFsPos + connData->post->received - connData->post->buffLen; if(address % SPI_FLASH_SEC_SIZE == 0){ // We need to erase this block os_printf("Erasing flash at %d\n", address/SPI_FLASH_SEC_SIZE); @@ -68,7 +67,6 @@ int ICACHE_FLASH_ATTR cgiUploadEspfs(HttpdConnData *connData) { os_printf("Writing at: 0x%x\n", address); spi_flash_write(address, (uint32 *)connData->post->buff, connData->post->buffLen); os_printf("Wrote %d bytes (%dB of %d)\n", connData->post->buffSize, connData->post->received, connData->post->len);//&connData->postBuff)); -#endif if (connData->post->received == connData->post->len){ httpdSend(connData, "Finished uploading", -1); diff --git a/user/user_main.c b/user/user_main.c index 3720a4e..9c30bc9 100644 --- a/user/user_main.c +++ b/user/user_main.c @@ -1,5 +1,3 @@ - - /* * ---------------------------------------------------------------------------- * "THE BEER-WARE LICENSE" (Revision 42): @@ -9,6 +7,11 @@ * ---------------------------------------------------------------------------- */ +/* +This is example code for the esphttpd library. It's a small-ish demo showing off +the server, including WiFi connection management capabilities, some IO and +some pictures of cats. +*/ #include #include "httpd.h" @@ -27,7 +30,7 @@ //#define SHOW_HEAP_USE //The example can act as a captive portal, that is, if someone connects their phone to the access -//point, it will automatically +//point, it will automatically load up the main page on most phones/tablets. #define CAPTIVE_PORTAL //Function that tells the authentication system what users/passwords live on the system. @@ -47,6 +50,12 @@ int myPassFn(HttpdConnData *connData, int no, char *user, int userLen, char *pas return 0; } +#ifdef ESPFS_POS +CgiUploadEspfsParams espfsParams={ + .espFsPos=ESPFS_POS, + .espFsSize=ESPFS_SIZE +}; +#endif /* This is the main url->function dispatching data struct. @@ -67,8 +76,9 @@ HttpdBuiltInUrl builtInUrls[]={ {"/led.tpl", cgiEspFsTemplate, tplLed}, {"/index.tpl", cgiEspFsTemplate, tplCounter}, {"/led.cgi", cgiLed, NULL}, - {"/updateweb.cgi", cgiUploadEspfs, NULL}, - +#ifdef ESPFS_POS + {"/updateweb.cgi", cgiUploadEspfs, &espfsParams}, +#endif //Routines to make the /wifi URL and everything beneath it work. //Enable the line below to protect the WiFi configuration with an username/password combo. @@ -99,11 +109,9 @@ static void ICACHE_FLASH_ATTR prHeapTimerCb(void *arg) { void user_init(void) { stdoutInit(); ioInit(); - #ifdef CAPTIVE_PORTAL captdnsInit(); #endif - // 0x40200000 is the base address for spi flash memory mapping, ESPFS_POS is the position // where image is written in flash that is defined in Makefile. #ifdef ESPFS_POS