simmel-bootloader/lib/sdk/components/drivers_nrf/hal/nrf_twis.h
hathach df71d3444d follow #1
seperate files from latest SDK (currently 14.2.0) from good old non-
secure bootloader sdk 11
2018-04-05 00:35:08 +07:00

707 lines
23 KiB
C

/**
* Copyright (c) 2015 - 2017, 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.
*
*/
/**
* @ingroup nrf_twis
* @defgroup nrf_twis_hal TWIS HAL
* @{
*
* @brief @tagAPI52 Hardware access layer for Two Wire Interface Slave with EasyDMA
* (TWIS) peripheral.
*/
#ifndef NRF_TWIS_H__
#define NRF_TWIS_H__
#include "nrf.h"
#include "sdk_config.h"
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief TWIS tasks
*/
typedef enum
{
/*lint -save -e30*/
NRF_TWIS_TASK_STOP = offsetof(NRF_TWIS_Type, TASKS_STOP), /**< Stop TWIS transaction */
NRF_TWIS_TASK_SUSPEND = offsetof(NRF_TWIS_Type, TASKS_SUSPEND), /**< Suspend TWIS transaction */
NRF_TWIS_TASK_RESUME = offsetof(NRF_TWIS_Type, TASKS_RESUME), /**< Resume TWIS transaction */
NRF_TWIS_TASK_PREPARERX = offsetof(NRF_TWIS_Type, TASKS_PREPARERX), /**< Prepare the TWIS slave to respond to a write command */
NRF_TWIS_TASK_PREPARETX = offsetof(NRF_TWIS_Type, TASKS_PREPARETX) /**< Prepare the TWIS slave to respond to a read command */
/*lint -restore*/
} nrf_twis_task_t;
/**
* @brief TWIS events
*/
typedef enum
{
/*lint -save -e30*/
NRF_TWIS_EVENT_STOPPED = offsetof(NRF_TWIS_Type, EVENTS_STOPPED), /**< TWIS stopped */
NRF_TWIS_EVENT_ERROR = offsetof(NRF_TWIS_Type, EVENTS_ERROR), /**< TWIS error */
NRF_TWIS_EVENT_RXSTARTED = offsetof(NRF_TWIS_Type, EVENTS_RXSTARTED), /**< Receive sequence started */
NRF_TWIS_EVENT_TXSTARTED = offsetof(NRF_TWIS_Type, EVENTS_TXSTARTED), /**< Transmit sequence started */
NRF_TWIS_EVENT_WRITE = offsetof(NRF_TWIS_Type, EVENTS_WRITE), /**< Write command received */
NRF_TWIS_EVENT_READ = offsetof(NRF_TWIS_Type, EVENTS_READ) /**< Read command received */
/*lint -restore*/
} nrf_twis_event_t;
/**
* @brief TWIS shortcuts
*/
typedef enum
{
NRF_TWIS_SHORT_WRITE_SUSPEND_MASK = TWIS_SHORTS_WRITE_SUSPEND_Msk, /**< Shortcut between WRITE event and SUSPEND task */
NRF_TWIS_SHORT_READ_SUSPEND_MASK = TWIS_SHORTS_READ_SUSPEND_Msk, /**< Shortcut between READ event and SUSPEND task */
} nrf_twis_short_mask_t;
/**
* @brief TWIS interrupts
*/
typedef enum
{
NRF_TWIS_INT_STOPPED_MASK = TWIS_INTEN_STOPPED_Msk, /**< Interrupt on STOPPED event */
NRF_TWIS_INT_ERROR_MASK = TWIS_INTEN_ERROR_Msk, /**< Interrupt on ERROR event */
NRF_TWIS_INT_RXSTARTED_MASK = TWIS_INTEN_RXSTARTED_Msk, /**< Interrupt on RXSTARTED event */
NRF_TWIS_INT_TXSTARTED_MASK = TWIS_INTEN_TXSTARTED_Msk, /**< Interrupt on TXSTARTED event */
NRF_TWIS_INT_WRITE_MASK = TWIS_INTEN_WRITE_Msk, /**< Interrupt on WRITE event */
NRF_TWIS_INT_READ_MASK = TWIS_INTEN_READ_Msk, /**< Interrupt on READ event */
} nrf_twis_int_mask_t;
/**
* @brief TWIS error source
*/
typedef enum
{
NRF_TWIS_ERROR_OVERFLOW = TWIS_ERRORSRC_OVERFLOW_Msk, /**< RX buffer overflow detected, and prevented */
NRF_TWIS_ERROR_DATA_NACK = TWIS_ERRORSRC_DNACK_Msk, /**< NACK sent after receiving a data byte */
NRF_TWIS_ERROR_OVERREAD = TWIS_ERRORSRC_OVERREAD_Msk /**< TX buffer over-read detected, and prevented */
} nrf_twis_error_t;
/**
* @brief TWIS address matching configuration
*/
typedef enum
{
NRF_TWIS_CONFIG_ADDRESS0_MASK = TWIS_CONFIG_ADDRESS0_Msk, /**< Enable or disable address matching on ADDRESS[0] */
NRF_TWIS_CONFIG_ADDRESS1_MASK = TWIS_CONFIG_ADDRESS1_Msk, /**< Enable or disable address matching on ADDRESS[1] */
NRF_TWIS_CONFIG_ADDRESS01_MASK = TWIS_CONFIG_ADDRESS0_Msk | TWIS_CONFIG_ADDRESS1_Msk /**< Enable both address matching */
} nrf_twis_config_addr_mask_t;
/**
* @brief Variable type to hold amount of data for EasyDMA
*
* Variable of the minimum size that can hold the amount of data to transfer.
