Adding 'rename' operation necessary for using the WiFiNiNa for OTA

src/WiFiStorage.h

@@ -43,6 +43,9 @@ class WiFiStorageClass
 		WiFiDrv::deleteFile(filename, strlen(filename));
 		return true;
 	}
+	static bool rename(const char * old_file_name, const char * new_file_name) {
+		return (WiFiDrv::renameFile(old_file_name, strlen(old_file_name), new_file_name, strlen(new_file_name)) == 0);
+	}
 	static bool read(const char *filename, uint32_t offset, uint8_t* buffer, uint32_t buffer_len) {
 		WiFiDrv::readFile(filename, strlen(filename), offset, buffer, buffer_len);
 		return true;
@@ -59,6 +62,9 @@ class WiFiStorageClass
     static bool remove(String filename) {
     	return remove(filename.c_str());
 	}
+	static bool rename(String old_file_name, String new_file_name) {
+		return rename(old_file_name.c_str(), new_file_name.c_str());
+	}
 	static bool read(String filename, uint32_t offset, uint8_t* buffer, uint32_t buffer_len) {
 		return read(filename.c_str(), offset, buffer, buffer_len);
 	}

src/utility/wifi_drv.cpp

@@ -1110,6 +1110,38 @@ int8_t WiFiDrv::downloadFile(const char* url, uint8_t url_len, const char *filen
     return _data;
 }
 
+int8_t renameFile(const char * old_file_name, uint8_t const old_file_name_len, const char * new_file_name, uint8_t const new_file_name_len)
+{
+	WAIT_FOR_SLAVE_SELECT();
+    /* Send Command */
+    SpiDrv::sendCmd(RENAME_FILE, PARAM_NUMS_2);
+    SpiDrv::sendParam((uint8_t*)old_file_name, old_file_name_len, NO_LAST_PARAM);
+    SpiDrv::sendParam((uint8_t*)new_file_name, new_file_name_len, LAST_PARAM);
+
+    /* pad to multiple of 4 */
+    int commandSize = 6 + old_file_name_len + new_file_name_len;
+    while (commandSize % 4) {
+        SpiDrv::readChar();
+        commandSize++;
+    }
+
+    SpiDrv::spiSlaveDeselect();
+    /* Wait the reply elaboration */
+    SpiDrv::waitForSlaveReady();
+    SpiDrv::spiSlaveSelect();
+
+    /* Wait for reply */
+    uint8_t data = 0;
+    uint8_t dataLen = 0;
+    if (!SpiDrv::waitResponseCmd(DOWNLOAD_FILE, PARAM_NUMS_1, &data, &dataLen))
+    {
+        WARN("error waitResponse");
+        data = WL_FAILURE;
+    }
+    SpiDrv::spiSlaveDeselect();
+    return data;
+}
+
 int8_t WiFiDrv::fileOperation(uint8_t operation, const char *filename, uint8_t filename_len, uint32_t offset, uint8_t* buffer, uint32_t len)
 {
     WAIT_FOR_SLAVE_SELECT();

src/utility/wifi_drv.h

@@ -287,6 +287,7 @@ class WiFiDrv
     static void analogWrite(uint8_t pin, uint8_t value);
 
     static int8_t downloadFile(const char* url, uint8_t url_len, const char *filename, uint8_t filename_len);
+    static int8_t renameFile(const char * old_file_name, uint8_t const old_file_name_len, const char * new_file_name, uint8_t const new_file_name_len);
 
     static int8_t fileOperation(uint8_t operation, const char *filename, uint8_t filename_len, uint32_t offset, uint8_t* buffer, uint32_t len);
 

src/utility/wifi_spi.h

@@ -109,6 +109,7 @@ enum {
     EXISTS_FILE			= 0x63,
     DOWNLOAD_FILE		= 0x64,
     APPLY_OTA_COMMAND	= 0x65,
+	RENAME_FILE			= 0x66,
 };