mbed official / mbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_SDT51822B/TOOLCHAIN_IAR/nrf_spis.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 148:fd96258d940d 1 /*
Kojto 148:fd96258d940d 2 * Copyright (c) 2015 Nordic Semiconductor ASA
Kojto 148:fd96258d940d 3 * All rights reserved.
Kojto 148:fd96258d940d 4 *
Kojto 148:fd96258d940d 5 * Redistribution and use in source and binary forms, with or without modification,
Kojto 148:fd96258d940d 6 * are permitted provided that the following conditions are met:
Kojto 148:fd96258d940d 7 *
Kojto 148:fd96258d940d 8 * 1. Redistributions of source code must retain the above copyright notice, this list
Kojto 148:fd96258d940d 9 * of conditions and the following disclaimer.
Kojto 148:fd96258d940d 10 *
Kojto 148:fd96258d940d 11 * 2. Redistributions in binary form, except as embedded into a Nordic Semiconductor ASA
Kojto 148:fd96258d940d 12 * integrated circuit in a product or a software update for such product, must reproduce
Kojto 148:fd96258d940d 13 * the above copyright notice, this list of conditions and the following disclaimer in
Kojto 148:fd96258d940d 14 * the documentation and/or other materials provided with the distribution.
Kojto 148:fd96258d940d 15 *
Kojto 148:fd96258d940d 16 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its contributors may be
Kojto 148:fd96258d940d 17 * used to endorse or promote products derived from this software without specific prior
Kojto 148:fd96258d940d 18 * written permission.
Kojto 148:fd96258d940d 19 *
Kojto 148:fd96258d940d 20 * 4. This software, with or without modification, must only be used with a
Kojto 148:fd96258d940d 21 * Nordic Semiconductor ASA integrated circuit.
Kojto 148:fd96258d940d 22 *
Kojto 148:fd96258d940d 23 * 5. Any software provided in binary or object form under this license must not be reverse
Kojto 148:fd96258d940d 24 * engineered, decompiled, modified and/or disassembled.
Kojto 148:fd96258d940d 25 *
Kojto 148:fd96258d940d 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
Kojto 148:fd96258d940d 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Kojto 148:fd96258d940d 28 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Kojto 148:fd96258d940d 29 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
Kojto 148:fd96258d940d 30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Kojto 148:fd96258d940d 31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Kojto 148:fd96258d940d 32 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
Kojto 148:fd96258d940d 33 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Kojto 148:fd96258d940d 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Kojto 148:fd96258d940d 35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Kojto 148:fd96258d940d 36 *
Kojto 148:fd96258d940d 37 */
Kojto 148:fd96258d940d 38
Kojto 148:fd96258d940d 39
Kojto 148:fd96258d940d 40 /**
Kojto 148:fd96258d940d 41 * @defgroup nrf_spis_hal SPIS HAL
Kojto 148:fd96258d940d 42 * @{
Kojto 148:fd96258d940d 43 * @ingroup nrf_spis
Kojto 148:fd96258d940d 44 *
Kojto 148:fd96258d940d 45 * @brief Hardware access layer for accessing the SPIS peripheral.
Kojto 148:fd96258d940d 46 */
Kojto 148:fd96258d940d 47
Kojto 148:fd96258d940d 48 #ifndef NRF_SPIS_H__
Kojto 148:fd96258d940d 49 #define NRF_SPIS_H__
Kojto 148:fd96258d940d 50
Kojto 148:fd96258d940d 51 #include <stddef.h>
Kojto 148:fd96258d940d 52 #include <stdbool.h>
Kojto 148:fd96258d940d 53 #include <stdint.h>
Kojto 148:fd96258d940d 54
Kojto 148:fd96258d940d 55 #include "nrf.h"
Kojto 148:fd96258d940d 56
Kojto 148:fd96258d940d 57
Kojto 148:fd96258d940d 58 /**
Kojto 148:fd96258d940d 59 * @brief This value can be used as a parameter for the @ref nrf_spis_pins_set
Kojto 148:fd96258d940d 60 * function to specify that a given SPI signal (SCK, MOSI, or MISO)
Kojto 148:fd96258d940d 61 * shall not be connected to a physical pin.
Kojto 148:fd96258d940d 62 */
Kojto 148:fd96258d940d 63 #define NRF_SPIS_PIN_NOT_CONNECTED 0xFFFFFFFF
Kojto 148:fd96258d940d 64
Kojto 148:fd96258d940d 65
Kojto 148:fd96258d940d 66 /**
Kojto 148:fd96258d940d 67 * @brief SPIS tasks.
Kojto 148:fd96258d940d 68 */
Kojto 148:fd96258d940d 69 typedef enum
Kojto 148:fd96258d940d 70 {
Kojto 148:fd96258d940d 71 /*lint -save -e30*/
Kojto 148:fd96258d940d 72 NRF_SPIS_TASK_ACQUIRE = offsetof(NRF_SPIS_Type, TASKS_ACQUIRE), ///< Acquire SPI semaphore.
