Pico Wireless: WiFi Network scan example

examples/pico_wireless/CMakeLists.txt

@@ -2,3 +2,4 @@ include("${CMAKE_CURRENT_LIST_DIR}/demo.cmake")
 include("${CMAKE_CURRENT_LIST_DIR}/rgb_http.cmake")
 include("${CMAKE_CURRENT_LIST_DIR}/cheerlights.cmake")
 include("${CMAKE_CURRENT_LIST_DIR}/sdcard_http.cmake")
+include("${CMAKE_CURRENT_LIST_DIR}/wifi_networks.cmake")

examples/pico_wireless/wifi_networks.cmake

@@ -0,0 +1,14 @@
+add_executable(
+  wireless_networks
+  wifi_networks.cpp
+)
+
+# enable usb output, disable uart output
+pico_enable_stdio_usb(wireless_networks 1)
+pico_enable_stdio_uart(wireless_networks 1)
+
+# Pull in pico libraries that we need
+target_link_libraries(wireless_networks pico_stdlib pico_wireless)
+
+# create map/bin/hex file etc.
+pico_add_extra_outputs(wireless_networks)

examples/pico_wireless/wifi_networks.cpp

@@ -0,0 +1,60 @@
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include "pico/stdlib.h"
+#include "hardware/uart.h"
+#include "hardware/gpio.h"
+#include "hardware/spi.h"
+#include "pico_wireless.hpp"
+#include <chrono>
+#include <sstream>
+#include <iomanip>
+
+using namespace pimoroni;
+
+PicoWireless wireless;
+
+
+int main() {
+    stdio_init_all(); 
+    wireless.init();
+    sleep_ms(500);
+
+    printf("firmware version Nina %s\n", wireless.get_fw_version());
+    uint8_t* mac = wireless.get_mac_address();
+    printf("mac address ");
+    for(uint i = 0; i < WL_MAC_ADDR_LENGTH; i++) {
+      printf("%d:", mac[i]);
+    }
+    printf("\n");
+
+    while (true) {
+        int networks = wireless.get_scan_networks();
+        printf("Found %d network(s)\n", networks);
+
+        for(auto network = 0; network < networks; network++) {
+            std::string ssid = wireless.get_ssid_networks(network);
+            wl_enc_type enc_type = wireless.get_enc_type_networks(network);
+            switch(enc_type) {
+                case ENC_TYPE_WEP:
+                    printf("%s (WEP)\n", ssid.c_str());
+                    break;
+                case ENC_TYPE_TKIP:
+                    printf("%s (TKIP)\n", ssid.c_str());
+                    break;
+                case ENC_TYPE_CCMP:
+                    printf("%s (CCMP)\n", ssid.c_str());
+                    break;
+                case ENC_TYPE_UNKNOWN:
+                    printf("%s (UNKNOWN)\n", ssid.c_str());
+                    break;
+                default:
+                    printf("%s\n", ssid.c_str());
+                    break;
+            }
+        }
+
+        sleep_ms(5000);
+    }
+    return 0;
+}