Diff: mbed-os/features/nanostack/mbed-mesh-api/source/LoWPANNDInterface.cpp

Revision:

0:8fdf9a60065b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/features/nanostack/mbed-mesh-api/source/LoWPANNDInterface.cpp	Wed Oct 10 00:33:53 2018 +0000
@@ -0,0 +1,170 @@
+#include "LoWPANNDInterface.h"
+#include "include/nd_tasklet.h"
+#include "callback_handler.h"
+#include "NanostackLockGuard.h"
+#include "mesh_system.h"
+#include "randLIB.h"
+
+#include "ns_trace.h"
+#define TRACE_GROUP "nslp"
+
+class Nanostack::LoWPANNDInterface : public Nanostack::MeshInterface
+{
+public:
+    virtual nsapi_error_t bringup(bool dhcp, const char *ip,
+                                  const char *netmask, const char *gw,
+                                  nsapi_ip_stack_t stack = IPV6_STACK,
+                                  bool blocking = true);
+    virtual nsapi_error_t bringdown();
+    virtual char *get_gateway(char *buf, nsapi_size_t buflen);
+
+    friend Nanostack;
+    friend class ::LoWPANNDInterface;
+private:
+    LoWPANNDInterface(NanostackRfPhy &phy) : MeshInterface(phy) { }
+    mesh_error_t init();
+    mesh_error_t mesh_connect();
+    mesh_error_t mesh_disconnect();
+};
+
+Nanostack::LoWPANNDInterface *LoWPANNDInterface::get_interface() const
+{
+    return static_cast<Nanostack::LoWPANNDInterface*>(_interface);
+}
+
+nsapi_error_t LoWPANNDInterface::do_initialize()
+{
+    if (!_interface) {
+        _interface = new (nothrow) Nanostack::LoWPANNDInterface(*_phy);
+        if (!_interface) {
+            return NSAPI_ERROR_NO_MEMORY;
+        }
+        _interface->attach(_connection_status_cb);
+    }
+    return NSAPI_ERROR_OK;
+}
+
+nsapi_error_t Nanostack::LoWPANNDInterface::bringup(bool dhcp, const char *ip,
+                                                    const char *netmask, const char *gw,
+                                                    nsapi_ip_stack_t stack, bool blocking)
+{
+    nanostack_lock();
+
+    if (register_phy() < 0) {
+        nanostack_unlock();
+        return NSAPI_ERROR_DEVICE_ERROR;
+    }
+
+    _blocking = blocking;
+
+    // After the RF is up, we can seed the random from it.
+    randLIB_seed_random();
+
+    mesh_error_t status = init();
+    if (status != MESH_ERROR_NONE) {
+        nanostack_unlock();
+        return map_mesh_error(status);
+    }
+
+    status = mesh_connect();
+    if (status != MESH_ERROR_NONE) {
+        nanostack_unlock();
+        return map_mesh_error(status);
+    }
+
+    // Release mutex before blocking
+    nanostack_unlock();
+
+    if (blocking) {
+        // wait connection for ever
+        int32_t count = connect_semaphore.wait(osWaitForever);
+
+        if (count <= 0) {
+            return NSAPI_ERROR_DHCP_FAILURE; // sort of...
+        }
+    }
+    return 0;
+
+}
+
+nsapi_error_t Nanostack::LoWPANNDInterface::bringdown()
+{
+    NanostackLockGuard lock;
+
+    mesh_error_t status = mesh_disconnect();
+
+    return map_mesh_error(status);
+}
+
+mesh_error_t Nanostack::LoWPANNDInterface::init()
+{
+    nd_tasklet_init();
+    __mesh_handler_set_callback(this);
+    interface_id = nd_tasklet_network_init(_device_id);
+
+    if (interface_id == -2) {
+        return MESH_ERROR_PARAM;
+    } else if (interface_id == -3) {
+        return MESH_ERROR_MEMORY;
+    } else if (interface_id < 0) {
+        return MESH_ERROR_UNKNOWN;
+    }
+    return MESH_ERROR_NONE;
+}
+
+mesh_error_t Nanostack::LoWPANNDInterface::mesh_connect()
+{
+    int8_t status = -9; // init to unknown error
+    tr_debug("connect()");
+
+    status = nd_tasklet_connect(&__mesh_handler_c_callback, interface_id);
+
+    if (status >= 0) {
+        return MESH_ERROR_NONE;
+    } else if (status == -1) {
+        return MESH_ERROR_PARAM;
+    } else if (status == -2) {
+        return MESH_ERROR_MEMORY;
+    } else if (status == -3) {
+        return MESH_ERROR_STATE;
+    } else {
+        return MESH_ERROR_UNKNOWN;
+    }
+}
+
+mesh_error_t Nanostack::LoWPANNDInterface::mesh_disconnect()
+{
+    int8_t status = -1;
+
+    status = nd_tasklet_disconnect(true);
+
+    if (status >= 0) {
+        return MESH_ERROR_NONE;
+    }
+
+    return MESH_ERROR_UNKNOWN;
+}
+
+char *Nanostack::LoWPANNDInterface::get_gateway(char *buf, nsapi_size_t buflen)
+{
+    NanostackLockGuard lock;
+    if (nd_tasklet_get_router_ip_address(buf, buflen) == 0) {
+        return buf;
+    }
+    return NULL;
+}
+
+bool LoWPANNDInterface::getRouterIpAddress(char *address, int8_t len)
+{
+    return _interface->get_gateway(address, len);
+}
+
+#define LOWPAN 0x2345
+#if MBED_CONF_NSAPI_DEFAULT_MESH_TYPE == LOWPAN && DEVICE_802_15_4_PHY
+MBED_WEAK MeshInterface *MeshInterface::get_target_default_instance()
+{
+    static LoWPANNDInterface lowpan(&NanostackRfPhy::get_default_instance());
+
+    return &lowpan;
+}
+#endif