Diff: cc3000.cpp

Revision:

0:615c697c33b0

Child:

3:ad95e296bfbf

diff -r 000000000000 -r 615c697c33b0 cc3000.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cc3000.cpp	Thu Sep 19 07:55:14 2013 +0000
@@ -0,0 +1,477 @@
+/*****************************************************************************
+*
+*  C++ interface/implementation created by Martin Kojtal (0xc0170). Thanks to
+*  Jim Carver and Frank Vannieuwkerke for their inital cc3000 mbed port and
+*  provided help.
+*
+*  This version of "host driver" uses CC3000 Host Driver Implementation. Thus
+*  read the following copyright:
+*
+*  Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+*
+*  Redistribution and use in source and binary forms, with or without
+*  modification, are permitted provided that the following conditions
+*  are met:
+*
+*    Redistributions of source code must retain the above copyright
+*    notice, this list of conditions and the following disclaimer.
+*
+*    Redistributions in binary form must reproduce the above copyright
+*    notice, this list of conditions and the following disclaimer in the
+*    documentation and/or other materials provided with the
+*    distribution.
+*
+*    Neither the name of Texas Instruments Incorporated nor the names of
+*    its contributors may be used to endorse or promote products derived
+*    from this software without specific prior written permission.
+*
+*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+*  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+*  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+*  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+*  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+*  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+*  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+*  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+*****************************************************************************/
+#include "cc3000.h"
+#include "cc3000_event.h"
+
+namespace mbed_cc3000 {
+
+/* TODO this prefix remove? verify */
+static uint8_t cc3000_prefix[] = {'T', 'T', 'T'};
+cc3000 *cc3000::_inst;
+
+cc3000::cc3000(PinName cc3000_irq, PinName cc3000_en, PinName cc3000_cs, SPI cc3000_spi, IRQn_Type irq_port)
+            :  _event(_simple_link, _hci, _spi, *this), _socket(_simple_link, _hci, _event), _spi(cc3000_irq, cc3000_en, cc3000_cs, cc3000_spi, irq_port, _event, _simple_link), _hci(_spi),
+            _nvmem(_hci, _event, _simple_link), _netapp(_simple_link, _nvmem, _hci, _event), _wlan(_simple_link, _event, _spi, _hci), _buffer(256) {
+    /* TODO - pIRQ riorities ?? */
+
+    _simple_link.set_tx_complete_signal(1);
+    _status.dhcp = 0;
+    _status.connected = 0;
+    _status.socket = 0;
+    _status.dhcp_configured = 0;
+    _status.smart_config_complete = 0;
+    _status.stop_smart_config = 0;
+    _status.ok_to_shut_down = 0;
+
+    _inst = this;
+}
+
+cc3000::~cc3000() {
+
+}
+
+void cc3000::usync_callback(int32_t event_type, uint8_t * data, uint8_t length) {
+    if (event_type == HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE)
+    {
+        _status.smart_config_complete = 1;
+        _status.stop_smart_config = 1;
+    }
+
+    if (event_type == HCI_EVNT_WLAN_UNSOL_CONNECT)
+    {
+        _status.connected = 1;
+    }
+
+    if (event_type == HCI_EVNT_WLAN_UNSOL_DISCONNECT)
+    {
+        _status.connected = 0;
+        _status.dhcp      = 0;
+        _status.dhcp_configured = 0;
+    }
+
+    if (event_type == HCI_EVNT_WLAN_UNSOL_DHCP)
+    {
+      if ( *(data + NETAPP_IPCONFIG_MAC_OFFSET) == 0) {
+          _status.dhcp = 1;
