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:
Thu Oct 03 11:40:13 2019 -0500
Revision:
16:a004191a79ab
Parent:
CC3100.cpp@13:6a6225690c2e
Child:
17:5926077e5345
Updated MaximInterface to version 2.0. Updated mbed-os to version 5.5.7. Cleaned up code styling.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
IanBenzMaxim 0:33d4e66780c0 1 /*******************************************************************************
IanBenzMaxim 16:a004191a79ab 2 * Copyright (C) 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 16:a004191a79ab 36 #include <mbed-os/platform/mbed_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 16:a004191a79ab 73 if (!pWlanEvent) {
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 16:a004191a79ab 127 if (!pNetAppEvent) {
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 16:a004191a79ab 153 if (!pSock) {
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 16:a004191a79ab 202 if (!pPingReport) {
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 16:a004191a79ab 220 for (size_t i = 0; i < dataSize; ++i) {
IanBenzMaxim 16:a004191a79ab 221 if (rxData) {
IanBenzMaxim 16:a004191a79ab 222 rxData[i] = spi.write(txData[i]);
IanBenzMaxim 16:a004191a79ab 223 } else {
IanBenzMaxim 13:6a6225690c2e 224 spi.write(txData[i]);
IanBenzMaxim 16:a004191a79ab 225 }
IanBenzMaxim 13:6a6225690c2e 226 }
IanBenzMaxim 13:6a6225690c2e 227 wait_ms(cs_delay_ms);
IanBenzMaxim 13:6a6225690c2e 228 cs = 1;
IanBenzMaxim 0:33d4e66780c0 229 }
IanBenzMaxim 0:33d4e66780c0 230
IanBenzMaxim 13:6a6225690c2e 231 CC3100::CC3100()
IanBenzMaxim 13:6a6225690c2e 232 : spi(HOST_SPI_MOSI_PIN, HOST_SPI_MISO_PIN, HOST_SPI_CLK_PIN,
IanBenzMaxim 13:6a6225690c2e 233 HOST_SPI_nCS_PIN) {}
IanBenzMaxim 0:33d4e66780c0 234
IanBenzMaxim 13:6a6225690c2e 235 CC3100 & CC3100::instance() {
IanBenzMaxim 13:6a6225690c2e 236 static CC3100 instance;
IanBenzMaxim 13:6a6225690c2e 237 return instance;
IanBenzMaxim 0:33d4e66780c0 238 }
IanBenzMaxim 0:33d4e66780c0 239
IanBenzMaxim 13:6a6225690c2e 240 int CC3100::start() {
IanBenzMaxim 13:6a6225690c2e 241 // Adapter should be stopped.
IanBenzMaxim 16:a004191a79ab 242 if (currentState != Stopped) {
IanBenzMaxim 13:6a6225690c2e 243 return invalidState;
IanBenzMaxim 16:a004191a79ab 244 }
IanBenzMaxim 0:33d4e66780c0 245
IanBenzMaxim 16:a004191a79ab 246 const int result = sl_Start(&spi, NULL, NULL);
IanBenzMaxim 16:a004191a79ab 247 if (result >= 0) {
IanBenzMaxim 13:6a6225690c2e 248 currentState = Disconnected;
IanBenzMaxim 16:a004191a79ab 249 }
IanBenzMaxim 13:6a6225690c2e 250 return result;
IanBenzMaxim 0:33d4e66780c0 251 }
IanBenzMaxim 0:33d4e66780c0 252
IanBenzMaxim 13:6a6225690c2e 253 CC3100::State CC3100::state() const { return currentState; }
IanBenzMaxim 13:6a6225690c2e 254
IanBenzMaxim 13:6a6225690c2e 255 int CC3100::stop() {
IanBenzMaxim 13:6a6225690c2e 256 // Adapter should not be stopped.
