LWIPBP3595Interface library for mbed-os.
Dependents: LWIPBP3595Interface_STA_for_mbed-os
Fork of LWIPBP3595Interface by
LWIPBP3595Interface.cpp@0:a933851e5d22, 2016-05-24 (annotated)
- Committer:
- tousaki
- Date:
- Tue May 24 10:34:31 2016 +0000
- Revision:
- 0:a933851e5d22
- Child:
- 2:c7e325599570
Created 1st version.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
tousaki | 0:a933851e5d22 | 1 | /* LWIPBP3595Interface.cpp */ |
tousaki | 0:a933851e5d22 | 2 | /* Copyright (C) 2016 Grape Systems, Inc. */ |
tousaki | 0:a933851e5d22 | 3 | /* The base file is LWIPInterface.cpp. */ |
tousaki | 0:a933851e5d22 | 4 | |
tousaki | 0:a933851e5d22 | 5 | /* LWIPInterface.cpp */ |
tousaki | 0:a933851e5d22 | 6 | /* LWIP implementation of NetworkInterfaceAPI |
tousaki | 0:a933851e5d22 | 7 | * Copyright (c) 2015 ARM Limited |
tousaki | 0:a933851e5d22 | 8 | * |
tousaki | 0:a933851e5d22 | 9 | * Licensed under the Apache License, Version 2.0 (the "License"); |
tousaki | 0:a933851e5d22 | 10 | * you may not use this file except in compliance with the License. |
tousaki | 0:a933851e5d22 | 11 | * You may obtain a copy of the License at |
tousaki | 0:a933851e5d22 | 12 | * |
tousaki | 0:a933851e5d22 | 13 | * http://www.apache.org/licenses/LICENSE-2.0 |
tousaki | 0:a933851e5d22 | 14 | * |
tousaki | 0:a933851e5d22 | 15 | * Unless required by applicable law or agreed to in writing, software |
tousaki | 0:a933851e5d22 | 16 | * distributed under the License is distributed on an "AS IS" BASIS, |
tousaki | 0:a933851e5d22 | 17 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
tousaki | 0:a933851e5d22 | 18 | * See the License for the specific language governing permissions and |
tousaki | 0:a933851e5d22 | 19 | * limitations under the License. |
tousaki | 0:a933851e5d22 | 20 | */ |
tousaki | 0:a933851e5d22 | 21 | |
tousaki | 0:a933851e5d22 | 22 | #include "mbed.h" |
tousaki | 0:a933851e5d22 | 23 | #include "LWIPBP3595Interface.h" |
tousaki | 0:a933851e5d22 | 24 | #include "LWIPBP3595Interface_BssType.h" |
tousaki | 0:a933851e5d22 | 25 | #include "WlanBP3595.h" |
tousaki | 0:a933851e5d22 | 26 | |
tousaki | 0:a933851e5d22 | 27 | #include "lwip/inet.h" |
tousaki | 0:a933851e5d22 | 28 | #include "lwip/netif.h" |
tousaki | 0:a933851e5d22 | 29 | #include "lwip/dhcp.h" |
tousaki | 0:a933851e5d22 | 30 | #include "lwip/tcpip.h" |
tousaki | 0:a933851e5d22 | 31 | #include "lwip/sockets.h" |
tousaki | 0:a933851e5d22 | 32 | #include "lwip/netdb.h" |
tousaki | 0:a933851e5d22 | 33 | #include "netif/etharp.h" |
tousaki | 0:a933851e5d22 | 34 | #include "wifi_arch.h" |
tousaki | 0:a933851e5d22 | 35 | #include "lwip/netif.h" |
tousaki | 0:a933851e5d22 | 36 | #include "lwip/udp.h" |
tousaki | 0:a933851e5d22 | 37 | #include "lwip/tcp.h" |
tousaki | 0:a933851e5d22 | 38 | #include "lwip/tcp_impl.h" |
tousaki | 0:a933851e5d22 | 39 | #include "lwip/timers.h" |
