wifi control & reporting sbmp backend; added small libs to fit in the flash size

Former-commit-id: ae5cdcd16db7d06f1afde24b4c1da78904053781

Makefile

@@ -59,7 +59,12 @@ MODULES		= user sbmp/library esphttpclient
 EXTRA_INCDIR	= include libesphttpd/include sbmp/library user esphttpclient
 
 # libraries used in this project, mainly provided by the SDK
-LIBS		= c gcc hal phy pp net80211 wpa main lwip crypto
+LIBS		= c mgcc mphy pp net80211 wpa main lwip wps
+
+# mwpa causes compile errors with wps
+# mmain causes undefined symbol call_user_start (not worth the trouble - uses some kind of custom app_main.c)
+
+#LIBS		= c gcc hal phy pp net80211 wpa main lwip wps
 #ssl
 
 #Add in esphttpd lib

esp_meas.pro

@@ -68,7 +68,8 @@ SOURCES += \
 	esphttpclient/test/httpclient_test.c \
 	esphttpclient/httpclient.c \
     user/page_monitoring.c \
-    user/reporting.c
+    user/reporting.c \
+    user/wificontrol.c
 
 HEADERS += \
 	include/uart_hw.h \
@@ -158,7 +159,8 @@ HEADERS += \
 	esphttpclient/espmissingincludes.h \
 	esphttpclient/httpclient.h \
     user/page_monitoring.h \
-    user/reporting.h
+    user/reporting.h \
+    user/wificontrol.h
 
 DISTFILES += \
 	style.astylerc \

user/datalink.c

@@ -1,5 +1,6 @@
 #include "uart_driver.h"
 #include "datalink.h"
+#include "wificontrol.h"
 
 // payload rx buffer
 #define PAYLOAD_BUFFER_LEN (256+3)
@@ -15,13 +16,22 @@ static void FLASH_FN u0_putc(uint8_t c)
 }
 
 
+/** Handle incoming datagram (new session) */
 static void FLASH_FN dg_handler(SBMP_Datagram *dg)
 {
-	dbg("[SBMP] Datagram received, type %d, session %d", dg->type, dg->session);
+	switch (dg->type) {
+		case DG_SETMODE_AP:
+			wificontrol_setmode_ap();
+			break;
+
+		case DG_WPS_START:
+			wificontrol_start_wps();
+			break;
+	}
 }
 
 /** This is called by the UART rx handler */
-void datalink_receive(uint8_t byte)
+void FLASH_FN datalink_receive(uint8_t byte)
 {
 	sbmp_ep_receive(dlnk_ep, byte);
 }

user/datalink.h

@@ -7,10 +7,13 @@
 // request to capture data...
 #define DG_REQUEST_RAW 40
 #define DG_REQUEST_FFT 41
-// reporting helpers
-#define DG_REQUEST_STORE_REF 42
-#define DG_REQUEST_COMPARE_REF 43
-
+// reporting
+#define DG_REQUEST_STORE_REF 42 // request to capture & store reference FFT
+#define DG_REQUEST_COMPARE_REF 43 // request to capture FFT & compare with reference
+// wifi status & control
+#define DG_SETMODE_AP 44 // request AP mode (AP button pressed)
+#define DG_WPS_START 45 // start WPS
+#define DG_WIFI_STATUS 46 // WiFi status report
 
 
 extern SBMP_Endpoint *dlnk_ep;

user/user_main.c

@@ -24,6 +24,7 @@
 #include "fw_version.h"
 
 #include "reporting.h"
+#include "wificontrol.h"
 
 extern HttpdBuiltInUrl builtInUrls[];
 
@@ -119,7 +120,24 @@ void user_init(void)
 	info("Ready");
 	printf(LOG_EOL);
 