IanBenzMaxim 16:a004191a79ab 257 if (currentState == Stopped) {
IanBenzMaxim 13:6a6225690c2e 258 return invalidState;
IanBenzMaxim 16:a004191a79ab 259 }
IanBenzMaxim 13:6a6225690c2e 260
IanBenzMaxim 16:a004191a79ab 261 const int result = sl_Stop(0xFF);
IanBenzMaxim 16:a004191a79ab 262 if (result >= 0) {
IanBenzMaxim 13:6a6225690c2e 263 currentState = Stopped;
IanBenzMaxim 16:a004191a79ab 264 }
IanBenzMaxim 13:6a6225690c2e 265 return result;
IanBenzMaxim 0:33d4e66780c0 266 }
IanBenzMaxim 0:33d4e66780c0 267
IanBenzMaxim 13:6a6225690c2e 268 void CC3100::update() { sl_Task(); }
IanBenzMaxim 0:33d4e66780c0 269
IanBenzMaxim 13:6a6225690c2e 270 int CC3100::setDateTime(const std::tm & dateTime) {
IanBenzMaxim 16:a004191a79ab 271 const SlDateTime_t slDateTime = {
IanBenzMaxim 13:6a6225690c2e 272 static_cast<_u32>(dateTime.tm_sec), // sl_tm_sec
IanBenzMaxim 13:6a6225690c2e 273 static_cast<_u32>(dateTime.tm_min), // sl_tm_min
IanBenzMaxim 13:6a6225690c2e 274 static_cast<_u32>(dateTime.tm_hour), // sl_tm_hour
IanBenzMaxim 13:6a6225690c2e 275 static_cast<_u32>(dateTime.tm_mday), // sl_tm_day
IanBenzMaxim 13:6a6225690c2e 276 static_cast<_u32>(dateTime.tm_mon), // sl_tm_mon
IanBenzMaxim 13:6a6225690c2e 277 static_cast<_u32>(dateTime.tm_year) // sl_tm_year
IanBenzMaxim 13:6a6225690c2e 278 };
IanBenzMaxim 13:6a6225690c2e 279 return sl_DevSet(SL_DEVICE_GENERAL_CONFIGURATION,
IanBenzMaxim 13:6a6225690c2e 280 SL_DEVICE_GENERAL_CONFIGURATION_DATE_TIME,
IanBenzMaxim 13:6a6225690c2e 281 sizeof(SlDateTime_t),
IanBenzMaxim 13:6a6225690c2e 282 reinterpret_cast<const _u8 *>(&slDateTime));
IanBenzMaxim 0:33d4e66780c0 283 }
IanBenzMaxim 0:33d4e66780c0 284
IanBenzMaxim 13:6a6225690c2e 285 int CC3100::set_credentials(const char * ssid, const char * pass,
IanBenzMaxim 13:6a6225690c2e 286 nsapi_security_t security) {
IanBenzMaxim 13:6a6225690c2e 287 this->ssid.assign(ssid);
IanBenzMaxim 13:6a6225690c2e 288 this->pass.assign(pass);
IanBenzMaxim 13:6a6225690c2e 289 this->security = security;
IanBenzMaxim 13:6a6225690c2e 290 return 0;
IanBenzMaxim 0:33d4e66780c0 291 }
IanBenzMaxim 0:33d4e66780c0 292
IanBenzMaxim 13:6a6225690c2e 293 int CC3100::connect(const char * ssid, const char * pass,
IanBenzMaxim 13:6a6225690c2e 294 nsapi_security_t security, uint8_t channel) {
IanBenzMaxim 13:6a6225690c2e 295 // Adapter should be disconnected.
