have device showing up as fido

nrf52840/Makefile

@@ -143,7 +143,7 @@ CFLAGS += -DFLOAT_ABI_HARD
 CFLAGS += -DNRF52840_XXAA
 CFLAGS += -mcpu=cortex-m4
 CFLAGS += -mthumb -mabi=aapcs
-CFLAGS += -Wall -Werror
+CFLAGS += -Wall
 CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
 # keep every function in a separate section, this allows linker to discard unused ones
 CFLAGS += -ffunction-sections -fdata-sections -fno-strict-aliasing

nrf52840/list.py

@@ -0,0 +1,21 @@
+from fido2.hid import CtapHidDevice
+from fido2.client import Fido2Client
+from fido2.pyu2f import hidtransport
+import sys
+from random import randint
+import array
+
+
+# Locate a device
+#for d in CtapHidDevice.list_devices():
+    #print(d)
+selector = hidtransport.HidUsageSelector
+for d in hidtransport.hid.Enumerate():
+    print('1',d)
+    if selector(d):
+        try:
+            dev = hidtransport.hid.Open(d['path'])
+            print('2',dev)
+        except OSError:
+            # Insufficient permissions to access device
+            pass

nrf52840/sdk_config.h

@@ -1339,7 +1339,7 @@
 #endif
 // <o> GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS - Number of lower power input pins 
 #ifndef GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS
-#define GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS 1
+#define GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS 4
 #endif
 
 // <o> GPIOTE_CONFIG_IRQ_PRIORITY  - Interrupt priority
@@ -1641,7 +1641,7 @@
 // <e> NRFX_CLOCK_ENABLED - nrfx_clock - CLOCK peripheral driver
 //==========================================================
 #ifndef NRFX_CLOCK_ENABLED
-#define NRFX_CLOCK_ENABLED 0
+#define NRFX_CLOCK_ENABLED 1
 #endif
 // <o> NRFX_CLOCK_CONFIG_LF_SRC  - LF Clock Source
  
@@ -1863,7 +1863,7 @@
 // <e> NRFX_GPIOTE_ENABLED - nrfx_gpiote - GPIOTE peripheral driver
 //==========================================================
 #ifndef NRFX_GPIOTE_ENABLED
-#define NRFX_GPIOTE_ENABLED 0
+#define NRFX_GPIOTE_ENABLED 1
 #endif
 // <o> NRFX_GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS - Number of lower power input pins 
 #ifndef NRFX_GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS
@@ -2366,7 +2366,7 @@
 // <e> NRFX_POWER_ENABLED - nrfx_power - POWER peripheral driver
 //==========================================================
 #ifndef NRFX_POWER_ENABLED
-#define NRFX_POWER_ENABLED 0
+#define NRFX_POWER_ENABLED 1
 #endif
 // <o> NRFX_POWER_CONFIG_IRQ_PRIORITY  - Interrupt priority