Kojto 148:fd96258d940d 73 NRF_SPIS_TASK_RELEASE = offsetof(NRF_SPIS_Type, TASKS_RELEASE), ///< Release SPI semaphore, enabling the SPI slave to acquire it.
Kojto 148:fd96258d940d 74 /*lint -restore*/
Kojto 148:fd96258d940d 75 } nrf_spis_task_t;
Kojto 148:fd96258d940d 76
Kojto 148:fd96258d940d 77 /**
Kojto 148:fd96258d940d 78 * @brief SPIS events.
Kojto 148:fd96258d940d 79 */
Kojto 148:fd96258d940d 80 typedef enum
Kojto 148:fd96258d940d 81 {
Kojto 148:fd96258d940d 82 /*lint -save -e30*/
Kojto 148:fd96258d940d 83 NRF_SPIS_EVENT_END = offsetof(NRF_SPIS_Type, EVENTS_END), ///< Granted transaction completed.
Kojto 148:fd96258d940d 84 NRF_SPIS_EVENT_ACQUIRED = offsetof(NRF_SPIS_Type, EVENTS_ACQUIRED) ///< Semaphore acquired.
Kojto 148:fd96258d940d 85 /*lint -restore*/
Kojto 148:fd96258d940d 86 } nrf_spis_event_t;
Kojto 148:fd96258d940d 87
Kojto 148:fd96258d940d 88 /**
Kojto 148:fd96258d940d 89 * @brief SPIS shortcuts.
Kojto 148:fd96258d940d 90 */
Kojto 148:fd96258d940d 91 typedef enum
Kojto 148:fd96258d940d 92 {
Kojto 148:fd96258d940d 93 NRF_SPIS_SHORT_END_ACQUIRE = SPIS_SHORTS_END_ACQUIRE_Msk ///< Shortcut between END event and ACQUIRE task.
Kojto 148:fd96258d940d 94 } nrf_spis_short_mask_t;
Kojto 148:fd96258d940d 95
Kojto 148:fd96258d940d 96 /**
Kojto 148:fd96258d940d 97 * @brief SPIS interrupts.
Kojto 148:fd96258d940d 98 */
Kojto 148:fd96258d940d 99 typedef enum
Kojto 148:fd96258d940d 100 {
Kojto 148:fd96258d940d 101 NRF_SPIS_INT_END_MASK = SPIS_INTENSET_END_Msk, ///< Interrupt on END event.
Kojto 148:fd96258d940d 102 NRF_SPIS_INT_ACQUIRED_MASK = SPIS_INTENSET_ACQUIRED_Msk ///< Interrupt on ACQUIRED event.
Kojto 148:fd96258d940d 103 } nrf_spis_int_mask_t;
Kojto 148:fd96258d940d 104
Kojto 148:fd96258d940d 105 /**
Kojto 148:fd96258d940d 106 * @brief SPI modes.
Kojto 148:fd96258d940d 107 */
Kojto 148:fd96258d940d 108 typedef enum
Kojto 148:fd96258d940d 109 {
Kojto 148:fd96258d940d 110 NRF_SPIS_MODE_0, ///< SCK active high, sample on leading edge of clock.
Kojto 148:fd96258d940d 111 NRF_SPIS_MODE_1, ///< SCK active high, sample on trailing edge of clock.
Kojto 148:fd96258d940d 112 NRF_SPIS_MODE_2, ///< SCK active low, sample on leading edge of clock.
Kojto 148:fd96258d940d 113 NRF_SPIS_MODE_3 ///< SCK active low, sample on trailing edge of clock.
Kojto 148:fd96258d940d 114 } nrf_spis_mode_t;
Kojto 148:fd96258d940d 115
Kojto 148:fd96258d940d 116 /**
Kojto 148:fd96258d940d 117 * @brief SPI bit orders.
Kojto 148:fd96258d940d 118 */
Kojto 148:fd96258d940d 119 typedef enum
Kojto 148:fd96258d940d 120 {
Kojto 148:fd96258d940d 121 NRF_SPIS_BIT_ORDER_MSB_FIRST = SPIS_CONFIG_ORDER_MsbFirst, ///< Most significant bit shifted out first.
Kojto 148:fd96258d940d 122 NRF_SPIS_BIT_ORDER_LSB_FIRST = SPIS_CONFIG_ORDER_LsbFirst ///< Least significant bit shifted out first.
Kojto 148:fd96258d940d 123 } nrf_spis_bit_order_t;
Kojto 148:fd96258d940d 124
Kojto 148:fd96258d940d 125 /**
Kojto 148:fd96258d940d 126 * @brief SPI semaphore status.
Kojto 148:fd96258d940d 127 */
Kojto 148:fd96258d940d 128 typedef enum
Kojto 148:fd96258d940d 129 {
Kojto 148:fd96258d940d 130 NRF_SPIS_SEMSTAT_FREE = 0, ///< Semaphore is free.