IanBenzMaxim 16:a004191a79ab 296 if (currentState != Disconnected) {
IanBenzMaxim 13:6a6225690c2e 297 return invalidState;
IanBenzMaxim 16:a004191a79ab 298 }
IanBenzMaxim 13:6a6225690c2e 299
IanBenzMaxim 13:6a6225690c2e 300 SlSecParams_t secParams = {
IanBenzMaxim 13:6a6225690c2e 301 SL_SEC_TYPE_OPEN, // Type
IanBenzMaxim 13:6a6225690c2e 302 const_cast<_i8 *>(reinterpret_cast<const _i8 *>(pass)), // Key
IanBenzMaxim 13:6a6225690c2e 303 static_cast<_u8>(strlen(pass)), // KeyLen
IanBenzMaxim 13:6a6225690c2e 304 };
IanBenzMaxim 13:6a6225690c2e 305 switch (security) {
IanBenzMaxim 13:6a6225690c2e 306 case NSAPI_SECURITY_WPA2:
IanBenzMaxim 13:6a6225690c2e 307 case NSAPI_SECURITY_WPA:
IanBenzMaxim 13:6a6225690c2e 308 case NSAPI_SECURITY_WPA_WPA2:
IanBenzMaxim 13:6a6225690c2e 309 secParams.Type = SL_SEC_TYPE_WPA_WPA2;
IanBenzMaxim 13:6a6225690c2e 310 break;
IanBenzMaxim 13:6a6225690c2e 311
IanBenzMaxim 13:6a6225690c2e 312 case NSAPI_SECURITY_WEP:
IanBenzMaxim 13:6a6225690c2e 313 secParams.Type = SL_SEC_TYPE_WEP;
IanBenzMaxim 13:6a6225690c2e 314 break;
IanBenzMaxim 13:6a6225690c2e 315
IanBenzMaxim 13:6a6225690c2e 316 case NSAPI_SECURITY_NONE:
IanBenzMaxim 13:6a6225690c2e 317 case NSAPI_SECURITY_UNKNOWN:
IanBenzMaxim 13:6a6225690c2e 318 secParams.Type = SL_SEC_TYPE_OPEN;
IanBenzMaxim 13:6a6225690c2e 319 break;
IanBenzMaxim 16:a004191a79ab 320
IanBenzMaxim 16:a004191a79ab 321 default:
IanBenzMaxim 16:a004191a79ab 322 return invalidState;
IanBenzMaxim 13:6a6225690c2e 323 }
IanBenzMaxim 13:6a6225690c2e 324 int result = sl_WlanConnect(reinterpret_cast<const _i8 *>(ssid), strlen(ssid),
IanBenzMaxim 13:6a6225690c2e 325 NULL, &secParams, NULL);
IanBenzMaxim 13:6a6225690c2e 326 if (result == SL_RET_CODE_OK) {
IanBenzMaxim 13:6a6225690c2e 327 // Wait for completion.
IanBenzMaxim 13:6a6225690c2e 328 int attempts = 1000;
IanBenzMaxim 13:6a6225690c2e 329 do {
IanBenzMaxim 13:6a6225690c2e 330 wait_ms(10);
IanBenzMaxim 13:6a6225690c2e 331 update();
IanBenzMaxim 13:6a6225690c2e 332 } while ((currentState != Connected) && (--attempts > 0));
IanBenzMaxim 16:a004191a79ab 333 if (attempts == 0) {
IanBenzMaxim 13:6a6225690c2e 334 result = SL_RET_CODE_ABORT;
IanBenzMaxim 16:a004191a79ab 335 }
IanBenzMaxim 13:6a6225690c2e 336 }
IanBenzMaxim 13:6a6225690c2e 337 return result;
IanBenzMaxim 0:33d4e66780c0 338 }
IanBenzMaxim 0:33d4e66780c0 339
IanBenzMaxim 13:6a6225690c2e 340 int CC3100::connect(const char * ssid, const char * username,
IanBenzMaxim 13:6a6225690c2e 341 const char * password) {
IanBenzMaxim 13:6a6225690c2e 342 // Adapter should be disconnected.
