modified picow access point example to use lwip http server

Louis31423142 · Louis31423142 · commit 489fce1c255f · 2025-08-22T13:48:38.000+01:00
diff --git a/pico_w/wifi/access_point/CMakeLists.txt b/pico_w/wifi/access_point/CMakeLists.txt
@@ -9,11 +9,15 @@ target_include_directories(picow_access_point_background PRIVATE
         ${CMAKE_CURRENT_LIST_DIR}/.. # for our common lwipopts
         ${CMAKE_CURRENT_LIST_DIR}/dhcpserver
         ${CMAKE_CURRENT_LIST_DIR}/dnsserver
+        ${PICO_LWIP_CONTRIB_PATH}/apps/httpd
         )
 
 target_link_libraries(picow_access_point_background
         pico_cyw43_arch_lwip_threadsafe_background
         pico_stdlib
+        pico_lwip_http 
+        ap_content
+        pico_status_led
         )
 # You can change the address below to change the address of the access point
 pico_configure_ip4_address(picow_access_point_background PRIVATE
@@ -31,13 +35,22 @@ target_include_directories(picow_access_point_poll PRIVATE
         ${CMAKE_CURRENT_LIST_DIR}/.. # for our common lwipopts
         ${CMAKE_CURRENT_LIST_DIR}/dhcpserver
         ${CMAKE_CURRENT_LIST_DIR}/dnsserver
+        ${PICO_LWIP_CONTRIB_PATH}/apps/httpd
         )
 target_link_libraries(picow_access_point_poll
         pico_cyw43_arch_lwip_poll
         pico_stdlib
+        pico_lwip_http 
+        ap_content
+        pico_status_led
         )
 # You can change the address below to change the address of the access point
 pico_configure_ip4_address(picow_access_point_poll PRIVATE
         CYW43_DEFAULT_IP_AP_ADDRESS 192.168.4.1
         )
 pico_add_extra_outputs(picow_access_point_poll)
+
+pico_add_library(ap_content NOFLAG)
+pico_set_lwip_httpd_content(ap_content INTERFACE
+        ${CMAKE_CURRENT_LIST_DIR}/content/index.shtml
+        )
diff --git a/pico_w/wifi/access_point/content/index.shtml b/pico_w/wifi/access_point/content/index.shtml
@@ -0,0 +1,13 @@
+<html>
+    <head>
+        <title>Pico Access Point</title>
+    </head>
+    <body>
+        <h1>Hello from Pico.</h1>
+        <p>Led is <!--#led--></p>
+        <p></p>
+        <form action="/switch.cgi" method="get">
+            <button name="switch" value="switch">Turn led <!--#not_led--></button>
+        </form>
+    </body>
+</html>
diff --git a/pico_w/wifi/access_point/lwipopts.h b/pico_w/wifi/access_point/lwipopts.h
@@ -7,4 +7,14 @@
 // This example uses a common include to avoid repetition
 #include "lwipopts_examples_common.h"
 
+// Enable some httpd features
+#define LWIP_HTTPD_CGI 1
+#define LWIP_HTTPD_SSI 1
+#define LWIP_HTTPD_SSI_MULTIPART 1
+#define LWIP_HTTPD_SUPPORT_POST 0
+#define LWIP_HTTPD_SSI_INCLUDE_TAG 0
+
+// Generated file containing html data
+#define HTTPD_FSDATA_FILE "pico_fsdata.inc"
+
 #endif
diff --git a/pico_w/wifi/access_point/picow_access_point.c b/pico_w/wifi/access_point/picow_access_point.c
