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Diffstat (limited to 'drivers_nrf/hal/nrf_qspi.h')
| -rw-r--r-- | drivers_nrf/hal/nrf_qspi.h | 765 |
1 files changed, 765 insertions, 0 deletions
diff --git a/drivers_nrf/hal/nrf_qspi.h b/drivers_nrf/hal/nrf_qspi.h new file mode 100644 index 0000000..72b2d72 --- /dev/null +++ b/drivers_nrf/hal/nrf_qspi.h @@ -0,0 +1,765 @@ +/** + * Copyright (c) 2016 - 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. + * + */ +/** + * @defgroup nrf_qspi_hal QSPI HAL + * @{ + * @ingroup nrf_qspi + * + * @brief Hardware access layer for accessing the QSPI peripheral. + */ + +#ifndef NRF_QSPI_H__ +#define NRF_QSPI_H__ + +#include <stddef.h> +#include <stdbool.h> +#include "boards.h" +#include "nrf.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief This value can be used as a parameter for the @ref nrf_qspi_pins_set + * function to specify that a given QSPI signal (SCK, CSN, IO0, IO1, IO2, or IO3) + * will not be connected to a physical pin. + */ +#define NRF_QSPI_PIN_NOT_CONNECTED 0xFF + +/** + * @brief Macro for setting proper values to pin registers. + */ + +#define NRF_QSPI_PIN_VAL(pin) (pin) == NRF_QSPI_PIN_NOT_CONNECTED ? 0xFFFFFFFF : (pin) + +/** + * @brief QSPI tasks. + */ +typedef enum +{ + /*lint -save -e30*/ + NRF_QSPI_TASK_ACTIVATE = offsetof(NRF_QSPI_Type, TASKS_ACTIVATE), /**< Activate the QSPI interface. */ + NRF_QSPI_TASK_READSTART = offsetof(NRF_QSPI_Type, TASKS_READSTART), /**< Start transfer from external flash memory to internal RAM. */ + NRF_QSPI_TASK_WRITESTART = offsetof(NRF_QSPI_Type, TASKS_WRITESTART), /**< Start transfer from internal RAM to external flash memory. */ + NRF_QSPI_TASK_ERASESTART = offsetof(NRF_QSPI_Type, TASKS_ERASESTART), /**< Start external flash memory erase operation. */ + /*lint -restore*/ +} nrf_qspi_task_t; + +/** + * @brief QSPI events. + */ +typedef enum +{ + /*lint -save -e30*/ + NRF_QSPI_EVENT_READY = offsetof(NRF_QSPI_Type, EVENTS_READY) /**< QSPI peripheral is ready after it executes any task. */ + /*lint -restore*/ +} nrf_qspi_event_t; + +/** + * @brief QSPI interrupts. + */ +typedef enum +{ + NRF_QSPI_INT_READY_MASK = QSPI_INTENSET_READY_Msk /**< Interrupt on READY event. */ +} nrf_qspi_int_mask_t; + +/** + * @brief QSPI frequency divider values. + */ +typedef enum +{ + NRF_QSPI_FREQ_32MDIV1, /**< 32.0 MHz. */ + NRF_QSPI_FREQ_32MDIV2, /**< 16.0 MHz. */ + NRF_QSPI_FREQ_32MDIV3, /**< 10.6 MHz. */ + NRF_QSPI_FREQ_32MDIV4, /**< 8.00 MHz. */ + NRF_QSPI_FREQ_32MDIV5, /**< 6.40 MHz. */ + NRF_QSPI_FREQ_32MDIV6, /**< 5.33 MHz. */ + NRF_QSPI_FREQ_32MDIV7, /**< 4.57 MHz. */ + NRF_QSPI_FREQ_32MDIV8, /**< 4.00 MHz. */ + NRF_QSPI_FREQ_32MDIV9, /**< 3.55 MHz. */ + NRF_QSPI_FREQ_32MDIV10, /**< 3.20 MHz. */ + NRF_QSPI_FREQ_32MDIV11, /**< 2.90 MHz. */ + NRF_QSPI_FREQ_32MDIV12, /**< 2.66 MHz. */ + NRF_QSPI_FREQ_32MDIV13, /**< 2.46 MHz. */ + NRF_QSPI_FREQ_32MDIV14, /**< 2.29 MHz. */ + NRF_QSPI_FREQ_32MDIV15, /**< 2.13 MHz. */ + NRF_QSPI_FREQ_32MDIV16, /**< 2.00 MHz. */ +} nrf_qspi_frequency_t; + +/** + * @brief Interface configuration for a read operation. + */ +typedef enum +{ + NRF_QSPI_READOC_FASTREAD = QSPI_IFCONFIG0_READOC_FASTREAD, /**< Single