DeepCover Embedded Security in IoT: Public-key Secured Data Paths

Dependencies:   MaximInterface

The MAXREFDES155# is an internet-of-things (IoT) embedded-security reference design, built to authenticate and control a sensing node using elliptic-curve-based public-key cryptography with control and notification from a web server.

The hardware includes an ARM® mbed™ shield and attached sensor endpoint. The shield contains a DS2476 DeepCover® ECDSA/SHA-2 coprocessor, Wifi communication, LCD push-button controls, and status LEDs. The sensor endpoint is attached to the shield using a 300mm cable and contains a DS28C36 DeepCover ECDSA/SHA-2 authenticator, IR-thermal sensor, and aiming laser for the IR sensor. The MAXREFDES155# is equipped with a standard Arduino® form-factor shield connector for immediate testing using an mbed board such as the MAX32600MBED#. The combination of these two devices represent an IoT device. Communication to the web server is accomplished with the shield Wifi circuitry. Communication from the shield to the attached sensor module is accomplished over I2C . The sensor module represents an IoT endpoint that generates small data with a requirement for message authenticity/integrity and secure on/off operational control.

The design is hierarchical with each mbed platform and shield communicating data from the sensor node to a web server that maintains a centralized log and dispatches notifications as necessary. The simplicity of this design enables rapid integration into any star-topology IoT network to provide security with the low overhead and cost provided by the ECDSA-P256 asymmetric-key and SHA-256 symmetric-key algorithms.

More information about the MAXREFDES155# is available on the Maxim Integrated website.

Committer:
IanBenzMaxim
Date:
Fri Jan 19 10:28:27 2018 -0600
Revision:
15:75404fab3615
Parent:
13:6a6225690c2e
Updated MaximInterface revision.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
IanBenzMaxim 0:33d4e66780c0 1 /*******************************************************************************
IanBenzMaxim 0:33d4e66780c0 2 * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
IanBenzMaxim 0:33d4e66780c0 3 *
IanBenzMaxim 0:33d4e66780c0 4 * Permission is hereby granted, free of charge, to any person obtaining a
IanBenzMaxim 0:33d4e66780c0 5 * copy of this software and associated documentation files (the "Software"),
IanBenzMaxim 0:33d4e66780c0 6 * to deal in the Software without restriction, including without limitation
IanBenzMaxim 0:33d4e66780c0 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
IanBenzMaxim 0:33d4e66780c0 8 * and/or sell copies of the Software, and to permit persons to whom the
IanBenzMaxim 0:33d4e66780c0 9 * Software is furnished to do so, subject to the following conditions:
IanBenzMaxim 0:33d4e66780c0 10 *
IanBenzMaxim 0:33d4e66780c0 11 * The above copyright notice and this permission notice shall be included
IanBenzMaxim 0:33d4e66780c0 12 * in all copies or substantial portions of the Software.
IanBenzMaxim 0:33d4e66780c0 13 *
IanBenzMaxim 0:33d4e66780c0 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
IanBenzMaxim 0:33d4e66780c0 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
IanBenzMaxim 0:33d4e66780c0 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IanBenzMaxim 0:33d4e66780c0 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
IanBenzMaxim 0:33d4e66780c0 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
IanBenzMaxim 0:33d4e66780c0 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
IanBenzMaxim 0:33d4e66780c0 20 * OTHER DEALINGS IN THE SOFTWARE.
IanBenzMaxim 0:33d4e66780c0 21 *
IanBenzMaxim 0:33d4e66780c0 22 * Except as contained in this notice, the name of Maxim Integrated
IanBenzMaxim 0:33d4e66780c0 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
IanBenzMaxim 0:33d4e66780c0 24 * Products, Inc. Branding Policy.
IanBenzMaxim 0:33d4e66780c0 25 *
IanBenzMaxim 0:33d4e66780c0 26 * The mere transfer of this software does not imply any licenses
IanBenzMaxim 0:33d4e66780c0 27 * of trade secrets, proprietary technology, copyrights, patents,
IanBenzMaxim 0:33d4e66780c0 28 * trademarks, maskwork rights, or any other form of intellectual
IanBenzMaxim 0:33d4e66780c0 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
IanBenzMaxim 0:33d4e66780c0 30 * ownership rights.
IanBenzMaxim 0:33d4e66780c0 31 *******************************************************************************/
IanBenzMaxim 0:33d4e66780c0 32
IanBenzMaxim 3:d2799d8497c0 33 #include <cstdio>
IanBenzMaxim 3:d2799d8497c0 34 #include <cstring>
IanBenzMaxim 0:33d4e66780c0 35 #include <simplelink.h>
IanBenzMaxim 0:33d4e66780c0 36 #include <wait_api.h>
IanBenzMaxim 0:33d4e66780c0 37 #include "CC3100.hpp"
IanBenzMaxim 0:33d4e66780c0 38 #include "CC3100_transport.h"
IanBenzMaxim 0:33d4e66780c0 39 #include "CC3100_pins.h"
IanBenzMaxim 0:33d4e66780c0 40
IanBenzMaxim 3:d2799d8497c0 41 using std::printf;
IanBenzMaxim 3:d2799d8497c0 42 using std::strlen;
IanBenzMaxim 3:d2799d8497c0 43
IanBenzMaxim 0:33d4e66780c0 44 static CC3100::State currentState = CC3100::Stopped;
IanBenzMaxim 0:33d4e66780c0 45
IanBenzMaxim 0:33d4e66780c0 46 /*!
IanBenzMaxim 0:33d4e66780c0 47 \brief This function handles general error events indication
IanBenzMaxim 0:33d4e66780c0 48
IanBenzMaxim 0:33d4e66780c0 49 \param[in] pDevEvent is the event passed to the handler
IanBenzMaxim 0:33d4e66780c0 50
IanBenzMaxim 0:33d4e66780c0 51 \return None
IanBenzMaxim 0:33d4e66780c0 52 */
IanBenzMaxim 13:6a6225690c2e 53 void SimpleLinkGeneralEventHandler(SlDeviceEvent_t * pDevEvent) {
IanBenzMaxim 13:6a6225690c2e 54 /*
IanBenzMaxim 13:6a6225690c2e 55 * Most of the general errors are not FATAL are are to be handled
IanBenzMaxim 13:6a6225690c2e 56 * appropriately by the application
IanBenzMaxim 13:6a6225690c2e 57 */
IanBenzMaxim 13:6a6225690c2e 58 printf(" [GENERAL EVENT] \n\r");
IanBenzMaxim 0:33d4e66780c0 59 }
IanBenzMaxim 0:33d4e66780c0 60
IanBenzMaxim 0:33d4e66780c0 61 /*!
