pico2: work around for not being able to detect wifi version of Pico2 at runtime

lib/BlueSCSI_platform_RP2040/BlueSCSI_platform.cpp

@@ -85,6 +85,31 @@ static void gpio_conf(uint gpio, gpio_function_t fn, bool pullup, bool pulldown,
     }
 }
 
+# ifndef PICO_RP2040
+/**
+ * This is a workaround until arduino framework can be updated to handle all 4 variations of
+ * Pico1/1w/2/2w. In testing this works on all for BlueSCSI.
+ * Tracking here https://github.com/earlephilhower/arduino-pico/issues/2671
+ */
+static void CheckPicoW() {
+    extern bool __isPicoW;
+    adc_init();
+    auto dir = gpio_get_dir(CYW43_PIN_WL_CLOCK);
+    auto fnc = gpio_get_function(CYW43_PIN_WL_CLOCK);
+    adc_gpio_init(CYW43_PIN_WL_CLOCK);
+    adc_select_input(3);
+    auto adc29 = adc_read();
+    gpio_set_function(CYW43_PIN_WL_CLOCK, fnc);
+    gpio_set_dir(CYW43_PIN_WL_CLOCK, dir);
+    debuglog("CheckPicoW adc29: %d", adc29);
+    if (adc29 < 200) {
+        __isPicoW = true; // PicoW || Pico2W
+    } else {
+        __isPicoW = false;
+    }
+}
+#endif
+
 #ifdef ENABLE_AUDIO_OUTPUT
 // Increases clk_sys and clk_peri to 135.428571MHz at runtime to support
 // division to audio output rates. Invoke before anything is using clk_peri
@@ -220,6 +245,10 @@ void platform_init()
     gpio_conf(SDIO_D1,        GPIO_FUNC_SIO, true, false, false, true, true);
     gpio_conf(SDIO_D2,        GPIO_FUNC_SIO, true, false, false, true, true);
 
+# ifndef PICO_RP2040
+    CheckPicoW(); // Override default Wi-Fi check for the Pico2 line.
+# endif
+
     if (!platform_network_supported()) {
         // LED pin
         gpio_conf(LED_PIN,        GPIO_FUNC_SIO, false,false, true,  false, false);

lib/BlueSCSI_platform_RP2040/BlueSCSI_platform_network.cpp

@@ -16,7 +16,6 @@
 
 #include "BlueSCSI_platform.h"
 #include "BlueSCSI_log.h"
-#include "BlueSCSI_config.h"
 #include <scsi.h>
 #include <network.h>
 
@@ -37,9 +36,8 @@ static bool network_in_use = false;
 
 bool __not_in_flash_func(platform_network_supported)()
 {
-	// FIXME: This method currently incorrectly returns true on the Pico2 (non-wifi)
-	//   Track here: https://github.com/earlephilhower/arduino-pico/issues/2671
-	return rp2040.isPicoW();
+	extern bool __isPicoW;
+	return __isPicoW;
 }
 
 #ifdef BLUESCSI_NETWORK