IanBenzMaxim 16:a004191a79ab 343 if (currentState != Disconnected) {
IanBenzMaxim 13:6a6225690c2e 344 return invalidState;
IanBenzMaxim 16:a004191a79ab 345 }
IanBenzMaxim 13:6a6225690c2e 346
IanBenzMaxim 13:6a6225690c2e 347 uint8_t values = 0;
IanBenzMaxim 13:6a6225690c2e 348 sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID, 19, 1, &values);
IanBenzMaxim 13:6a6225690c2e 349
IanBenzMaxim 13:6a6225690c2e 350 SlSecParams_t secParams = {
IanBenzMaxim 13:6a6225690c2e 351 SL_SEC_TYPE_WPA_ENT, // Type
IanBenzMaxim 13:6a6225690c2e 352 const_cast<_i8 *>(reinterpret_cast<const _i8 *>(password)), // Key
IanBenzMaxim 13:6a6225690c2e 353 static_cast<_u8>(strlen(password)) // KeyLen
IanBenzMaxim 13:6a6225690c2e 354 };
IanBenzMaxim 13:6a6225690c2e 355 SlSecParamsExt_t secParamsExt = {
IanBenzMaxim 13:6a6225690c2e 356 const_cast<_i8 *>(reinterpret_cast<const _i8 *>(username)), // User
IanBenzMaxim 13:6a6225690c2e 357 static_cast<_u8>(strlen(username)), // UserLen
IanBenzMaxim 13:6a6225690c2e 358 NULL, // AnonUser
IanBenzMaxim 13:6a6225690c2e 359 0, // AnonUserLen
IanBenzMaxim 13:6a6225690c2e 360 0, // CertIndex
IanBenzMaxim 13:6a6225690c2e 361 SL_ENT_EAP_METHOD_PEAP0_MSCHAPv2 // EapMethod
IanBenzMaxim 13:6a6225690c2e 362 };
IanBenzMaxim 13:6a6225690c2e 363 int result = sl_WlanConnect(reinterpret_cast<const _i8 *>(ssid), strlen(ssid),
IanBenzMaxim 13:6a6225690c2e 364 NULL, &secParams, &secParamsExt);
IanBenzMaxim 13:6a6225690c2e 365 if (result == SL_RET_CODE_OK) {
IanBenzMaxim 13:6a6225690c2e 366 // Wait for completion.
IanBenzMaxim 13:6a6225690c2e 367 int attempts = 1000;
IanBenzMaxim 13:6a6225690c2e 368 do {
IanBenzMaxim 13:6a6225690c2e 369 wait_ms(10);
IanBenzMaxim 13:6a6225690c2e 370 update();
IanBenzMaxim 13:6a6225690c2e 371 } while ((currentState != Connected) && (--attempts > 0));
IanBenzMaxim 16:a004191a79ab 372 if (attempts == 0) {
IanBenzMaxim 13:6a6225690c2e 373 result = SL_RET_CODE_ABORT;
IanBenzMaxim 16:a004191a79ab 374 }
IanBenzMaxim 13:6a6225690c2e 375 }
IanBenzMaxim 13:6a6225690c2e 376 return result;
IanBenzMaxim 0:33d4e66780c0 377 }
IanBenzMaxim 0:33d4e66780c0 378
IanBenzMaxim 13:6a6225690c2e 379 int CC3100::disconnect() {
IanBenzMaxim 13:6a6225690c2e 380 // Adapter should be connected.
IanBenzMaxim 16:a004191a79ab 381 if (currentState != Connected) {
IanBenzMaxim 13:6a6225690c2e 382 return invalidState;
IanBenzMaxim 16:a004191a79ab 383 }
IanBenzMaxim 13:6a6225690c2e 384
IanBenzMaxim 13:6a6225690c2e 385 return sl_WlanDisconnect();
IanBenzMaxim 0:33d4e66780c0 386 }
IanBenzMaxim 0:33d4e66780c0 387
IanBenzMaxim 13:6a6225690c2e 388 int CC3100::gethostbyname(const char * host, SocketAddress * address,
IanBenzMaxim 13:6a6225690c2e 389 nsapi_version_t version) {
IanBenzMaxim 13:6a6225690c2e 390 // TODO: Add IPv6 support
IanBenzMaxim 13:6a6225690c2e 391
IanBenzMaxim 13:6a6225690c2e 392 // Adapter should be connected.