Kojto 148:fd96258d940d 131 NRF_SPIS_SEMSTAT_CPU = 1, ///< Semaphore is assigned to the CPU.
Kojto 148:fd96258d940d 132 NRF_SPIS_SEMSTAT_SPIS = 2, ///< Semaphore is assigned to the SPI slave.
Kojto 148:fd96258d940d 133 NRF_SPIS_SEMSTAT_CPUPENDING = 3 ///< Semaphore is assigned to the SPI, but a handover to the CPU is pending.
Kojto 148:fd96258d940d 134 } nrf_spis_semstat_t;
Kojto 148:fd96258d940d 135
Kojto 148:fd96258d940d 136 /**
Kojto 148:fd96258d940d 137 * @brief SPIS status.
Kojto 148:fd96258d940d 138 */
Kojto 148:fd96258d940d 139 typedef enum
Kojto 148:fd96258d940d 140 {
Kojto 148:fd96258d940d 141 NRF_SPIS_STATUS_OVERREAD = SPIS_STATUS_OVERREAD_Msk, ///< TX buffer over-read detected and prevented.
Kojto 148:fd96258d940d 142 NRF_SPIS_STATUS_OVERFLOW = SPIS_STATUS_OVERFLOW_Msk ///< RX buffer overflow detected and prevented.
Kojto 148:fd96258d940d 143 } nrf_spis_status_mask_t;
Kojto 148:fd96258d940d 144
Kojto 148:fd96258d940d 145 /**
Kojto 148:fd96258d940d 146 * @brief Function for activating a specific SPIS task.
Kojto 148:fd96258d940d 147 *
Kojto 148:fd96258d940d 148 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 149 * @param[in] spis_task Task to activate.
Kojto 148:fd96258d940d 150 */
Kojto 148:fd96258d940d 151 __STATIC_INLINE void nrf_spis_task_trigger(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 152 nrf_spis_task_t spis_task);
Kojto 148:fd96258d940d 153
Kojto 148:fd96258d940d 154 /**
Kojto 148:fd96258d940d 155 * @brief Function for getting the address of a specific SPIS task register.
Kojto 148:fd96258d940d 156 *
Kojto 148:fd96258d940d 157 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 158 * @param[in] spis_task Requested task.
Kojto 148:fd96258d940d 159 *
Kojto 148:fd96258d940d 160 * @return Address of the specified task register.
Kojto 148:fd96258d940d 161 */
Kojto 148:fd96258d940d 162 __STATIC_INLINE uint32_t nrf_spis_task_address_get(NRF_SPIS_Type const * p_spis,
Kojto 148:fd96258d940d 163 nrf_spis_task_t spis_task);
Kojto 148:fd96258d940d 164
Kojto 148:fd96258d940d 165 /**
Kojto 148:fd96258d940d 166 * @brief Function for clearing a specific SPIS event.
Kojto 148:fd96258d940d 167 *
Kojto 148:fd96258d940d 168 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 169 * @param[in] spis_event Event to clear.
Kojto 148:fd96258d940d 170 */
Kojto 148:fd96258d940d 171 __STATIC_INLINE void nrf_spis_event_clear(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 172 nrf_spis_event_t spis_event);
Kojto 148:fd96258d940d 173
Kojto 148:fd96258d940d 174 /**
Kojto 148:fd96258d940d 175 * @brief Function for checking the state of a specific SPIS event.
Kojto 148:fd96258d940d 176 *
Kojto 148:fd96258d940d 177 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 178 * @param[in] spis_event Event to check.
Kojto 148:fd96258d940d 179 *
Kojto 148:fd96258d940d 180 * @retval true If the event is set.
Kojto 148:fd96258d940d 181 * @retval false If the event is not set.
Kojto 148:fd96258d940d 182 */
Kojto 148:fd96258d940d 183 __STATIC_INLINE bool nrf_spis_event_check(NRF_SPIS_Type const * p_spis,
Kojto 148:fd96258d940d 184 nrf_spis_event_t spis_event);
Kojto 148:fd96258d940d 185
Kojto 148:fd96258d940d 186 /**
Kojto 148:fd96258d940d 187 * @brief Function for getting the address of a specific SPIS event register.
Kojto 148:fd96258d940d 188 *
Kojto 148:fd96258d940d 189 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 190 * @param[in] spis_event Requested event.
Kojto 148:fd96258d940d 191 *
Kojto 148:fd96258d940d 192 * @return Address of the specified event register.
Kojto 148:fd96258d940d 193 */
Kojto 148:fd96258d940d 194 __STATIC_INLINE uint32_t nrf_spis_event_address_get(NRF_SPIS_Type const * p_spis,
Kojto 148:fd96258d940d 195 nrf_spis_event_t spis_event);
Kojto 148:fd96258d940d 196
Kojto 148:fd96258d940d 197 /**
Kojto 148:fd96258d940d 198 * @brief Function for enabling specified shortcuts.
