code format

9 files changed, 70 insertions, 362 deletions

diff --git a/ports/nrf/Makefile b/ports/nrf/Makefile
index 36778ba22..aa7921587 100755
--- a/ports/nrf/Makefile
+++ b/ports/nrf/Makefile
@@ -107,6 +107,8 @@ SRC_C += \
 	fatfs_port.c \
 	fifo.c \
 	tick.c \
+	background.c \
+	internal_flash.c \
 	drivers/softpwm.c \
 	drivers/ticker.c \
 	drivers/bluetooth/ble_drv.c \
@@ -115,7 +117,6 @@ SRC_C += \
 	nrfx/mdk/system_$(MCU_SUB_VARIANT).c \
 	nrfx/hal/nrf_nvmc.c \
 	device/$(MCU_VARIANT)/startup_$(MCU_SUB_VARIANT).c \
-	background.c \
 	lib/oofatfs/ff.c \
 	lib/oofatfs/option/ccsbcs.c \
 	lib/timeutils/timeutils.c \
@@ -126,25 +127,23 @@ SRC_C += \
 	lib/utils/stdout_helpers.c \
 	lib/libc/string0.c \
 	lib/mp-readline/readline.c \
-	internal_flash.c \
 
 ifeq ($(MCU_SUB_VARIANT),nrf52840)
 
 SRC_C += \
 	usb/tusb_descriptors.c \
 	usb/usb_msc_flash.c \
-  lib/tinyusb/src/portable/nordic/nrf5x/dcd_nrf5x.c \
-  lib/tinyusb/src/portable/nordic/nrf5x/hal_nrf5x.c \
-  lib/tinyusb/src/common/tusb_fifo.c \
-  lib/tinyusb/src/device/usbd.c \
-  lib/tinyusb/src/device/usbd_desc.c \
-  lib/tinyusb/src/class/msc/msc_device.c \
-  lib/tinyusb/src/class/cdc/cdc_device.c \
-  lib/tinyusb/src/tusb.c \
+	lib/tinyusb/src/portable/nordic/nrf5x/dcd_nrf5x.c \
+	lib/tinyusb/src/portable/nordic/nrf5x/hal_nrf5x.c \
+	lib/tinyusb/src/common/tusb_fifo.c \
+	lib/tinyusb/src/device/usbd.c \
+	lib/tinyusb/src/device/usbd_desc.c \
+	lib/tinyusb/src/class/msc/msc_device.c \
+	lib/tinyusb/src/class/cdc/cdc_device.c \
+	lib/tinyusb/src/tusb.c \
   
 endif
 
-
 DRIVERS_SRC_C += $(addprefix modules/,\
 	ubluepy/modubluepy.c \
 	ubluepy/ubluepy_peripheral.c \
@@ -264,7 +263,6 @@ hex: $(BUILD)/$(OUTPUT_FILENAME).hex
 $(BUILD)/$(OUTPUT_FILENAME).hex: $(BUILD)/$(OUTPUT_FILENAME).elf
 	$(OBJCOPY) -O ihex $< $@
 
-
 #####################
 # Flash with debugger
 #####################
@@ -300,7 +298,6 @@ sd: $(BUILD)/$(OUTPUT_FILENAME).hex
 
 endif
 
-
 #####################
 # Flash with DFU
 #####################
@@ -312,7 +309,6 @@ else
    NRFUTIL = nrfutil
 endif
 
-
 check_defined = \
     $(strip $(foreach 1,$1, \
     $(call __check_defined,$1,$(strip $(value 2)))))
@@ -335,8 +331,6 @@ uf2: $(BUILD)/$(OUTPUT_FILENAME).hex
 	$(ECHO) "Create $(OUTPUT_FILENAME).uf2"
 	$(PYTHON2) $(TOP)/tools/uf2/utils/uf2conv.py -f 0xADA52840 -c -o "$(BUILD)/$(OUTPUT_FILENAME).uf2" $^
 
-
-
 $(BUILD)/dfu-package.zip: dfu-gen
 
 $(BUILD)/$(OUTPUT_FILENAME).elf: $(OBJ)
diff --git a/ports/nrf/background.c b/ports/nrf/background.c
index 094da5d9c..9f8c8b34b 100644
--- a/ports/nrf/background.c
+++ b/ports/nrf/background.c
@@ -1,44 +1,32 @@
-/**************************************************************************/
-/*!
-    @file     background.c
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2018, Adafruit Industries (adafruit.com)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-/**************************************************************************/
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
 
