194 lines
6.3 KiB
C
194 lines
6.3 KiB
C
/**
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* Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef NRF_DRV_USBD_ERRATA_H__
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#define NRF_DRV_USBD_ERRATA_H__
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#include <stdbool.h>
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/**
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* @defgroup nrf_drv_usbd_errata Functions to check if selected PAN is present in current chip
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* @{
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* @ingroup nrf_drv_usbd
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*
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* Functions here are checking the presence of an error in current chip.
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* The checking is done at runtime based on the microcontroller version.
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* This file is subject to removal when nRF51840 prototype support is removed.
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*/
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#ifndef NRF_DRV_USBD_ERRATA_ENABLE
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/**
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* @brief The constant that informs if errata should be enabled at all
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*
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* If this constant is set to 0, all the Errata bug fixes will be automatically disabled.
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*/
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#define NRF_DRV_USBD_ERRATA_ENABLE 1
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#endif
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/**
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* @brief Internal auxiliary function to check if the program is running on NRF52840 chip
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* @retval true It is NRF52480 chip
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* @retval false It is other chip
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*/
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static inline bool nrf_drv_usbd_errata_type_52840(void)
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{
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return ((((*(uint32_t *)0xF0000FE0) & 0xFF) == 0x08) &&
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(((*(uint32_t *)0xF0000FE4) & 0x0F) == 0x0));
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}
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/**
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* @brief Internal auxiliary function to check if the program is running on first sample of
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* NRF52840 chip
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* @retval true It is NRF52480 chip and it is first sample version
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* @retval false It is other chip
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*/
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static inline bool nrf_drv_usbd_errata_type_52840_proto1(void)
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{
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return ( nrf_drv_usbd_errata_type_52840() &&
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( ((*(uint32_t *)0xF0000FE8) & 0xF0) == 0x00 ) &&
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( ((*(uint32_t *)0xF0000FEC) & 0xF0) == 0x00 ) );
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}
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/**
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* @brief Internal auxiliary function to check if the program is running on first final product of
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* NRF52840 chip
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* @retval true It is NRF52480 chip and it is first final product
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* @retval false It is other chip
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*/
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static inline bool nrf_drv_usbd_errata_type_52840_fp1(void)
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{
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return ( nrf_drv_usbd_errata_type_52840() &&
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( ((*(uint32_t *)0xF0000FE8) & 0xF0) == 0x20 ) &&
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( ((*(uint32_t *)0xF0000FEC) & 0xF0) == 0x00 ) );
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}
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/**
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* @brief Function to check if chip requires errata 104
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*
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* Errata: USBD: EPDATA event is not always generated.
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*
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* @retval true Errata should be implemented
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* @retval false Errata should not be implemented
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*/
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static inline bool nrf_drv_usbd_errata_104(void)
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{
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return NRF_DRV_USBD_ERRATA_ENABLE && nrf_drv_usbd_errata_type_52840_proto1();
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}
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/**
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* @brief Function to check if chip requires errata 154
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*
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* Errata: During setup read/write transfer USBD acknowledges setup stage without SETUP task.
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*
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* @retval true Errata should be implemented
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* @retval false Errata should not be implemented
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*/
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static inline bool nrf_drv_usbd_errata_154(void)
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{
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return NRF_DRV_USBD_ERRATA_ENABLE && nrf_drv_usbd_errata_type_52840_proto1();
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}
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/**
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* @brief Function to check if chip requires errata 166
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*
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* Errata: ISO double buffering not functional
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*
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* @retval true Errata should be implemented
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* @retval false Errata should not be implemented
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*/
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static inline bool nrf_drv_usbd_errata_166(void)
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{
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return NRF_DRV_USBD_ERRATA_ENABLE && true;
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}
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/**
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* @brief Function to check if chip requires errata 171
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*
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* Errata: USBD might not reach its active state.
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*
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* @retval true Errata should be implemented
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* @retval false Errata should not be implemented
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*/
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static inline bool nrf_drv_usbd_errata_171(void)
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{
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return NRF_DRV_USBD_ERRATA_ENABLE && true;
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}
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/**
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* @brief Function to check if chip requires errata 187
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*
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* Errata: USB cannot be enabled
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*
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* @retval true Errata should be implemented
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* @retval false Errata should not be implemented
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*/
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static inline bool nrf_drv_usbd_errata_187(void)
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{
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return NRF_DRV_USBD_ERRATA_ENABLE && nrf_drv_usbd_errata_type_52840_fp1();
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}
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/**
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* @brief Function to check if chip requires errata ???
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*
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* Errata: SIZE.EPOUT not writable
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*
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* @retval true Errata should be implemented
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* @retval false Errata should not be implemented
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*/
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static inline bool nrf_drv_usbd_errata_sizeepout_rw(void)
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{
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return NRF_DRV_USBD_ERRATA_ENABLE && nrf_drv_usbd_errata_type_52840_proto1();
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}
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/**
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* @brief Function to check if chip requires errata 199
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*
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* Errata: USBD cannot receive tasks during DMA
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*
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* @retval true Errata should be implemented
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* @retval false Errata should not be implemented
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*/
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static inline bool nrf_drv_usb_errata_199(void)
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{
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return NRF_DRV_USBD_ERRATA_ENABLE && true;
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}
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/** @} */
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#endif /* NRF_DRV_USBD_ERRATA_H__ */
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