Kojto 148:fd96258d940d 199 *
Kojto 148:fd96258d940d 200 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 201 * @param[in] spis_shorts_mask Shortcuts to enable.
Kojto 148:fd96258d940d 202 */
Kojto 148:fd96258d940d 203 __STATIC_INLINE void nrf_spis_shorts_enable(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 204 uint32_t spis_shorts_mask);
Kojto 148:fd96258d940d 205
Kojto 148:fd96258d940d 206 /**
Kojto 148:fd96258d940d 207 * @brief Function for disabling specified shortcuts.
Kojto 148:fd96258d940d 208 *
Kojto 148:fd96258d940d 209 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 210 * @param[in] spis_shorts_mask Shortcuts to disable.
Kojto 148:fd96258d940d 211 */
Kojto 148:fd96258d940d 212 __STATIC_INLINE void nrf_spis_shorts_disable(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 213 uint32_t spis_shorts_mask);
Kojto 148:fd96258d940d 214
Kojto 148:fd96258d940d 215 /**
Kojto 148:fd96258d940d 216 * @brief Function for enabling specified interrupts.
Kojto 148:fd96258d940d 217 *
Kojto 148:fd96258d940d 218 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 219 * @param[in] spis_int_mask Interrupts to enable.
Kojto 148:fd96258d940d 220 */
Kojto 148:fd96258d940d 221 __STATIC_INLINE void nrf_spis_int_enable(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 222 uint32_t spis_int_mask);
Kojto 148:fd96258d940d 223
Kojto 148:fd96258d940d 224 /**
Kojto 148:fd96258d940d 225 * @brief Function for disabling specified interrupts.
Kojto 148:fd96258d940d 226 *
Kojto 148:fd96258d940d 227 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 228 * @param[in] spis_int_mask Interrupts to disable.
Kojto 148:fd96258d940d 229 */
Kojto 148:fd96258d940d 230 __STATIC_INLINE void nrf_spis_int_disable(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 231 uint32_t spis_int_mask);
Kojto 148:fd96258d940d 232
Kojto 148:fd96258d940d 233 /**
Kojto 148:fd96258d940d 234 * @brief Function for retrieving the state of a given interrupt.
Kojto 148:fd96258d940d 235 *
Kojto 148:fd96258d940d 236 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 237 * @param[in] spis_int Interrupt to check.
Kojto 148:fd96258d940d 238 *
Kojto 148:fd96258d940d 239 * @retval true If the interrupt is enabled.
Kojto 148:fd96258d940d 240 * @retval false If the interrupt is not enabled.
Kojto 148:fd96258d940d 241 */
Kojto 148:fd96258d940d 242 __STATIC_INLINE bool nrf_spis_int_enable_check(NRF_SPIS_Type const * p_spis,
Kojto 148:fd96258d940d 243 nrf_spis_int_mask_t spis_int);
Kojto 148:fd96258d940d 244
Kojto 148:fd96258d940d 245 /**
Kojto 148:fd96258d940d 246 * @brief Function for enabling the SPIS peripheral.
Kojto 148:fd96258d940d 247 *
Kojto 148:fd96258d940d 248 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 249 */
Kojto 148:fd96258d940d 250 __STATIC_INLINE void nrf_spis_enable(NRF_SPIS_Type * p_spis);
Kojto 148:fd96258d940d 251
Kojto 148:fd96258d940d 252 /**
Kojto 148:fd96258d940d 253 * @brief Function for disabling the SPIS peripheral.
Kojto 148:fd96258d940d 254 *
Kojto 148:fd96258d940d 255 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 256 */
Kojto 148:fd96258d940d 257 __STATIC_INLINE void nrf_spis_disable(NRF_SPIS_Type * p_spis);
Kojto 148:fd96258d940d 258
Kojto 148:fd96258d940d 259 /**
Kojto 148:fd96258d940d 260 * @brief Function for retrieving the SPIS semaphore status.
Kojto 148:fd96258d940d 261 *
Kojto 148:fd96258d940d 262 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 263 *
Kojto 148:fd96258d940d 264 * @returns Current semaphore status.
Kojto 148:fd96258d940d 265 */
Kojto 148:fd96258d940d 266 __STATIC_INLINE nrf_spis_semstat_t nrf_spis_semaphore_status_get(NRF_SPIS_Type * p_spis);
Kojto 148:fd96258d940d 267
Kojto 148:fd96258d940d 268 /**
Kojto 148:fd96258d940d 269 * @brief Function for retrieving the SPIS status.
Kojto 148:fd96258d940d 270 *
Kojto 148:fd96258d940d 271 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 272 *
Kojto 148:fd96258d940d 273 * @returns Current SPIS status.