+      } else {
+          _status.dhcp = 0;
+      }
+    }
+
+    if (event_type == HCI_EVENT_CC3000_CAN_SHUT_DOWN)
+    {
+        _status.ok_to_shut_down = 1;
+    }
+
+    if (event_type == HCI_EVNT_WLAN_ASYNC_PING_REPORT)
+    {
+        memcpy(&_ping_report, data, length);
+    }
+
+    if (event_type == HCI_EVNT_BSD_TCP_CLOSE_WAIT) {
+        uint8_t socketnum;
+        socketnum = data[0];
+        if (socketnum < MAX_SOCKETS) {
+            _closed_sockets[socketnum] = true; /* clients socket is closed */
+        }
+    }
+}
+
+void cc3000::start_smart_config(const uint8_t *smart_config_key) {
+    // Reset all the previous configuration
+    _wlan.ioctl_set_connection_policy(0, 0, 0);
+    _wlan.ioctl_del_profile(255);
+
+    //Wait until CC3000 is disconected
+    while (_status.connected == 1)
+    {
+        wait_us(5);
+        _event.hci_unsolicited_event_handler();
+    }
+
+    // Trigger the Smart Config process
+
+    _wlan.smart_config_set_prefix(cc3000_prefix);
+    // Start the Smart Config process with AES disabled
+    _wlan.smart_config_start(0);
+
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Waiting for smartconfig to be completed.\n");
+#endif
+    // Wait for Smart config finished
+    while (_status.smart_config_complete == 0)
+    {
+        wait_ms(100);
+
+    }
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Smartconfig finished.\n");
+#endif
+#ifndef CC3000_UNENCRYPTED_SMART_CONFIG
+    // create new entry for AES encryption key
+    _nvmem.create_entry(NVMEM_AES128_KEY_FILEID, 16);
+    // write AES key to NVMEM
+    _security.aes_write_key((uint8_t *)(&smart_config_key[0]));
+    // Decrypt configuration information and add profile
+    _wlan.smart_config_process();
+#endif
+
+    // Configure to connect automatically to the AP retrieved in the
+    // Smart config process
+    _wlan.ioctl_set_connection_policy(0, 1, 1);
+
+    // reset the CC3000
+    _wlan.stop();
+    wait(2);
+    _wlan.start(0);
+    wait(2);
+
+    // Mask out all non-required events
+    _wlan.set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
+}
+
+bool cc3000::connect_secure(const uint8_t *ssid, const uint8_t *key, int32_t security_mode) {
+    uint32_t ret;
+
+    _wlan.disconnect();
+    wait_ms(3);
+    ret = _wlan.connect(security_mode, ssid, strlen((const char *)ssid), 0, (uint8_t *)key, strlen((const char *)key));
+    if (ret == 0) { /* TODO static internal cc3000 state 0 to TRUE */
+      ret = true;
+    } else {
+      ret = false;
+    }
+    return ret;
+}
+
+bool cc3000::connect_to_AP(const uint8_t *ssid, const uint8_t *key, int32_t security_mode) {
+    Timer t;  /* TODO static? */
+    bool ret = true;
+
+    t.start();
+    while (is_connected() == false) {
+        if (key == 0) {
+            if (connect_open(ssid)) {
+                break;
+            }
+        } else {
+#ifndef CC3000_TINY_DRIVER
+            if (connect_secure(ssid,key,security_mode)) {
+                break;
+            }
+#else
+            return false; /* secure connection not supported with TINY_DRIVER */
+#endif
+        }
+
+        /* timeout 10 seconds */
+        if (t.read_ms() > 10000){
+            ret = false;
+#if (CC3000_DEBUG == 1)
+            printf("Connection to AP failed.\n");
+#endif
+            break;
+        }
+    }
+
+    return ret;
+}
+
+void cc3000::start(uint8_t patch) {
+    _wlan.start(patch);
+    _wlan.set_event_mask(HCI_EVNT_WLAN_UNSOL_INIT | HCI_EVNT_WLAN_KEEPALIVE);
+}
+
+void cc3000::stop(void) {
+    _wlan.stop();
+}
+
+void cc3000::restart(uint8_t patch) {