data line SPI. FAST_READ (opcode 0x0B). */ + NRF_QSPI_READOC_READ2O = QSPI_IFCONFIG0_READOC_READ2O, /**< Dual data line SPI. READ2O (opcode 0x3B). */ + NRF_QSPI_READOC_READ2IO = QSPI_IFCONFIG0_READOC_READ2IO, /**< Dual data line SPI. READ2IO (opcode 0xBB). */ + NRF_QSPI_READOC_READ4O = QSPI_IFCONFIG0_READOC_READ4O, /**< Quad data line SPI. READ4O (opcode 0x6B). */ + NRF_QSPI_READOC_READ4IO = QSPI_IFCONFIG0_READOC_READ4IO /**< Quad data line SPI. READ4IO (opcode 0xEB). */ +} nrf_qspi_readoc_t; + +/** + * @brief Interface configuration for a write operation. + */ +typedef enum +{ + NRF_QSPI_WRITEOC_PP = QSPI_IFCONFIG0_WRITEOC_PP, /**< Single data line SPI. PP (opcode 0x02). */ + NRF_QSPI_WRITEOC_PP2O = QSPI_IFCONFIG0_WRITEOC_PP2O, /**< Dual data line SPI. PP2O (opcode 0xA2). */ + NRF_QSPI_WRITEOC_PP4O = QSPI_IFCONFIG0_WRITEOC_PP4O, /**< Quad data line SPI. PP4O (opcode 0x32). */ + NRF_QSPI_WRITEOC_PP4IO = QSPI_IFCONFIG0_WRITEOC_PP4IO, /**< Quad data line SPI. READ4O (opcode 0x38). */ +} nrf_qspi_writeoc_t; + +/** + * @brief Interface configuration for addressing mode. + */ +typedef enum +{ + NRF_QSPI_ADDRMODE_24BIT = QSPI_IFCONFIG0_ADDRMODE_24BIT, /**< 24-bit addressing. */ + NRF_QSPI_ADDRMODE_32BIT = QSPI_IFCONFIG0_ADDRMODE_32BIT /**< 32-bit addressing. */ +} nrf_qspi_addrmode_t; + +/** + * @brief QSPI SPI mode. Polarization and phase configuration. + */ +typedef enum +{ + NRF_QSPI_MODE_0 = QSPI_IFCONFIG1_SPIMODE_MODE0, /**< Mode 0 (CPOL=0, CPHA=0). */ + NRF_QSPI_MODE_1 = QSPI_IFCONFIG1_SPIMODE_MODE3 /**< Mode 1 (CPOL=1, CPHA=1). */ +} nrf_qspi_spi_mode_t; + +/** + * @brief Addressing configuration mode. + */ +typedef enum +{ + NRF_QSPI_ADDRCONF_MODE_NOINSTR = QSPI_ADDRCONF_MODE_NoInstr, /**< Do not send any instruction. */ + NRF_QSPI_ADDRCONF_MODE_OPCODE = QSPI_ADDRCONF_MODE_Opcode, /**< Send opcode. */ + NRF_QSPI_ADDRCONF_MODE_OPBYTE0 = QSPI_ADDRCONF_MODE_OpByte0, /**< Send opcode, byte0. */ + NRF_QSPI_ADDRCONF_MODE_ALL = QSPI_ADDRCONF_MODE_All /**< Send opcode, byte0, byte1. */ +} nrf_qspi_addrconfig_mode_t; + +/** + * @brief Erasing data length. + */ +typedef enum +{ + NRF_QSPI_ERASE_LEN_4KB = QSPI_ERASE_LEN_LEN_4KB, /**< Erase 4 kB block (flash command 0x20). */ + NRF_QSPI_ERASE_LEN_64KB = QSPI_ERASE_LEN_LEN_64KB, /**< Erase 64 kB block (flash command 0xD8). */ + NRF_QSPI_ERASE_LEN_ALL = QSPI_ERASE_LEN_LEN_All /**< Erase all (flash command 0xC7). */ +} nrf_qspi_erase_len_t; + +/** + * @brief Custom instruction length. + */ +typedef enum +{ + NRF_QSPI_CINSTR_LEN_1B = QSPI_CINSTRCONF_LENGTH_1B, /**< Send opcode only. */ + NRF_QSPI_CINSTR_LEN_2B = QSPI_CINSTRCONF_LENGTH_2B, /**< Send opcode, CINSTRDAT0.BYTE0. */ + NRF_QSPI_CINSTR_LEN_3B = QSPI_CINSTRCONF_LENGTH_3B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT0.BYTE1. */ + NRF_QSPI_CINSTR_LEN_4B = QSPI_CINSTRCONF_LENGTH_4B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT0.BYTE2. */ + NRF_QSPI_CINSTR_LEN_5B = QSPI_CINSTRCONF_LENGTH_5B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT0.BYTE3. */ + NRF_QSPI_CINSTR_LEN_6B = QSPI_CINSTRCONF_LENGTH_6B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT1.BYTE4. */ + NRF_QSPI_CINSTR_LEN_7B = QSPI_CINSTRCONF_LENGTH_7B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT1.BYTE5. */ + NRF_QSPI_CINSTR_LEN_8B = QSPI_CINSTRCONF_LENGTH_8B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT1.BYTE6. */ + NRF_QSPI_CINSTR_LEN_9B = QSPI_CINSTRCONF_LENGTH_9B /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT1.BYTE7. */ +} nrf_qspi_cinstr_len_t; + +/** + * @brief Pins configuration. + */ +typedef struct +{ + uint8_t sck_pin; /**< SCK pin number. */ + uint8_t csn_pin; /**< Chip select pin number. */ + uint8_t io0_pin; /**< IO0/MOSI pin number. */ + uint8_t io1_pin; /**< IO1/MISO pin number. */ + uint8_t io2_pin; /**< IO2 pin number (optional). + * Set to @ref NRF_QSPI_PIN_NOT_CONNECTED if this signal is not needed. + */ + uint8_t io3_pin; /**< IO3 pin number (optional). + * Set to @ref NRF_QSPI_PIN_NOT_CONNECTED if this signal is not needed. + */ +} nrf_qspi_pins_t; + +/** + * @brief Custom instruction configuration. + */ +typedef struct +{ + uint8_t opcode; /**< Opcode used in custom instruction transmission. */ + nrf_qspi_cinstr_len_t length; /**< Length of the custom instruction data. */ + bool io2_level; /**< I/O line level during transmission. */ + bool io3_level; /**< I/O line level during transmission. */ + bool wipwait; /**< Wait if a Wait in Progress bit is set in the memory status byte. */ + bool wren; /**< Send write enable before instruction. */ +} nrf_qspi_cinstr_conf_t; + +/** + * @brief Addressing mode register configuration. See @ref nrf_qspi_addrconfig_set + */ +typedef struct +{ + uint8_t opcode; /**< Opcode used to enter proper addressing mode. */ + uint8_t byte0; /**< Byte following the opcode. */ + uint8_t byte1; /**< Byte following byte0. */ + nrf_qspi_addrconfig_mode_t mode; /**< Extended addresing mode. */ + bool wipwait; /**< Enable/disable waiting for complete operation execution. */ + bool wren; /**< Send write enable before instruction. */ +} nrf_qspi_addrconfig_conf_t; + +/** + * @brief Structure with QSPI protocol interface configuration. + */ +typedef struct +{ + nrf_qspi_readoc_t readoc; /**< Read operation code. */ + nrf_qspi_writeoc_t writeoc; /**< Write operation code. */ + nrf_qspi_addrmode_t addrmode; /**< Addresing mode (24-bit or 32-bit). */ + bool dpmconfig; /**< Enable the Deep Power-down Mode (DPM) feature. */ +} nrf_qspi_prot_conf_t; + +/** + * @brief QSPI physical interface configuration. + */ +typedef struct +{ + uint8_t sck_delay; /**< tSHSL, tWHSL, and tSHWL in number of 16 MHz periods (62.5ns). */ + bool dpmen; /**< Enable the DPM feature. */ + nrf_qspi_spi_mode_t spi_mode; /**< SPI phase and polarization. */ + nrf_qspi_frequency_t sck_freq; /**< SCK frequency given as enum @ref nrf_qspi_frequency_t. */ +} nrf_qspi_phy_conf_t; + +/** + * @brief Function for activating a specific QSPI task. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] task Task to activate. + */ +__STATIC_INLINE void nrf_qspi_task_trigger(NRF_QSPI_Type * p_reg, nrf_qspi_task_t task); + +/** + * @brief Function for getting the address of a specific QSPI task register. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] task Requested task. + * + * @return Address of the specified task register. + */ +__STATIC_INLINE uint32_t nrf_qspi_task_address_get(NRF_QSPI_Type const * p_reg, + nrf_qspi_task_t task); + +/** + * @brief Function for clearing a specific QSPI event. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] qspi_event Event to clear. + */ +__STATIC_INLINE void nrf_qspi_event_clear(NRF_QSPI_Type * p_reg, nrf_qspi_event_t qspi_event); + +/** + * @brief Function for checking the state of a specific SPI event. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] qspi_event Event to check. + * + * @retval true If the event is set. + * @retval false If the event is not set. + */ +__STATIC_INLINE bool nrf_qspi_event_check(NRF_QSPI_Type const * p_reg, nrf_qspi_event_t qspi_event); + +/** + * @brief Function for getting the address of a specific QSPI event register. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] qspi_event Requested event. + * + * @return Address of the specified event register. + */ +__STATIC_INLINE uint32_t * nrf_qspi_event_address_get(NRF_QSPI_Type const * p_reg, + nrf_qspi_event_t qspi_event); + +/** + * @brief Function for enabling specified interrupts. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] qspi_int_mask Interrupts to enable. + */ +__STATIC_INLINE void nrf_qspi_int_enable(NRF_QSPI_Type * p_reg, uint32_t qspi_int_mask); + +/** + * @brief Function for disabling specified interrupts. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] qspi_int_mask Interrupts to disable. + */ +__STATIC_INLINE void nrf_qspi_int_disable(NRF_QSPI_Type * p_reg, uint32_t qspi_int_mask); + +/** + * @brief Function for retrieving the state of a given interrupt. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] qspi_int Interrupt to check. + * + * @retval true If the interrupt is enabled. + * @retval false If the interrupt is not enabled. + */ +__STATIC_INLINE bool nrf_qspi_int_enable_check(NRF_QSPI_Type const * p_reg, + nrf_qspi_int_mask_t qspi_int); + +/** + * @brief Function for enabling the QSPI peripheral. + * + * @param[in] p_reg Pointer to the peripheral register structure. + */ +__STATIC_INLINE void nrf_qspi_enable(NRF_QSPI_Type * p_reg); + +/** + * @brief Function for disabling the QSPI peripheral. + * + * @param[in] p_reg Pointer to the peripheral register structure. + */ +__STATIC_INLINE void nrf_qspi_disable(NRF_QSPI_Type * p_reg); + +/** + * @brief Function for configuring QSPI pins. + * + * If a given signal is not needed, pass the @ref NRF_QSPI_PIN_NOT_CONNECTED + * value instead of its pin number. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] p_pins Pointer to the pins configuration structure. See @ref nrf_qspi_pins_t. + */ +__STATIC_INLINE void nrf_qspi_pins_set(NRF_QSPI_Type * p_reg, + const nrf_qspi_pins_t * p_pins); + +/** + * @brief Function for setting the QSPI IFCONFIG0 register. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] p_config Pointer to the QSPI protocol interface configuration structure. See @ref nrf_qspi_prot_conf_t. + */ +__STATIC_INLINE void nrf_qspi_ifconfig0_set(NRF_QSPI_Type * p_reg, + const nrf_qspi_prot_conf_t * p_config); + +/** + * @brief Function for setting the QSPI IFCONFIG1 register. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] p_config Pointer to the QSPI physical interface configuration structure. See @ref nrf_qspi_phy_conf_t. + */ +__STATIC_INLINE void nrf_qspi_ifconfig1_set(NRF_QSPI_Type * p_reg, + const nrf_qspi_phy_conf_t * p_config); + +/** + * @brief Function for setting the QSPI ADDRCONF register. + * + * Function must be executed before sending task NRF_QSPI_TASK_ACTIVATE. Data stored in the structure + * is sent during the start of the peripheral. Remember that the reset instruction can set + * addressing mode to default in the memory device. If memory reset is necessary before configuring + * the addressing mode, use custom instruction feature instead of this function. + * Case with reset: Enable the peripheral without setting ADDRCONF register, send reset instructions + * using a custom instruction feature (reset enable and then reset), set proper addressing mode + * using the custom instruction feature. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] p_config Pointer to the addressing mode configuration structure. See @ref nrf_qspi_addrconfig_conf_t. +*/ +__STATIC_INLINE void nrf_qspi_addrconfig_set(NRF_QSPI_Type * p_reg, + const nrf_qspi_addrconfig_conf_t * p_config); + +/** + * @brief Function for setting write data into the peripheral register (without starting the process). + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] p_buffer Pointer to the writing buffer. + * @param[in] length Lenght of the writing data. + * @param[in] dest_addr Address in memory to write to. + */ +__STATIC_INLINE void nrf_qspi_write_buffer_set(NRF_QSPI_Type * p_reg, + void const * p_buffer, + uint32_t length, + uint32_t dest_addr); + +/** + * @brief Function for setting read data into the peripheral register (without starting the process). + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[out] p_buffer Pointer to the reading buffer. + * @param[in] length Length of the read data. + * @param[in] src_addr Address in memory to read from. + */ +__STATIC_INLINE void nrf_qspi_read_buffer_set(NRF_QSPI_Type * p_reg, + void * p_buffer, + uint32_t length, + uint32_t src_addr); + +/** + * @brief Function for setting erase data into the peripheral register (without starting the process). + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] erase_addr Start address to erase. Address must have padding set to 4 bytes. + * @param[in] len Size of erasing area. + */ +__STATIC_INLINE void nrf_qspi_erase_ptr_set(NRF_QSPI_Type * p_reg, + uint32_t erase_addr, + nrf_qspi_erase_len_t len); + +/** + * @brief Function for getting the peripheral status register. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * + * @return Peripheral status register. + */ +__STATIC_INLINE uint32_t nrf_qspi_status_reg_get(NRF_QSPI_Type const * p_reg); + +/** + * @brief Function for getting the device status register stored in the peripheral status register. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * + * @return Device status register (lower byte). + */ +__STATIC_INLINE uint8_t nrf_qspi_sreg_get(NRF_QSPI_Type const * p_reg); + +/** + * @brief Function for checking if the peripheral is busy or not. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * + * @retval true If QSPI is busy. + * @retval false If QSPI is ready. + */ +__STATIC_INLINE bool nrf_qspi_busy_check(NRF_QSPI_Type const * p_reg); + +/** + * @brief Function for setting registers sending with custom instruction transmission. + * + * This function can be ommited when using NRF_QSPI_CINSTR_LEN_1B as the length argument + * (sending only opcode without data). + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] length Length of the custom instruction data. + * @param[in] p_tx_data Pointer to the data to send with the custom instruction. + */ +__STATIC_INLINE void nrf_qspi_cinstrdata_set(NRF_QSPI_Type * p_reg, + nrf_qspi_cinstr_len_t length, + void const * p_tx_data); + +/** + * @brief Function for getting data from register after custom instruction transmission. + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] length Length of the custom instruction data. + * @param[in] p_rx_data Pointer to the reading buffer. + */ +__STATIC_INLINE void nrf_qspi_cinstrdata_get(NRF_QSPI_Type const * p_reg, + nrf_qspi_cinstr_len_t length, + void * p_rx_data); + +/** + * @brief Function for sending custom instruction to external memory. + * + * @param[in] p_reg Pointer to the peripheral register structure. + * @param[in] p_config Pointer to the custom instruction configuration structure. See @ref nrf_qspi_cinstr_conf_t. + */ + +__STATIC_INLINE void nrf_qspi_cinstr_transfer_start(NRF_QSPI_Type * p_reg, + const nrf_qspi_cinstr_conf_t * p_config); + +#ifndef SUPPRESS_INLINE_IMPLEMENTATION + +__STATIC_INLINE void nrf_qspi_task_trigger(NRF_QSPI_Type * p_reg, nrf_qspi_task_t task) +{ + *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)task)) = 0x1UL; +} + +__STATIC_INLINE uint32_t nrf_qspi_task_address_get(NRF_QSPI_Type const * p_reg, + nrf_qspi_task_t task) +{ + return ((uint32_t)p_reg + (uint32_t)task); +} + +__STATIC_INLINE void nrf_qspi_event_clear(NRF_QSPI_Type * p_reg, nrf_qspi_event_t qspi_event) +{ + *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)qspi_event)) = 0x0UL; +} + +__STATIC_INLINE bool nrf_qspi_event_check(NRF_QSPI_Type const * p_reg, nrf_qspi_event_t qspi_event) +{ + return (bool)*(volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)qspi_event); +} + +__STATIC_INLINE uint32_t * nrf_qspi_event_address_get(NRF_QSPI_Type const * p_reg, + nrf_qspi_event_t qspi_event) +{ + return (uint32_t *)((uint8_t *)p_reg + (uint32_t)qspi_event); +} + +__STATIC_INLINE void nrf_qspi_int_enable(NRF_QSPI_Type * p_reg, uint32_t qspi_int_mask) +{ + p_reg->INTENSET = qspi_int_mask; +} + +__STATIC_INLINE void nrf_qspi_int_disable(NRF_QSPI_Type * p_reg, uint32_t qspi_int_mask) +{ + p_reg->INTENCLR = qspi_int_mask; +} + +__STATIC_INLINE bool nrf_qspi_int_enable_check(NRF_QSPI_Type const * p_reg, + nrf_qspi_int_mask_t qspi_int) +{ + return (bool)(p_reg->INTENSET & qspi_int); +} + +__STATIC_INLINE void nrf_qspi_enable(NRF_QSPI_Type * p_reg) +{ + p_reg->ENABLE = (QSPI_ENABLE_ENABLE_Enabled << QSPI_ENABLE_ENABLE_Pos); +} + +__STATIC_INLINE void nrf_qspi_disable(NRF_QSPI_Type * p_reg) +{ + p_reg->ENABLE = (QSPI_ENABLE_ENABLE_Disabled << QSPI_ENABLE_ENABLE_Pos); +} + +__STATIC_INLINE void nrf_qspi_pins_set(NRF_QSPI_Type * p_reg, const nrf_qspi_pins_t * p_pins) +{ + p_reg->PSEL.SCK = NRF_QSPI_PIN_VAL(p_pins->sck_pin); + p_reg->PSEL.CSN = NRF_QSPI_PIN_VAL(p_pins->csn_pin); + p_reg->PSEL.IO0 = NRF_QSPI_PIN_VAL(p_pins->io0_pin); + p_reg->PSEL.IO1 = NRF_QSPI_PIN_VAL(p_pins->io1_pin); + p_reg->PSEL.IO2 = NRF_QSPI_PIN_VAL(p_pins->io2_pin); + p_reg->PSEL.IO3 = NRF_QSPI_PIN_VAL(p_pins->io3_pin); +} + +__STATIC_INLINE void nrf_qspi_ifconfig0_set(NRF_QSPI_Type * p_reg, + const nrf_qspi_prot_conf_t * p_config) +{ + uint32_t config = p_config->readoc; + config |= ((uint32_t)p_config->writeoc) << QSPI_IFCONFIG0_WRITEOC_Pos; + config |= ((uint32_t)p_config->addrmode) << QSPI_IFCONFIG0_ADDRMODE_Pos; + config |= (p_config->dpmconfig ? 1U : 0U ) << QSPI_IFCONFIG0_DPMENABLE_Pos; + + p_reg->IFCONFIG0 = config; +} + +__STATIC_INLINE void nrf_qspi_ifconfig1_set(NRF_QSPI_Type * p_reg, + const nrf_qspi_phy_conf_t * p_config) +{ + // IFCONFIG1 mask for reserved fields in the register. + uint32_t config = p_reg->IFCONFIG1 & 0x00FFFF00; + config |= p_config->sck_delay; + config |= (p_config->dpmen ? 1U : 0U) << QSPI_IFCONFIG1_DPMEN_Pos; + config |= ((uint32_t)(p_config->spi_mode)) << QSPI_IFCONFIG1_SPIMODE_Pos; + config |= ((uint32_t)(p_config->sck_freq)) << QSPI_IFCONFIG1_SCKFREQ_Pos; + + p_reg->IFCONFIG1 = config; +} + +__STATIC_INLINE void nrf_qspi_addrconfig_set(NRF_QSPI_Type * p_reg, + const nrf_qspi_addrconfig_conf_t * p_config) +{ + uint32_t config = p_config->opcode; + config |= ((uint32_t)p_config->byte0) << QSPI_ADDRCONF_BYTE0_Pos; + config |= ((uint32_t)p_config->byte1) << QSPI_ADDRCONF_BYTE1_Pos; + config |= ((uint32_t)(p_config->mode)) << QSPI_ADDRCONF_MODE_Pos; + config |= (p_config->wipwait ? 1U : 0U) << QSPI_ADDRCONF_WIPWAIT_Pos; + config |= (p_config->wren ? 1U : 0U) << QSPI_ADDRCONF_WREN_Pos; + + p_reg->ADDRCONF = config; +} + +__STATIC_INLINE void nrf_qspi_write_buffer_set(NRF_QSPI_Type * p_reg, + void const * p_buffer, + uint32_t length, + uint32_t dest_addr) +{ + p_reg->WRITE.DST = dest_addr; + p_reg->WRITE.SRC = (uint32_t) p_buffer; + p_reg->WRITE.CNT = length; +} + +__STATIC_INLINE void nrf_qspi_read_buffer_set(NRF_QSPI_Type * p_reg, + void * p_buffer, + uint32_t length, + uint32_t src_addr) +{ + p_reg->READ.SRC = src_addr; + p_reg->READ.DST = (uint32_t) p_buffer; + p_reg->READ.CNT = length; +} + +__STATIC_INLINE void nrf_qspi_erase_ptr_set(NRF_QSPI_Type * p_reg, + uint32_t erase_addr, + nrf_qspi_erase_len_t len) +{ + p_reg->ERASE.PTR = erase_addr; + p_reg->ERASE.LEN = len; +} + +__STATIC_INLINE uint32_t nrf_qspi_status_reg_get(NRF_QSPI_Type const * p_reg) +{ + return p_reg->STATUS; +} + +__STATIC_INLINE uint8_t nrf_qspi_sreg_get(NRF_QSPI_Type const * p_reg) +{ + return (uint8_t)(p_reg->STATUS & QSPI_STATUS_SREG_Msk) >> QSPI_STATUS_SREG_Pos; +} + +__STATIC_INLINE bool nrf_qspi_busy_check(NRF_QSPI_Type const * p_reg) +{ + return ((p_reg->STATUS & QSPI_STATUS_READY_Msk) >> + QSPI_STATUS_READY_Pos) == QSPI_STATUS_READY_BUSY; +} + +__STATIC_INLINE void nrf_qspi_cinstrdata_set(NRF_QSPI_Type * p_reg, + nrf_qspi_cinstr_len_t length, + void const * p_tx_data) +{ + uint32_t reg = 0; + uint8_t const *p_tx_data_8 = (uint8_t const *) p_tx_data; + + // Load