Kojto 148:fd96258d940d 274 */
Kojto 148:fd96258d940d 275 __STATIC_INLINE nrf_spis_status_mask_t nrf_spis_status_get(NRF_SPIS_Type * p_spis);
Kojto 148:fd96258d940d 276
Kojto 148:fd96258d940d 277 /**
Kojto 148:fd96258d940d 278 * @brief Function for configuring SPIS pins.
Kojto 148:fd96258d940d 279 *
Kojto 148:fd96258d940d 280 * If a given signal is not needed, pass the @ref NRF_SPIS_PIN_NOT_CONNECTED
Kojto 148:fd96258d940d 281 * value instead of its pin number.
Kojto 148:fd96258d940d 282 *
Kojto 148:fd96258d940d 283 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 284 * @param[in] sck_pin SCK pin number.
Kojto 148:fd96258d940d 285 * @param[in] mosi_pin MOSI pin number.
Kojto 148:fd96258d940d 286 * @param[in] miso_pin MISO pin number.
Kojto 148:fd96258d940d 287 * @param[in] csn_pin CSN pin number.
Kojto 148:fd96258d940d 288 */
Kojto 148:fd96258d940d 289 __STATIC_INLINE void nrf_spis_pins_set(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 290 uint32_t sck_pin,
Kojto 148:fd96258d940d 291 uint32_t mosi_pin,
Kojto 148:fd96258d940d 292 uint32_t miso_pin,
Kojto 148:fd96258d940d 293 uint32_t csn_pin);
Kojto 148:fd96258d940d 294
Kojto 148:fd96258d940d 295 /**
Kojto 148:fd96258d940d 296 * @brief Function for setting the transmit buffer.
Kojto 148:fd96258d940d 297 *
Kojto 148:fd96258d940d 298 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 299 * @param[in] p_buffer Pointer to the buffer that contains the data to send.
Kojto 148:fd96258d940d 300 * @param[in] length Maximum number of data bytes to transmit.
Kojto 148:fd96258d940d 301 */
Kojto 148:fd96258d940d 302 __STATIC_INLINE void nrf_spis_tx_buffer_set(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 303 uint8_t const * p_buffer,
Kojto 148:fd96258d940d 304 uint8_t length);
Kojto 148:fd96258d940d 305
Kojto 148:fd96258d940d 306 /**
Kojto 148:fd96258d940d 307 * @brief Function for setting the receive buffer.
Kojto 148:fd96258d940d 308 *
Kojto 148:fd96258d940d 309 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 310 * @param[in] p_buffer Pointer to the buffer for received data.
Kojto 148:fd96258d940d 311 * @param[in] length Maximum number of data bytes to receive.
Kojto 148:fd96258d940d 312 */
Kojto 148:fd96258d940d 313 __STATIC_INLINE void nrf_spis_rx_buffer_set(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 314 uint8_t * p_buffer,
Kojto 148:fd96258d940d 315 uint8_t length);
Kojto 148:fd96258d940d 316
Kojto 148:fd96258d940d 317 /**
Kojto 148:fd96258d940d 318 * @brief Function for getting the number of bytes transmitted
Kojto 148:fd96258d940d 319 * in the last granted transaction.
Kojto 148:fd96258d940d 320 *
Kojto 148:fd96258d940d 321 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 322 *
Kojto 148:fd96258d940d 323 * @returns Number of bytes transmitted.
Kojto 148:fd96258d940d 324 */
Kojto 148:fd96258d940d 325 __STATIC_INLINE uint8_t nrf_spis_tx_amount_get(NRF_SPIS_Type const * p_spis);
Kojto 148:fd96258d940d 326
Kojto 148:fd96258d940d 327 /**
Kojto 148:fd96258d940d 328 * @brief Function for getting the number of bytes received
Kojto 148:fd96258d940d 329 * in the last granted transaction.
Kojto 148:fd96258d940d 330 *
Kojto 148:fd96258d940d 331 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 332 *
Kojto 148:fd96258d940d 333 * @returns Number of bytes received.
Kojto 148:fd96258d940d 334 */
Kojto 148:fd96258d940d 335 __STATIC_INLINE uint8_t nrf_spis_rx_amount_get(NRF_SPIS_Type const * p_spis);
Kojto 148:fd96258d940d 336
Kojto 148:fd96258d940d 337 /**
Kojto 148:fd96258d940d 338 * @brief Function for setting the SPI configuration.
Kojto 148:fd96258d940d 339 *
Kojto 148:fd96258d940d 340 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 341 * @param[in] spi_mode SPI mode.
Kojto 148:fd96258d940d 342 * @param[in] spi_bit_order SPI bit order.
Kojto 148:fd96258d940d 343 */
Kojto 148:fd96258d940d 344 __STATIC_INLINE void nrf_spis_configure(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 345 nrf_spis_mode_t spi_mode,
Kojto 148:fd96258d940d 346 nrf_spis_bit_order_t spi_bit_order);
Kojto 148:fd96258d940d 347
Kojto 148:fd96258d940d 348 /**
Kojto 148:fd96258d940d 349 * @brief Function for setting the default character.
