feature/wifi-provisioning: Changes to make wifi-provisioning compatible with ESP8266.

Changes:
Added Config to enable wifi-provisioning and protocomm & their pre-requisites.
Changed sdkconfig.defaults, apt headers, esp_log_internal.h for compilation.
Removed console, ble provisioning examples.
Modified esp_prov to enable only softap transport.

components/log/include/esp_log_internal.h

@@ -16,9 +16,13 @@
 #define __ESP_LOG_INTERNAL_H__
 
 //these functions do not check level versus ESP_LOCAL_LEVEL, this should be done in esp_log.h
-void esp_log_buffer_hex_internal(const char *tag, const void *buffer, uint16_t buff_len, esp_log_level_t level);
-void esp_log_buffer_char_internal(const char *tag, const void *buffer, uint16_t buff_len, esp_log_level_t level);
-void esp_log_buffer_hexdump_internal( const char *tag, const void *buffer, uint16_t buff_len, esp_log_level_t log_level);
+#define esp_log_buffer_hex_internal(...)
+#define esp_log_buffer_char_internal(...)
+#define esp_log_buffer_hexdump_internal(...)
+/* TODO: Add the implementation of the below API's */
+// void esp_log_buffer_hex_internal(const char *tag, const void *buffer, uint16_t buff_len, esp_log_level_t level);
+// void esp_log_buffer_char_internal(const char *tag, const void *buffer, uint16_t buff_len, esp_log_level_t level);
+// void esp_log_buffer_hexdump_internal( const char *tag, const void *buffer, uint16_t buff_len, esp_log_level_t log_level);
 
 #endif
 

components/protocomm/CMakeLists.txt

@@ -11,6 +11,6 @@ set(COMPONENT_SRCS  "src/common/protocomm.c"
                     "proto-c/session.pb-c.c"
                     "src/transports/protocomm_httpd.c")
 
-set(COMPONENT_PRIV_REQUIRES protobuf-c mbedtls)
+set(COMPONENT_PRIV_REQUIRES protobuf-c mbedtls wifi_provisioning)
 
 register_component()

components/protocomm/component.mk

@@ -1,10 +1,8 @@
 COMPONENT_ADD_INCLUDEDIRS :=
 COMPONENT_SRCDIRS :=
 
-ifdef CONFIG_SSL_USING_MBEDTLS
-ifdef CONFIG_MBEDTLS_CIPHER_MODE_CTR
+ifdef CONFIG_ENABLE_UNIFIED_PROVISIONING
 COMPONENT_ADD_INCLUDEDIRS := include/common include/security include/transports
 COMPONENT_PRIV_INCLUDEDIRS := proto-c src/common
 COMPONENT_SRCDIRS := src/common src/security proto-c src/transports
 endif
-endif

components/wifi_provisioning/Kconfig

@@ -0,0 +1,11 @@
+menu "Unified Provisioning"
+
+config ENABLE_UNIFIED_PROVISIONING
+    bool "Enable Unified Provisioning"
+    default n
+    select SSL_USING_MBEDTLS
+    select MBEDTLS_CIPHER_MODE_CTR
+    select MBEDTLS_ECP_C
+    help
+        This enables Unified Provisioning feature along with required components like Wifi-Provisioning, Protocomm and their mbedtls dependencies.
+endmenu

components/wifi_provisioning/component.mk

@@ -1,3 +1,8 @@
+COMPONENT_SRCDIRS :=
+COMPONENT_ADD_INCLUDEDIRS :=
+
+ifdef CONFIG_ENABLE_UNIFIED_PROVISIONING
 COMPONENT_SRCDIRS := src proto-c
 COMPONENT_ADD_INCLUDEDIRS := include
 COMPONENT_PRIV_INCLUDEDIRS := proto-c ../protocomm/proto-c/
+endif

components/wifi_provisioning/include/wifi_provisioning/wifi_config.h

@@ -16,7 +16,7 @@
 #define _WIFI_PROV_CONFIG_H_
 
 #include <lwip/inet.h>
-
+#include <stdlib.h>
 #ifdef __cplusplus
 extern "C" {
 #endif