Example #1
0
void spm_ipc_mailbox_init(void)
{
    // Initialization by data from shared memory
    // -----------------------------------------

    // This table is holding addresses of the platform's shared memory.
    addr_table_t *shared_addr_table_ptr = (addr_table_t *)PSA_SHARED_RAM_START;
    MBED_ASSERT(shared_addr_table_ptr->magic == ADDR_TABLE_MAGIC);

    ipc_base_queue_t *tx_queue_mem_ptr = (ipc_base_queue_t *)(shared_addr_table_ptr->tx_queue_ptr);
    MBED_ASSERT(tx_queue_mem_ptr->magic == IPC_QUEUE_BASE_MAGIC);

    ipc_base_queue_t *rx_queue_mem_ptr = (ipc_base_queue_t *)(shared_addr_table_ptr->rx_queue_ptr);
    MBED_ASSERT(rx_queue_mem_ptr->magic == IPC_QUEUE_BASE_MAGIC);

    osMutexId_t queue_mutex = osMutexNew(&queue_mutex_attr);
    MBED_ASSERT(queue_mutex != NULL);    // TODO: Panic instead

    osSemaphoreId_t full_queue_sem = osSemaphoreNew(IPC_QUEUE_SEM_MAX_COUNT, IPC_QUEUE_SEM_INITIAL_COUNT, &full_sem_attr);
    MBED_ASSERT(full_queue_sem != NULL);    // TODO: Panic instead

    osSemaphoreId_t queue_read_sem = osSemaphoreNew(IPC_QUEUE_SEM_MAX_COUNT, IPC_QUEUE_SEM_INITIAL_COUNT, &read_sem_attr);
    MBED_ASSERT(queue_read_sem != NULL);    // TODO: Panic instead

    ipc_producer_queue_init(prod_queue, tx_queue_mem_ptr, queue_mutex, full_queue_sem);
    ipc_consumer_queue_init(cons_queue, rx_queue_mem_ptr, queue_read_sem);
}
Example #2
0
osSemaphoreId osSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count) {

  if (semaphore_def == NULL) {
    return NULL;
  }
  return osSemaphoreNew((uint32_t)count, (uint32_t)count, semaphore_def);
}
Example #3
0
void Semaphore::constructor(int32_t count, uint16_t max_count)
{
    osSemaphoreAttr_t attr = { 0 };
    attr.cb_mem = &_obj_mem;
    attr.cb_size = sizeof(_obj_mem);
    _id = osSemaphoreNew(max_count, count, &attr);
    MBED_ASSERT(_id != NULL);
}
Example #4
0
void Semaphore::constructor(int32_t count, uint16_t max_count) {
    memset(&_obj_mem, 0, sizeof(_obj_mem));
    memset(&_attr, 0, sizeof(_attr));
    _attr.cb_mem = &_obj_mem;
    _attr.cb_size = sizeof(_obj_mem);
    _id = osSemaphoreNew(max_count, count, &_attr);
    MBED_ASSERT(_id != NULL);
}
Example #5
0
LWIP::Interface::Interface() :
    hw(NULL), has_addr_state(0),
    connected(NSAPI_STATUS_DISCONNECTED),
    dhcp_started(false), dhcp_has_to_be_set(false), blocking(true), ppp(false)
{
    memset(&netif, 0, sizeof netif);

    osSemaphoreAttr_t attr;
    attr.name = NULL;
    attr.attr_bits = 0;

    attr.cb_mem = &linked_sem;
    attr.cb_size = sizeof linked_sem;
    linked = osSemaphoreNew(UINT16_MAX, 0, &attr);

    attr.cb_mem = &unlinked_sem;
    attr.cb_size = sizeof unlinked_sem;
    unlinked = osSemaphoreNew(UINT16_MAX, 0, &attr);