IanBenzMaxim 0:33d4e66780c0 62 \brief This function handles WLAN events
IanBenzMaxim 0:33d4e66780c0 63
IanBenzMaxim 0:33d4e66780c0 64 \param[in] pWlanEvent is the event passed to the handler
IanBenzMaxim 0:33d4e66780c0 65
IanBenzMaxim 0:33d4e66780c0 66 \return None
IanBenzMaxim 0:33d4e66780c0 67
IanBenzMaxim 0:33d4e66780c0 68 \note
IanBenzMaxim 0:33d4e66780c0 69
IanBenzMaxim 0:33d4e66780c0 70 \warning
IanBenzMaxim 0:33d4e66780c0 71 */
IanBenzMaxim 13:6a6225690c2e 72 void SimpleLinkWlanEventHandler(SlWlanEvent_t * pWlanEvent) {
IanBenzMaxim 13:6a6225690c2e 73 if (pWlanEvent == NULL) {
IanBenzMaxim 13:6a6225690c2e 74 printf(" [WLAN EVENT] NULL Pointer Error \n\r");
IanBenzMaxim 13:6a6225690c2e 75 return;
IanBenzMaxim 13:6a6225690c2e 76 }
IanBenzMaxim 13:6a6225690c2e 77
IanBenzMaxim 13:6a6225690c2e 78 switch (pWlanEvent->Event) {
IanBenzMaxim 13:6a6225690c2e 79 case SL_WLAN_CONNECT_EVENT:
IanBenzMaxim 13:6a6225690c2e 80 currentState = CC3100::Connected;
IanBenzMaxim 0:33d4e66780c0 81
IanBenzMaxim 13:6a6225690c2e 82 /*
IanBenzMaxim 13:6a6225690c2e 83 * Information about the connected AP (like name, MAC etc) will be
IanBenzMaxim 13:6a6225690c2e 84 * available in 'slWlanConnectAsyncResponse_t' - Applications
IanBenzMaxim 13:6a6225690c2e 85 * can use it if required
IanBenzMaxim 13:6a6225690c2e 86 *
IanBenzMaxim 13:6a6225690c2e 87 * slWlanConnectAsyncResponse_t *pEventData = NULL;
IanBenzMaxim 13:6a6225690c2e 88 * pEventData = &pWlanEvent->EventData.STAandP2PModeWlanConnected;
IanBenzMaxim 13:6a6225690c2e 89 *
IanBenzMaxim 13:6a6225690c2e 90 */
IanBenzMaxim 13:6a6225690c2e 91 break;
IanBenzMaxim 0:33d4e66780c0 92
IanBenzMaxim 13:6a6225690c2e 93 case SL_WLAN_DISCONNECT_EVENT: {
IanBenzMaxim 13:6a6225690c2e 94 currentState = CC3100::Disconnected;
IanBenzMaxim 0:33d4e66780c0 95
IanBenzMaxim 13:6a6225690c2e 96 slWlanConnectAsyncResponse_t & pEventData =
IanBenzMaxim 13:6a6225690c2e 97 pWlanEvent->EventData.STAandP2PModeDisconnected;
IanBenzMaxim 0:33d4e66780c0 98
IanBenzMaxim 13:6a6225690c2e 99 /* If the user has initiated 'Disconnect' request, 'reason_code' is SL_USER_INITIATED_DISCONNECTION */
IanBenzMaxim 13:6a6225690c2e 100 if (SL_WLAN_DISCONNECT_USER_INITIATED_DISCONNECTION ==
IanBenzMaxim 13:6a6225690c2e 101 pEventData.reason_code) {
IanBenzMaxim 13:6a6225690c2e 102 printf(" Device disconnected from the AP on application's request \n\r");
IanBenzMaxim 13:6a6225690c2e 103 } else {
IanBenzMaxim 13:6a6225690c2e 104 printf(" Device disconnected from the AP on an ERROR..!! \n\r");
IanBenzMaxim 0:33d4e66780c0 105 }
IanBenzMaxim 13:6a6225690c2e 106 } break;
IanBenzMaxim 13:6a6225690c2e 107
IanBenzMaxim 13:6a6225690c2e 108 default:
IanBenzMaxim 13:6a6225690c2e 109 printf(" [WLAN EVENT] Unexpected event \n\r");
IanBenzMaxim 13:6a6225690c2e 110 break;
IanBenzMaxim 13:6a6225690c2e 111 }
IanBenzMaxim 0:33d4e66780c0 112 }
IanBenzMaxim 0:33d4e66780c0 113
IanBenzMaxim 0:33d4e66780c0 114 /*!
