From 6f27863ae5c4cda1b587b67c30364fa5700e7d95 Mon Sep 17 00:00:00 2001
From: Mimmo La Fauci <mlafauci@metodo2.it>
Date: Fri, 8 Jun 2012 18:56:47 +0200
Subject: [PATCH] Added function to get firmware version

---
 WiFi/WiFi.cpp             |  5 +++++
 WiFi/WiFi.h               |  6 ++++++
 WiFi/utility/spi_drv.cpp  | 13 ++++++++-----
 WiFi/utility/wifi_drv.cpp | 21 +++++++++++++++++++++
 WiFi/utility/wifi_drv.h   | 11 +++++++++++
 WiFi/utility/wifi_spi.h   |  1 +
 6 files changed, 52 insertions(+), 5 deletions(-)

diff --git a/WiFi/WiFi.cpp b/WiFi/WiFi.cpp
index fd45e9689..c0cb0016d 100755
--- a/WiFi/WiFi.cpp
+++ b/WiFi/WiFi.cpp
@@ -34,6 +34,11 @@ uint8_t WiFiClass::getSocket()
     return NO_SOCKET_AVAIL;
 }
 
+char* WiFiClass::firmwareVersion()
+{
+	return WiFiDrv::getFwVersion();
+}
+
 int WiFiClass::begin(char* ssid)
 {
 	uint8_t status = WL_IDLE_STATUS;
diff --git a/WiFi/WiFi.h b/WiFi/WiFi.h
index 501780b3f..9a86701a0 100755
--- a/WiFi/WiFi.h
+++ b/WiFi/WiFi.h
@@ -28,6 +28,12 @@ public:
      */
     static uint8_t getSocket();
 
+    /*
+     * Get firmware version
+     */
+    static char* firmwareVersion();
+
+
     /* Start Wifi connection for OPEN networks
      *
      * param ssid: Pointer to the SSID string.
diff --git a/WiFi/utility/spi_drv.cpp b/WiFi/utility/spi_drv.cpp
index ceef832c0..fb792bcd1 100644
--- a/WiFi/utility/spi_drv.cpp
+++ b/WiFi/utility/spi_drv.cpp
@@ -7,11 +7,12 @@ extern "C" {
 #include "debug.h"
 }
 
-#define DATAOUT 11//MOSI
-#define DATAIN  12//MISO 
-#define SPICLOCK  13//sck
-#define SLAVESELECT 10//ss
-#define SLAVEREADY 3
+#define DATAOUT 	11 // MOSI
+#define DATAIN  	12 // MISO
+#define SPICLOCK  	13 // sck
+#define SLAVESELECT 10 // ss
+#define SLAVEREADY 	3  // handshake pin
+#define WIFILED 	9  // led on wifi shield
 
 #define DELAY_100NS do { asm volatile("nop"); }while(0);
 #define DELAY_SPI(X) { int ii=0; do {  asm volatile("nop"); }while(++ii<X);}
@@ -30,11 +31,13 @@ void SpiDrv::begin()
 	  pinMode(SS, OUTPUT);
 	  pinMode(SLAVESELECT, OUTPUT);
 	  pinMode(SLAVEREADY, INPUT);
+	  pinMode(WIFILED, OUTPUT);
 
 	  digitalWrite(SCK, LOW);
 	  digitalWrite(MOSI, LOW);
 	  digitalWrite(SS, HIGH);
 	  digitalWrite(SLAVESELECT, HIGH);
+	  digitalWrite(WIFILED, LOW);
 
 #ifdef _DEBUG_
 	  INIT_TRIGGER()
diff --git a/WiFi/utility/wifi_drv.cpp b/WiFi/utility/wifi_drv.cpp
index 45da70bdb..1ca169682 100644
--- a/WiFi/utility/wifi_drv.cpp
+++ b/WiFi/utility/wifi_drv.cpp
@@ -26,6 +26,8 @@ uint8_t WiFiDrv::_mac[] = {0};
 uint8_t WiFiDrv::_localIp[] = {0};
 uint8_t WiFiDrv::_subnetMask[] = {0};
 uint8_t WiFiDrv::_gatewayIp[] = {0};
+// Firmware version
+char    WiFiDrv::fwVersion[] = {0};
 
 
 // Private Methods
@@ -467,4 +469,23 @@ int WiFiDrv::getHostByName(const char* aHostname, IPAddress& aResult)
 	return (retry>0);
 }
 
+char*  WiFiDrv::getFwVersion()
+{
+	WAIT_FOR_SLAVE_SELECT();
+    // Send Command
+    SpiDrv::sendCmd(GET_FW_VERSION_CMD, PARAM_NUMS_0);
+
+    //Wait the reply elaboration
+    SpiDrv::waitForSlaveReady();
+
+    // Wait for reply
+    uint8_t _dataLen = 0;
+    if (!SpiDrv::waitResponseCmd(GET_FW_VERSION_CMD, PARAM_NUMS_1, (uint8_t*)fwVersion, &_dataLen))
+    {
+        WARN("error waitResponse");
+    }
+    SpiDrv::spiSlaveDeselect();
+    return fwVersion;
+}
+
 WiFiDrv wiFiDrv;
diff --git a/WiFi/utility/wifi_drv.h b/WiFi/utility/wifi_drv.h
index 37563cba6..c4f04dbe7 100644
--- a/WiFi/utility/wifi_drv.h
+++ b/WiFi/utility/wifi_drv.h
@@ -9,6 +9,8 @@
 #define KEY_IDX_LEN     1
 // 5 secs of delay to have the connection established
 #define WL_DELAY_START_CONNECTION 5000
+// firmware version string length
+#define WL_FW_VER_LENGTH 6
 
 class WiFiDrv
 {
@@ -18,6 +20,9 @@ private:
 	static int32_t 	_networkRssi[WL_NETWORKS_LIST_MAXNUM];
 	static uint8_t 	_networkEncr[WL_NETWORKS_LIST_MAXNUM];
 
+	// firmware version string in the format a.b.c
+	static char 	fwVersion[WL_FW_VER_LENGTH];
+
 	// settings of current selected network
 	static char 	_ssid[WL_SSID_MAX_LENGTH];
 	static uint8_t 	_bssid[WL_MAC_ADDR_LENGTH];
@@ -201,6 +206,12 @@ public:
      */
     static int getHostByName(const char* aHostname, IPAddress& aResult);
 
+    /*
+     * Get the firmware version
+     * result: version as string with this format a.b.c
+     */
+    static char* getFwVersion();
+
 };
 
 extern WiFiDrv wiFiDrv;
diff --git a/WiFi/utility/wifi_spi.h b/WiFi/utility/wifi_spi.h
index cd3fab7ce..bf479e2ec 100644
--- a/WiFi/utility/wifi_spi.h
+++ b/WiFi/utility/wifi_spi.h
@@ -48,6 +48,7 @@ enum {
 	REQ_HOST_BY_NAME_CMD= 0x34,
 	GET_HOST_BY_NAME_CMD= 0x35,
 	START_SCAN_NETWORKS	= 0x36,
+	GET_FW_VERSION_CMD	= 0x37,
 
     // All command with DATA_FLAG 0x40 send a 16bit Len