*
* @note
* Defined to make it simple to change if EasyDMA would be updated to support more data in
* the future devices to.
*/
typedef uint8_t nrf_twis_amount_t;
/**
* @brief Smallest variable type to hold TWI address
*
* Variable of the minimum size that can hold single TWI address.
*
* @note
* Defined to make it simple to change if new TWI would support for example
* 10 bit addressing mode.
*/
typedef uint8_t nrf_twis_address_t;
/**
* @brief Function for activating a specific TWIS task.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param task Task.
*/
__STATIC_INLINE void nrf_twis_task_trigger(NRF_TWIS_Type * const p_reg, nrf_twis_task_t task);
/**
* @brief Function for returning the address of a specific TWIS task register.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param task Task.
*
* @return Task address.
*/
__STATIC_INLINE uint32_t nrf_twis_task_address_get(
NRF_TWIS_Type const * const p_reg,
nrf_twis_task_t task);
/**
* @brief Function for clearing a specific event.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param event Event.
*/
__STATIC_INLINE void nrf_twis_event_clear(
NRF_TWIS_Type * const p_reg,
nrf_twis_event_t event);
/**
* @brief Function for returning the state of a specific event.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param event Event.
*
* @retval true If the event is set.
* @retval false If the event is not set.
*/
__STATIC_INLINE bool nrf_twis_event_check(
NRF_TWIS_Type const * const p_reg,
nrf_twis_event_t event);
/**
* @brief Function for getting and clearing the state of specific event
*
* This function checks the state of the event and clears it.
* @param[in,out] p_reg Pointer to the peripheral registers structure.
* @param event Event.
*
* @retval true If the event was set.
* @retval false If the event was not set.
*/
__STATIC_INLINE bool nrf_twis_event_get_and_clear(
NRF_TWIS_Type * const p_reg,
nrf_twis_event_t event);
/**
* @brief Function for returning the address of a specific TWIS event register.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param event Event.
*
* @return Address.
*/
__STATIC_INLINE uint32_t nrf_twis_event_address_get(
NRF_TWIS_Type const * const p_reg,
nrf_twis_event_t event);
/**
* @brief Function for setting a shortcut.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param short_mask Shortcuts mask.
*/
__STATIC_INLINE void nrf_twis_shorts_enable(NRF_TWIS_Type * const p_reg, uint32_t short_mask);
/**
* @brief Function for clearing shortcuts.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param short_mask Shortcuts mask.
*/
__STATIC_INLINE void nrf_twis_shorts_disable(NRF_TWIS_Type * const p_reg, uint32_t short_mask);
/**
* @brief Get the shorts mask
*
* Function returns shorts register.
* @param[in] p_reg Pointer to the peripheral registers structure.
* @return Flags of currently enabled shortcuts
*/
__STATIC_INLINE uint32_t nrf_twis_shorts_get(NRF_TWIS_Type * const p_reg);
/**
* @brief Function for enabling selected interrupts.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param int_mask Interrupts mask.
*/
__STATIC_INLINE void nrf_twis_int_enable(NRF_TWIS_Type * const p_reg, uint32_t int_mask);
/**
* @brief Function for retrieving the state of selected interrupts.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param int_mask Interrupts mask.
*
* @retval true If any of selected interrupts is enabled.
* @retval false If none of selected interrupts is enabled.
*/
__STATIC_INLINE bool nrf_twis_int_enable_check(NRF_TWIS_Type const * const p_reg, uint32_t int_mask);
/**
* @brief Function for disabling selected interrupts.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param int_mask Interrupts mask.