custom instruction. + switch (length) + { + case NRF_QSPI_CINSTR_LEN_9B: + reg |= ((uint32_t)p_tx_data_8[7]) << QSPI_CINSTRDAT1_BYTE7_Pos; + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_8B: + reg |= ((uint32_t)p_tx_data_8[6]) << QSPI_CINSTRDAT1_BYTE6_Pos; + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_7B: + reg |= ((uint32_t)p_tx_data_8[5]) << QSPI_CINSTRDAT1_BYTE5_Pos; + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_6B: + reg |= ((uint32_t)p_tx_data_8[4]); + p_reg->CINSTRDAT1 = reg; + reg = 0; + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_5B: + reg |= ((uint32_t)p_tx_data_8[3]) << QSPI_CINSTRDAT0_BYTE3_Pos; + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_4B: + reg |= ((uint32_t)p_tx_data_8[2]) << QSPI_CINSTRDAT0_BYTE2_Pos; + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_3B: + reg |= ((uint32_t)p_tx_data_8[1]) << QSPI_CINSTRDAT0_BYTE1_Pos; + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_2B: + reg |= ((uint32_t)p_tx_data_8[0]); + p_reg->CINSTRDAT0 = reg; + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_1B: + /* Send only opcode. Case to avoid compiler warnings. */ + break; + default: + break; + } +} + +__STATIC_INLINE void nrf_qspi_cinstrdata_get(NRF_QSPI_Type const * p_reg, + nrf_qspi_cinstr_len_t length, + void * p_rx_data) +{ + uint8_t *p_rx_data_8 = (uint8_t *) p_rx_data; + + uint32_t reg = p_reg->CINSTRDAT1; + switch (length) + { + case NRF_QSPI_CINSTR_LEN_9B: + p_rx_data_8[7] = (uint8_t)(reg >> QSPI_CINSTRDAT1_BYTE7_Pos); + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_8B: + p_rx_data_8[6] = (uint8_t)(reg >> QSPI_CINSTRDAT1_BYTE6_Pos); + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_7B: + p_rx_data_8[5] = (uint8_t)(reg >> QSPI_CINSTRDAT1_BYTE5_Pos); + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_6B: + p_rx_data_8[4] = (uint8_t)(reg); + /* fall-through */ + default: + break; + } + + reg = p_reg->CINSTRDAT0; + switch (length) + { + case NRF_QSPI_CINSTR_LEN_5B: + p_rx_data_8[3] = (uint8_t)(reg >> QSPI_CINSTRDAT0_BYTE3_Pos); + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_4B: + p_rx_data_8[2] = (uint8_t)(reg >> QSPI_CINSTRDAT0_BYTE2_Pos); + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_3B: + p_rx_data_8[1] = (uint8_t)(reg >> QSPI_CINSTRDAT0_BYTE1_Pos); + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_2B: + p_rx_data_8[0] = (uint8_t)(reg); + /* fall-through */ + case NRF_QSPI_CINSTR_LEN_1B: + /* Send only opcode. Case to avoid compiler warnings. */ + break; + default: + break; + } +} + +__STATIC_INLINE void nrf_qspi_cinstr_transfer_start(NRF_QSPI_Type * p_reg, + const nrf_qspi_cinstr_conf_t * p_config) +{ + p_reg->CINSTRCONF = (((uint32_t)p_config->opcode << QSPI_CINSTRCONF_OPCODE_Pos) | + ((uint32_t)p_config->length << QSPI_CINSTRCONF_LENGTH_Pos) | + ((uint32_t)p_config->io2_level << QSPI_CINSTRCONF_LIO2_Pos) | + ((uint32_t)p_config->io3_level << QSPI_CINSTRCONF_LIO3_Pos) | + ((uint32_t)p_config->wipwait << QSPI_CINSTRCONF_WIPWAIT_Pos) | + ((uint32_t)p_config->wren << QSPI_CINSTRCONF_WREN_Pos)); +} + +#endif // SUPPRESS_INLINE_IMPLEMENTATION + +#ifdef __cplusplus +} +#endif + +#endif // NRF_QSPI_H__ + +/** @} */ |