+	wificontrol_init();
+
 	os_timer_disarm(&prSecondTimer);
 	os_timer_setfn(&prSecondTimer, prSecondTimerCb, NULL);
 	os_timer_arm(&prSecondTimer, 1000, 1);
 }
+
+
+// ---- unused funcs removed from sdk to save space ---
+
+// вызывается из phy_chip_v6.o
+void ICACHE_FLASH_ATTR chip_v6_set_sense(void)
+{
+	// ret.n
+}
+
+// вызывается из phy_chip_v6.o
+int ICACHE_FLASH_ATTR chip_v6_unset_chanfreq(void)
+{
+	return 0;
+}

user/wificontrol.c

@@ -0,0 +1,107 @@
+#include <esp8266.h>
+#include <httpd.h>
+#include "wificontrol.h"
+#include <sbmp.h>
+#include "datalink.h"
+#include "reporting.h"
+
+// --- AP ---
+
+void FLASH_FN wificontrol_setmode_ap(void)
+{
+	wifi_station_disconnect(); // disconnect
+	wifi_set_opmode(SOFTAP_MODE); // enter AP mode
+
+	warn("SBMP request to switch to SoftAP mode. Restarting...\n");
+
+	system_restart(); // TODO check if restart is needed
+}
+
+// --- WPS ---
+
+static bool wps_in_progress = false;
+
+static ETSTimer wps_abort_timer;
+
+/** Timer CB - abort WPS */
+static void FLASH_FN abort_wps_cb(void *arg)
+{
+	(void)arg;
+	error("WPS timeout, stopped.");
+	wifi_wps_disable();
+	wps_in_progress = false;
+}
+
+static void FLASH_FN my_wps_cb(int status)
+{
+	dbg("WPS callback!");
+	wps_in_progress = false;
+
+	switch (status) {
+		case WPS_CB_ST_SUCCESS:
+			info("WPS success!");
+			wifi_wps_disable();
+			wifi_station_connect();
+			break;
+
+		default:
+			error("WPS failed.");
+			break;
+	}
+
+	// TODO send status update to STM32
+}
+
+void FLASH_FN wificontrol_start_wps(void)
+{
+	info("Starting WPS...");
+
+	// Make sure station is enabled
+	if (wifi_get_opmode() == SOFTAP_MODE) {
+		wifi_set_opmode(STATIONAP_MODE);
+	}
+
+	// Disconnect if connected to any station
+	wifi_station_disconnect();
+
+	// enable WPS
+	wifi_set_wps_cb(my_wps_cb);
+	wifi_wps_enable(WPS_TYPE_PBC);
+
+	os_timer_disarm(&wps_abort_timer);
+	os_timer_setfn(&wps_abort_timer, abort_wps_cb, NULL);
+	os_timer_arm(&wps_abort_timer, 15000, false); // 15 seconds
+
+	wps_in_progress = true;
+}
+
+// --- Status update ---
+
+static ETSTimer wifistatus_timer;
+
+/** Send wifi status update */
+static void FLASH_FN wifistatus_cb(void *arg)
+{
+	(void)arg;
+
+	WIFI_MODE opmode = wifi_get_opmode();
+
+	STATION_STATUS status = STATION_IDLE;
+	if (opmode != SOFTAP_MODE) {
+		status = wifi_station_get_connect_status();
+	}
+
+	if (sbmp_ep_start_message(dlnk_ep, DG_WIFI_STATUS, 4, NULL)) {
+		sbmp_ep_send_u8(dlnk_ep, opmode); // 1-Client, 2-SoftAP, 3-STA+AP
+		sbmp_ep_send_u8(dlnk_ep, status == STATION_GOT_IP); // Station connected
+		sbmp_ep_send_u8(dlnk_ep, wps_in_progress); // 1 = WPS is in progress
+		sbmp_ep_send_u8(dlnk_ep, rpt_conf.enabled); // Reporting is enabled
+	}
+}
+
+void FLASH_FN wificontrol_init(void)
+{
+	os_timer_disarm(&wifistatus_timer);
+	os_timer_setfn(&wifistatus_timer, wifistatus_cb, NULL);
+	os_timer_arm(&wifistatus_timer, 1000, true);
+}

user/wificontrol.h

@@ -0,0 +1,13 @@
+#ifndef WIFICONTROL_H
+#define WIFICONTROL_H
+
+#include <esp8266.h>
+#include <httpd.h>
+
+void wificontrol_setmode_ap(void);
+
+void wificontrol_start_wps(void);
+
+void wificontrol_init(void);
+
+#endif // WIFICONTROL_H