[WIP] Add WiFi provisioning APIs

src/WiFi.cpp

@@ -156,6 +156,11 @@ uint8_t WiFiClass::beginAP(const char *ssid, const char* passphrase, uint8_t cha
     return status;
 }
 
+uint8_t WiFiClass::beginProvision()
+{
+	return WiFiDrv::beginProvision();
+}
+
 void WiFiClass::config(IPAddress local_ip)
 {
 	WiFiDrv::config(1, (uint32_t)local_ip, 0, 0);

src/WiFi.h

@@ -80,6 +80,14 @@ class WiFiClass
     uint8_t beginAP(const char *ssid, const char* passphrase);
     uint8_t beginAP(const char *ssid, const char* passphrase, uint8_t channel);
 
+    /* Start Wifi connection using provisioner
+     * If the previously configured network can't be found,
+     * an Access point will be turned on, serving a configuration landing page
+     */
+
+    uint8_t beginProvision();
+    uint8_t beginProvision(uint8_t channel);
+
     /* Change Ip configuration settings disabling the dhcp client
         *
         * param local_ip: 	Static ip configuration

src/utility/wifi_drv.cpp

@@ -1078,4 +1078,26 @@ void WiFiDrv::analogWrite(uint8_t pin, uint8_t value)
     SpiDrv::spiSlaveDeselect();
 }
 
+uint8_t WiFiDrv::beginProvision()
+{
+    WAIT_FOR_SLAVE_SELECT();
+
+    // Send Command
+    SpiDrv::sendCmd(BEGIN_PROVISION_CMD, PARAM_NUMS_0);
+
+    SpiDrv::spiSlaveDeselect();
+    //Wait the reply elaboration
+    SpiDrv::waitForSlaveReady();
+    SpiDrv::spiSlaveSelect();
+
+    // Wait for reply
+    uint8_t _data = 1;
+    uint8_t _dataLen = 0;
+    SpiDrv::waitResponseCmd(BEGIN_PROVISION_CMD, PARAM_NUMS_1, &_data, &_dataLen);
+
+    SpiDrv::spiSlaveDeselect();
+
+    return 1;
+}
+
 WiFiDrv wiFiDrv;

src/utility/wifi_drv.h

@@ -286,6 +286,10 @@ class WiFiDrv
     static void digitalWrite(uint8_t pin, uint8_t value);
     static void analogWrite(uint8_t pin, uint8_t value);
 
+    static uint8_t beginProvision();
+    static uint8_t beginProvision(uint8_t channel);
+    static uint32_t provisioned();
+
     friend class WiFiUDP;
     friend class WiFiClient;
 };

src/utility/wifi_spi.h

@@ -47,7 +47,7 @@ enum {
 	SET_NET_CMD 		= 0x10,
 	SET_PASSPHRASE_CMD	= 0x11,
 	SET_KEY_CMD	        = 0x12,
-//	TEST_CMD	        = 0x13,
+	BEGIN_PROVISION_CMD	= 0x13,
 	SET_IP_CONFIG_CMD	= 0x14,
 	SET_DNS_CONFIG_CMD	= 0x15,
 	SET_HOSTNAME_CMD	= 0x16,