+    _wlan.stop();
+    wait_ms(500);
+    _wlan.start(patch);
+}
+
+bool cc3000::connect_open(const uint8_t *ssid) {
+    uint32_t ret;
+
+    _wlan.disconnect();
+    wait_ms(3);
+#ifndef CC3000_TINY_DRIVER
+    ret = _wlan.connect(0,ssid, strlen((const char *)ssid), 0, 0, 0);
+#else
+    ret = _wlan.connect(ssid, strlen((const char *)ssid));
+#endif
+    if (ret == 0) {
+        ret = true;
+    } else {
+        ret = false;
+    }
+    return ret;
+}
+
+bool cc3000::is_connected() {
+    return _status.connected;
+}
+
+bool cc3000::is_dhcp_configured() {
+    return _status.dhcp;
+}
+
+bool cc3000::is_smart_confing_completed() {
+    return _status.smart_config_complete;
+}
+
+void cc3000::get_mac_address(uint8_t address[6]) {
+    _nvmem.get_mac_address(address);
+}
+
+void cc3000::set_mac_address(uint8_t address[6]) {
+    _nvmem.set_mac_address(address);
+}
+
+void cc3000::get_user_file_info(uint8_t *info_file, size_t size) {
+    _nvmem.read( NVMEM_USER_FILE_1_FILEID, size, 0, info_file);
+}
+
+#ifndef CC3000_TINY_DRIVER
+bool cc3000::get_ip_config(tNetappIpconfigRetArgs *ip_config) {
+    if ((_status.dhcp == false) || (_status.connected == false)) {
+        return false;
+    }
+
+    _netapp.ipconfig(ip_config);
+    return true;
+}
+#endif
+
+cc3000_client cc3000::create_tcp_client(uint32_t ip_address, uint16_t port) {
+    sockaddr socket_address = {0};
+    int32_t tcp_socket;
+
+    tcp_socket = _socket.socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+    if (tcp_socket == -1) {
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Failed to create new socket (tcp).\n");
+#endif
+        return cc3000_client(*this);
+    }
+
+    socket_address.family = AF_INET;
+    socket_address.data[0] = (port & 0xFF00) >> 8;
+    socket_address.data[1] = (port & 0x00FF);
+    socket_address.data[2] = ip_address >> 24;
+    socket_address.data[3] = ip_address >> 16;
+    socket_address.data[4] = ip_address >> 8;
+    socket_address.data[5] = ip_address;
+
+    if (_socket.connect(tcp_socket, &socket_address, sizeof(socket_address)) == -1) {
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Failed to connect (tcp).\n");
+#endif
+        _socket.closesocket(tcp_socket);
+        return cc3000_client(*this);
+    }
+
+    return cc3000_client(*this, tcp_socket);
+}
+cc3000_client cc3000::create_udp_client(uint32_t ip_address, uint16_t port) {
+    sockaddr socket_address = {0};
+    int32_t udp_socket;
+
+    udp_socket = _socket.socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+    if (udp_socket == -1) {
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Failed to create new socket (udp).\n");
+#endif
+        return cc3000_client(*this);
+    }
+
+    socket_address.family = AF_INET;
+    socket_address.data[0] = (port & 0xFF00) >> 8;
+    socket_address.data[1] = (port & 0x00FF);
+    socket_address.data[2] = ip_address >> 24;
+    socket_address.data[3] = ip_address >> 16;
+    socket_address.data[4] = ip_address >> 8;
+    socket_address.data[5] = ip_address;
+
+    if (_socket.connect(udp_socket, &socket_address, sizeof(socket_address)) == -1) {
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Failed to connect (udp).\n");
+#endif
+        _socket.closesocket(udp_socket);
+        return cc3000_client(*this);
+    }
+
+    return cc3000_client(*this, udp_socket);
+}
+
+cc3000_server cc3000::create_tcp_server(uint32_t ip_address, uint16_t port) {
+    sockaddr socket_address = {0};
+    int32_t tcp_socket;
+
+    tcp_socket = _socket.socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+    if (tcp_socket == -1) {
