Diff: Interfaces/SensorComm/SmartSensorComm/SSBootloader/SSBootloaderComm.h

Revision:

0:da5f5b56060a

Child:

5:795cffb6f01a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Interfaces/SensorComm/SmartSensorComm/SSBootloader/SSBootloaderComm.h	Wed Apr 11 16:01:32 2018 -0700
@@ -0,0 +1,108 @@
+/*******************************************************************************
+ * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Maxim Integrated
+ * Products, Inc. shall not be used except as stated in the Maxim Integrated
+ * Products, Inc. Branding Policy.
+ *
+ * The mere transfer of this software does not imply any licenses
+ * of trade secrets, proprietary technology, copyrights, patents,
+ * trademarks, maskwork rights, or any other form of intellectual
+ * property whatsoever. Maxim Integrated Products, Inc. retains all
+ * ownership rights.
+ *******************************************************************************
+ */
+
+#ifndef _SSBOOTLOADERCOMM_H_
+#define _SSBOOTLOADERCOMM_H_
+
+#include "mbed.h"
+#include "SensorComm.h"
+#include "USBSerial.h"
+#include "SSInterface.h"
+
+#define SS_BOOTLOADER_ERASE_DELAY	2000
+
+/**
+ * @brief	SSBootloaderComm Command handler class for bootloader routines on SmartSensor
+ * @details
+ */
+class SSBootloaderComm:	public SensorComm
+{
+public:
+
+	/* PUBLIC FUNCTION DECLARATIONS */
+	/**
+	* @brief	SSBootloaderComm constructor.
+	*
+	*/
+	SSBootloaderComm(USBSerial* USB, SSInterface* ssInterface, DSInterface* dsInterface);
+
+	/**
+	* @brief	Parses DeviceStudio-style commands.
+	* @details  Parses and executes commands. Prints return code to i/o device.
+	* @returns true if sensor acted upon the command, false if command was unknown
+	*/
+	bool parse_command(const char* cmd);
+
+private:
+
+    /* PRIVATE METHODS */
+    int parse_auth(const char* cmd, uint8_t *auth_bytes);
+    int parse_iv(const char* cmd, uint8_t* iv_bytes);
+    void flash_page_data(void);
+
+	/* PRIVATE TYPE DEFINITIONS */
+	typedef enum _cmd_state_t {
+		cmd_enter_bootldr=0,
+		cmd_exit_bootldr,
+		cmd_reset,
+		cmd_page_size,
+		cmd_num_pages,
+		cmd_set_iv,
+		cmd_set_auth,
+		cmd_erase,
+		cmd_flash,
+		NUM_CMDS,
+	} cmd_state_t;
+
+	/* PRIVATE VARIABLES */
+	USBSerial *m_USB;
+	SSInterface *ss_int;
+    DSInterface *ds_int;
+
+    char bootldr_version[128];
+
+    int num_pages;
+    int page_size;
+
+    bool got_page_size;
+    bool sent_num_pages;
+
+    /* PRIVATE CONST VARIABLES */
+    static const int AES_NONCE_SIZE = 11;
+    static const int AES_AUTH_SIZE = 16;
+    static const int MAX_PAGE_SIZE = 8192;
+    static const int CHECKBYTES_SIZE = 16;
+
+};
+
+#endif /* _SSBOOTLOADERCOMM_H_ */