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Diffstat (limited to 'drivers_nrf/hal/nrf_gpio.h')
| -rw-r--r-- | drivers_nrf/hal/nrf_gpio.h | 795 |
1 files changed, 795 insertions, 0 deletions
diff --git a/drivers_nrf/hal/nrf_gpio.h b/drivers_nrf/hal/nrf_gpio.h new file mode 100644 index 0000000..ccd408c --- /dev/null +++ b/drivers_nrf/hal/nrf_gpio.h @@ -0,0 +1,795 @@ +/** + * 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. + * + */ +#ifndef NRF_GPIO_H__ +#define NRF_GPIO_H__ + +#include "nrf.h" +#include "nrf_peripherals.h" +#include "nrf_assert.h" +#include <stdbool.h> +#include <stdlib.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @defgroup nrf_gpio GPIO abstraction + * @{ + * @ingroup nrf_drivers + * @brief GPIO pin abstraction and port abstraction for reading and writing byte-wise to GPIO ports. + */ + +#if (GPIO_COUNT == 1) +#define NUMBER_OF_PINS (P0_PIN_NUM) +#define GPIO_REG_LIST {NRF_GPIO} +#elif (GPIO_COUNT == 2) +#define NUMBER_OF_PINS (P0_PIN_NUM + P1_PIN_NUM) +#define GPIO_REG_LIST {NRF_P0, NRF_P1} +#else +#error "Not supported." +#endif + + +/** + * @brief Macro for mapping port and pin numbers to values understandable for nrf_gpio functions. + */ +#define NRF_GPIO_PIN_MAP(port, pin) ((port << 5) | (pin & 0x1F)) + +/** + * @brief Pin direction definitions. + */ +typedef enum +{ + NRF_GPIO_PIN_DIR_INPUT = GPIO_PIN_CNF_DIR_Input, ///< Input. + NRF_GPIO_PIN_DIR_OUTPUT = GPIO_PIN_CNF_DIR_Output ///< Output. +} nrf_gpio_pin_dir_t; + +/** + * @brief Connection of input buffer. + */ +typedef enum +{ + NRF_GPIO_PIN_INPUT_CONNECT = GPIO_PIN_CNF_INPUT_Connect, ///< Connect input buffer. + NRF_GPIO_PIN_INPUT_DISCONNECT = GPIO_PIN_CNF_INPUT_Disconnect ///< Disconnect input buffer. +} nrf_gpio_pin_input_t; + +/** + * @brief Enumerator used for selecting the pin to be pulled down or up at the time of pin configuration. + */ +typedef enum +{ + NRF_GPIO_PIN_NOPULL = GPIO_PIN_CNF_PULL_Disabled, ///< Pin pull-up resistor disabled. + NRF_GPIO_PIN_PULLDOWN = GPIO_PIN_CNF_PULL_Pulldown, ///< Pin pull-down resistor enabled. + NRF_GPIO_PIN_PULLUP = GPIO_PIN_CNF_PULL_Pullup, ///< Pin pull-up resistor enabled. +} nrf_gpio_pin_pull_t; + +/** + * @brief Enumerator used for selecting output drive mode. + */ +typedef enum +{ + NRF_GPIO_PIN_S0S1 = GPIO_PIN_CNF_DRIVE_S0S1, ///< !< Standard '0', standard '1'. + NRF_GPIO_PIN_H0S1 = GPIO_PIN_CNF_DRIVE_H0S1, ///< !< High-drive '0', standard '1'. + NRF_GPIO_PIN_S0H1 = GPIO_PIN_CNF_DRIVE_S0H1, ///< !< Standard '0', high-drive '1'. + NRF_GPIO_PIN_H0H1 = GPIO_PIN_CNF_DRIVE_H0H1, ///< !< High drive '0', high-drive '1'. + NRF_GPIO_PIN_D0S1 = GPIO_PIN_CNF_DRIVE_D0S1, ///< !< Disconnect '0' standard '1'. + NRF_GPIO_PIN_D0H1 = GPIO_PIN_CNF_DRIVE_D0H1, ///< !< Disconnect '0', high-drive '1'. + NRF_GPIO_PIN_S0D1 = GPIO_PIN_CNF_DRIVE_S0D1, ///< !< Standard '0', disconnect '1'. + NRF_GPIO_PIN_H0D1 = GPIO_PIN_CNF_DRIVE_H0D1, ///< !< High-drive '0', disconnect '1'. +} nrf_gpio_pin_drive_t; + +/** + * @brief Enumerator used for selecting the pin to sense high or low level on the pin input. + */ +typedef enum +{ + NRF_GPIO_PIN_NOSENSE = GPIO_PIN_CNF_SENSE_Disabled, ///< Pin sense level disabled. + NRF_GPIO_PIN_SENSE_LOW = GPIO_PIN_CNF_SENSE_Low, ///< Pin sense low level. + NRF_GPIO_PIN_SENSE_HIGH = GPIO_PIN_CNF_SENSE_High, ///< Pin sense high level. +} nrf_gpio_pin_sense_t; + + +#if (__LINT__ != 1) + +/** + * @brief Function for configuring the GPIO pin range as output pins with normal drive strength. + * This function can be used to