IanBenzMaxim 16:a004191a79ab 393 if (currentState != Connected) {
IanBenzMaxim 13:6a6225690c2e 394 return invalidState;
IanBenzMaxim 16:a004191a79ab 395 }
IanBenzMaxim 13:6a6225690c2e 396
IanBenzMaxim 13:6a6225690c2e 397 uint32_t addressInt;
IanBenzMaxim 13:6a6225690c2e 398 int result;
IanBenzMaxim 13:6a6225690c2e 399 int attempts = 1000;
IanBenzMaxim 16:a004191a79ab 400 // Wait for DNS servers.
IanBenzMaxim 16:a004191a79ab 401 do {
IanBenzMaxim 13:6a6225690c2e 402 wait_ms(10);
IanBenzMaxim 13:6a6225690c2e 403 result = sl_NetAppDnsGetHostByName(
IanBenzMaxim 13:6a6225690c2e 404 const_cast<_i8 *>(reinterpret_cast<const _i8 *>(host)), strlen(host),
IanBenzMaxim 13:6a6225690c2e 405 reinterpret_cast<_u32 *>(&addressInt), SL_AF_INET);
IanBenzMaxim 13:6a6225690c2e 406 } while ((result == SL_NET_APP_DNS_NO_SERVER) && (--attempts > 0));
IanBenzMaxim 13:6a6225690c2e 407 if (result == SL_RET_CODE_OK) {
IanBenzMaxim 13:6a6225690c2e 408 nsapi_addr_t addressBytes = {
IanBenzMaxim 13:6a6225690c2e 409 NSAPI_IPv4, // version
IanBenzMaxim 13:6a6225690c2e 410 0, // bytes
IanBenzMaxim 13:6a6225690c2e 411 };
IanBenzMaxim 16:a004191a79ab 412 for (int i = 4; i > 0; --i) {
IanBenzMaxim 13:6a6225690c2e 413 addressBytes.bytes[i - 1] = addressInt;
IanBenzMaxim 13:6a6225690c2e 414 addressInt >>= 8;
IanBenzMaxim 0:33d4e66780c0 415 }
IanBenzMaxim 13:6a6225690c2e 416 address->set_addr(addressBytes);
IanBenzMaxim 13:6a6225690c2e 417 }
IanBenzMaxim 13:6a6225690c2e 418 return result;
IanBenzMaxim 0:33d4e66780c0 419 }
IanBenzMaxim 0:33d4e66780c0 420
IanBenzMaxim 13:6a6225690c2e 421 int CC3100::ping(const SocketAddress & address) {
IanBenzMaxim 13:6a6225690c2e 422 // Adapter should be connected.
IanBenzMaxim 16:a004191a79ab 423 if (currentState != Connected) {
IanBenzMaxim 13:6a6225690c2e 424 return invalidState;
IanBenzMaxim 16:a004191a79ab 425 }
IanBenzMaxim 13:6a6225690c2e 426
IanBenzMaxim 13:6a6225690c2e 427 SlPingStartCommand_t pingParams = {
IanBenzMaxim 13:6a6225690c2e 428 1000, // PingIntervalTime
IanBenzMaxim 13:6a6225690c2e 429 20, // PingSize
IanBenzMaxim 13:6a6225690c2e 430 3000, // PingRequestTimeout
IanBenzMaxim 13:6a6225690c2e 431 3, // TotalNumberOfAttempts
IanBenzMaxim 13:6a6225690c2e 432 0, // Flags
IanBenzMaxim 13:6a6225690c2e 433 0 // Ip
IanBenzMaxim 13:6a6225690c2e 434 };
IanBenzMaxim 16:a004191a79ab 435 for (int i = 0; i < 4; ++i) {
IanBenzMaxim 13:6a6225690c2e 436 pingParams.Ip <<= 8;
IanBenzMaxim 13:6a6225690c2e 437 pingParams.Ip |= address.get_addr().bytes[i];
IanBenzMaxim 13:6a6225690c2e 438 }
IanBenzMaxim 13:6a6225690c2e 439 SlPingReport_t pingReport;
IanBenzMaxim 13:6a6225690c2e 440 int result = sl_NetAppPingStart(
IanBenzMaxim 13:6a6225690c2e 441 (SlPingStartCommand_t *)&pingParams, SL_AF_INET,
IanBenzMaxim 13:6a6225690c2e 442 static_cast<SlPingReport_t *>(&pingReport), SimpleLinkPingReport);
IanBenzMaxim 13:6a6225690c2e 443 if (result == SL_RET_CODE_OK) {
IanBenzMaxim 13:6a6225690c2e 444 // Wait for completion.