tousaki | 0:a933851e5d22 | 40 | #include "lwip/dns.h" |
tousaki | 0:a933851e5d22 | 41 | #include "lwip/def.h" |
tousaki | 0:a933851e5d22 | 42 | #include "lwip/ip_addr.h" |
tousaki | 0:a933851e5d22 | 43 | |
tousaki | 0:a933851e5d22 | 44 | #define LWIP_TIMEOUT 180000 |
tousaki | 0:a933851e5d22 | 45 | |
tousaki | 0:a933851e5d22 | 46 | /* TCP/IP and Network Interface Initialisation */ |
tousaki | 0:a933851e5d22 | 47 | static struct netif netif; |
tousaki | 0:a933851e5d22 | 48 | |
tousaki | 0:a933851e5d22 | 49 | static char ip_addr[NSAPI_IP_SIZE] = "\0"; |
tousaki | 0:a933851e5d22 | 50 | static char mac_addr[NSAPI_MAC_SIZE] = "\0"; |
tousaki | 0:a933851e5d22 | 51 | |
tousaki | 0:a933851e5d22 | 52 | static Semaphore tcpip_inited(0); |
tousaki | 0:a933851e5d22 | 53 | static Semaphore netif_linked(0); |
tousaki | 0:a933851e5d22 | 54 | static Semaphore netif_up(0); |
tousaki | 0:a933851e5d22 | 55 | |
tousaki | 0:a933851e5d22 | 56 | static void tcpip_init_irq(void *) |
tousaki | 0:a933851e5d22 | 57 | { |
tousaki | 0:a933851e5d22 | 58 | tcpip_inited.release(); |
tousaki | 0:a933851e5d22 | 59 | } |
tousaki | 0:a933851e5d22 | 60 | |
tousaki | 0:a933851e5d22 | 61 | static void netif_link_irq(struct netif *netif) |
tousaki | 0:a933851e5d22 | 62 | { |
tousaki | 0:a933851e5d22 | 63 | if (netif_is_link_up(netif)) { |
tousaki | 0:a933851e5d22 | 64 | netif_linked.release(); |
tousaki | 0:a933851e5d22 | 65 | } |
tousaki | 0:a933851e5d22 | 66 | } |
tousaki | 0:a933851e5d22 | 67 | |
tousaki | 0:a933851e5d22 | 68 | static void netif_status_irq(struct netif *netif) |
tousaki | 0:a933851e5d22 | 69 | { |
tousaki | 0:a933851e5d22 | 70 | if (netif_is_up(netif)) { |
tousaki | 0:a933851e5d22 | 71 | strcpy(ip_addr, inet_ntoa(netif->ip_addr)); |
tousaki | 0:a933851e5d22 | 72 | netif_up.release(); |
tousaki | 0:a933851e5d22 | 73 | } |
tousaki | 0:a933851e5d22 | 74 | } |
tousaki | 0:a933851e5d22 | 75 | |
tousaki | 0:a933851e5d22 | 76 | static void init_netif(ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw) |
tousaki | 0:a933851e5d22 | 77 | { |
tousaki | 0:a933851e5d22 | 78 | tcpip_init(tcpip_init_irq, NULL); |
tousaki | 0:a933851e5d22 | 79 | tcpip_inited.wait(); |
tousaki | 0:a933851e5d22 | 80 | |
tousaki | 0:a933851e5d22 | 81 | memset((void*) &netif, 0, sizeof(netif)); |
tousaki | 0:a933851e5d22 | 82 | netif_add(&netif, ipaddr, netmask, gw, NULL, wifi_arch_enetif_init, tcpip_input); |
tousaki | 0:a933851e5d22 | 83 | netif_set_default(&netif); |
tousaki | 0:a933851e5d22 | 84 | |
tousaki | 0:a933851e5d22 | 85 | netif_set_link_callback (&netif, netif_link_irq); |
tousaki | 0:a933851e5d22 | 86 | netif_set_status_callback(&netif, netif_status_irq); |
tousaki | 0:a933851e5d22 | 87 | } |
tousaki | 0:a933851e5d22 | 88 | |
tousaki | 0:a933851e5d22 | 89 | static void set_mac_address(void) |