*/
__STATIC_INLINE void nrf_twis_int_disable(NRF_TWIS_Type * const p_reg, uint32_t int_mask);
/**
* @brief Function for retrieving and clearing the TWIS error source.
*
* @attention Error sources are cleared after read.
* @param[in] p_reg Pointer to the peripheral registers structure.
* @return Error source mask with values from @ref nrf_twis_error_t.
*/
__STATIC_INLINE uint32_t nrf_twis_error_source_get_and_clear(NRF_TWIS_Type * const p_reg);
/**
* @brief Get information which of addresses matched
*
* Function returns index in the address table
* that points to the address that already matched.
* @param[in] p_reg Pointer to the peripheral registers structure.
* @return Index of matched address
*/
__STATIC_INLINE uint_fast8_t nrf_twis_match_get(NRF_TWIS_Type const * p_reg);
/**
* @brief Function for enabling TWIS.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
*/
__STATIC_INLINE void nrf_twis_enable(NRF_TWIS_Type * const p_reg);
/**
* @brief Function for disabling TWIS.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
*/
__STATIC_INLINE void nrf_twis_disable(NRF_TWIS_Type * const p_reg);
/**
* @brief Function for configuring TWIS pins.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param scl SCL pin number.
* @param sda SDA pin number.
*/
__STATIC_INLINE void nrf_twis_pins_set(NRF_TWIS_Type * const p_reg, uint32_t scl, uint32_t sda);
/**
* @brief Function for setting the receive buffer.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param p_buf Pointer to the buffer for received data.
* @param length Maximum number of data bytes to receive.
*/
__STATIC_INLINE void nrf_twis_rx_buffer_set(
NRF_TWIS_Type * const p_reg,
uint8_t * p_buf,
nrf_twis_amount_t length);
/**
* @brief Function that prepares TWIS for receiving
*
* This function sets receive buffer and then sets NRF_TWIS_TASK_PREPARERX task.
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param p_buf Pointer to the buffer for received data.
* @param length Maximum number of data bytes to receive.
*/
__STATIC_INLINE void nrf_twis_rx_prepare(
NRF_TWIS_Type * const p_reg,
uint8_t * p_buf,
nrf_twis_amount_t length);
/**
* @brief Function for getting number of bytes received in the last transaction.
*
* @param[in] p_reg TWIS instance.
* @return Amount of bytes received.
* */
__STATIC_INLINE nrf_twis_amount_t nrf_twis_rx_amount_get(NRF_TWIS_Type const * const p_reg);
/**
* @brief Function for setting the transmit buffer.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param p_buf Pointer to the buffer with data to send.
* @param length Maximum number of data bytes to transmit.
*/
__STATIC_INLINE void nrf_twis_tx_buffer_set(
NRF_TWIS_Type * const p_reg,
uint8_t const * p_buf,
nrf_twis_amount_t length);
/**
* @brief Function that prepares TWIS for transmitting
*
* This function sets transmit buffer and then sets NRF_TWIS_TASK_PREPARETX task.
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param p_buf Pointer to the buffer with data to send.
* @param length Maximum number of data bytes to transmit.
*/
__STATIC_INLINE void nrf_twis_tx_prepare(
NRF_TWIS_Type * const p_reg,
uint8_t const * p_buf,
nrf_twis_amount_t length);
/**
* @brief Function for getting number of bytes transmitted in the last transaction.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @return Amount of bytes transmitted.
*/
__STATIC_INLINE nrf_twis_amount_t nrf_twis_tx_amount_get(NRF_TWIS_Type const * const p_reg);
/**
* @brief Function for setting slave address
*
* Function sets the selected address for this TWI interface.
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param n Index of address to set
* @param addr Addres to set
* @sa nrf_twis_config_address_set
* @sa nrf_twis_config_address_get
*/
__STATIC_INLINE void nrf_twis_address_set(
NRF_TWIS_Type * const p_reg,
uint_fast8_t n,
nrf_twis_address_t addr);
/**
* @brief Function for retrieving configured slave address
*
* Function gets the selected address for this TWI interface.
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param n Index of address to get
*/
__STATIC_INLINE nrf_twis_address_t nrf_twis_address_get(
NRF_TWIS_Type const * const p_reg,
uint_fast8_t n);
/**
* @brief Function for setting the device address configuration.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param addr_mask Mask of address indexes of what device should answer to.
