cc3000 hostdriver with the mbed socket interface

Dependents:   cc3000_hello_world_demo cc3000_simple_socket_demo cc3000_ntp_demo cc3000_ping_demo ... more

Files at this revision

API Documentation at this revision

Comitter:
Kojto
Date:
Sat Sep 21 15:01:05 2013 +0000
Parent:
3:ad95e296bfbf
Child:
5:245ac5b73132
Commit message:
mbed socket interface changes; - socket init (creates upd/tcp socket); - debug prints; host driver changes; - blocking call when closing socket (Frank's recommedation); - delete profiles (user info retrieved, then erased)

Changed in this revision

Socket/Endpoint.cpp Show annotated file Show diff for this revision Revisions of this file
Socket/Socket.cpp Show annotated file Show diff for this revision Revisions of this file
Socket/Socket.h Show annotated file Show diff for this revision Revisions of this file
Socket/UDPSocket.cpp Show annotated file Show diff for this revision Revisions of this file
cc3000.cpp Show annotated file Show diff for this revision Revisions of this file
cc3000_socket.cpp Show annotated file Show diff for this revision Revisions of this file
cc3000_socket.h Show annotated file Show diff for this revision Revisions of this file
--- a/Socket/Endpoint.cpp	Thu Sep 19 08:04:22 2013 +0000
+++ b/Socket/Endpoint.cpp	Sat Sep 21 15:01:05 2013 +0000
@@ -1,123 +1,142 @@
-/* Copyright (C) 2012 mbed.org, MIT License
- *
- * 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 THE AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-#include "Socket/Socket.h"
-#include "Socket/Endpoint.h"
-#include <cstring>
-
- #include "cc3000.h"
-
-using std::memset;
-
-Endpoint::Endpoint()  {
-    _cc3000_module = cc3000::get_instance();
-    if (_cc3000_module == NULL) {
-        error("Endpoint constructor error: no cc3000 instance available!\r\n");
-    }
-    reset_address();
-}
-Endpoint::~Endpoint() {}
-
-void Endpoint::reset_address(void) {
-    _ipAddress[0] = '\0';
-    std::memset(&_remote_host,0, sizeof(sockaddr));
-}
-
-int Endpoint::set_address(const char* host, const int port) {
-    reset_address();
-
-    // IP Address
-    char address[5];
-    char *p_address = address;
-
-    // Dot-decimal notation
-    int result = std::sscanf(host, "%3u.%3u.%3u.%3u",
-        (unsigned int*)&address[0], (unsigned int*)&address[1],
-        (unsigned int*)&address[2], (unsigned int*)&address[3]);
-
-    if (result != 4) {
-        //Resolve DNS address or populate hard-coded IP address
-        uint32_t address_integer;
-        _cc3000_module->_socket.get_host_by_name((uint8_t *)host, strlen(host) , &address_integer);
-
-        address[0] = (address_integer >> 24);
-        address[1] = (address_integer >> 16);
-        address[2] = (address_integer >> 8);
-        address[3] = (address_integer >> 0);
-        sprintf(_ipAddress,"%3u.%3u.%3u.%3u", address[0],address[1],address[2],address[3]);
-        _remote_host.sin_addr.s_addr = address_integer;
-    } else {
-        std::memcpy((char*)&_remote_host.sin_addr.s_addr, p_address, 4);
-    }
-
-    /* store address*/
-    _remote_host.sin_family = AF_INET;
-
-    // Set port
-    _remote_host.sin_port = htons(port);
-
-    return 0;
-}
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * 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 THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+#include "Socket/Socket.h"
+#include "Socket/Endpoint.h"
+#include "Helper/def.h"
+#include <cstring>
+
+ #include "cc3000.h"
+
+/* Copied from lwip */
+static char *inet_ntoa_r(const in_addr addr, char *buf, int buflen)
+{
+  uint32_t s_addr;
+  char inv[3];
+  char *rp;
+  uint8_t *ap;
+  uint8_t rem;
+  uint8_t n;
+  uint8_t i;
+  int len = 0;
+
+  s_addr = addr.s_addr;
+
+  rp = buf;
+  ap = (uint8_t *)&s_addr;
+  for(n = 0; n < 4; n++) {
+    i = 0;
+    do {
+      rem = *ap % (uint8_t)10;
+      *ap /= (uint8_t)10;
+      inv[i++] = '0' + rem;
+    } while(*ap);
+    while(i--) {
+      if (len++ >= buflen) {
+        return NULL;
+      }
+      *rp++ = inv[i];
+    }
+    if (len++ >= buflen) {
+      return NULL;
+    }
+    *rp++ = '.';
+    ap++;
+  }
+  *--rp = 0;
+  return buf;
+}
 