 #include "tusb.h"
 
-
 void run_background_tasks(void) {
-
 #ifdef NRF52840_XXAA
     tusb_task();
     tud_cdc_flush();
diff --git a/ports/nrf/boards/pca10056/board.c b/ports/nrf/boards/pca10056/board.c
index cee269ee6..f97be0748 100644
--- a/ports/nrf/boards/pca10056/board.c
+++ b/ports/nrf/boards/pca10056/board.c
@@ -83,8 +83,7 @@ void tud_umount_cb(uint8_t rhport) {
     (void) rhport;
 }
 
-uint32_t tusb_hal_millis(void)
-{
+uint32_t tusb_hal_millis(void) {
     uint64_t ms;
     uint32_t us;
     current_tick(&ms, &us);
diff --git a/ports/nrf/boards/pca10056/mpconfigboard.h b/ports/nrf/boards/pca10056/mpconfigboard.h
index b85a2fc9b..8195e1947 100644
--- a/ports/nrf/boards/pca10056/mpconfigboard.h
+++ b/ports/nrf/boards/pca10056/mpconfigboard.h
@@ -35,7 +35,6 @@
 #define PORT_HEAP_SIZE              (128 * 1024)
 #define CIRCUITPY_AUTORELOAD_DELAY_MS 500
 
-
 // Temp (could be removed) 0: usb cdc (default), 1 : hwuart (jlink)
 #define CFG_HWUART_FOR_SERIAL        0
 
diff --git a/ports/nrf/drivers/bluetooth/ble_uart.c b/ports/nrf/drivers/bluetooth/ble_uart.c
index e3501aa14..52c042f7b 100644
--- a/ports/nrf/drivers/bluetooth/ble_uart.c
+++ b/ports/nrf/drivers/bluetooth/ble_uart.c
@@ -34,10 +34,6 @@
 
 #if MICROPY_PY_BLE_NUS
 
-#if BLUETOOTH_WEBBLUETOOTH_REPL
-//#include "hal_time.h"
-#endif // BLUETOOTH_WEBBLUETOOTH_REPL
-
 static ubluepy_uuid_obj_t uuid_obj_service = {
     .base.type = &ubluepy_uuid_type,
     .type = UBLUEPY_UUID_128_BIT,
diff --git a/ports/nrf/internal_flash.c b/ports/nrf/internal_flash.c
index 35e0ae8b7..75c114a5c 100644
--- a/ports/nrf/internal_flash.c
+++ b/ports/nrf/internal_flash.c
@@ -42,19 +42,15 @@
 #include "nrf_sdm.h"
 #endif
 
-/*------------------------------------------------------------------*/
-/* VARIABLES
- *------------------------------------------------------------------*/
-
 // defined in linker
 extern uint32_t __fatfs_flash_start_addr[];
 extern uint32_t __fatfs_flash_length[];
 
-#define NO_CACHE 0xffffffff
-#define FL_PAGE_SZ              4096
+#define NO_CACHE        0xffffffff
+#define FL_PAGE_SZ      4096
 
-uint8_t  _fl_cache[FL_PAGE_SZ] __attribute__((aligned(4)));
-uint32_t _fl_pg_addr = NO_CACHE;
+uint8_t  _flash_cache[FL_PAGE_SZ] __attribute__((aligned(4)));
+uint32_t _flash_page_addr = NO_CACHE;
 
 
 /*------------------------------------------------------------------*/
@@ -66,14 +62,14 @@ static inline uint32_t lba2addr(uint32_t block) {
 
 void internal_flash_init(void) {
     // Activity LED for flash writes.
-    #ifdef MICROPY_HW_LED_MSC
-        struct port_config pin_conf;
-        port_get_config_defaults(&pin_conf);
-
-        pin_conf.direction  = PORT_PIN_DIR_OUTPUT;
-        port_pin_set_config(MICROPY_HW_LED_MSC, &pin_conf);
-        port_pin_set_output_level(MICROPY_HW_LED_MSC, false);
-    #endif
+#ifdef MICROPY_HW_LED_MSC
+    struct port_config pin_conf;
+    port_get_config_defaults(&pin_conf);
+
+    pin_conf.direction  = PORT_PIN_DIR_OUTPUT;
+    port_pin_set_config(MICROPY_HW_LED_MSC, &pin_conf);
+    port_pin_set_output_level(MICROPY_HW_LED_MSC, false);
+#endif
 }
 
 uint32_t internal_flash_get_block_size(void) {
@@ -86,16 +82,16 @@ uint32_t internal_flash_get_block_count(void) {
 