*
* @sa nrf_twis_address_set
*/
__STATIC_INLINE void nrf_twis_config_address_set(
NRF_TWIS_Type * const p_reg,
nrf_twis_config_addr_mask_t addr_mask);
/**
* @brief Function for retrieving the device address configuration.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
*
* @return Mask of address indexes of what device should answer to.
*/
__STATIC_INLINE nrf_twis_config_addr_mask_t nrf_twis_config_address_get(
NRF_TWIS_Type const * const p_reg);
/**
* @brief Function for setting the over-read character.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @param[in] orc Over-read character. Character clocked out in case of
* over-read of the TXD buffer.
*/
__STATIC_INLINE void nrf_twis_orc_set(
NRF_TWIS_Type * const p_reg,
uint8_t orc);
/**
* @brief Function for setting the over-read character.
*
* @param[in] p_reg Pointer to the peripheral registers structure.
*
* @return Over-read character configured for selected instance.
*/
__STATIC_INLINE uint8_t nrf_twis_orc_get(NRF_TWIS_Type const * const p_reg);
/** @} */ /* End of nrf_twis_hal */
#ifndef SUPPRESS_INLINE_IMPLEMENTATION
/* ------------------------------------------------------------------------------------------------
* Internal functions
*/
/**
* @internal
* @brief Internal function for getting task/event register address
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @oaram offset Offset of the register from the instance beginning
*
* @attention offset has to be modulo 4 value. In other case we can get hardware fault.
* @return Pointer to the register
*/
__STATIC_INLINE volatile uint32_t* nrf_twis_getRegPtr(NRF_TWIS_Type * const p_reg, uint32_t offset)
{
return (volatile uint32_t*)((uint8_t *)p_reg + (uint32_t)offset);
}
/**
* @internal
* @brief Internal function for getting task/event register address - constant version
*
* @param[in] p_reg Pointer to the peripheral registers structure.
* @oaram offset Offset of the register from the instance beginning
*
* @attention offset has to be modulo 4 value. In other case we can get hardware fault.
* @return Pointer to the register
*/
__STATIC_INLINE volatile const uint32_t* nrf_twis_getRegPtr_c(NRF_TWIS_Type const * const p_reg, uint32_t offset)
{
return (volatile const uint32_t*)((uint8_t *)p_reg + (uint32_t)offset);
}
/* ------------------------------------------------------------------------------------------------
* Interface functions definitions
*/
void nrf_twis_task_trigger(NRF_TWIS_Type * const p_reg, nrf_twis_task_t task)
{
*(nrf_twis_getRegPtr(p_reg, (uint32_t)task)) = 1UL;
}
uint32_t nrf_twis_task_address_get(
NRF_TWIS_Type const * const p_reg,
nrf_twis_task_t task)
{
return (uint32_t)nrf_twis_getRegPtr_c(p_reg, (uint32_t)task);
}
void nrf_twis_event_clear(
NRF_TWIS_Type * const p_reg,
nrf_twis_event_t event)
{
*(nrf_twis_getRegPtr(p_reg, (uint32_t)event)) = 0UL;
#if __CORTEX_M == 0x04
volatile uint32_t dummy = *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event));
(void)dummy;
#endif
}
bool nrf_twis_event_check(
NRF_TWIS_Type const * const p_reg,
nrf_twis_event_t event)
{
return (bool)*nrf_twis_getRegPtr_c(p_reg, (uint32_t)event);
}
bool nrf_twis_event_get_and_clear(
NRF_TWIS_Type * const p_reg,
nrf_twis_event_t event)
{
bool ret = nrf_twis_event_check(p_reg, event);
if (ret)
{
nrf_twis_event_clear(p_reg, event);
}
return ret;
}
uint32_t nrf_twis_event_address_get(
NRF_TWIS_Type const * const p_reg,
nrf_twis_event_t event)