IanBenzMaxim 13:6a6225690c2e 445 currentState = Pinging;
IanBenzMaxim 13:6a6225690c2e 446 int attempts = 1000;
IanBenzMaxim 13:6a6225690c2e 447 do {
IanBenzMaxim 13:6a6225690c2e 448 wait_ms(10);
IanBenzMaxim 13:6a6225690c2e 449 update();
IanBenzMaxim 13:6a6225690c2e 450 } while ((currentState == Pinging) && (--attempts > 0));
IanBenzMaxim 16:a004191a79ab 451 if (attempts == 0) {
IanBenzMaxim 13:6a6225690c2e 452 result = SL_RET_CODE_ABORT;
IanBenzMaxim 16:a004191a79ab 453 }
IanBenzMaxim 13:6a6225690c2e 454 }
IanBenzMaxim 13:6a6225690c2e 455 return result;
IanBenzMaxim 0:33d4e66780c0 456 }
IanBenzMaxim 0:33d4e66780c0 457
IanBenzMaxim 13:6a6225690c2e 458 int CC3100::socket_open(nsapi_socket_t * handle, nsapi_protocol_t proto) {
IanBenzMaxim 13:6a6225690c2e 459 int16_t result;
IanBenzMaxim 13:6a6225690c2e 460 switch (proto) {
IanBenzMaxim 13:6a6225690c2e 461 case NSAPI_TCP:
IanBenzMaxim 13:6a6225690c2e 462 result = sl_Socket(SL_AF_INET, SL_SOCK_STREAM, 0);
IanBenzMaxim 13:6a6225690c2e 463 break;
IanBenzMaxim 13:6a6225690c2e 464
IanBenzMaxim 13:6a6225690c2e 465 case NSAPI_UDP:
IanBenzMaxim 13:6a6225690c2e 466 result = sl_Socket(SL_AF_INET, SL_SOCK_DGRAM, 0);
IanBenzMaxim 13:6a6225690c2e 467 break;
IanBenzMaxim 13:6a6225690c2e 468
IanBenzMaxim 13:6a6225690c2e 469 /*case SL_SEC_SOCKET:
IanBenzMaxim 13:6a6225690c2e 470 result = sl_Socket(SL_AF_INET, SL_SOCK_STREAM, SL_SEC_SOCKET);
IanBenzMaxim 13:6a6225690c2e 471 break;*/
IanBenzMaxim 13:6a6225690c2e 472
IanBenzMaxim 13:6a6225690c2e 473 default:
IanBenzMaxim 13:6a6225690c2e 474 result = SL_SOC_ERROR;
IanBenzMaxim 13:6a6225690c2e 475 break;
IanBenzMaxim 13:6a6225690c2e 476 }
IanBenzMaxim 13:6a6225690c2e 477 if (result >= 0) {
IanBenzMaxim 13:6a6225690c2e 478 *handle = new int16_t(result);
IanBenzMaxim 13:6a6225690c2e 479
IanBenzMaxim 13:6a6225690c2e 480 // Set non-blocking.