IanBenzMaxim 0:33d4e66780c0 115 \brief This function handles events for IP address acquisition via DHCP
IanBenzMaxim 0:33d4e66780c0 116 indication
IanBenzMaxim 0:33d4e66780c0 117
IanBenzMaxim 0:33d4e66780c0 118 \param[in] pNetAppEvent is the event passed to the handler
IanBenzMaxim 0:33d4e66780c0 119
IanBenzMaxim 0:33d4e66780c0 120 \return None
IanBenzMaxim 0:33d4e66780c0 121
IanBenzMaxim 0:33d4e66780c0 122 \note
IanBenzMaxim 0:33d4e66780c0 123
IanBenzMaxim 0:33d4e66780c0 124 \warning
IanBenzMaxim 0:33d4e66780c0 125 */
IanBenzMaxim 13:6a6225690c2e 126 void SimpleLinkNetAppEventHandler(SlNetAppEvent_t * pNetAppEvent) {
IanBenzMaxim 13:6a6225690c2e 127 if (pNetAppEvent == NULL) {
IanBenzMaxim 13:6a6225690c2e 128 printf(" [NETAPP EVENT] NULL Pointer Error \n\r");
IanBenzMaxim 13:6a6225690c2e 129 return;
IanBenzMaxim 13:6a6225690c2e 130 }
IanBenzMaxim 0:33d4e66780c0 131
IanBenzMaxim 13:6a6225690c2e 132 switch (pNetAppEvent->Event) {
IanBenzMaxim 13:6a6225690c2e 133 case SL_NETAPP_IPV4_IPACQUIRED_EVENT:
IanBenzMaxim 13:6a6225690c2e 134 currentState = CC3100::Connected;
IanBenzMaxim 0:33d4e66780c0 135
IanBenzMaxim 13:6a6225690c2e 136 //SlIpV4AcquiredAsync_t & pEventData = pNetAppEvent->EventData.ipAcquiredV4;
IanBenzMaxim 13:6a6225690c2e 137 break;
IanBenzMaxim 13:6a6225690c2e 138
IanBenzMaxim 13:6a6225690c2e 139 default:
IanBenzMaxim 13:6a6225690c2e 140 printf(" [NETAPP EVENT] Unexpected event \n\r");
IanBenzMaxim 13:6a6225690c2e 141 break;
IanBenzMaxim 13:6a6225690c2e 142 }
IanBenzMaxim 0:33d4e66780c0 143 }
IanBenzMaxim 0:33d4e66780c0 144
IanBenzMaxim 0:33d4e66780c0 145 /*!
IanBenzMaxim 0:33d4e66780c0 146 \brief This function handles socket events indication
IanBenzMaxim 0:33d4e66780c0 147
IanBenzMaxim 0:33d4e66780c0 148 \param[in] pSock is the event passed to the handler
IanBenzMaxim 0:33d4e66780c0 149
IanBenzMaxim 0:33d4e66780c0 150 \return None
IanBenzMaxim 0:33d4e66780c0 151 */
IanBenzMaxim 13:6a6225690c2e 152 void SimpleLinkSockEventHandler(SlSockEvent_t * pSock) {
IanBenzMaxim 13:6a6225690c2e 153 if (pSock == NULL) {
IanBenzMaxim 13:6a6225690c2e 154 printf(" [SOCK EVENT] NULL Pointer Error \n\r");
IanBenzMaxim 13:6a6225690c2e 155 return;
IanBenzMaxim 13:6a6225690c2e 156 }
IanBenzMaxim 0:33d4e66780c0 157
IanBenzMaxim 13:6a6225690c2e 158 switch (pSock->Event) {
IanBenzMaxim 13:6a6225690c2e 159 case SL_SOCKET_TX_FAILED_EVENT:
IanBenzMaxim 13:6a6225690c2e 160 /*
IanBenzMaxim 13:6a6225690c2e 161 * TX Failed
IanBenzMaxim 13:6a6225690c2e 162 *
IanBenzMaxim 13:6a6225690c2e 163 * Information about the socket descriptor and status will be
IanBenzMaxim 13:6a6225690c2e 164 * available in 'SlSockEventData_t' - Applications can use it if
IanBenzMaxim 13:6a6225690c2e 165 * required
IanBenzMaxim 13:6a6225690c2e 166 *
IanBenzMaxim 13:6a6225690c2e 167 * SlSockEventData_u *pEventData = NULL;
IanBenzMaxim 13:6a6225690c2e 168 * pEventData = & pSock->socketAsyncEvent;
IanBenzMaxim 13:6a6225690c2e 169 */
IanBenzMaxim 13:6a6225690c2e 170 switch (pSock->socketAsyncEvent.SockTxFailData.status) {
IanBenzMaxim 13:6a6225690c2e 171 case SL_ECLOSE:
IanBenzMaxim 13:6a6225690c2e 172 printf(" [SOCK EVENT] Close socket operation failed to transmit all "
IanBenzMaxim 13:6a6225690c2e 173 "queued packets\n\r");
IanBenzMaxim 13:6a6225690c2e 174 break;
IanBenzMaxim 0:33d4e66780c0 175
IanBenzMaxim 3:d2799d8497c0 176 default:
IanBenzMaxim 13:6a6225690c2e 177 printf(" [SOCK EVENT] Unexpected event \n\r");
IanBenzMaxim 13:6a6225690c2e 178 break;
IanBenzMaxim 0:33d4e66780c0 179 }
IanBenzMaxim 13:6a6225690c2e 180 break;
IanBenzMaxim 13:6a6225690c2e 181
IanBenzMaxim 13:6a6225690c2e 182 default:
IanBenzMaxim 13:6a6225690c2e 183 printf(" [SOCK EVENT] Unexpected event \n\r");
IanBenzMaxim 13:6a6225690c2e 184 break;
IanBenzMaxim 13:6a6225690c2e 185 }
IanBenzMaxim 0:33d4e66780c0 186 }
IanBenzMaxim 0:33d4e66780c0 187
IanBenzMaxim 0:33d4e66780c0 188 /*!