configure pin range as simple output with gate driving GPIO_PIN_CNF_DRIVE_S0S1 (normal cases). + * + * @param pin_range_start Specifies the start number (inclusive) in the range of pin numbers to be configured (allowed values 0-30). + * + * @param pin_range_end Specifies the end number (inclusive) in the range of pin numbers to be configured (allowed values 0-30). + * + * @note For configuring only one pin as output, use @ref nrf_gpio_cfg_output. + * Sense capability on the pin is disabled and input is disconnected from the buffer as the pins are configured as output. + */ +__STATIC_INLINE void nrf_gpio_range_cfg_output(uint32_t pin_range_start, uint32_t pin_range_end); + +/** + * @brief Function for configuring the GPIO pin range as input pins with given initial value set, hiding inner details. + * This function can be used to configure pin range as simple input. + * + * @param pin_range_start Specifies the start number (inclusive) in the range of pin numbers to be configured (allowed values 0-30). + * + * @param pin_range_end Specifies the end number (inclusive) in the range of pin numbers to be configured (allowed values 0-30). + * + * @param pull_config State of the pin range pull resistor (no pull, pulled down, or pulled high). + * + * @note For configuring only one pin as input, use @ref nrf_gpio_cfg_input. + * Sense capability on the pin is disabled and input is connected to buffer so that the GPIO->IN register is readable. + */ +__STATIC_INLINE void nrf_gpio_range_cfg_input(uint32_t pin_range_start, + uint32_t pin_range_end, + nrf_gpio_pin_pull_t pull_config); + +/** + * @brief Pin configuration function. + * + * The main pin configuration function. + * This function allows to set any aspect in PIN_CNF register. + * @param pin_number Specifies the pin number. + * @param dir Pin direction. + * @param input Connect or disconnect the input buffer. + * @param pull Pull configuration. + * @param drive Drive configuration. + * @param sense Pin sensing mechanism. + */ +__STATIC_INLINE void nrf_gpio_cfg( + uint32_t pin_number, + nrf_gpio_pin_dir_t dir, + nrf_gpio_pin_input_t input, + nrf_gpio_pin_pull_t pull, + nrf_gpio_pin_drive_t drive, + nrf_gpio_pin_sense_t sense); + +/** + * @brief Function for configuring the given GPIO pin number as output, hiding inner details. + * This function can be used to configure a pin as simple output with gate driving GPIO_PIN_CNF_DRIVE_S0S1 (normal cases). + * + * @param pin_number Specifies the pin number. + * + * @note Sense capability on the pin is disabled and input is disconnected from the buffer as the pins are configured as output. + */ +__STATIC_INLINE void nrf_gpio_cfg_output(uint32_t pin_number); + +/** + * @brief Function for configuring the given GPIO pin number as input, hiding inner details. + * This function can be used to configure a pin as simple input. + * + * @param pin_number Specifies the pin number. + * @param pull_config State of the pin range pull resistor (no pull, pulled down, or pulled high). + * + * @note Sense capability on the pin is disabled and input is connected to buffer so that the GPIO->IN register is readable. + */ +__STATIC_INLINE void nrf_gpio_cfg_input(uint32_t pin_number, nrf_gpio_pin_pull_t pull_config); + +/** + * @brief Function for resetting pin configuration to its default state. + * + * @param pin_number Specifies the pin number. + */ +__STATIC_INLINE void nrf_gpio_cfg_default(uint32_t pin_number); + +/** + * @brief Function for configuring the given GPIO pin number as a watcher. Only input