0038-RP2040-usb-fix-USB_DEVICE_ENUMERATION_FIX-linking.patch

From b10230cc4b58ef5f04f89ad273a002a2f8a8e36b Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Mon, 8 Mar 2021 10:06:58 +0100
Subject: [PATCH 038/204] RP2040: usb: fix USB_DEVICE_ENUMERATION_FIX linking

---
 .../TARGET_RASPBERRYPI/TARGET_RP2040/USBPhy_RP2040.cpp   | 9 +++++++++
 targets/targets.json                                     | 1 +
 2 files changed, 10 insertions(+)

diff --git a/targets/TARGET_RASPBERRYPI/TARGET_RP2040/USBPhy_RP2040.cpp b/targets/TARGET_RASPBERRYPI/TARGET_RP2040/USBPhy_RP2040.cpp
index 2ef354035d..c88bdcc573 100644
--- a/targets/TARGET_RASPBERRYPI/TARGET_RP2040/USBPhy_RP2040.cpp
+++ b/targets/TARGET_RASPBERRYPI/TARGET_RP2040/USBPhy_RP2040.cpp
@@ -16,6 +16,11 @@
  */
 
 #include "USBPhyHw.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 // USB register definitions from pico-sdk
 #include "hardware/regs/usb.h"
 // USB hardware struct definitions from pico-sdk
@@ -29,6 +34,10 @@
 #include "rp2040_usb_device_enumeration.h"
 #endif
 
+#ifdef __cplusplus
+}
+#endif
+
 // These accessor functions are used to implement bit clear / bit sets through
 // an atomic alias (this handles the state where both cores can access a register
 // and cause a bit loss through a read-modify-write access)
diff --git a/targets/targets.json b/targets/targets.json
index ba6bcb6946..46935c0609 100644
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -9437,6 +9437,7 @@
     "NANO_RP2040_CONNECT": {
         "inherits": ["RP2040"],
         "macros_add": [
+            "PICO_RP2040_USB_DEVICE_ENUMERATION_FIX=1",
             "PICO_NO_BINARY_INFO=1",
             "MBED_MPU_CUSTOM",
             "PICO_TIME_DEFAULT_ALARM_POOL_DISABLED",
-- 
2.39.1