Kojto 148:fd96258d940d 350 *
Kojto 148:fd96258d940d 351 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 352 * @param[in] def Default character that is clocked out in case of
Kojto 148:fd96258d940d 353 * an overflow of the RXD buffer.
Kojto 148:fd96258d940d 354 */
Kojto 148:fd96258d940d 355 __STATIC_INLINE void nrf_spis_def_set(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 356 uint8_t def);
Kojto 148:fd96258d940d 357
Kojto 148:fd96258d940d 358 /**
Kojto 148:fd96258d940d 359 * @brief Function for setting the over-read character.
Kojto 148:fd96258d940d 360 *
Kojto 148:fd96258d940d 361 * @param[in] p_spis SPIS instance.
Kojto 148:fd96258d940d 362 * @param[in] orc Over-read character that is clocked out in case of
Kojto 148:fd96258d940d 363 * an over-read of the TXD buffer.
Kojto 148:fd96258d940d 364 */
Kojto 148:fd96258d940d 365 __STATIC_INLINE void nrf_spis_orc_set(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 366 uint8_t orc);
Kojto 148:fd96258d940d 367
Kojto 148:fd96258d940d 368
Kojto 148:fd96258d940d 369 #ifndef SUPPRESS_INLINE_IMPLEMENTATION
Kojto 148:fd96258d940d 370
Kojto 148:fd96258d940d 371 __STATIC_INLINE void nrf_spis_task_trigger(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 372 nrf_spis_task_t spis_task)
Kojto 148:fd96258d940d 373 {
Kojto 148:fd96258d940d 374 *((volatile uint32_t *)((uint8_t *)p_spis + (uint32_t)spis_task)) = 0x1UL;
Kojto 148:fd96258d940d 375 }
Kojto 148:fd96258d940d 376
Kojto 148:fd96258d940d 377 __STATIC_INLINE uint32_t nrf_spis_task_address_get(NRF_SPIS_Type const * p_spis,
Kojto 148:fd96258d940d 378 nrf_spis_task_t spis_task)
Kojto 148:fd96258d940d 379 {
Kojto 148:fd96258d940d 380 return (uint32_t)p_spis + (uint32_t)spis_task;
Kojto 148:fd96258d940d 381 }
Kojto 148:fd96258d940d 382
Kojto 148:fd96258d940d 383 __STATIC_INLINE void nrf_spis_event_clear(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 384 nrf_spis_event_t spis_event)
Kojto 148:fd96258d940d 385 {
Kojto 148:fd96258d940d 386 *((volatile uint32_t *)((uint8_t *)p_spis + (uint32_t)spis_event)) = 0x0UL;
Kojto 148:fd96258d940d 387 }
Kojto 148:fd96258d940d 388
Kojto 148:fd96258d940d 389 __STATIC_INLINE bool nrf_spis_event_check(NRF_SPIS_Type const * p_spis,
Kojto 148:fd96258d940d 390 nrf_spis_event_t spis_event)
Kojto 148:fd96258d940d 391 {
Kojto 148:fd96258d940d 392 return (bool)*(volatile uint32_t *)((uint8_t *)p_spis + (uint32_t)spis_event);
Kojto 148:fd96258d940d 393 }
Kojto 148:fd96258d940d 394
Kojto 148:fd96258d940d 395 __STATIC_INLINE uint32_t nrf_spis_event_address_get(NRF_SPIS_Type const * p_spis,
Kojto 148:fd96258d940d 396 nrf_spis_event_t spis_event)
Kojto 148:fd96258d940d 397 {
Kojto 148:fd96258d940d 398 return (uint32_t)p_spis + (uint32_t)spis_event;
Kojto 148:fd96258d940d 399 }
Kojto 148:fd96258d940d 400
Kojto 148:fd96258d940d 401 __STATIC_INLINE void nrf_spis_shorts_enable(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 402 uint32_t spis_shorts_mask)
Kojto 148:fd96258d940d 403 {
Kojto 148:fd96258d940d 404 p_spis->SHORTS |= spis_shorts_mask;
Kojto 148:fd96258d940d 405 }
Kojto 148:fd96258d940d 406
Kojto 148:fd96258d940d 407 __STATIC_INLINE void nrf_spis_shorts_disable(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 408 uint32_t spis_shorts_mask)
Kojto 148:fd96258d940d 409 {
Kojto 148:fd96258d940d 410 p_spis->SHORTS &= ~(spis_shorts_mask);
Kojto 148:fd96258d940d 411 }
Kojto 148:fd96258d940d 412
Kojto 148:fd96258d940d 413 __STATIC_INLINE void nrf_spis_int_enable(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 414 uint32_t spis_int_mask)
Kojto 148:fd96258d940d 415 {
Kojto 148:fd96258d940d 416 p_spis->INTENSET = spis_int_mask;
Kojto 148:fd96258d940d 417 }
Kojto 148:fd96258d940d 418
Kojto 148:fd96258d940d 419 __STATIC_INLINE void nrf_spis_int_disable(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 420 uint32_t spis_int_mask)