is connected. + * + * @param pin_number Specifies the pin number. + * + */ +__STATIC_INLINE void nrf_gpio_cfg_watcher(uint32_t pin_number); + +/** + * @brief Function for disconnecting input for the given GPIO. + * + * @param pin_number Specifies the pin number. + * + */ +__STATIC_INLINE void nrf_gpio_input_disconnect(uint32_t pin_number); + +/** + * @brief Function for configuring the given GPIO pin number as input, hiding inner details. + * This function can be used to configure pin range as simple input. + * Sense capability on the pin is configurable and input is connected to buffer so that the GPIO->IN register is readable. + * + * @param pin_number Specifies the pin number. + * @param pull_config State of the pin pull resistor (no pull, pulled down, or pulled high). + * @param sense_config Sense level of the pin (no sense, sense low, or sense high). + */ +__STATIC_INLINE void nrf_gpio_cfg_sense_input(uint32_t pin_number, + nrf_gpio_pin_pull_t pull_config, + nrf_gpio_pin_sense_t sense_config); + +/** + * @brief Function for configuring sense level for the given GPIO. + * + * @param pin_number Specifies the pin number. + * @param sense_config Sense configuration. + * + */ +__STATIC_INLINE void nrf_gpio_cfg_sense_set(uint32_t pin_number, nrf_gpio_pin_sense_t sense_config); + +/** + * @brief Function for setting the direction for a GPIO pin. + * + * @param pin_number Specifies the pin number for which to set the direction. + * + * @param direction Specifies the direction. + */ +__STATIC_INLINE void nrf_gpio_pin_dir_set(uint32_t pin_number, nrf_gpio_pin_dir_t direction); + +/** + * @brief Function for setting a GPIO pin. + * + * Note that the pin must be configured as an output for this function to have any effect. + * + * @param pin_number Specifies the pin number to set. + */ +__STATIC_INLINE void nrf_gpio_pin_set(uint32_t pin_number); + +/** + * @brief Function for clearing a GPIO pin. + * + * Note that the pin must be configured as an output for this + * function to have any effect. + * + * @param pin_number Specifies the pin number to clear. + */ +__STATIC_INLINE void nrf_gpio_pin_clear(uint32_t pin_number); + +/** + * @brief Function for toggling a GPIO pin. + * + * Note that the pin must be configured as an output for this + * function to have any effect. + * + * @param pin_number Specifies the pin number to toggle. + */ +__STATIC_INLINE void nrf_gpio_pin_toggle(uint32_t pin_number); + +/** + * @brief Function for writing a value to a GPIO pin. + * + * Note that the pin must be configured as an output for this + * function to have any effect. + * + * @param pin_number Specifies the pin number to write. + * + * @param value Specifies the value to be written to the pin. + * @arg 0 Clears the pin. + * @arg >=1 Sets the pin. + */ +__STATIC_INLINE void nrf_gpio_pin_write(uint32_t pin_number, uint32_t value); + +/** + * @brief Function for reading the input level of a GPIO pin. + * + * Note that the pin must have input connected for the value + * returned from this function to be valid. + * + * @param pin_number Specifies the pin number to read. + * + * @return 0 if the pin input level is low. Positive value if the pin is high. + */ +__STATIC_INLINE uint32_t nrf_gpio_pin_read(uint32_t pin_number); + +/** + * @brief Function for reading the output level of a GPIO pin. + * + * @param pin_number Specifies the pin number to read. + * + * @return 0 if the pin output level is low. Positive value if pin output is high. + */ +__STATIC_INLINE uint32_t nrf_gpio_pin_out_read(uint32_t