tousaki | 0:a933851e5d22 | 90 | { |
tousaki | 0:a933851e5d22 | 91 | snprintf(mac_addr, 19, "%02x:%02x:%02x:%02x:%02x:%02x", netif.hwaddr[0], netif.hwaddr[1], |
tousaki | 0:a933851e5d22 | 92 | netif.hwaddr[2], netif.hwaddr[3], netif.hwaddr[4], netif.hwaddr[5]); |
tousaki | 0:a933851e5d22 | 93 | } |
tousaki | 0:a933851e5d22 | 94 | |
tousaki | 0:a933851e5d22 | 95 | static void _wlan_inf_callback(uint8_t ucType, uint16_t usWid, uint16_t usSize, uint8_t *pucData) { |
tousaki | 0:a933851e5d22 | 96 | if ((ucType == 'I') && (usWid == 0x0005)) { |
tousaki | 0:a933851e5d22 | 97 | if (pucData[0] == 0x01) { // CONNECTED |
tousaki | 0:a933851e5d22 | 98 | /* Notify the EthernetInterface driver that WLAN was connected */ |
tousaki | 0:a933851e5d22 | 99 | WlanBP3595_Connected(); |
tousaki | 0:a933851e5d22 | 100 | } else { |
tousaki | 0:a933851e5d22 | 101 | /* Notify the EthernetInterface driver that WLAN was disconnected */ |
tousaki | 0:a933851e5d22 | 102 | WlanBP3595_Disconnected(); |
tousaki | 0:a933851e5d22 | 103 | } |
tousaki | 0:a933851e5d22 | 104 | } |
tousaki | 0:a933851e5d22 | 105 | } |
tousaki | 0:a933851e5d22 | 106 | |
tousaki | 0:a933851e5d22 | 107 | static int _wlan_init() { |
tousaki | 0:a933851e5d22 | 108 | uint32_t status; |
tousaki | 0:a933851e5d22 | 109 | |
tousaki | 0:a933851e5d22 | 110 | /* Initialize WlanBP3595 */ |
tousaki | 0:a933851e5d22 | 111 | if (WlanBP3595_Init(&_wlan_inf_callback) != 0) { |
tousaki | 0:a933851e5d22 | 112 | return -1; |
tousaki | 0:a933851e5d22 | 113 | } |
tousaki | 0:a933851e5d22 | 114 | |
tousaki | 0:a933851e5d22 | 115 | /* Wait until WLAN_BP3595_START timeout 60s */ |
tousaki | 0:a933851e5d22 | 116 | while (1) { |
tousaki | 0:a933851e5d22 | 117 | Thread::wait(200); |
tousaki | 0:a933851e5d22 | 118 | status = WlanBP3595_GetWlanSts(); |
tousaki | 0:a933851e5d22 | 119 | if (status == WLAN_BP3595_START) { |
tousaki | 0:a933851e5d22 | 120 | break; |
tousaki | 0:a933851e5d22 | 121 | } |
tousaki | 0:a933851e5d22 | 122 | } |
tousaki | 0:a933851e5d22 | 123 | |
tousaki | 0:a933851e5d22 | 124 | return 0; |
tousaki | 0:a933851e5d22 | 125 | } |
tousaki | 0:a933851e5d22 | 126 | |
tousaki | 0:a933851e5d22 | 127 | static int _wlan_setting(const char *ssid, const char *pass, nsapi_security_t security) |
tousaki | 0:a933851e5d22 | 128 | { |
tousaki | 0:a933851e5d22 | 129 | int ret; |
tousaki | 0:a933851e5d22 | 130 | grp_u8 ucWidData8; // 8bit wid data |
tousaki | 0:a933851e5d22 | 131 | grp_wld_byte_array tBAWidData; // byte array wid data |
tousaki | 0:a933851e5d22 | 132 | |
tousaki | 0:a933851e5d22 | 133 | // Set BSS type |
tousaki | 0:a933851e5d22 | 134 | ucWidData8 = BSS_TYPE; |
tousaki | 0:a933851e5d22 | 135 | ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_SET_BSS_TYPE, &ucWidData8); |
tousaki | 0:a933851e5d22 | 136 | if (ret != 0) { |
tousaki | 0:a933851e5d22 | 137 | return -1; |
