Diff: lwip-wifi/arch/rza1_bp3595_emac.c

Revision:

0:a933851e5d22

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwip-wifi/arch/rza1_bp3595_emac.c	Tue May 24 10:34:31 2016 +0000
@@ -0,0 +1,155 @@
+#include "lwip/opt.h"
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/pbuf.h"
+#include "lwip/sys.h"
+#include "lwip/stats.h"
+#include "lwip/snmp.h"
+#include "lwip/tcpip.h"
+#include "netif/etharp.h"
+#include "netif/ppp_oe.h"
+#include "mbed_interface.h"
+
+#include <string.h>
+#include "rza1_bp3595_emac.h"
+#include "WlanBP3595.h"
+
+/* Static variable */
+static struct netif * volatile target_netif = NULL;
+static volatile int init_sts = 0;           /* 0: not initialized, 1:initialized */
+static int          connect_sts = 0;        /* 0: disconnected, 1:connected */
+
+/* Static function  */
+static err_t rza1_bp3595_etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr);
+static err_t rza1_bp3595_low_level_output(struct netif *netif, struct pbuf *p);
+
+/* This function is called from the receiving thread of WlanBP3595 library. */
+void rza1_bp3595_input(void *buff, u16_t recv_size) {
+    struct eth_hdr  *ethhdr;
+    struct pbuf     *p;
+
+    if (recv_size != 0) {
+        p = pbuf_alloc(PBUF_RAW, recv_size, PBUF_RAM);
+        if (p != NULL) {
+            /* Copy data */
+            memcpy(p->payload, buff, recv_size);
+            /* Check Ethernet frame type */
+            ethhdr = p->payload;
+            switch (htons(ethhdr->type)) {
+                case ETHTYPE_IP:
+                case ETHTYPE_ARP:
+#if PPPOE_SUPPORT
+                case ETHTYPE_PPPOEDISC:
+                case ETHTYPE_PPPOE:
+#endif /* PPPOE_SUPPORT */
+                    /* full packet send to tcpip_thread to process */
+                    if (target_netif->input(p, target_netif) != ERR_OK) {
+                        /* Free buffer */
+                        pbuf_free(p);
+                    }
+                    break;
+                default:
+                    /* Free buffer */
+                    pbuf_free(p);
+                    break;
+            }
+        }
+    }
+}
+
+void rza1_bp3595_connected(void) {
+    /* 0: not initialized, 1:initialized */
+    if (init_sts == 1) {
+        /* 0: disconnected, 1:connected */
+        if (connect_sts == 0) {
+            tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_up, (void*)target_netif, 1);
+            connect_sts = 1;
+        }
+    }
+}
+
+void rza1_bp3595_disconnected(void) {
+    /* 0: not initialized, 1:initialized */
+    if (init_sts == 1) {
+        /* 0: disconnected, 1:connected */
+        if (connect_sts == 1) {
+            tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_down, (void*)target_netif, 1);
+            connect_sts = 0;
+        }
+    }
+}
+
+static err_t rza1_bp3595_etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr) {
+    if (netif->flags & NETIF_FLAG_LINK_UP) {
+        return etharp_output(netif, q, ipaddr);
+    }
+
+    return ERR_CONN;
+}
+
+static err_t rza1_bp3595_low_level_output(struct netif *netif, struct pbuf *p) {
+    err_t   err = ERR_MEM;
+    int     ret;
+
+    ret = WlanBP3595_Output(p);
+    if (ret == 0) {
+        err = ERR_OK;
+    }
+
+    return err;
+}
+
+err_t wifi_arch_enetif_init(struct netif *netif) {
+    grp_wld_byte_array  tBAWidData;     /* byte array wid data */
+    int                 ret;
+
+    /* Set MAC hardware address */
+    tBAWidData.pucData = (grp_u8 *)netif->hwaddr;
+    tBAWidData.ulSize  = 6;
+
+    ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_GET_MAC_ADDRESS, &tBAWidData);
+    if (ret != 0) {
+        /* error(return a default MAC hardware address) */
+        netif->hwaddr[0] = 0x00;
+        netif->hwaddr[1] = 0x02;
+        netif->hwaddr[2] = 0xF7;
+        netif->hwaddr[3] = 0xF0;
+        netif->hwaddr[4] = 0x00;
+        netif->hwaddr[5] = 0x00;
+    }
+
+    /* Set MAC hardware address length */
+    netif->hwaddr_len = ETHARP_HWADDR_LEN;
+
+    /* Set maximum transfer unit */
+    netif->mtu = 1500;
+
+    /* Set device capabilities */
+    netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET | NETIF_FLAG_IGMP;
+
+#if LWIP_NETIF_HOSTNAME
+    /* Initialize interface hostname */
+    netif->hostname = "lwiprza1";
+#endif /* LWIP_NETIF_HOSTNAME */
+
+    netif->name[0] = 'e';
+    netif->name[1] = 'n';
+
+    netif->output     = rza1_bp3595_etharp_output;
+    netif->linkoutput = rza1_bp3595_low_level_output;
+
+    target_netif = netif;
+
+    init_sts = 1;   /* 0: not initialized, 1:initialized */
+
+    return ERR_OK;
+}
+
+void wifi_arch_enable_interrupts(void) {
+    WlanBP3595_RecvEnable();
+}
+
+void wifi_arch_disable_interrupts(void) {
+    WlanBP3595_RecvDisable();
+}
+