This is LWIPBP3595Interface class library. The base library is LWIPInterface.
Dependents: LWIPBP3595Interface_STA
Revision 0:a933851e5d22, committed 2016-05-24
- Comitter:
- tousaki
- Date:
- Tue May 24 10:34:31 2016 +0000
- Child:
- 1:abb17eced903
- Commit message:
- Created 1st version.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/LWIPBP3595Interface.cpp Tue May 24 10:34:31 2016 +0000
@@ -0,0 +1,243 @@
+/* LWIPBP3595Interface.cpp */
+/* Copyright (C) 2016 Grape Systems, Inc. */
+/* The base file is LWIPInterface.cpp. */
+
+/* LWIPInterface.cpp */
+/* LWIP implementation of NetworkInterfaceAPI
+ * Copyright (c) 2015 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "mbed.h"
+#include "LWIPBP3595Interface.h"
+#include "LWIPBP3595Interface_BssType.h"
+#include "WlanBP3595.h"
+
+#include "lwip/inet.h"
+#include "lwip/netif.h"
+#include "lwip/dhcp.h"
+#include "lwip/tcpip.h"
+#include "lwip/sockets.h"
+#include "lwip/netdb.h"
+#include "netif/etharp.h"
+#include "wifi_arch.h"
+#include "lwip/netif.h"
+#include "lwip/udp.h"
+#include "lwip/tcp.h"
+#include "lwip/tcp_impl.h"
+#include "lwip/timers.h"
+#include "lwip/dns.h"
+#include "lwip/def.h"
+#include "lwip/ip_addr.h"
+
+#define LWIP_TIMEOUT 180000
+
+/* TCP/IP and Network Interface Initialisation */
+static struct netif netif;
+
+static char ip_addr[NSAPI_IP_SIZE] = "\0";
+static char mac_addr[NSAPI_MAC_SIZE] = "\0";
+
+static Semaphore tcpip_inited(0);
+static Semaphore netif_linked(0);
+static Semaphore netif_up(0);
+
+static void tcpip_init_irq(void *)
+{
+ tcpip_inited.release();
+}
+
+static void netif_link_irq(struct netif *netif)
+{
+ if (netif_is_link_up(netif)) {
+ netif_linked.release();
+ }
+}
+
+static void netif_status_irq(struct netif *netif)
+{
+ if (netif_is_up(netif)) {
+ strcpy(ip_addr, inet_ntoa(netif->ip_addr));
+ netif_up.release();
+ }
+}
+
+static void init_netif(ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw)
+{
+ tcpip_init(tcpip_init_irq, NULL);
+ tcpip_inited.wait();
+
+ memset((void*) &netif, 0, sizeof(netif));
+ netif_add(&netif, ipaddr, netmask, gw, NULL, wifi_arch_enetif_init, tcpip_input);
+ netif_set_default(&netif);
+
+ netif_set_link_callback (&netif, netif_link_irq);
+ netif_set_status_callback(&netif, netif_status_irq);
+}
+
+static void set_mac_address(void)
+{
+ snprintf(mac_addr, 19, "%02x:%02x:%02x:%02x:%02x:%02x", netif.hwaddr[0], netif.hwaddr[1],
+ netif.hwaddr[2], netif.hwaddr[3], netif.hwaddr[4], netif.hwaddr[5]);
+}
+
+static void _wlan_inf_callback(uint8_t ucType, uint16_t usWid, uint16_t usSize, uint8_t *pucData) {
+ if ((ucType == 'I') && (usWid == 0x0005)) {
+ if (pucData[0] == 0x01) { // CONNECTED
+ /* Notify the EthernetInterface driver that WLAN was connected */
+ WlanBP3595_Connected();
+ } else {
+ /* Notify the EthernetInterface driver that WLAN was disconnected */
+ WlanBP3595_Disconnected();
+ }
+ }
+}
+
+static int _wlan_init() {
+ uint32_t status;
+
+ /* Initialize WlanBP3595 */
+ if (WlanBP3595_Init(&_wlan_inf_callback) != 0) {
+ return -1;
+ }
+
+ /* Wait until WLAN_BP3595_START timeout 60s */
+ while (1) {
+ Thread::wait(200);
+ status = WlanBP3595_GetWlanSts();
+ if (status == WLAN_BP3595_START) {
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int _wlan_setting(const char *ssid, const char *pass, nsapi_security_t security)
+{
+ int ret;
+ grp_u8 ucWidData8; // 8bit wid data
+ grp_wld_byte_array tBAWidData; // byte array wid data
+
+ // Set BSS type
+ ucWidData8 = BSS_TYPE;
+ ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_SET_BSS_TYPE, &ucWidData8);
+ if (ret != 0) {
+ return -1;
+ }
+
+ // Set SSID
+ tBAWidData.pucData = (grp_u8 *)ssid;
+ tBAWidData.ulSize = strlen((char *)tBAWidData.pucData);
+ ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_SET_SSID, &tBAWidData);
+ if (ret != 0) {
+ return -1;
+ }
+
+ if ((security == NSAPI_SECURITY_WPA) || (security == NSAPI_SECURITY_WPA2)) {
+ // Set PSK
+ tBAWidData.pucData = (grp_u8 *)pass;
+ tBAWidData.ulSize = strlen((char *)tBAWidData.pucData);
+ ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_SET_11I_PSK, &tBAWidData);
+ if (ret != 0) {
+ return -1;
+ }
+ }
+
+ // Set 11i mode
+ switch (security) {
+ case NSAPI_SECURITY_WEP:
+ ret = strlen(pass);
+ if (ret == 5) {
+ ucWidData8 = 0x03; // WEP64