 // TODO support flashing with SD enabled
 void internal_flash_flush(void) {
-    if (_fl_pg_addr == NO_CACHE) return;
+    if (_flash_page_addr == NO_CACHE) return;
 
     // Skip if data is the same
-    if (memcmp(_fl_cache, (void *)_fl_pg_addr, FL_PAGE_SZ) != 0) {
+    if (memcmp(_flash_cache, (void *)_flash_page_addr, FL_PAGE_SZ) != 0) {
 //        _is_flashing = true;
-        nrf_nvmc_page_erase(_fl_pg_addr);
-        nrf_nvmc_write_words(_fl_pg_addr, (uint32_t *)_fl_cache, FL_PAGE_SZ / sizeof(uint32_t));
+        nrf_nvmc_page_erase(_flash_page_addr);
+        nrf_nvmc_write_words(_flash_page_addr, (uint32_t *)_flash_cache, FL_PAGE_SZ / sizeof(uint32_t));
     }
 
-    _fl_pg_addr = NO_CACHE;
+    _flash_page_addr = NO_CACHE;
 }
 
 mp_uint_t internal_flash_read_blocks(uint8_t *dest, uint32_t block, uint32_t num_blocks) {
@@ -106,39 +102,39 @@ mp_uint_t internal_flash_read_blocks(uint8_t *dest, uint32_t block, uint32_t num
 
 mp_uint_t internal_flash_write_blocks(const uint8_t *src, uint32_t lba, uint32_t num_blocks) {
 
-    #ifdef MICROPY_HW_LED_MSC
+#ifdef MICROPY_HW_LED_MSC
     port_pin_set_output_level(MICROPY_HW_LED_MSC, true);
-    #endif
+#endif
 
     while (num_blocks) {
         uint32_t const addr      = lba2addr(lba);
         uint32_t const page_addr = addr & ~(FL_PAGE_SZ - 1);
 
-        uint32_t count = 8 - (lba%8); // up to page boundary
+        uint32_t count = 8 - (lba % 8); // up to page boundary
         count = MIN(num_blocks, count);
 
-        if (page_addr != _fl_pg_addr) {
+        if (page_addr != _flash_page_addr) {
             internal_flash_flush();
 
             // writing previous cached data, skip current data until flashing is done
             // tinyusb stack will invoke write_block() with the same parameters later on
             //        if ( _is_flashing ) return;
 
-            _fl_pg_addr = page_addr;
-            memcpy(_fl_cache, (void *)page_addr, FL_PAGE_SZ);
+            _flash_page_addr = page_addr;
+            memcpy(_flash_cache, (void *)page_addr, FL_PAGE_SZ);
         }
 
-        memcpy(_fl_cache + (addr & (FL_PAGE_SZ - 1)), src, count*FILESYSTEM_BLOCK_SIZE);
+        memcpy(_flash_cache + (addr & (FL_PAGE_SZ - 1)), src, count * FILESYSTEM_BLOCK_SIZE);
 
         // adjust for next run
         lba        += count;
-        src        += count*FILESYSTEM_BLOCK_SIZE;
+        src        += count * FILESYSTEM_BLOCK_SIZE;
         num_blocks -= count;
     }
 
-    #ifdef MICROPY_HW_LED_MSC
+#ifdef MICROPY_HW_LED_MSC
     port_pin_set_output_level(MICROPY_HW_LED_MSC, false);
-    #endif
+#endif
 
     return 0; // success
 }
@@ -203,6 +199,10 @@ const mp_obj_type_t internal_flash_type = {
     .locals_dict = (mp_obj_t)&internal_flash_obj_locals_dict,
 };
 