+#if (CC3000_DEBUG == 1)
+        printf("Failed to create new socket.\n");
+#endif
+        return cc3000_server(*this, socket_address);
+    }
+
+    socket_address.family = AF_INET;
+    socket_address.data[0] = (port & 0xFF00) >> 8;
+    socket_address.data[1] = (port & 0x00FF);
+    socket_address.data[2] = ip_address >> 24;
+    socket_address.data[3] = ip_address >> 16;
+    socket_address.data[4] = ip_address >> 8;
+    socket_address.data[5] = ip_address;
+
+    if (_socket.bind(tcp_socket, &socket_address, sizeof(socket_address)) != 0) {
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Failed to bind the new socket.\n");
+#endif
+        return cc3000_server(*this, socket_address);
+    }
+    if (_socket.listen(tcp_socket, 1) != 0) { /* 1 client */
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Failed to listen on the new socket.\n");
+#endif
+        return cc3000_server(*this, socket_address);
+    }
+
+    return cc3000_server(*this, socket_address, tcp_socket);
+}
+
+void cc3000::delete_profiles(void) {
+    tUserFS user_info;
+
+    _wlan.ioctl_set_connection_policy(0, 0, 0);
+    _wlan.ioctl_del_profile(255);
+
+    user_info.FTC = 0;
+    set_user_file_info((uint8_t *)&user_info, sizeof(user_info));
+}
+
+void cc3000::set_user_file_info(uint8_t *info_file, size_t size) {
+    _nvmem.write( NVMEM_USER_FILE_1_FILEID, size, 0, info_file);
+}
+
+bool cc3000::disconnect(void){
+    if (_wlan.disconnect()) {
+        return false;
+    } else {
+        return true;
+    }
+}
+
+uint32_t cc3000::ping(uint32_t ip, uint8_t attempts, uint16_t timeout, uint8_t size) {
+    uint32_t reversed_ip = (ip >> 24) | (ip >> 8) & 0xFF00 | (ip << 8) & 0xFF0000 | (ip << 24);
+
+    _ping_report.packets_received = 0;
+    if (_netapp.ping_send(&reversed_ip, attempts, size, timeout) == -1) {
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Failed to send ping.\n");
+#endif
+        return 0;
+    }
+    wait_ms(timeout*attempts*2);
+
+    /* known issue of cc3000 - sent number is send + received */
+#if (CC3000_DEBUG == 1)
+    printf("DEBUG: Sent: %d \n",_ping_report.packets_sent);
+    printf("DEBUG: Received: %d \n",_ping_report.packets_received);
+    printf("DEBUG: Min time: %d \n",_ping_report.min_round_time);
+    printf("DEBUG: Max time: %d \n",_ping_report.max_round_time);
+    printf("DEBUG: Avg time: %d \n",_ping_report.avg_round_time);
+#endif
+
+    return _ping_report.packets_received;
+}
+
+int32_t cc3000::readable(void) {
+    return _buffer.available();
+}
+
+uint8_t cc3000::getc(void)
+{
+    char c;
+
+    while (!_buffer.available());
+    _buffer.dequeue(&c);
+    return (uint8_t)c;
+}
+
+/* Conversion between uint types and C strings */
+uint8_t* UINT32_TO_STREAM_f (uint8_t *p, uint32_t u32)
+{
+    *(p)++ = (uint8_t)(u32);
+    *(p)++ = (uint8_t)((u32) >> 8);
+    *(p)++ = (uint8_t)((u32) >> 16);
+    *(p)++ = (uint8_t)((u32) >> 24);
+    return p;
+}
+
+
+uint8_t* UINT16_TO_STREAM_f (uint8_t *p, uint16_t u16)
+{
+    *(p)++ = (uint8_t)(u16);
+    *(p)++ = (uint8_t)((u16) >> 8);
+    return p;
+}
+
+
+uint16_t STREAM_TO_UINT16_f(uint8_t *p, uint16_t offset)
+{
+    return (uint16_t)((uint16_t)((uint16_t)
+           (*(p + offset + 1)) << 8) + (uint16_t)(*(p + offset)));
+}
+
+
+uint32_t STREAM_TO_UINT32_f(uint8_t *p, uint16_t offset)
+{
+    return (uint32_t)((uint32_t)((uint32_t)
+           (*(p + offset + 3)) << 24) + (uint32_t)((uint32_t)
+           (*(p + offset + 2)) << 16) + (uint32_t)((uint32_t)
+           (*(p + offset + 1)) << 8) + (uint32_t)(*(p + offset)));
+}
+
+} /* end of mbed_cc3000 namespace */
+