tousaki | 0:a933851e5d22 | 138 | } |
tousaki | 0:a933851e5d22 | 139 | |
tousaki | 0:a933851e5d22 | 140 | // Set SSID |
tousaki | 0:a933851e5d22 | 141 | tBAWidData.pucData = (grp_u8 *)ssid; |
tousaki | 0:a933851e5d22 | 142 | tBAWidData.ulSize = strlen((char *)tBAWidData.pucData); |
tousaki | 0:a933851e5d22 | 143 | ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_SET_SSID, &tBAWidData); |
tousaki | 0:a933851e5d22 | 144 | if (ret != 0) { |
tousaki | 0:a933851e5d22 | 145 | return -1; |
tousaki | 0:a933851e5d22 | 146 | } |
tousaki | 0:a933851e5d22 | 147 | |
tousaki | 0:a933851e5d22 | 148 | if ((security == NSAPI_SECURITY_WPA) || (security == NSAPI_SECURITY_WPA2)) { |
tousaki | 0:a933851e5d22 | 149 | // Set PSK |
tousaki | 0:a933851e5d22 | 150 | tBAWidData.pucData = (grp_u8 *)pass; |
tousaki | 0:a933851e5d22 | 151 | tBAWidData.ulSize = strlen((char *)tBAWidData.pucData); |
tousaki | 0:a933851e5d22 | 152 | ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_SET_11I_PSK, &tBAWidData); |
tousaki | 0:a933851e5d22 | 153 | if (ret != 0) { |
tousaki | 0:a933851e5d22 | 154 | return -1; |
tousaki | 0:a933851e5d22 | 155 | } |
tousaki | 0:a933851e5d22 | 156 | } |
tousaki | 0:a933851e5d22 | 157 | |
tousaki | 0:a933851e5d22 | 158 | // Set 11i mode |
tousaki | 0:a933851e5d22 | 159 | switch (security) { |
tousaki | 0:a933851e5d22 | 160 | case NSAPI_SECURITY_WEP: |
tousaki | 0:a933851e5d22 | 161 | ret = strlen(pass); |
tousaki | 0:a933851e5d22 | 162 | if (ret == 5) { |
tousaki | 0:a933851e5d22 | 163 | ucWidData8 = 0x03; // WEP64 |
tousaki | 0:a933851e5d22 | 164 | } else if (ret == 13) { |
tousaki | 0:a933851e5d22 | 165 | ucWidData8 = 0x07; // WEP128 |
tousaki | 0:a933851e5d22 | 166 | } else { |
tousaki | 0:a933851e5d22 | 167 | return -1; |
tousaki | 0:a933851e5d22 | 168 | } |
tousaki | 0:a933851e5d22 | 169 | break; |
tousaki | 0:a933851e5d22 | 170 | case NSAPI_SECURITY_WPA: |
tousaki | 0:a933851e5d22 | 171 | case NSAPI_SECURITY_WPA2: |
tousaki | 0:a933851e5d22 | 172 | ucWidData8 = 0x79; // WPA/WPA2 Mixed |
tousaki | 0:a933851e5d22 | 173 | break; |
tousaki | 0:a933851e5d22 | 174 | case NSAPI_SECURITY_NONE: |
tousaki | 0:a933851e5d22 | 175 | default: |
tousaki | 0:a933851e5d22 | 176 | ucWidData8 = 0x00; |
tousaki | 0:a933851e5d22 | 177 | break; |
tousaki | 0:a933851e5d22 | 178 | } |
tousaki | 0:a933851e5d22 | 179 | ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_SET_11I_MODE, &ucWidData8); |
tousaki | 0:a933851e5d22 | 180 | if (ret != 0) { |
tousaki | 0:a933851e5d22 | 181 | return -1; |
tousaki | 0:a933851e5d22 | 182 | } |
tousaki | 0:a933851e5d22 | 183 | |
tousaki | 0:a933851e5d22 | 184 | if (security == NSAPI_SECURITY_WEP) { |
tousaki | 0:a933851e5d22 | 185 | // Set WEP KEY |
tousaki | 0:a933851e5d22 | 186 | tBAWidData.pucData = (grp_u8 *)pass; |