-static char *inet_ntoa_r(const in_addr addr, char *buf, int buflen)
-{
-  uint32_t s_addr;
-  char inv[3];
-  char *rp;
-  uint8_t *ap;
-  uint8_t rem;
-  uint8_t n;
-  uint8_t i;
-  int len = 0;
-
-  s_addr = addr.s_addr;
-
-  rp = buf;
-  ap = (uint8_t *)&s_addr;
-  for(n = 0; n < 4; n++) {
-    i = 0;
-    do {
-      rem = *ap % (uint8_t)10;
-      *ap /= (uint8_t)10;
-      inv[i++] = '0' + rem;
-    } while(*ap);
-    while(i--) {
-      if (len++ >= buflen) {
-        return NULL;
-      }
-      *rp++ = inv[i];
-    }
-    if (len++ >= buflen) {
-      return NULL;
-    }
-    *rp++ = '.';
-    ap++;
-  }
-  *--rp = 0;
-  return buf;
-}
-
-char* Endpoint::get_address() {
-    if ((_ipAddress[0] == '\0') && (_remote_host.sin_addr.s_addr != 0))
-            inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
-    return _ipAddress;
-}
-
-
-int   Endpoint::get_port() {
-    return ntohs(_remote_host.sin_port);
-}
+Endpoint::Endpoint()  {
+    _cc3000_module = cc3000::get_instance();
+    if (_cc3000_module == NULL) {
+        error("Endpoint constructor error: no cc3000 instance available!\r\n");
+    }
+    reset_address();
+}
+Endpoint::~Endpoint() {}
+
+void Endpoint::reset_address(void) {
+    _ipAddress[0] = '\0';
+    std::memset(&_remote_host,0, sizeof(sockaddr_in));
+}
+
+int Endpoint::set_address(const char* host, const int port) {
+    reset_address();
+
+    // IP Address
+    char address[5];
+    char *p_address = address;
+
+    signed int add[5];
+
+    // Dot-decimal notation
+    int result = std::sscanf(host, "%3u.%3u.%3u.%3u", &add[0], &add[1], &add[2], &add[3]);
+    for (int i=0;i<4;i++) {
+      address[i] = add[i];
+    }
+
+    if (result != 4) {
+        //Resolve DNS address or populate hard-coded IP address
+        uint32_t address_integer;
+        _cc3000_module->_socket.get_host_by_name((uint8_t *)host, strlen(host) , &address_integer);
+
+        _remote_host.sin_addr.s_addr = address_integer;
+        inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
+        // address[0] = (address_integer >> 24);
+        // address[1] = (address_integer >> 16);
+        // address[2] = (address_integer >> 8);
+        // address[3] = (address_integer >> 0);
+        // sprintf(_ipAddress,"%3u.%3u.%3u.%3u", address[0],address[1],address[2],address[3]);
+        // p_address = _ipAddress;
+        // _remote_host.sin_addr.s_addr = address_integer;
+    } else {
+        std::memcpy((char*)&_remote_host.sin_addr.s_addr, p_address, 4);
+    }
+
+#if (CC3000_DEBUG == 1)
+    printf("DEBUG: remote host address (string): %s\n",_ipAddress);
+    printf("DEBUG: remote host address from s_addr : %d.%d.%d.%d\n",
+            int(_remote_host.sin_addr.s_addr & 0xFF),
+            int((_remote_host.sin_addr.s_addr & 0xFF00)>>8),
+            int((_remote_host.sin_addr.s_addr & 0xFF0000)>>16),
+            int((_remote_host.sin_addr.s_addr & 0xFF000000)>>24));
+    //     address[0] = (_remote_host.sin_addr.s_addr >> 24);
+    //     address[1] = (_remote_host.sin_addr.s_addr >> 16);
+    //     address[2] = (_remote_host.sin_addr.s_addr >> 8);
+    //     address[3] = (_remote_host.sin_addr.s_addr >> 0);
+    // printf("DEBUG: remote host address from s_addr: %3u.%3u.%3u.%3u\n",address[0],address[1],address[2],address[3]);
+#endif
+    /* store address*/
+    _remote_host.sin_family = AF_INET;
+
+    // Set port
+    _remote_host.sin_port = htons(port);
+
+    return 0;
+}
+
+char* Endpoint::get_address() {
+    if ((_ipAddress[0] == '\0') && (_remote_host.sin_addr.s_addr != 0))
+            inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
+    return _ipAddress;
+}
+
+
+int   Endpoint::get_port() {
+    return ntohs(_remote_host.sin_port);
+}
--- a/Socket/Socket.cpp	Thu Sep 19 08:04:22 2013 +0000
+++ b/Socket/Socket.cpp	Sat Sep 21 15:01:05 2013 +0000
@@ -26,6 +26,29 @@
     }
 }
 