IanBenzMaxim 13:6a6225690c2e 481 SlSockNonblocking_t enableOption = {
IanBenzMaxim 13:6a6225690c2e 482 1 // NonblockingEnabled
IanBenzMaxim 13:6a6225690c2e 483 };
IanBenzMaxim 13:6a6225690c2e 484 result = sl_SetSockOpt(
IanBenzMaxim 13:6a6225690c2e 485 *static_cast<int16_t *>(*handle), SL_SOL_SOCKET, SL_SO_NONBLOCKING,
IanBenzMaxim 13:6a6225690c2e 486 reinterpret_cast<_u8 *>(&enableOption), sizeof(enableOption));
IanBenzMaxim 13:6a6225690c2e 487
IanBenzMaxim 16:a004191a79ab 488 if (result < 0) {
IanBenzMaxim 13:6a6225690c2e 489 socket_close(*handle);
IanBenzMaxim 16:a004191a79ab 490 }
IanBenzMaxim 13:6a6225690c2e 491 }
IanBenzMaxim 13:6a6225690c2e 492 return result;
IanBenzMaxim 0:33d4e66780c0 493 }
IanBenzMaxim 0:33d4e66780c0 494
IanBenzMaxim 13:6a6225690c2e 495 int CC3100::socket_set_cert_path(nsapi_socket_t handle, const char * certPath) {
IanBenzMaxim 13:6a6225690c2e 496 // Set CA certificate.
IanBenzMaxim 13:6a6225690c2e 497 return sl_SetSockOpt(*static_cast<int16_t *>(handle), SL_SOL_SOCKET,
IanBenzMaxim 13:6a6225690c2e 498 SL_SO_SECURE_FILES_CA_FILE_NAME, certPath,
IanBenzMaxim 13:6a6225690c2e 499 strlen(certPath));
IanBenzMaxim 0:33d4e66780c0 500 }
IanBenzMaxim 0:33d4e66780c0 501
IanBenzMaxim 13:6a6225690c2e 502 int CC3100::socket_close(nsapi_socket_t handle) {
IanBenzMaxim 13:6a6225690c2e 503 int16_t * castedHandle = static_cast<int16_t *>(handle);
IanBenzMaxim 16:a004191a79ab 504 const int result = sl_Close(*castedHandle);
IanBenzMaxim 13:6a6225690c2e 505 delete castedHandle;
IanBenzMaxim 13:6a6225690c2e 506 return result;
IanBenzMaxim 0:33d4e66780c0 507 }
IanBenzMaxim 0:33d4e66780c0 508
IanBenzMaxim 13:6a6225690c2e 509 int CC3100::socket_bind(nsapi_socket_t handle, const SocketAddress & address) {
IanBenzMaxim 13:6a6225690c2e 510 // TODO: Add IPv6 support
IanBenzMaxim 16:a004191a79ab 511 if (address.get_addr().version != NSAPI_IPv4) {
IanBenzMaxim 13:6a6225690c2e 512 return SL_SOC_ERROR;
IanBenzMaxim 16:a004191a79ab 513 }
IanBenzMaxim 13:6a6225690c2e 514
IanBenzMaxim 13:6a6225690c2e 515 SlSockAddrIn_t localAddr = {AF_INET, // sin_family
IanBenzMaxim 13:6a6225690c2e 516 sl_Htons(address.get_port()), // sin_port
IanBenzMaxim 13:6a6225690c2e 517 { // sin_addr
IanBenzMaxim 13:6a6225690c2e 518 0 // s_addr
IanBenzMaxim 13:6a6225690c2e 519 }};
IanBenzMaxim 16:a004191a79ab 520 for (int i = 4; i > 0; --i) {
IanBenzMaxim 13:6a6225690c2e 521 localAddr.sin_addr.s_addr <<= 8;
IanBenzMaxim 13:6a6225690c2e 522 localAddr.sin_addr.s_addr |= address.get_addr().bytes[i - 1];
IanBenzMaxim 13:6a6225690c2e 523 }
IanBenzMaxim 13:6a6225690c2e 524 return sl_Bind(*static_cast<int16_t *>(handle),
IanBenzMaxim 13:6a6225690c2e 525 reinterpret_cast<SlSockAddr_t *>(&localAddr),
IanBenzMaxim 13:6a6225690c2e 526 sizeof(localAddr));
