Revision 0:2f4d849e36e5, committed 2019-03-25

Comitter:

maclobdell

Date:

Mon Mar 25 22:50:52 2019 -0500

Commit message:

WiFi example application for LPC55S69 with ESP8266 shield/module

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LICENSE	Mon Mar 25 22:50:52 2019 -0500
@@ -0,0 +1,201 @@
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/README.md	Mon Mar 25 22:50:52 2019 -0500
@@ -0,0 +1,129 @@
+# mbed-os-example-wifi #
+
+Wi-Fi example for Mbed OS
+
+(Note: To see this example in a rendered form you can import into the Arm Mbed Online Compiler, please see [the documentation](https://os.mbed.com/docs/mbed-os/latest/apis/wi-fi.html#wi-fi-example).)
+
+## Getting started with the Wi-Fi API ##
+
+This is an example of a Wi-Fi application using the Wi-Fi APIs that [Mbed OS](https://github.com/ARMmbed/mbed-os) provides.
+
+The program brings up the Wi-Fi and the underlying network interface and uses it to scan available networks, connects to a network and prints interface and connection details.
+
+For more information about Wi-Fi APIs, please visit the [Mbed OS Wi-Fi](https://os.mbed.com/docs/latest/reference/wi-fi.html) documentation.
+
+### Supported hardware ###
+
+* All Mbed OS boards with build-in Wi-Fi module:
+    * [u-blox ODIN-W2](https://os.mbed.com/platforms/ublox-EVK-ODIN-W2/)
+    * [Realtek RTL8195AM](https://os.mbed.com/platforms/REALTEK-RTL8195AM/)
+    * [ST DISCO IOT board](https://os.mbed.com/platforms/ST-Discovery-L475E-IOT01A/) with integrated [ISM43362 WiFi Inventek module](https://github.com/ARMmbed/wifi-ism43362).
+    * [ST DISCO_F413ZH board](https://os.mbed.com/platforms/ST-Discovery-F413H/) with integrated [ISM43362 WiFi Inventek module](https://github.com/ARMmbed/wifi-ism43362).
+    * [Advantech WISE-150](https://os.mbed.com/modules/advantech-wise-1530/)
+    * USI WM-BN-BM-22
+    * MxChip EMW3166
+* Boards with external WiFi shields.
+    * [NUCLEO-F401RE](https://os.mbed.com/platforms/ST-Nucleo-F401RE/) with [X-NUCLEO-IDW04A1](http://www.st.com/content/st_com/en/products/ecosystems/stm32-open-development-environment/stm32-nucleo-expansion-boards/stm32-ode-connect-hw/x-nucleo-idw04a1.html) Wi-Fi expansion board using pins D8 and D2 _(of the Arduino connector)_.
+    * [NUCLEO-F401RE](https://os.mbed.com/platforms/ST-Nucleo-F401RE/) with [X-NUCLEO-IDW01M1](https://os.mbed.com/components/X-NUCLEO-IDW01M1/) Wi-Fi expansion board using pins PA_9 and PA_10 _(of the Morpho connector)_.
+    * [NUCLEO-F429ZI](https://os.mbed.com/platforms/ST-Nucleo-F429ZI/) with ESP8266-01 module using pins D1 and D0.
+    * Other Mbed targets with an ESP8266 module, [X-NUCLEO-IDW04A1](http://www.st.com/content/st_com/en/products/ecosystems/stm32-open-development-environment/stm32-nucleo-expansion-boards/stm32-ode-connect-hw/x-nucleo-idw04a1.html) or [X-NUCLEO-IDW01M1](https://os.mbed.com/components/X-NUCLEO-IDW01M1/) expansion board.
+
+#### Adding connectivity driver
+
+If the target does not have internal WiFi driver, or Mbed OS does not supply one, you need to add driver to your application and configure it to provide default WiFi interface.
+
+```
+mbed add <driver>
+```
+
+For example adding ISM43362 driver `mbed add wifi-ism43362` or X-Nucleo-IDW01M1 driver `mbed add wifi-x-nucleo-idw01m1`
+The ESP8266 driver is already suplied by Mbed OS.
+
+Then pin names need to be configured as instructed in the drivers README file.
+
+##  Getting started ##
+
+1. Import the example.
+
+   ```
+   mbed import mbed-os-example-wifi
+   cd mbed-os-example-wifi
+   ```
+
+1. Configure the Wi-Fi shield and settings.
+   Edit ```mbed_app.json``` to include the correct Wi-Fi shield, SSID and password:
+
+```json
+{
+    "config": {
+        "wifi-ssid": {
+            "help": "WiFi SSID",
+            "value": "\"SSID\""
+        },
+        "wifi-password": {
+            "help": "WiFi Password",
+            "value": "\"PASSWORD\""
+        }
+    },
+    "target_overrides": {
+        "*": {
+            "platform.stdio-convert-newlines": true,
+            "esp8266.provide-default" : false
+        }
+    }
+}
+```
+
+   For build-in WiFi, you do not need to set any `provide-default` values. Those are required
+   if you use external WiFi shield.
+
+   Sample ```mbed_app.json``` files are provided for ESP8266 (```mbed_app_esp8266.json```), X-NUCLEO-IDW04A1 (```mbed_app_idw04a1.json```) and X-NUCLEO-IDW01M1 (```mbed_app_idw01m1```).
+
+
+1. Compile and generate binary.
+    For example, for `GCC`:
+    ```
+    mbed compile -t GCC_ARM -m UBLOX_EVK_ODIN_W2
+    ```
+
+1. Open a serial console session with the target platform using the following parameters:
+    * **Baud rate:** 9600
+    * **Data bits:** 8
+    * **Stop bits:** 1
+    * **Parity:** None
+
+1. Copy or drag the application `mbed-os-example-wifi.bin` in the folder `mbed-os-example-wifi/BUILD/<TARGET NAME>/<PLATFORM NAME>` onto the target board.