+int Socket::init_socket(int type, int protocol) {
+    if (_sock_fd != -1) {
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Socket was initialized previously.\n");
+#endif
+        return -1;
+    }
+
+    int fd = _cc3000_module->_socket.socket(AF_INET, type, protocol);
+    if (fd < -1) {
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Failed to create new socket (type:%d, protocol:%d).\n",type, protocol);
+#endif
+        return -1;
+    }
+#if (CC3000_DEBUG == 1)
+        printf("DEBUG: Socket created (fd: %d type: %d, protocol: %d).\n",fd, type, protocol);
+#endif
+    _sock_fd = fd;
+
+    return 0;
+}
+
 void Socket::set_blocking(bool blocking, unsigned int timeout) {
     _blocking = blocking;
     _timeout = timeout;
@@ -40,7 +63,7 @@
 }
 
 int Socket::select(struct timeval *timeout, bool read, bool write) {
-    if (_sock_fd < 0 ) {
+    if (_sock_fd < 0) {
         return -1;
     }
 
@@ -52,7 +75,15 @@
     fd_set* writeset = (write) ? (&fdSet) : (NULL);
 
     int ret = _cc3000_module->_socket.select(_sock_fd+1, readset, writeset, NULL, timeout);
-    return (ret <= 0 || !FD_ISSET(_sock_fd, &fdSet)) ? (-1) : (0);
+#if (CC3000_DEBUG == 1)
+    printf("DEBUG: Select on sock_fd: %d, returns %d. fdSet: %d\n",_sock_fd, ret, fdSet);
+#endif
+    //return (ret <= 0 || !FD_ISSET(_sock_fd, &fdSet)) ? (-1) : (0);
+    if (FD_ISSET(_sock_fd, &fdSet)) {
+        return 0;
+    } else {
+        return -1;
+    }
 }
 
 int Socket::wait_readable(TimeInterval& timeout) {
--- a/Socket/Socket.h	Thu Sep 19 08:04:22 2013 +0000
+++ b/Socket/Socket.h	Sat Sep 21 15:01:05 2013 +0000
@@ -67,6 +67,8 @@
 protected:
     int _sock_fd;
 
+    int init_socket(int type, int protocol);
+
     int wait_readable(TimeInterval& timeout);
     int wait_writable(TimeInterval& timeout);
 
--- a/Socket/UDPSocket.cpp	Thu Sep 19 08:04:22 2013 +0000
+++ b/Socket/UDPSocket.cpp	Sat Sep 21 15:01:05 2013 +0000
@@ -26,36 +26,41 @@
 }
 
 int UDPSocket::init(void) {
-    /* open upd socket */
-    _sock_fd = _cc3000_module->_socket.socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-    if (_sock_fd == -1) {
-#if (CC3000_DEBUG == 1)
-        printf("DEBUG: Failed to create new socket (udp).\n");
-#endif
-        return 0;
-    }
-
-    return 1;
+    return init_socket(SOCK_DGRAM, IPPROTO_UDP);
 }
 