{
return (uint32_t)nrf_twis_getRegPtr_c(p_reg, (uint32_t)event);
}
void nrf_twis_shorts_enable(NRF_TWIS_Type * const p_reg, uint32_t short_mask)
{
p_reg->SHORTS |= short_mask;
}
void nrf_twis_shorts_disable(NRF_TWIS_Type * const p_reg, uint32_t short_mask)
{
if (~0U == short_mask)
{
/* Optimized version for "disable all" */
p_reg->SHORTS = 0;
}
else
{
p_reg->SHORTS &= ~short_mask;
}
}
uint32_t nrf_twis_shorts_get(NRF_TWIS_Type * const p_reg)
{
return p_reg->SHORTS;
}
void nrf_twis_int_enable(NRF_TWIS_Type * const p_reg, uint32_t int_mask)
{
p_reg->INTENSET = int_mask;
}
bool nrf_twis_int_enable_check(NRF_TWIS_Type const * const p_reg, uint32_t int_mask)
{
return (bool)(p_reg->INTENSET & int_mask);
}
void nrf_twis_int_disable(NRF_TWIS_Type * const p_reg, uint32_t int_mask)
{
p_reg->INTENCLR = int_mask;
}
uint32_t nrf_twis_error_source_get_and_clear(NRF_TWIS_Type * const p_reg)
{
uint32_t ret = p_reg->ERRORSRC;
p_reg->ERRORSRC = ret;
return ret;
}
uint_fast8_t nrf_twis_match_get(NRF_TWIS_Type const * p_reg)
{
return (uint_fast8_t)p_reg->MATCH;
}
void nrf_twis_enable(NRF_TWIS_Type * const p_reg)
{
p_reg->ENABLE = (TWIS_ENABLE_ENABLE_Enabled << TWIS_ENABLE_ENABLE_Pos);
}
void nrf_twis_disable(NRF_TWIS_Type * const p_reg)
{
p_reg->ENABLE = (TWIS_ENABLE_ENABLE_Disabled << TWIS_ENABLE_ENABLE_Pos);
}
void nrf_twis_pins_set(NRF_TWIS_Type * const p_reg, uint32_t scl, uint32_t sda)
{
p_reg->PSEL.SCL = scl;
p_reg->PSEL.SDA = sda;
}
void nrf_twis_rx_buffer_set(
NRF_TWIS_Type * const p_reg,
uint8_t * p_buf,
nrf_twis_amount_t length)
{
p_reg->RXD.PTR = (uint32_t)p_buf;
p_reg->RXD.MAXCNT = length;
}
__STATIC_INLINE void nrf_twis_rx_prepare(
NRF_TWIS_Type * const p_reg,
uint8_t * p_buf,
nrf_twis_amount_t length)
{
nrf_twis_rx_buffer_set(p_reg, p_buf, length);
nrf_twis_task_trigger(p_reg, NRF_TWIS_TASK_PREPARERX);
}
nrf_twis_amount_t nrf_twis_rx_amount_get(NRF_TWIS_Type const * const p_reg)
{
return (nrf_twis_amount_t)p_reg->RXD.AMOUNT;
}
void nrf_twis_tx_buffer_set(
NRF_TWIS_Type * const p_reg,
uint8_t const * p_buf,
nrf_twis_amount_t length)
{
p_reg->TXD.PTR = (uint32_t)p_buf;
p_reg->TXD.MAXCNT = length;
}
__STATIC_INLINE void nrf_twis_tx_prepare(
NRF_TWIS_Type * const p_reg,
uint8_t const * p_buf,
nrf_twis_amount_t length)
{
nrf_twis_tx_buffer_set(p_reg, p_buf, length);
nrf_twis_task_trigger(p_reg, NRF_TWIS_TASK_PREPARETX);
}
nrf_twis_amount_t nrf_twis_tx_amount_get(NRF_TWIS_Type const * const p_reg)
{
return (nrf_twis_amount_t)p_reg->TXD.AMOUNT;
}
void nrf_twis_address_set(
NRF_TWIS_Type * const p_reg,
uint_fast8_t n,
nrf_twis_address_t addr)
{
p_reg->ADDRESS[n] = addr;
}
nrf_twis_address_t nrf_twis_address_get(
NRF_TWIS_Type const * const p_reg,
uint_fast8_t n)
{
return (nrf_twis_address_t)p_reg->ADDRESS[n];
}
void nrf_twis_config_address_set(
NRF_TWIS_Type * const p_reg,
nrf_twis_config_addr_mask_t addr_mask)
{
/* This is the only configuration in TWIS - just write it without masking */
p_reg->CONFIG = addr_mask;
}
nrf_twis_config_addr_mask_t nrf_twis_config_address_get(NRF_TWIS_Type const * const p_reg)
{
return (nrf_twis_config_addr_mask_t)(p_reg->CONFIG & TWIS_ADDRESS_ADDRESS_Msk);
}
void nrf_twis_orc_set(
NRF_TWIS_Type * const p_reg,
uint8_t orc)
{
p_reg->ORC = orc;
}
uint8_t nrf_twis_orc_get(NRF_TWIS_Type const * const p_reg)
{
return (uint8_t)p_reg->ORC;
}
#endif /* SUPPRESS_INLINE_IMPLEMENTATION */
#ifdef __cplusplus
}
#endif
#endif /* NRF_TWIS_H__ */