IanBenzMaxim 0:33d4e66780c0 189 \brief This function handles ping report events
IanBenzMaxim 0:33d4e66780c0 190
IanBenzMaxim 0:33d4e66780c0 191 \param[in] pPingReport holds the ping report statistics
IanBenzMaxim 0:33d4e66780c0 192
IanBenzMaxim 0:33d4e66780c0 193 \return None
IanBenzMaxim 0:33d4e66780c0 194
IanBenzMaxim 0:33d4e66780c0 195 \note
IanBenzMaxim 0:33d4e66780c0 196
IanBenzMaxim 0:33d4e66780c0 197 \warning
IanBenzMaxim 0:33d4e66780c0 198 */
IanBenzMaxim 13:6a6225690c2e 199 static void SimpleLinkPingReport(SlPingReport_t * pPingReport) {
IanBenzMaxim 13:6a6225690c2e 200 currentState = CC3100::Connected;
IanBenzMaxim 0:33d4e66780c0 201
IanBenzMaxim 13:6a6225690c2e 202 if (pPingReport == NULL) {
IanBenzMaxim 13:6a6225690c2e 203 printf(" [PING REPORT] NULL Pointer Error\r\n");
IanBenzMaxim 13:6a6225690c2e 204 return;
IanBenzMaxim 13:6a6225690c2e 205 }
IanBenzMaxim 13:6a6225690c2e 206
IanBenzMaxim 13:6a6225690c2e 207 printf(" [PING REPORT] Sent: %lu, Received: %lu\r\n",
IanBenzMaxim 13:6a6225690c2e 208 pPingReport->PacketsSent, pPingReport->PacketsReceived);
IanBenzMaxim 0:33d4e66780c0 209 }
IanBenzMaxim 0:33d4e66780c0 210
IanBenzMaxim 13:6a6225690c2e 211 CC3100::SPI::SPI(PinName mosi, PinName miso, PinName sclk, PinName ssel)
IanBenzMaxim 13:6a6225690c2e 212 : spi(mosi, miso, sclk), cs(ssel, 1) {}
IanBenzMaxim 13:6a6225690c2e 213
IanBenzMaxim 13:6a6225690c2e 214 void CC3100::SPI::transfer(const uint8_t * txData, size_t dataSize,
IanBenzMaxim 13:6a6225690c2e 215 uint8_t * rxData) {
IanBenzMaxim 13:6a6225690c2e 216 const int cs_delay_ms = 5;
IanBenzMaxim 0:33d4e66780c0 217
IanBenzMaxim 13:6a6225690c2e 218 cs = 0;
IanBenzMaxim 13:6a6225690c2e 219 wait_ms(cs_delay_ms);
IanBenzMaxim 13:6a6225690c2e 220 for (size_t i = 0; i < dataSize; i++) {
IanBenzMaxim 13:6a6225690c2e 221 if (rxData == NULL)
IanBenzMaxim 13:6a6225690c2e 222 spi.write(txData[i]);
IanBenzMaxim 13:6a6225690c2e 223 else
IanBenzMaxim 13:6a6225690c2e 224 rxData[i] = spi.write(txData[i]);
IanBenzMaxim 13:6a6225690c2e 225 }
IanBenzMaxim 13:6a6225690c2e 226 wait_ms(cs_delay_ms);
IanBenzMaxim 13:6a6225690c2e 227 cs = 1;
IanBenzMaxim 0:33d4e66780c0 228 }
IanBenzMaxim 0:33d4e66780c0 229
IanBenzMaxim 13:6a6225690c2e 230 CC3100::CC3100()
IanBenzMaxim 13:6a6225690c2e 231 : spi(HOST_SPI_MOSI_PIN, HOST_SPI_MISO_PIN, HOST_SPI_CLK_PIN,
IanBenzMaxim 13:6a6225690c2e 232 HOST_SPI_nCS_PIN) {}
IanBenzMaxim 0:33d4e66780c0 233
IanBenzMaxim 13:6a6225690c2e 234 CC3100 & CC3100::instance() {
IanBenzMaxim 13:6a6225690c2e 235 static CC3100 instance;
IanBenzMaxim 13:6a6225690c2e 236 return instance;
IanBenzMaxim 0:33d4e66780c0 237 }
IanBenzMaxim 0:33d4e66780c0 238
IanBenzMaxim 13:6a6225690c2e 239 int CC3100::start() {
IanBenzMaxim 13:6a6225690c2e 240 // Adapter should be stopped.
IanBenzMaxim 13:6a6225690c2e 241 if (currentState != Stopped)
IanBenzMaxim 13:6a6225690c2e 242 return invalidState;
IanBenzMaxim 0:33d4e66780c0 243
IanBenzMaxim 13:6a6225690c2e 244 int result = sl_Start(&spi, NULL, NULL);
IanBenzMaxim 13:6a6225690c2e 245 if (result >= 0)
IanBenzMaxim 13:6a6225690c2e 246 currentState = Disconnected;
IanBenzMaxim 13:6a6225690c2e 247 return result;
IanBenzMaxim 0:33d4e66780c0 248 }
IanBenzMaxim 0:33d4e66780c0 249
IanBenzMaxim 13:6a6225690c2e 250 CC3100::State CC3100::state() const { return currentState; }
IanBenzMaxim 13:6a6225690c2e 251
IanBenzMaxim 13:6a6225690c2e 252 int CC3100::stop() {
IanBenzMaxim 13:6a6225690c2e 253 // Adapter should not be stopped.
IanBenzMaxim 13:6a6225690c2e 254 if (currentState == Stopped)
IanBenzMaxim 13:6a6225690c2e 255 return invalidState;
IanBenzMaxim 13:6a6225690c2e 256
IanBenzMaxim 13:6a6225690c2e 257 int result = sl_Stop(0xFF);
IanBenzMaxim 13:6a6225690c2e 258 if (result >= 0)
IanBenzMaxim 13:6a6225690c2e 259 currentState = Stopped;
IanBenzMaxim 13:6a6225690c2e 260 return result;
IanBenzMaxim 0:33d4e66780c0 261 }
IanBenzMaxim 0:33d4e66780c0 262
IanBenzMaxim 13:6a6225690c2e 263 void CC3100::update() { sl_Task(); }
IanBenzMaxim 0:33d4e66780c0 264
IanBenzMaxim 13:6a6225690c2e 265 int CC3100::setDateTime(const std::tm & dateTime) {
IanBenzMaxim 13:6a6225690c2e 266 SlDateTime_t slDateTime = {
IanBenzMaxim 13:6a6225690c2e 267 static_cast<_u32>(dateTime.tm_sec), // sl_tm_sec
IanBenzMaxim 13:6a6225690c2e 268 static_cast<_u32>(dateTime.tm_min), // sl_tm_min
IanBenzMaxim 13:6a6225690c2e 269 static_cast<_u32>(dateTime.tm_hour), // sl_tm_hour
IanBenzMaxim 13:6a6225690c2e 270 static_cast<_u32>(dateTime.tm_mday), // sl_tm_day
IanBenzMaxim 13:6a6225690c2e 271 static_cast<_u32>(dateTime.tm_mon), // sl_tm_mon
IanBenzMaxim 13:6a6225690c2e 272 static_cast<_u32>(dateTime.tm_year) // sl_tm_year
IanBenzMaxim 13:6a6225690c2e 273 };
IanBenzMaxim 13:6a6225690c2e 274 return sl_DevSet(SL_DEVICE_GENERAL_CONFIGURATION,
IanBenzMaxim 13:6a6225690c2e 275 SL_DEVICE_GENERAL_CONFIGURATION_DATE_TIME,
IanBenzMaxim 13:6a6225690c2e 276 sizeof(SlDateTime_t),
IanBenzMaxim 13:6a6225690c2e 277 reinterpret_cast<const _u8 *>(&slDateTime));
IanBenzMaxim 0:33d4e66780c0 278 }
IanBenzMaxim 0:33d4e66780c0 279
IanBenzMaxim 13:6a6225690c2e 280 int CC3100::set_credentials(const char * ssid, const char * pass,
IanBenzMaxim 13:6a6225690c2e 281 nsapi_security_t security) {
IanBenzMaxim 13:6a6225690c2e 282 this->ssid.assign(ssid);
IanBenzMaxim 13:6a6225690c2e 283 this->pass.assign(pass);
IanBenzMaxim 13:6a6225690c2e 284 this->security = security;
IanBenzMaxim 13:6a6225690c2e 285 return 0;
IanBenzMaxim 0:33d4e66780c0 286 }
IanBenzMaxim 0:33d4e66780c0 287
IanBenzMaxim 13:6a6225690c2e 288 int CC3100::connect(const char * ssid, const char * pass,
IanBenzMaxim 13:6a6225690c2e 289 nsapi_security_t security, uint8_t channel) {
IanBenzMaxim 13:6a6225690c2e 290 // Adapter should be disconnected.