    attr.cb_mem = &has_any_addr_sem;
    attr.cb_size = sizeof has_any_addr_sem;
    has_any_addr = osSemaphoreNew(UINT16_MAX, 0, &attr);
#if PREF_ADDR_TIMEOUT
    attr.cb_mem = &has_pref_addr_sem;
    attr.cb_size = sizeof has_pref_addr_sem;
    has_pref_addr = osSemaphoreNew(UINT16_MAX, 0, &attr);
#endif
#if BOTH_ADDR_TIMEOUT
    attr.cb_mem = &has_both_addr_sem;
    attr.cb_size = sizeof has_both_addr_sem;
    has_both_addr = osSemaphoreNew(UINT16_MAX, 0, &attr);
#endif

    next = list;
    list = this;
}
Example #6
0
int Init_Semaphore (void)
{
 
  sid_Thread_Semaphore = osSemaphoreNew(2, 2, NULL);
  if (!sid_Thread_Semaphore) {
    ; // Semaphore object not created, handle failure
  }
 
  tid_Thread_Semaphore = osThreadNew (Thread_Semaphore, NULL, NULL);
  if (!tid_Thread_Semaphore) {
    return(-1);
  }
 
  return(0);
}
Example #7
0
nsapi_error_t LWIP::Interface::bringdown()
{
    // Check if we've connected
    if (connected == NSAPI_STATUS_DISCONNECTED) {
        return NSAPI_ERROR_NO_CONNECTION;
    }

#if LWIP_DHCP
    // Disconnect from the network
    if (dhcp_started) {
        dhcp_release(&netif);
        dhcp_stop(&netif);
        dhcp_started = false;
        dhcp_has_to_be_set = false;
    }
#endif

    if (ppp) {
        /* this is a blocking call, returns when PPP is properly closed */
        err_t err = ppp_lwip_disconnect(hw);
        if (err) {
            return err_remap(err);
        }
        MBED_ASSERT(!netif_is_link_up(&netif));
        /*if (netif_is_link_up(&netif)) {
            if (sys_arch_sem_wait(&unlinked, 15000) == SYS_ARCH_TIMEOUT) {
                return NSAPI_ERROR_DEVICE_ERROR;
            }
        }*/
    } else {
        netif_set_down(&netif);
    }

#if LWIP_IPV6
    mbed_lwip_clear_ipv6_addresses(&netif);
#endif
#if LWIP_IPV4
    ip_addr_set_zero(&(netif.ip_addr));
    ip_addr_set_zero(&(netif.netmask));
    ip_addr_set_zero(&(netif.gw));
#endif

    osSemaphoreDelete(has_any_addr);
    osSemaphoreAttr_t attr;
    attr.name = NULL;
    attr.attr_bits = 0;
    attr.cb_mem = &has_any_addr_sem;
    attr.cb_size = sizeof has_any_addr_sem;
    has_any_addr = osSemaphoreNew(UINT16_MAX, 0, &attr);
#if PREF_ADDR_TIMEOUT
    osSemaphoreDelete(has_pref_addr);
    attr.cb_mem = &has_pref_addr_sem;
    attr.cb_size = sizeof has_pref_addr_sem;
    has_pref_addr = osSemaphoreNew(UINT16_MAX, 0, &attr);
#endif
#if BOTH_ADDR_TIMEOUT
    osSemaphoreDelete(has_both_addr);
    attr.cb_mem = &has_both_addr_sem;
    attr.cb_size = sizeof has_both_addr_sem;
    has_both_addr = osSemaphoreNew(UINT16_MAX, 0, &attr);
#endif
    has_addr_state = 0;

    connected = NSAPI_STATUS_DISCONNECTED;
    if (client_callback) {
        client_callback(NSAPI_EVENT_CONNECTION_STATUS_CHANGE, connected);
    }
    return 0;
}
Example #8
0
/**
 * Should be called at the beginning of the program to set up the
 * network interface.
 *
 * This function should be passed as a parameter to netif_add().
 *
 * @param[in] netif the lwip network interface structure for this netif
 * @return ERR_OK if the loopif is initialized
 *         ERR_MEM if private data couldn't be allocated
 *         any other err_t on error
 */
err_t eth_arch_enetif_init(struct netif *netif)
{
  err_t err;

  LWIP_ASSERT("netif != NULL", (netif != NULL));

  k64f_enetdata.netif = netif;