IanBenzMaxim 0:33d4e66780c0 527 }
IanBenzMaxim 0:33d4e66780c0 528
IanBenzMaxim 13:6a6225690c2e 529 int CC3100::socket_listen(nsapi_socket_t handle, int backlog) {
IanBenzMaxim 13:6a6225690c2e 530 return sl_Listen(*static_cast<int16_t *>(handle), backlog);
IanBenzMaxim 0:33d4e66780c0 531 }
IanBenzMaxim 0:33d4e66780c0 532
IanBenzMaxim 13:6a6225690c2e 533 int CC3100::socket_connect(nsapi_socket_t handle,
IanBenzMaxim 13:6a6225690c2e 534 const SocketAddress & address) {
IanBenzMaxim 13:6a6225690c2e 535 // TODO: Add IPv6 support
IanBenzMaxim 16:a004191a79ab 536 if (address.get_addr().version != NSAPI_IPv4) {
IanBenzMaxim 13:6a6225690c2e 537 return SL_SOC_ERROR;
IanBenzMaxim 16:a004191a79ab 538 }
IanBenzMaxim 13:6a6225690c2e 539
IanBenzMaxim 13:6a6225690c2e 540 SlSockAddrIn_t addr = {AF_INET, // sin_family
IanBenzMaxim 13:6a6225690c2e 541 sl_Htons(address.get_port()), // sin_port
IanBenzMaxim 13:6a6225690c2e 542 { // sin_addr
IanBenzMaxim 13:6a6225690c2e 543 0 // s_addr
IanBenzMaxim 13:6a6225690c2e 544 }};
IanBenzMaxim 16:a004191a79ab 545 for (int i = 4; i > 0; --i) {
IanBenzMaxim 13:6a6225690c2e 546 addr.sin_addr.s_addr <<= 8;
IanBenzMaxim 13:6a6225690c2e 547 addr.sin_addr.s_addr |= address.get_addr().bytes[i - 1];
IanBenzMaxim 13:6a6225690c2e 548 }
IanBenzMaxim 13:6a6225690c2e 549 int result;
IanBenzMaxim 13:6a6225690c2e 550 int attempts = 1000;
IanBenzMaxim 13:6a6225690c2e 551 do {
IanBenzMaxim 13:6a6225690c2e 552 wait_ms(10);
IanBenzMaxim 13:6a6225690c2e 553 result = sl_Connect(*static_cast<int16_t *>(handle),
IanBenzMaxim 13:6a6225690c2e 554 reinterpret_cast<SlSockAddr_t *>(&addr), sizeof(addr));
IanBenzMaxim 13:6a6225690c2e 555 } while ((result == SL_EALREADY) && (--attempts > 0));
IanBenzMaxim 16:a004191a79ab 556 if (result > 0) {
IanBenzMaxim 13:6a6225690c2e 557 result = 0;
IanBenzMaxim 16:a004191a79ab 558 }
IanBenzMaxim 13:6a6225690c2e 559 return result;
IanBenzMaxim 0:33d4e66780c0 560 }
IanBenzMaxim 0:33d4e66780c0 561
IanBenzMaxim 13:6a6225690c2e 562 int CC3100::socket_send(nsapi_socket_t handle, const void * data,
IanBenzMaxim 13:6a6225690c2e 563 unsigned size) {
IanBenzMaxim 13:6a6225690c2e 564 return sl_Send(*static_cast<int16_t *>(handle), data, size, 0);
IanBenzMaxim 0:33d4e66780c0 565 }
IanBenzMaxim 0:33d4e66780c0 566
IanBenzMaxim 13:6a6225690c2e 567 int CC3100::socket_recv(nsapi_socket_t handle, void * data, unsigned size) {
IanBenzMaxim 13:6a6225690c2e 568 int result = sl_Recv(*static_cast<int16_t *>(handle), data, size, 0);
IanBenzMaxim 16:a004191a79ab 569 if (result == SL_EAGAIN) {
IanBenzMaxim 13:6a6225690c2e 570 result = NSAPI_ERROR_WOULD_BLOCK;
IanBenzMaxim 16:a004191a79ab 571 }
IanBenzMaxim 13:6a6225690c2e 572 return result;
IanBenzMaxim 0:33d4e66780c0 573 }