IanBenzMaxim 13:6a6225690c2e 291 if (currentState != Disconnected)
IanBenzMaxim 13:6a6225690c2e 292 return invalidState;
IanBenzMaxim 13:6a6225690c2e 293
IanBenzMaxim 13:6a6225690c2e 294 SlSecParams_t secParams = {
IanBenzMaxim 13:6a6225690c2e 295 SL_SEC_TYPE_OPEN, // Type
IanBenzMaxim 13:6a6225690c2e 296 const_cast<_i8 *>(reinterpret_cast<const _i8 *>(pass)), // Key
IanBenzMaxim 13:6a6225690c2e 297 static_cast<_u8>(strlen(pass)), // KeyLen
IanBenzMaxim 13:6a6225690c2e 298 };
IanBenzMaxim 13:6a6225690c2e 299 switch (security) {
IanBenzMaxim 13:6a6225690c2e 300 case NSAPI_SECURITY_WPA2:
IanBenzMaxim 13:6a6225690c2e 301 case NSAPI_SECURITY_WPA:
IanBenzMaxim 13:6a6225690c2e 302 case NSAPI_SECURITY_WPA_WPA2:
IanBenzMaxim 13:6a6225690c2e 303 secParams.Type = SL_SEC_TYPE_WPA_WPA2;
IanBenzMaxim 13:6a6225690c2e 304 break;
IanBenzMaxim 13:6a6225690c2e 305
IanBenzMaxim 13:6a6225690c2e 306 case NSAPI_SECURITY_WEP:
IanBenzMaxim 13:6a6225690c2e 307 secParams.Type = SL_SEC_TYPE_WEP;
IanBenzMaxim 13:6a6225690c2e 308 break;
IanBenzMaxim 13:6a6225690c2e 309
IanBenzMaxim 13:6a6225690c2e 310 case NSAPI_SECURITY_NONE:
IanBenzMaxim 13:6a6225690c2e 311 case NSAPI_SECURITY_UNKNOWN:
IanBenzMaxim 13:6a6225690c2e 312 secParams.Type = SL_SEC_TYPE_OPEN;
IanBenzMaxim 13:6a6225690c2e 313 break;
IanBenzMaxim 13:6a6225690c2e 314 }
IanBenzMaxim 13:6a6225690c2e 315 int result = sl_WlanConnect(reinterpret_cast<const _i8 *>(ssid), strlen(ssid),
IanBenzMaxim 13:6a6225690c2e 316 NULL, &secParams, NULL);
IanBenzMaxim 13:6a6225690c2e 317 if (result == SL_RET_CODE_OK) {
IanBenzMaxim 13:6a6225690c2e 318 // Wait for completion.
IanBenzMaxim 13:6a6225690c2e 319 int attempts = 1000;
IanBenzMaxim 13:6a6225690c2e 320 do {
IanBenzMaxim 13:6a6225690c2e 321 wait_ms(10);
IanBenzMaxim 13:6a6225690c2e 322 update();
IanBenzMaxim 13:6a6225690c2e 323 } while ((currentState != Connected) && (--attempts > 0));
IanBenzMaxim 13:6a6225690c2e 324 if (attempts == 0)
IanBenzMaxim 13:6a6225690c2e 325 result = SL_RET_CODE_ABORT;
IanBenzMaxim 13:6a6225690c2e 326 }
IanBenzMaxim 13:6a6225690c2e 327 return result;
IanBenzMaxim 0:33d4e66780c0 328 }
IanBenzMaxim 0:33d4e66780c0 329
IanBenzMaxim 13:6a6225690c2e 330 int CC3100::connect(const char * ssid, const char * username,
IanBenzMaxim 13:6a6225690c2e 331 const char * password) {
IanBenzMaxim 13:6a6225690c2e 332 // Adapter should be disconnected.