Kojto 148:fd96258d940d 421 {
Kojto 148:fd96258d940d 422 p_spis->INTENCLR = spis_int_mask;
Kojto 148:fd96258d940d 423 }
Kojto 148:fd96258d940d 424
Kojto 148:fd96258d940d 425 __STATIC_INLINE bool nrf_spis_int_enable_check(NRF_SPIS_Type const * p_spis,
Kojto 148:fd96258d940d 426 nrf_spis_int_mask_t spis_int)
Kojto 148:fd96258d940d 427 {
Kojto 148:fd96258d940d 428 return (bool)(p_spis->INTENSET & spis_int);
Kojto 148:fd96258d940d 429 }
Kojto 148:fd96258d940d 430
Kojto 148:fd96258d940d 431 __STATIC_INLINE void nrf_spis_enable(NRF_SPIS_Type * p_spis)
Kojto 148:fd96258d940d 432 {
Kojto 148:fd96258d940d 433 p_spis->ENABLE = (SPIS_ENABLE_ENABLE_Enabled << SPIS_ENABLE_ENABLE_Pos);
Kojto 148:fd96258d940d 434 }
Kojto 148:fd96258d940d 435
Kojto 148:fd96258d940d 436 __STATIC_INLINE void nrf_spis_disable(NRF_SPIS_Type * p_spis)
Kojto 148:fd96258d940d 437 {
Kojto 148:fd96258d940d 438 p_spis->ENABLE = (SPIS_ENABLE_ENABLE_Disabled << SPIS_ENABLE_ENABLE_Pos);
Kojto 148:fd96258d940d 439 }
Kojto 148:fd96258d940d 440
Kojto 148:fd96258d940d 441 __STATIC_INLINE nrf_spis_semstat_t nrf_spis_semaphore_status_get(NRF_SPIS_Type * p_spis)
Kojto 148:fd96258d940d 442 {
Kojto 148:fd96258d940d 443 return (nrf_spis_semstat_t) ((p_spis->SEMSTAT & SPIS_SEMSTAT_SEMSTAT_Msk)
Kojto 148:fd96258d940d 444 >> SPIS_SEMSTAT_SEMSTAT_Pos);
Kojto 148:fd96258d940d 445 }
Kojto 148:fd96258d940d 446
Kojto 148:fd96258d940d 447 __STATIC_INLINE nrf_spis_status_mask_t nrf_spis_status_get(NRF_SPIS_Type * p_spis)
Kojto 148:fd96258d940d 448 {
Kojto 148:fd96258d940d 449 return (nrf_spis_status_mask_t) p_spis->STATUS;
Kojto 148:fd96258d940d 450 }
Kojto 148:fd96258d940d 451
Kojto 148:fd96258d940d 452 __STATIC_INLINE void nrf_spis_pins_set(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 453 uint32_t sck_pin,
Kojto 148:fd96258d940d 454 uint32_t mosi_pin,
Kojto 148:fd96258d940d 455 uint32_t miso_pin,
Kojto 148:fd96258d940d 456 uint32_t csn_pin)
Kojto 148:fd96258d940d 457 {
Kojto 148:fd96258d940d 458 p_spis->PSELSCK = sck_pin;
Kojto 148:fd96258d940d 459 p_spis->PSELMOSI = mosi_pin;
Kojto 148:fd96258d940d 460 p_spis->PSELMISO = miso_pin;
Kojto 148:fd96258d940d 461 p_spis->PSELCSN = csn_pin;
Kojto 148:fd96258d940d 462 }
Kojto 148:fd96258d940d 463
Kojto 148:fd96258d940d 464 __STATIC_INLINE void nrf_spis_tx_buffer_set(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 465 uint8_t const * p_buffer,
Kojto 148:fd96258d940d 466 uint8_t length)
Kojto 148:fd96258d940d 467 {
Kojto 148:fd96258d940d 468 p_spis->TXDPTR = (uint32_t)p_buffer;
Kojto 148:fd96258d940d 469 p_spis->MAXTX = length;
Kojto 148:fd96258d940d 470 }
Kojto 148:fd96258d940d 471
Kojto 148:fd96258d940d 472 __STATIC_INLINE void nrf_spis_rx_buffer_set(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 473 uint8_t * p_buffer,
Kojto 148:fd96258d940d 474 uint8_t length)
Kojto 148:fd96258d940d 475 {
Kojto 148:fd96258d940d 476 p_spis->RXDPTR = (uint32_t)p_buffer;
Kojto 148:fd96258d940d 477 p_spis->MAXRX = length;
Kojto 148:fd96258d940d 478 }
Kojto 148:fd96258d940d 479
Kojto 148:fd96258d940d 480 __STATIC_INLINE uint8_t nrf_spis_tx_amount_get(NRF_SPIS_Type const * p_spis)
Kojto 148:fd96258d940d 481 {
Kojto 148:fd96258d940d 482 return (uint8_t) p_spis->AMOUNTRX;
Kojto 148:fd96258d940d 483 }
Kojto 148:fd96258d940d 484
Kojto 148:fd96258d940d 485 __STATIC_INLINE uint8_t nrf_spis_rx_amount_get(NRF_SPIS_Type const * p_spis)
Kojto 148:fd96258d940d 486 {
Kojto 148:fd96258d940d 487 return (uint8_t) p_spis->AMOUNTTX;
Kojto 148:fd96258d940d 488 }
Kojto 148:fd96258d940d 489
Kojto 148:fd96258d940d 490 __STATIC_INLINE void nrf_spis_configure(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 491 nrf_spis_mode_t spi_mode,
Kojto 148:fd96258d940d 492 nrf_spis_bit_order_t spi_bit_order)
Kojto 148:fd96258d940d 493 {
Kojto 148:fd96258d940d 494 uint32_t config = (spi_bit_order == NRF_SPIS_BIT_ORDER_MSB_FIRST ?