 // Server initialization
 int UDPSocket::bind(int port) {
-    init();
+    if (init_socket(SOCK_DGRAM, IPPROTO_UDP) < 0) {
+        return -1;
+    }
 
     sockaddr_in localHost;
-    std::memset(&localHost, 0, sizeof(localHost));
+    std::memset(&localHost, 0, sizeof(sockaddr_in));
 
     localHost.sin_family = AF_INET;
     localHost.sin_port = htons(port);
-    localHost.sin_addr.s_addr = htons(0);
+    localHost.sin_addr.s_addr = 0;
+    // sockaddr localHost;
+    // localHost.family = AF_INET;
+    // localHost.data[0] = (port & 0xFF00)>> 8;
+    // localHost.data[1] = (port & 0x00FF);
+    // localHost.data[2] = 0;
+    // localHost.data[3] = 0;
+    // localHost.data[4] = 0;
+    // localHost.data[5] = 0;
 
-    if (_cc3000_module->_socket.bind(_sock_fd, (sockaddr *)&localHost, sizeof(localHost)) != 0) {
+    if (_cc3000_module->_socket.bind(_sock_fd, (sockaddr *)&localHost, sizeof(sockaddr_in)) != 0) {
 #if (CC3000_DEBUG == 1)
         printf("DEBUG: Failed to bind a socket (udp). Closing socket.\n");
 #endif
         _cc3000_module->_socket.closesocket(_sock_fd);
+        _sock_fd = -1;
         return -1;
     }
+// #if (CC3000_DEBUG == 1)
+//     printf("DEBUG: local add: %d\n",localHost.sin_addr.s_addr);
+// #endif
     return 0;
 }
 
@@ -68,11 +73,15 @@
 
     if (!_blocking) {
         TimeInterval timeout(_timeout);
-        if (wait_writable(timeout) != 0)
+        if (wait_writable(timeout) != 0) {
+#if (CC3000_DEBUG == 1)
+            printf("DEBUG: The socket is not writeable. _sock_fd: %d.\n", _sock_fd);
+#endif
             return 0;
+        }
     }
 
-    return _cc3000_module->_socket.sendto(_sock_fd, packet, length, 0, (sockaddr *)&remote._remote_host, sizeof(remote._remote_host));
+    return _cc3000_module->_socket.sendto(_sock_fd, packet, length, 0, (sockaddr *)&remote._remote_host, sizeof(sockaddr));
 }
 
 // -1 if unsuccessful, else number of bytes received
@@ -85,6 +94,9 @@
     if (!_blocking) {
         TimeInterval timeout(_timeout);
         if (wait_readable(timeout) != 0) {
+#if (CC3000_DEBUG == 1)
+            printf("DEBUG: The socket is not readable. _sock_fd: %d.\n", _sock_fd);
+#endif
             return 0;
         }
     }
--- a/cc3000.cpp	Thu Sep 19 08:04:22 2013 +0000
+++ b/cc3000.cpp	Sat Sep 21 15:01:05 2013 +0000
@@ -386,6 +386,7 @@
     _wlan.ioctl_set_connection_policy(0, 0, 0);
     _wlan.ioctl_del_profile(255);
 
+    get_user_file_info((uint8_t *)&user_info, sizeof(user_info));
     user_info.FTC = 0;
     set_user_file_info((uint8_t *)&user_info, sizeof(user_info));
 }
--- a/cc3000_socket.cpp	Thu Sep 19 08:04:22 2013 +0000
+++ b/cc3000_socket.cpp	Sat Sep 21 15:01:05 2013 +0000
@@ -101,7 +101,7 @@
     }
     else
     {
-        uint16 free_buffer = _simple_link.get_number_free_buffers();
+        uint16_t free_buffer = _simple_link.get_number_free_buffers();
         free_buffer--;
         _simple_link.set_number_free_buffers(free_buffer);
         return 0;
@@ -140,6 +140,7 @@
     int32_t ret;
     uint8_t *ptr, *args;
 
+    while(_simple_link.get_number_free_buffers() != SOCKET_MAX_FREE_BUFFERS);
     ret = EFAIL;
     ptr = _simple_link.get_transmit_buffer();
     args = (ptr + HEADERS_SIZE_CMD);
--- a/cc3000_socket.h	Thu Sep 19 08:04:22 2013 +0000
+++ b/cc3000_socket.h	Sat Sep 21 15:01:05 2013 +0000
@@ -41,6 +41,8 @@
 #ifndef CC3000_SOCKET_H
 #define CC3000_SOCKET_H
 
+#define SOCKET_MAX_FREE_BUFFERS    6
+
 #define SOCKET_STATUS_ACTIVE       0
 #define SOCKET_STATUS_INACTIVE     1