IanBenzMaxim 13:6a6225690c2e 333 if (currentState != Disconnected)
IanBenzMaxim 13:6a6225690c2e 334 return invalidState;
IanBenzMaxim 13:6a6225690c2e 335
IanBenzMaxim 13:6a6225690c2e 336 uint8_t values = 0;
IanBenzMaxim 13:6a6225690c2e 337 sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID, 19, 1, &values);
IanBenzMaxim 13:6a6225690c2e 338
IanBenzMaxim 13:6a6225690c2e 339 SlSecParams_t secParams = {
IanBenzMaxim 13:6a6225690c2e 340 SL_SEC_TYPE_WPA_ENT, // Type
IanBenzMaxim 13:6a6225690c2e 341 const_cast<_i8 *>(reinterpret_cast<const _i8 *>(password)), // Key
IanBenzMaxim 13:6a6225690c2e 342 static_cast<_u8>(strlen(password)) // KeyLen
IanBenzMaxim 13:6a6225690c2e 343 };
IanBenzMaxim 13:6a6225690c2e 344 SlSecParamsExt_t secParamsExt = {
IanBenzMaxim 13:6a6225690c2e 345 const_cast<_i8 *>(reinterpret_cast<const _i8 *>(username)), // User
IanBenzMaxim 13:6a6225690c2e 346 static_cast<_u8>(strlen(username)), // UserLen
IanBenzMaxim 13:6a6225690c2e 347 NULL, // AnonUser
IanBenzMaxim 13:6a6225690c2e 348 0, // AnonUserLen
IanBenzMaxim 13:6a6225690c2e 349 0, // CertIndex
IanBenzMaxim 13:6a6225690c2e 350 SL_ENT_EAP_METHOD_PEAP0_MSCHAPv2 // EapMethod
IanBenzMaxim 13:6a6225690c2e 351 };
IanBenzMaxim 13:6a6225690c2e 352 int result = sl_WlanConnect(reinterpret_cast<const _i8 *>(ssid), strlen(ssid),
IanBenzMaxim 13:6a6225690c2e 353 NULL, &secParams, &secParamsExt);
IanBenzMaxim 13:6a6225690c2e 354 if (result == SL_RET_CODE_OK) {
IanBenzMaxim 13:6a6225690c2e 355 // Wait for completion.
IanBenzMaxim 13:6a6225690c2e 356 int attempts = 1000;
IanBenzMaxim 13:6a6225690c2e 357 do {
IanBenzMaxim 13:6a6225690c2e 358 wait_ms(10);
IanBenzMaxim 13:6a6225690c2e 359 update();
IanBenzMaxim 13:6a6225690c2e 360 } while ((currentState != Connected) && (--attempts > 0));
IanBenzMaxim 13:6a6225690c2e 361 if (attempts == 0)
IanBenzMaxim 13:6a6225690c2e 362 result = SL_RET_CODE_ABORT;
IanBenzMaxim 13:6a6225690c2e 363 }
IanBenzMaxim 13:6a6225690c2e 364 return result;
IanBenzMaxim 0:33d4e66780c0 365 }
IanBenzMaxim 0:33d4e66780c0 366
IanBenzMaxim 13:6a6225690c2e 367 int CC3100::disconnect() {
IanBenzMaxim 13:6a6225690c2e 368 // Adapter should be connected.
IanBenzMaxim 13:6a6225690c2e 369 if (currentState != Connected)
IanBenzMaxim 13:6a6225690c2e 370 return invalidState;
IanBenzMaxim 13:6a6225690c2e 371
IanBenzMaxim 13:6a6225690c2e 372 return sl_WlanDisconnect();
IanBenzMaxim 0:33d4e66780c0 373 }
IanBenzMaxim 0:33d4e66780c0 374
IanBenzMaxim 13:6a6225690c2e 375 int CC3100::gethostbyname(const char * host, SocketAddress * address,
IanBenzMaxim 13:6a6225690c2e 376 nsapi_version_t version) {
IanBenzMaxim 13:6a6225690c2e 377 // TODO: Add IPv6 support
IanBenzMaxim 13:6a6225690c2e 378
IanBenzMaxim 13:6a6225690c2e 379 // Adapter should be connected.
IanBenzMaxim 13:6a6225690c2e 380 if (currentState != Connected)
IanBenzMaxim 13:6a6225690c2e 381 return invalidState;
IanBenzMaxim 13:6a6225690c2e 382
IanBenzMaxim 13:6a6225690c2e 383 uint32_t addressInt;
IanBenzMaxim 13:6a6225690c2e 384 int result;
IanBenzMaxim 13:6a6225690c2e 385 int attempts = 1000;
IanBenzMaxim 13:6a6225690c2e 386 do // Wait for DNS servers.
IanBenzMaxim 13:6a6225690c2e 387 {
IanBenzMaxim 13:6a6225690c2e 388 wait_ms(10);
IanBenzMaxim 13:6a6225690c2e 389 result = sl_NetAppDnsGetHostByName(
IanBenzMaxim 13:6a6225690c2e 390 const_cast<_i8 *>(reinterpret_cast<const _i8 *>(host)), strlen(host),
IanBenzMaxim 13:6a6225690c2e 391 reinterpret_cast<_u32 *>(&addressInt), SL_AF_INET);
IanBenzMaxim 13:6a6225690c2e 392 } while ((result == SL_NET_APP_DNS_NO_SERVER) && (--attempts > 0));
IanBenzMaxim 13:6a6225690c2e 393 if (result == SL_RET_CODE_OK) {
IanBenzMaxim 13:6a6225690c2e 394 nsapi_addr_t addressBytes = {
IanBenzMaxim 13:6a6225690c2e 395 NSAPI_IPv4, // version
IanBenzMaxim 13:6a6225690c2e 396 0, // bytes
IanBenzMaxim 13:6a6225690c2e 397 };
IanBenzMaxim 13:6a6225690c2e 398 for (int i = 4; i > 0; i--) {
IanBenzMaxim 13:6a6225690c2e 399 addressBytes.bytes[i - 1] = addressInt;
IanBenzMaxim 13:6a6225690c2e 400 addressInt >>= 8;
IanBenzMaxim 0:33d4e66780c0 401 }
IanBenzMaxim 13:6a6225690c2e 402 address->set_addr(addressBytes);
IanBenzMaxim 13:6a6225690c2e 403 }
IanBenzMaxim 13:6a6225690c2e 404 return result;
IanBenzMaxim 0:33d4e66780c0 405 }
IanBenzMaxim 0:33d4e66780c0 406
IanBenzMaxim 13:6a6225690c2e 407 int CC3100::ping(const SocketAddress & address) {
IanBenzMaxim 13:6a6225690c2e 408 // Adapter should be connected.