+/*------------------------------------------------------------------*/
+/* Flash API
+ *------------------------------------------------------------------*/
+
 void flash_init_vfs(fs_user_mount_t *vfs) {
     vfs->base.type = &mp_fat_vfs_type;
     vfs->flags |= FSUSER_NATIVE | FSUSER_HAVE_IOCTL;
diff --git a/ports/nrf/mphalport.c b/ports/nrf/mphalport.c
index 2266f84a2..c9d141b26 100644
--- a/ports/nrf/mphalport.c
+++ b/ports/nrf/mphalport.c
@@ -85,7 +85,7 @@ int mp_hal_stdin_rx_chr(void) {
 }
 
 bool mp_hal_stdin_any(void) {
-  return tud_cdc_available() > 0;
+    return tud_cdc_available() > 0;
 }
 
 void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
@@ -128,80 +128,3 @@ void mp_hal_delay_ms(mp_uint_t delay) {
     }
 }
 
-void mp_hal_delay_us(mp_uint_t us)
-{
-    register uint32_t delay __ASM ("r0") = us;
-    __ASM volatile (
-#ifdef NRF51
-            ".syntax unified\n"
-#endif
-        "1:\n"
-        " SUBS %0, %0, #1\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-#ifdef NRF52
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-        " NOP\n"
-#endif
-        " BNE 1b\n"
-#ifdef NRF51
-        ".syntax divided\n"
-#endif
-        : "+r" (delay));
-}
-
-
diff --git a/ports/nrf/mphalport.h b/ports/nrf/mphalport.h
index a217d8896..fe43cec16 100644
--- a/ports/nrf/mphalport.h
+++ b/ports/nrf/mphalport.h
@@ -50,5 +50,7 @@ int mp_hal_stdin_rx_chr(void);
 void mp_hal_stdout_tx_str(const char *str);
 bool mp_hal_stdin_any(void);
 