tousaki | 0:a933851e5d22 | 187 | tBAWidData.ulSize = strlen((char *)tBAWidData.pucData); |
tousaki | 0:a933851e5d22 | 188 | ret = WlanBP3595_Ioctl(GRP_WLD_IOCTL_SET_WEP_KEY, &tBAWidData); |
tousaki | 0:a933851e5d22 | 189 | if (ret != 0) { |
tousaki | 0:a933851e5d22 | 190 | return -1; |
tousaki | 0:a933851e5d22 | 191 | } |
tousaki | 0:a933851e5d22 | 192 | } |
tousaki | 0:a933851e5d22 | 193 | |
tousaki | 0:a933851e5d22 | 194 | return 0; |
tousaki | 0:a933851e5d22 | 195 | } |
tousaki | 0:a933851e5d22 | 196 | |
tousaki | 0:a933851e5d22 | 197 | // LWIPBP3595Interface implementation |
tousaki | 0:a933851e5d22 | 198 | int LWIPBP3595Interface::connect( |
tousaki | 0:a933851e5d22 | 199 | const char *ssid, |
tousaki | 0:a933851e5d22 | 200 | const char *pass, |
tousaki | 0:a933851e5d22 | 201 | nsapi_security_t security) |
tousaki | 0:a933851e5d22 | 202 | { |
tousaki | 0:a933851e5d22 | 203 | _wlan_init(); |
tousaki | 0:a933851e5d22 | 204 | |
tousaki | 0:a933851e5d22 | 205 | // Set up network |
tousaki | 0:a933851e5d22 | 206 | init_netif(0, 0, 0); |
tousaki | 0:a933851e5d22 | 207 | set_mac_address(); |
tousaki | 0:a933851e5d22 | 208 | |
tousaki | 0:a933851e5d22 | 209 | _wlan_setting(ssid, pass, security); |
tousaki | 0:a933851e5d22 | 210 | |
tousaki | 0:a933851e5d22 | 211 | // Connect to network |
tousaki | 0:a933851e5d22 | 212 | wifi_arch_enable_interrupts(); |
tousaki | 0:a933851e5d22 | 213 | |
tousaki | 0:a933851e5d22 | 214 | dhcp_start(&netif); |
tousaki | 0:a933851e5d22 | 215 | |
tousaki | 0:a933851e5d22 | 216 | // Wait for an IP Address |
tousaki | 0:a933851e5d22 | 217 | // -1: error, 0: timeout |
tousaki | 0:a933851e5d22 | 218 | if (netif_up.wait(LWIP_TIMEOUT) < 0) { |
tousaki | 0:a933851e5d22 | 219 | return NSAPI_ERROR_DHCP_FAILURE; |
tousaki | 0:a933851e5d22 | 220 | } |
tousaki | 0:a933851e5d22 | 221 | |
tousaki | 0:a933851e5d22 | 222 | return 0; |
tousaki | 0:a933851e5d22 | 223 | } |
tousaki | 0:a933851e5d22 | 224 | |
tousaki | 0:a933851e5d22 | 225 | int LWIPBP3595Interface::disconnect() |
tousaki | 0:a933851e5d22 | 226 | { |
tousaki | 0:a933851e5d22 | 227 | dhcp_release(&netif); |
tousaki | 0:a933851e5d22 | 228 | dhcp_stop(&netif); |
tousaki | 0:a933851e5d22 | 229 | |
tousaki | 0:a933851e5d22 | 230 | wifi_arch_disable_interrupts(); |
tousaki | 0:a933851e5d22 | 231 | |
tousaki | 0:a933851e5d22 | 232 | return 0; |
tousaki | 0:a933851e5d22 | 233 | } |
tousaki | 0:a933851e5d22 | 234 | |
tousaki | 0:a933851e5d22 | 235 | const char *LWIPBP3595Interface::get_ip_address() |
tousaki | 0:a933851e5d22 | 236 | { |
tousaki | 0:a933851e5d22 | 237 | return ip_addr; |
tousaki | 0:a933851e5d22 | 238 | } |
tousaki | 0:a933851e5d22 | 239 | |
tousaki | 0:a933851e5d22 | 240 | const char *LWIPBP3595Interface::get_mac_address() |
tousaki | 0:a933851e5d22 | 241 | { |
tousaki | 0:a933851e5d22 | 242 | return mac_addr; |
tousaki | 0:a933851e5d22 | 243 | } |