IanBenzMaxim 13:6a6225690c2e 409 if (currentState != Connected)
IanBenzMaxim 13:6a6225690c2e 410 return invalidState;
IanBenzMaxim 13:6a6225690c2e 411
IanBenzMaxim 13:6a6225690c2e 412 SlPingStartCommand_t pingParams = {
IanBenzMaxim 13:6a6225690c2e 413 1000, // PingIntervalTime
IanBenzMaxim 13:6a6225690c2e 414 20, // PingSize
IanBenzMaxim 13:6a6225690c2e 415 3000, // PingRequestTimeout
IanBenzMaxim 13:6a6225690c2e 416 3, // TotalNumberOfAttempts
IanBenzMaxim 13:6a6225690c2e 417 0, // Flags
IanBenzMaxim 13:6a6225690c2e 418 0 // Ip
IanBenzMaxim 13:6a6225690c2e 419 };
IanBenzMaxim 13:6a6225690c2e 420 for (int i = 0; i < 4; i++) {
IanBenzMaxim 13:6a6225690c2e 421 pingParams.Ip <<= 8;
IanBenzMaxim 13:6a6225690c2e 422 pingParams.Ip |= address.get_addr().bytes[i];
IanBenzMaxim 13:6a6225690c2e 423 }
IanBenzMaxim 13:6a6225690c2e 424 SlPingReport_t pingReport;
IanBenzMaxim 13:6a6225690c2e 425 int result = sl_NetAppPingStart(
IanBenzMaxim 13:6a6225690c2e 426 (SlPingStartCommand_t *)&pingParams, SL_AF_INET,
IanBenzMaxim 13:6a6225690c2e 427 static_cast<SlPingReport_t *>(&pingReport), SimpleLinkPingReport);
IanBenzMaxim 13:6a6225690c2e 428 if (result == SL_RET_CODE_OK) {
IanBenzMaxim 13:6a6225690c2e 429 // Wait for completion.
IanBenzMaxim 13:6a6225690c2e 430 currentState = Pinging;
IanBenzMaxim 13:6a6225690c2e 431 int attempts = 1000;
IanBenzMaxim 13:6a6225690c2e 432 do {
IanBenzMaxim 13:6a6225690c2e 433 wait_ms(10);
IanBenzMaxim 13:6a6225690c2e 434 update();
IanBenzMaxim 13:6a6225690c2e 435 } while ((currentState == Pinging) && (--attempts > 0));
IanBenzMaxim 13:6a6225690c2e 436 if (attempts == 0)
IanBenzMaxim 13:6a6225690c2e 437 result = SL_RET_CODE_ABORT;
IanBenzMaxim 13:6a6225690c2e 438 }
IanBenzMaxim 13:6a6225690c2e 439 return result;
IanBenzMaxim 0:33d4e66780c0 440 }
IanBenzMaxim 0:33d4e66780c0 441
IanBenzMaxim 13:6a6225690c2e 442 int CC3100::socket_open(nsapi_socket_t * handle, nsapi_protocol_t proto) {
IanBenzMaxim 13:6a6225690c2e 443 int16_t result;
IanBenzMaxim 13:6a6225690c2e 444 switch (proto) {
IanBenzMaxim 13:6a6225690c2e 445 case NSAPI_TCP:
IanBenzMaxim 13:6a6225690c2e 446 result = sl_Socket(SL_AF_INET, SL_SOCK_STREAM, 0);
IanBenzMaxim 13:6a6225690c2e 447 break;
IanBenzMaxim 13:6a6225690c2e 448
IanBenzMaxim 13:6a6225690c2e 449 case NSAPI_UDP:
IanBenzMaxim 13:6a6225690c2e 450 result = sl_Socket(SL_AF_INET, SL_SOCK_DGRAM, 0);
IanBenzMaxim 13:6a6225690c2e 451 break;
IanBenzMaxim 13:6a6225690c2e 452
IanBenzMaxim 13:6a6225690c2e 453 /*case SL_SEC_SOCKET:
IanBenzMaxim 13:6a6225690c2e 454 result = sl_Socket(SL_AF_INET, SL_SOCK_STREAM, SL_SEC_SOCKET);
IanBenzMaxim 13:6a6225690c2e 455 break;*/
IanBenzMaxim 13:6a6225690c2e 456
IanBenzMaxim 13:6a6225690c2e 457 default:
IanBenzMaxim 13:6a6225690c2e 458 result = SL_SOC_ERROR;
IanBenzMaxim 13:6a6225690c2e 459 break;
IanBenzMaxim 13:6a6225690c2e 460 }
IanBenzMaxim 13:6a6225690c2e 461 if (result >= 0) {
IanBenzMaxim 13:6a6225690c2e 462 *handle = new int16_t(result);
IanBenzMaxim 13:6a6225690c2e 463
IanBenzMaxim 13:6a6225690c2e 464 // Set non-blocking.
IanBenzMaxim 13:6a6225690c2e 465 SlSockNonblocking_t enableOption = {
IanBenzMaxim 13:6a6225690c2e 466 1 // NonblockingEnabled
IanBenzMaxim 13:6a6225690c2e 467 };
IanBenzMaxim 13:6a6225690c2e 468 result = sl_SetSockOpt(
IanBenzMaxim 13:6a6225690c2e 469 *static_cast<int16_t *>(*handle), SL_SOL_SOCKET, SL_SO_NONBLOCKING,
IanBenzMaxim 13:6a6225690c2e 470 reinterpret_cast<_u8 *>(&enableOption), sizeof(enableOption));
IanBenzMaxim 13:6a6225690c2e 471
IanBenzMaxim 13:6a6225690c2e 472 if (result < 0)
IanBenzMaxim 13:6a6225690c2e 473 socket_close(*handle);
IanBenzMaxim 13:6a6225690c2e 474 }
IanBenzMaxim 13:6a6225690c2e 475 return result;
IanBenzMaxim 0:33d4e66780c0 476 }
IanBenzMaxim 0:33d4e66780c0 477
IanBenzMaxim 13:6a6225690c2e 478 int CC3100::socket_set_cert_path(nsapi_socket_t handle, const char * certPath) {
IanBenzMaxim 13:6a6225690c2e 479 // Set CA certificate.