  /* set MAC hardware address */
#if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
  netif->hwaddr[0] = MBED_MAC_ADDR_0;
  netif->hwaddr[1] = MBED_MAC_ADDR_1;
  netif->hwaddr[2] = MBED_MAC_ADDR_2;
  netif->hwaddr[3] = MBED_MAC_ADDR_3;
  netif->hwaddr[4] = MBED_MAC_ADDR_4;
  netif->hwaddr[5] = MBED_MAC_ADDR_5;
#else
  mbed_mac_address((char *)netif->hwaddr);
#endif

  /* Ethernet address length */
  netif->hwaddr_len = ETH_HWADDR_LEN;

  /* maximum transfer unit */
  netif->mtu = 1500;

  /* device capabilities */
  // TODOETH: check if the flags are correct below
  netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET;

  /* Initialize the hardware */
  netif->state = &k64f_enetdata;
  err = low_level_init(netif);
  if (err != ERR_OK)
    return err;

#if LWIP_NETIF_HOSTNAME
  /* Initialize interface hostname */
  netif->hostname = "lwipk64f";
#endif /* LWIP_NETIF_HOSTNAME */

  netif->name[0] = 'e';
  netif->name[1] = 'n';

#if LWIP_IPV4
  netif->output = k64f_etharp_output_ipv4;
#if LWIP_IGMP
  netif->igmp_mac_filter = igmp_mac_filter;
  netif->flags |= NETIF_FLAG_IGMP;
#endif
#endif
#if LWIP_IPV6
  netif->output_ip6 = k64f_etharp_output_ipv6;
#if LWIP_IPV6_MLD
  netif->mld_mac_filter = mld_mac_filter;
  netif->flags |= NETIF_FLAG_MLD6;
#else
  // Would need to enable all multicasts here - no API in fsl_enet to do that
  #error "IPv6 multicasts won't be received if LWIP_IPV6_MLD is disabled, breaking the system"
#endif
#endif
  netif->linkoutput = k64f_low_level_output;

  /* CMSIS-RTOS, start tasks */
  memset(&k64f_enetdata.xTXDCountSem.data, 0, sizeof(k64f_enetdata.xTXDCountSem.data));
  k64f_enetdata.xTXDCountSem.attr.cb_mem = &k64f_enetdata.xTXDCountSem.data;
  k64f_enetdata.xTXDCountSem.attr.cb_size = sizeof(k64f_enetdata.xTXDCountSem.data);
  k64f_enetdata.xTXDCountSem.id = osSemaphoreNew(ENET_TX_RING_LEN, ENET_TX_RING_LEN, &k64f_enetdata.xTXDCountSem.attr);

  LWIP_ASSERT("xTXDCountSem creation error", (k64f_enetdata.xTXDCountSem.id != NULL));

  err = sys_mutex_new(&k64f_enetdata.TXLockMutex);
  LWIP_ASSERT("TXLockMutex creation error", (err == ERR_OK));

  /* Packet receive task */
  err = sys_sem_new(&k64f_enetdata.RxReadySem, 0);
  LWIP_ASSERT("RxReadySem creation error", (err == ERR_OK));

#ifdef LWIP_DEBUG
  sys_thread_new("k64f_emac_rx_thread", packet_rx, netif->state, DEFAULT_THREAD_STACKSIZE*5, RX_PRIORITY);
#else
  sys_thread_new("k64f_emac_thread", packet_rx, netif->state, DEFAULT_THREAD_STACKSIZE, RX_PRIORITY);
#endif

  /* Transmit cleanup task */
  err = sys_sem_new(&k64f_enetdata.TxCleanSem, 0);
  LWIP_ASSERT("TxCleanSem creation error", (err == ERR_OK));
  sys_thread_new("k64f_emac_txclean_thread", packet_tx, netif->state, DEFAULT_THREAD_STACKSIZE, TX_PRIORITY);

  /* PHY monitoring task */
  sys_thread_new("k64f_emac_phy_thread", k64f_phy_task, netif, DEFAULT_THREAD_STACKSIZE, PHY_PRIORITY);

  /* Allow the PHY task to detect the initial link state and set up the proper flags */
  osDelay(10);

  return ERR_OK;
}