Kojto 148:fd96258d940d 495 SPIS_CONFIG_ORDER_MsbFirst : SPIS_CONFIG_ORDER_LsbFirst);
Kojto 148:fd96258d940d 496
Kojto 148:fd96258d940d 497 switch (spi_mode)
Kojto 148:fd96258d940d 498 {
Kojto 148:fd96258d940d 499 default:
Kojto 148:fd96258d940d 500 case NRF_SPIS_MODE_0:
Kojto 148:fd96258d940d 501 config |= (SPIS_CONFIG_CPOL_ActiveHigh << SPIS_CONFIG_CPOL_Pos) |
Kojto 148:fd96258d940d 502 (SPIS_CONFIG_CPHA_Leading << SPIS_CONFIG_CPHA_Pos);
Kojto 148:fd96258d940d 503 break;
Kojto 148:fd96258d940d 504
Kojto 148:fd96258d940d 505 case NRF_SPIS_MODE_1:
Kojto 148:fd96258d940d 506 config |= (SPIS_CONFIG_CPOL_ActiveHigh << SPIS_CONFIG_CPOL_Pos) |
Kojto 148:fd96258d940d 507 (SPIS_CONFIG_CPHA_Trailing << SPIS_CONFIG_CPHA_Pos);
Kojto 148:fd96258d940d 508 break;
Kojto 148:fd96258d940d 509
Kojto 148:fd96258d940d 510 case NRF_SPIS_MODE_2:
Kojto 148:fd96258d940d 511 config |= (SPIS_CONFIG_CPOL_ActiveLow << SPIS_CONFIG_CPOL_Pos) |
Kojto 148:fd96258d940d 512 (SPIS_CONFIG_CPHA_Leading << SPIS_CONFIG_CPHA_Pos);
Kojto 148:fd96258d940d 513 break;
Kojto 148:fd96258d940d 514
Kojto 148:fd96258d940d 515 case NRF_SPIS_MODE_3:
Kojto 148:fd96258d940d 516 config |= (SPIS_CONFIG_CPOL_ActiveLow << SPIS_CONFIG_CPOL_Pos) |
Kojto 148:fd96258d940d 517 (SPIS_CONFIG_CPHA_Trailing << SPIS_CONFIG_CPHA_Pos);
Kojto 148:fd96258d940d 518 break;
Kojto 148:fd96258d940d 519 }
Kojto 148:fd96258d940d 520 p_spis->CONFIG = config;
Kojto 148:fd96258d940d 521 }
Kojto 148:fd96258d940d 522
Kojto 148:fd96258d940d 523 __STATIC_INLINE void nrf_spis_orc_set(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 524 uint8_t orc)
Kojto 148:fd96258d940d 525 {
Kojto 148:fd96258d940d 526 p_spis->ORC = orc;
Kojto 148:fd96258d940d 527 }
Kojto 148:fd96258d940d 528
Kojto 148:fd96258d940d 529 __STATIC_INLINE void nrf_spis_def_set(NRF_SPIS_Type * p_spis,
Kojto 148:fd96258d940d 530 uint8_t def)
Kojto 148:fd96258d940d 531 {
Kojto 148:fd96258d940d 532 p_spis->DEF = def;
Kojto 148:fd96258d940d 533 }
Kojto 148:fd96258d940d 534
Kojto 148:fd96258d940d 535 #endif // SUPPRESS_INLINE_IMPLEMENTATION
Kojto 148:fd96258d940d 536
Kojto 148:fd96258d940d 537 #endif // NRF_SPIS_H__
Kojto 148:fd96258d940d 538
Kojto 148:fd96258d940d 539 /** @} */