+ } else if (ret == 13) {
+ ucWidData8 = 0x07; // WEP128
+ } else {
+ return -1;
+ }
+ break;
+ case NSAPI_SECURITY_WPA:
+ case NSAPI_SECURITY_WPA2:
+ ucWidData8 = 0x79; // WPA/WPA2 Mixed
+ break;
+ case NSAPI_SECURITY_NONE:
+ default:
+ ucWidData8 = 0x00;
+ break;
+ }
+ ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_SET_11I_MODE, &ucWidData8);
+ if (ret != 0) {
+ return -1;
+ }
+
+ if (security == NSAPI_SECURITY_WEP) {
+ // Set WEP KEY
+ tBAWidData.pucData = (grp_u8 *)pass;
+ tBAWidData.ulSize = strlen((char *)tBAWidData.pucData);
+ ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_SET_WEP_KEY, &tBAWidData);
+ if (ret != 0) {
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+// LWIPBP3595Interface implementation
+int LWIPBP3595Interface::connect(
+ const char *ssid,
+ const char *pass,
+ nsapi_security_t security)
+{
+ _wlan_init();
+
+ // Set up network
+ init_netif(0, 0, 0);
+ set_mac_address();
+
+ _wlan_setting(ssid, pass, security);
+
+ // Connect to network
+ wifi_arch_enable_interrupts();
+
+ dhcp_start(&netif);
+
+ // Wait for an IP Address
+ // -1: error, 0: timeout
+ if (netif_up.wait(LWIP_TIMEOUT) < 0) {
+ return NSAPI_ERROR_DHCP_FAILURE;
+ }
+
+ return 0;
+}
+
+int LWIPBP3595Interface::disconnect()
+{
+ dhcp_release(&netif);
+ dhcp_stop(&netif);
+
+ wifi_arch_disable_interrupts();
+
+ return 0;
+}
+
+const char *LWIPBP3595Interface::get_ip_address()
+{
+ return ip_addr;
+}
+
+const char *LWIPBP3595Interface::get_mac_address()
+{
+ return mac_addr;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/LWIPBP3595Interface.h Tue May 24 10:34:31 2016 +0000
@@ -0,0 +1,66 @@
+/* LWIPBP3595Interface.h */
+/* Copyright (C) 2016 Grape Systems, Inc. */
+/* The base file is LWIPInterface.h. */
+
+/* LWIPInterface.h */
+/* LWIP implementation of NetworkInterfaceAPI
+ * Copyright (c) 2015 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LWIP_BP3595_INTERFACE_H
+#define LWIP_BP3595_INTERFACE_H
+
+#include "LWIPInterface.h"
+#include "WiFiInterface.h"
+
+
+/** LWIPBP3595Interface class
+ * Implementation of the NetworkInterface for LWIP
+ */
+class LWIPBP3595Interface : public LWIPInterface
+{
+public:
+
+ /** Start the interface
+ * @param ssid Name of the network to connect to
+ * @param pass Security passphrase to connect to the network
+ * @param security Type of encryption to connect with
+ * @return 0 on success
+ */
+ virtual int connect(
+ const char *ssid,
+ const char *pass,
+ nsapi_security_t security = NSAPI_SECURITY_WPA2);
+
+ virtual int disconnect();
+
+ /** Get the internally stored IP address
+ * @return IP address of the interface or null if not yet connected
+ */
+ virtual const char *get_ip_address();
+
+ /** Get the internally stored MAC address
+ * @return MAC address of the interface
+ */
+ virtual const char *get_mac_address();
+
+private:
+ // Implementation of EthernetInterface
+ virtual int32_t connect() {return 0;}
+
+};
+
+
+#endif
--- /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();
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lwip-wifi/arch/rza1_bp3595_emac.h Tue May 24 10:34:31 2016 +0000
@@ -0,0 +1,27 @@
+#ifndef _RZA1_BP3595_EMAC_H_
+#define _RZA1_BP3595_EMAC_H_
+
+#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 "netif/etharp.h"
+#include "netif/ppp_oe.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Function */
+void rza1_bp3595_input(void *buff, u16_t recv_size);
+void rza1_bp3595_connected(void);
+void rza1_bp3595_disconnected(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RZA1_BP3595_EMAC_H_ */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wifi_arch.h Tue May 24 10:34:31 2016 +0000
@@ -0,0 +1,44 @@
+/* wifi_arch.h */
+/* Copyright (C) 2016 Grape Systems, Inc. */
+/* The base file is eth_arch.h. */
+
+/* eth_arch.h */
+/* 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.
+ */
+
+// Architecture specific WiFi interface
+// Must be implemented by each target
+
+#ifndef WIFIARCH_H_
+#define WIFIARCH_H_
+
+#include "lwip/netif.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+void wifi_arch_enable_interrupts(void);
+void wifi_arch_disable_interrupts(void);
+err_t wifi_arch_enetif_init(struct netif *netif);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // #ifndef WIFIARCH_H_
+