+#define mp_hal_delay_us(us)     NRFX_DELAY_US((uint32_t) us)
+
 #endif
 
diff --git a/ports/nrf/usb/nrf_drv_usbd_errata.h b/ports/nrf/usb/nrf_drv_usbd_errata.h
deleted file mode 100644
index f8c554f08..000000000
--- a/ports/nrf/usb/nrf_drv_usbd_errata.h
+++ /dev/null
@@ -1,193 +0,0 @@
-/**
- * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
- * 
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * 
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- * 
- * 2. Redistributions in binary form, except as embedded into a Nordic
- *    Semiconductor ASA integrated circuit in a product or a software update for
- *    such product, must reproduce the above copyright notice, this list of
- *    conditions and the following disclaimer in the documentation and/or other
- *    materials provided with the distribution.
- * 
- * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
- *    contributors may be used to endorse or promote products derived from this
- *    software without specific prior written permission.
- * 
- * 4. This software, with or without modification, must only be used with a
- *    Nordic Semiconductor ASA integrated circuit.
- * 
- * 5. Any software provided in binary form under this license must not be reverse
- *    engineered, decompiled, modified and/or disassembled.
- * 
- * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
- */
-
-#ifndef NRF_DRV_USBD_ERRATA_H__
-#define NRF_DRV_USBD_ERRATA_H__
-
-#include <stdbool.h>
-/**
- * @defgroup nrf_drv_usbd_errata Functions to check if selected PAN is present in current chip
- * @{
- * @ingroup nrf_drv_usbd
- *
- * Functions here are checking the presence of an error in current chip.
- * The checking is done at runtime based on the microcontroller version.
- * This file is subject to removal when nRF51840 prototype support is removed.
- */
-
-#ifndef NRF_DRV_USBD_ERRATA_ENABLE
-/**
- * @brief The constant that informs if errata should be enabled at all
- *
- * If this constant is set to 0, all the Errata bug fixes will be automatically disabled.
- */
-#define NRF_DRV_USBD_ERRATA_ENABLE 1
-#endif
-
-/**
- * @brief Internal auxiliary function to check if the program is running on NRF52840 chip
- * @retval true  It is NRF52480 chip
- * @retval false It is other chip
- */
-static inline bool nrf_drv_usbd_errata_type_52840(void)
-{
-    return ((((*(uint32_t *)0xF0000FE0) & 0xFF) == 0x08) &&
-        (((*(uint32_t *)0xF0000FE4) & 0x0F) == 0x0));
-}
-
-/**
- * @brief Internal auxiliary function to check if the program is running on first sample of
- *        NRF52840 chip
- * @retval true  It is NRF52480 chip and it is first sample version
- * @retval false It is other chip
- */
-static inline bool nrf_drv_usbd_errata_type_52840_proto1(void)
-{
-    return ( nrf_drv_usbd_errata_type_52840() &&
-               ( ((*(uint32_t *)0xF0000FE8) & 0xF0) == 0x00 ) &&
-               ( ((*(uint32_t *)0xF0000FEC) & 0xF0) == 0x00 ) );
-}
-
-/**
- * @brief Internal auxiliary function to check if the program is running on first final product of
- *        NRF52840 chip
- * @retval true  It is NRF52480 chip and it is first final product
- * @retval false It is other chip
- */
-static inline bool nrf_drv_usbd_errata_type_52840_fp1(void)
-{
-    return ( nrf_drv_usbd_errata_type_52840() &&
-               ( ((*(uint32_t *)0xF0000FE8) & 0xF0) == 0x20 ) &&
-               ( ((*(uint32_t *)0xF0000FEC) & 0xF0) == 0x00 ) );
-}
-
-/**
- * @brief Function to check if chip requires errata 104
- *
- * Errata: USBD: EPDATA event is not always generated.
- *
- * @retval true  Errata should be implemented
- * @retval false Errata should not be implemented
- */
-static inline bool nrf_drv_usbd_errata_104(void)
-{
-    return NRF_DRV_USBD_ERRATA_ENABLE && nrf_drv_usbd_errata_type_52840_proto1();
-}
-
-/**
- * @brief Function to check if chip requires errata 154
- *
- * Errata: During setup read/write transfer USBD acknowledges setup stage without SETUP task.
- *
- * @retval true  Errata should be implemented
- * @retval false Errata should not be implemented
- */
-static inline bool nrf_drv_usbd_errata_154(void)
-{
-    return NRF_DRV_USBD_ERRATA_ENABLE && nrf_drv_usbd_errata_type_52840_proto1();
-}
-
-/**
- * @brief Function to check if chip requires errata 166
- *
- * Errata: ISO double buffering not functional
- *
- * @retval true  Errata should be implemented
- * @retval false Errata should not be implemented
- */
-static inline bool nrf_drv_usbd_errata_166(void)
-{
-    return NRF_DRV_USBD_ERRATA_ENABLE && true;
-}
-
-/**
- * @brief Function to check if chip requires errata 171
- *
- * Errata: USBD might not reach its active state.
- *
- * @retval true  Errata should be implemented
- * @retval false Errata should not be implemented
- */
-static inline bool nrf_drv_usbd_errata_171(void)
-{
-    return NRF_DRV_USBD_ERRATA_ENABLE && true;
-}
-
-/**
- * @brief Function to check if chip requires errata 187
- *
- * Errata: USB cannot be enabled
- *
- * @retval true  Errata should be implemented
- * @retval false Errata should not be implemented
- */
-static inline bool nrf_drv_usbd_errata_187(void)
-{
-    return NRF_DRV_USBD_ERRATA_ENABLE && nrf_drv_usbd_errata_type_52840_fp1();
-}
-
-/**
- * @brief Function to check if chip requires errata ???
- *
- * Errata: SIZE.EPOUT not writable
- *
- * @retval true  Errata should be implemented
- * @retval false Errata should not be implemented
- */
-static inline bool nrf_drv_usbd_errata_sizeepout_rw(void)
-{
-    return NRF_DRV_USBD_ERRATA_ENABLE && nrf_drv_usbd_errata_type_52840_proto1();
-}
-
-/**
- * @brief Function to check if chip requires errata 199
- *
- * Errata: USBD cannot receive tasks during DMA
- *
- * @retval true  Errata should be implemented
- * @retval false Errata should not be implemented
- */
-static inline bool nrf_drv_usb_errata_199(void)
-{
-    return NRF_DRV_USBD_ERRATA_ENABLE && true;
-}
-
-/** @} */
-#endif /* NRF_DRV_USBD_ERRATA_H__ */