IanBenzMaxim 13:6a6225690c2e 480 return sl_SetSockOpt(*static_cast<int16_t *>(handle), SL_SOL_SOCKET,
IanBenzMaxim 13:6a6225690c2e 481 SL_SO_SECURE_FILES_CA_FILE_NAME, certPath,
IanBenzMaxim 13:6a6225690c2e 482 strlen(certPath));
IanBenzMaxim 0:33d4e66780c0 483 }
IanBenzMaxim 0:33d4e66780c0 484
IanBenzMaxim 13:6a6225690c2e 485 int CC3100::socket_close(nsapi_socket_t handle) {
IanBenzMaxim 13:6a6225690c2e 486 int16_t * castedHandle = static_cast<int16_t *>(handle);
IanBenzMaxim 13:6a6225690c2e 487 int result = sl_Close(*castedHandle);
IanBenzMaxim 13:6a6225690c2e 488 delete castedHandle;
IanBenzMaxim 13:6a6225690c2e 489 return result;
IanBenzMaxim 0:33d4e66780c0 490 }
IanBenzMaxim 0:33d4e66780c0 491
IanBenzMaxim 13:6a6225690c2e 492 int CC3100::socket_bind(nsapi_socket_t handle, const SocketAddress & address) {
IanBenzMaxim 13:6a6225690c2e 493 // TODO: Add IPv6 support
IanBenzMaxim 13:6a6225690c2e 494 if (address.get_addr().version != NSAPI_IPv4)
IanBenzMaxim 13:6a6225690c2e 495 return SL_SOC_ERROR;
IanBenzMaxim 13:6a6225690c2e 496
IanBenzMaxim 13:6a6225690c2e 497 SlSockAddrIn_t localAddr = {AF_INET, // sin_family
IanBenzMaxim 13:6a6225690c2e 498 sl_Htons(address.get_port()), // sin_port
IanBenzMaxim 13:6a6225690c2e 499 { // sin_addr
IanBenzMaxim 13:6a6225690c2e 500 0 // s_addr
IanBenzMaxim 13:6a6225690c2e 501 }};
IanBenzMaxim 13:6a6225690c2e 502 for (int i = 4; i > 0; i--) {
IanBenzMaxim 13:6a6225690c2e 503 localAddr.sin_addr.s_addr <<= 8;
IanBenzMaxim 13:6a6225690c2e 504 localAddr.sin_addr.s_addr |= address.get_addr().bytes[i - 1];
IanBenzMaxim 13:6a6225690c2e 505 }
IanBenzMaxim 13:6a6225690c2e 506 return sl_Bind(*static_cast<int16_t *>(handle),
IanBenzMaxim 13:6a6225690c2e 507 reinterpret_cast<SlSockAddr_t *>(&localAddr),
IanBenzMaxim 13:6a6225690c2e 508 sizeof(localAddr));
IanBenzMaxim 0:33d4e66780c0 509 }
IanBenzMaxim 0:33d4e66780c0 510
IanBenzMaxim 13:6a6225690c2e 511 int CC3100::socket_listen(nsapi_socket_t handle, int backlog) {
IanBenzMaxim 13:6a6225690c2e 512 return sl_Listen(*static_cast<int16_t *>(handle), backlog);
IanBenzMaxim 0:33d4e66780c0 513 }
IanBenzMaxim 0:33d4e66780c0 514
IanBenzMaxim 13:6a6225690c2e 515 int CC3100::socket_connect(nsapi_socket_t handle,
IanBenzMaxim 13:6a6225690c2e 516 const SocketAddress & address) {
IanBenzMaxim 13:6a6225690c2e 517 // TODO: Add IPv6 support
IanBenzMaxim 13:6a6225690c2e 518 if (address.get_addr().version != NSAPI_IPv4)
IanBenzMaxim 13:6a6225690c2e 519 return SL_SOC_ERROR;
IanBenzMaxim 13:6a6225690c2e 520
IanBenzMaxim 13:6a6225690c2e 521 SlSockAddrIn_t addr = {AF_INET, // sin_family
IanBenzMaxim 13:6a6225690c2e 522 sl_Htons(address.get_port()), // sin_port
IanBenzMaxim 13:6a6225690c2e 523 { // sin_addr
IanBenzMaxim 13:6a6225690c2e 524 0 // s_addr
IanBenzMaxim 13:6a6225690c2e 525 }};
IanBenzMaxim 13:6a6225690c2e 526 for (int i = 4; i > 0; i--) {
IanBenzMaxim 13:6a6225690c2e 527 addr.sin_addr.s_addr <<= 8;
IanBenzMaxim 13:6a6225690c2e 528 addr.sin_addr.s_addr |= address.get_addr().bytes[i - 1];
IanBenzMaxim 13:6a6225690c2e 529 }
IanBenzMaxim 13:6a6225690c2e 530 int result;
IanBenzMaxim 13:6a6225690c2e 531 int attempts = 1000;
IanBenzMaxim 13:6a6225690c2e 532 do {
IanBenzMaxim 13:6a6225690c2e 533 wait_ms(10);
IanBenzMaxim 13:6a6225690c2e 534 result = sl_Connect(*static_cast<int16_t *>(handle),
IanBenzMaxim 13:6a6225690c2e 535 reinterpret_cast<SlSockAddr_t *>(&addr), sizeof(addr));
IanBenzMaxim 13:6a6225690c2e 536 } while ((result == SL_EALREADY) && (--attempts > 0));
IanBenzMaxim 13:6a6225690c2e 537 if (result > 0)
IanBenzMaxim 13:6a6225690c2e 538 result = 0;
IanBenzMaxim 13:6a6225690c2e 539 return result;
IanBenzMaxim 0:33d4e66780c0 540 }
IanBenzMaxim 0:33d4e66780c0 541
IanBenzMaxim 13:6a6225690c2e 542 int CC3100::socket_send(nsapi_socket_t handle, const void * data,
IanBenzMaxim 13:6a6225690c2e 543 unsigned size) {
IanBenzMaxim 13:6a6225690c2e 544 return sl_Send(*static_cast<int16_t *>(handle), data, size, 0);
IanBenzMaxim 0:33d4e66780c0 545 }
IanBenzMaxim 0:33d4e66780c0 546
IanBenzMaxim 13:6a6225690c2e 547 int CC3100::socket_recv(nsapi_socket_t handle, void * data, unsigned size) {
IanBenzMaxim 13:6a6225690c2e 548 int result = sl_Recv(*static_cast<int16_t *>(handle), data, size, 0);
IanBenzMaxim 13:6a6225690c2e 549 if (result == SL_EAGAIN)
IanBenzMaxim 13:6a6225690c2e 550 result = NSAPI_ERROR_WOULD_BLOCK;
IanBenzMaxim 13:6a6225690c2e 551 return result;
IanBenzMaxim 0:33d4e66780c0 552 }