+
+1. The serial console should display a similar output to below, indicating a successful Wi-Fi connection:
+    ```
+    WiFi example
+
+    Scan:
+    Network: Dave Hot Spot secured: Unknown BSSID: 00:01:02:03:04:05 RSSI: -58 Ch: 1
+    1 network available.
+
+    Connecting...
+    Success
+
+    MAC: 00:01:02:03:04:05
+    IP: 192.168.0.5
+    Netmask: 255.255.255.0
+    Gateway: 192.168.0.1
+    RSSI: -27
+
+    Sending HTTP request to www.arm.com...
+    sent 38 [GET / HTTP/1.1]
+    recv 64 [HTTP/1.1 301 Moved Permanently]
+
+    Done
+    ```
+
+## Troubleshooting
+
+If you have problems, you can review the [documentation](https://os.mbed.com/docs/latest/tutorials/debugging.html) for suggestions on what could be wrong and how to fix it.
+
+### License and contributions
+
+The software is provided under Apache-2.0 license. Contributions to this project are accepted under the same license. Please see contributing.md for more info.
+
+This project contains code from other projects. The original license text is included in those source files. They must comply with our license guide.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Mar 25 22:50:52 2019 -0500
@@ -0,0 +1,112 @@
+/* WiFi Example
+ * Copyright (c) 2016 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"
+
+WiFiInterface *wifi;
+
+const char *sec2str(nsapi_security_t sec)
+{
+    switch (sec) {
+        case NSAPI_SECURITY_NONE:
+            return "None";
+        case NSAPI_SECURITY_WEP:
+            return "WEP";
+        case NSAPI_SECURITY_WPA:
+            return "WPA";
+        case NSAPI_SECURITY_WPA2:
+            return "WPA2";
+        case NSAPI_SECURITY_WPA_WPA2:
+            return "WPA/WPA2";
+        case NSAPI_SECURITY_UNKNOWN:
+        default:
+            return "Unknown";
+    }
+}
+
+int scan_demo(WiFiInterface *wifi)
+{
+    WiFiAccessPoint *ap;
+
+    printf("Scan:\n");
+
+    int count = wifi->scan(NULL,0);
+
+    if (count <= 0) {
+        printf("scan() failed with return value: %d\n", count);
+        return 0;
+    }
+
+    /* Limit number of network arbitrary to 15 */
+    count = count < 15 ? count : 15;
+
+    ap = new WiFiAccessPoint[count];
+    count = wifi->scan(ap, count);
+
+    if (count <= 0) {
+        printf("scan() failed with return value: %d\n", count);
+        return 0;
+    }
+
+    for (int i = 0; i < count; i++) {
+        printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\n", ap[i].get_ssid(),
+               sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2],
+               ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel());
+    }
+    printf("%d networks available.\n", count);
+
+    delete[] ap;
+    return count;
+}
+
+int main()
+{
+    printf("WiFi example\n");
+
+#ifdef MBED_MAJOR_VERSION
+    printf("Mbed OS version %d.%d.%d\n\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
+#endif
+
+    wifi = WiFiInterface::get_default_instance();
+    if (!wifi) {
+        printf("ERROR: No WiFiInterface found.\n");
+        return -1;
+    }
+
+    int count = scan_demo(wifi);
+    if (count == 0) {
+        printf("No WIFI APs found - can't continue further.\n");
+        return -1;
+    }
+
+    printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID);
+    int ret = wifi->connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
+    if (ret != 0) {
+        printf("\nConnection error: %d\n", ret);
+        return -1;
+    }
+
+    printf("Success\n\n");
+    printf("MAC: %s\n", wifi->get_mac_address());
+    printf("IP: %s\n", wifi->get_ip_address());
+    printf("Netmask: %s\n", wifi->get_netmask());
+    printf("Gateway: %s\n", wifi->get_gateway());
+    printf("RSSI: %d\n\n", wifi->get_rssi());
+
+    wifi->disconnect();
+
+    printf("\nDone\n");
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Mon Mar 25 22:50:52 2019 -0500
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#c0939781ea1fa50657e055867193b62b1c9a6035

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json	Mon Mar 25 22:50:52 2019 -0500
@@ -0,0 +1,25 @@
+{
+    "config": {
+        "wifi-ssid": {
+            "help": "WiFi SSID",
+            "value": "\"SSID\""
+        },
+        "wifi-password": {
+            "help": "WiFi Password",
+            "value": "\"PASSWORD\""
+        }
+    },
+    "target_overrides": {
+        "*": {
+            "platform.stdio-convert-newlines": true
+        },
+        "LPC55S69": {
+            "target.network-default-interface-type" : "WIFI",
+            "esp8266.tx"                        : "D1",
+            "esp8266.rx"                        : "D0",
+            "esp8266.provide-default"           : true,
+            "drivers.uart-serial-rxbuf-size"    : 1024,
+            "drivers.uart-serial-txbuf-size"    : 1024
+          }
+    }      
+}