pin_number); + +/** + * @brief Function for reading the sense configuration of a GPIO pin. + * + * @param pin_number Specifies the pin number to read. + * + * @retval Sense configuration. + */ +__STATIC_INLINE nrf_gpio_pin_sense_t nrf_gpio_pin_sense_get(uint32_t pin_number); + +/** + * @brief Function for setting output direction on selected pins on a given port. + * + * @param p_reg Pointer to the peripheral registers structure. + * @param out_mask Mask specifying the pins to set as output. + * + */ +__STATIC_INLINE void nrf_gpio_port_dir_output_set(NRF_GPIO_Type * p_reg, uint32_t out_mask); + +/** + * @brief Function for setting input direction on selected pins on a given port. + * + * @param p_reg Pointer to the peripheral registers structure. + * @param in_mask Mask specifying the pins to set as input. + * + */ +__STATIC_INLINE void nrf_gpio_port_dir_input_set(NRF_GPIO_Type * p_reg, uint32_t in_mask); + +/** + * @brief Function for writing the direction configuration of GPIO pins in a given port. + * + * @param p_reg Pointer to the peripheral registers structure. + * @param dir_mask Mask specifying the direction of pins. Bit set means that the given pin is configured as output. + * + */ +__STATIC_INLINE void nrf_gpio_port_dir_write(NRF_GPIO_Type * p_reg, uint32_t dir_mask); + +/** + * @brief Function for reading the direction configuration of a GPIO port. + * + * @param p_reg Pointer to the peripheral registers structure. + * + * @retval Pin configuration of the current direction settings. Bit set means that the given pin is configured as output. + */ +__STATIC_INLINE uint32_t nrf_gpio_port_dir_read(NRF_GPIO_Type const * p_reg); + +/** + * @brief Function for reading the input signals of GPIO pins on a given port. + * + * @param p_reg Pointer to the peripheral registers structure. + * + * @retval Port input values. + */ +__STATIC_INLINE uint32_t nrf_gpio_port_in_read(NRF_GPIO_Type const * p_reg); + +/** + * @brief Function for reading the output signals of GPIO pins of a given port. + * + * @param p_reg Pointer to the peripheral registers structure. + * + * @retval Port output values. + */ +__STATIC_INLINE uint32_t nrf_gpio_port_out_read(NRF_GPIO_Type const * p_reg); + +/** + * @brief Function for writing the GPIO pins output on a given port. + * + * @param p_reg Pointer to the peripheral registers structure. + * @param value Output port mask. + * + */ +__STATIC_INLINE void nrf_gpio_port_out_write(NRF_GPIO_Type * p_reg, uint32_t value); + +/** + * @brief Function for setting high level on selected GPIO pins of a given port. + * + * @param p_reg Pointer to the peripheral registers structure. + * @param set_mask Mask with pins to set as logical high level. + * + */ +__STATIC_INLINE void nrf_gpio_port_out_set(NRF_GPIO_Type * p_reg, uint32_t set_mask); + +/** + * @brief Function for setting low level on selected GPIO pins of a given port. + * + * @param p_reg Pointer to the peripheral registers structure. + * @param clr_mask Mask with pins to set as logical low level. + * + */ +__STATIC_INLINE void nrf_gpio_port_out_clear(NRF_GPIO_Type * p_reg, uint32_t clr_mask); + +/** + * @brief Function for reading pins state of multiple consecutive ports. + * + * @param start_port Index of the first port to read. + * @param length Number of ports to read. + * @param p_masks Pointer to output array where port states will be stored. + */ +__STATIC_INLINE void nrf_gpio_ports_read(uint32_t start_port, uint32_t length, uint32_t * p_masks); + +#ifdef GPIO_DETECTMODE_DETECTMODE_LDETECT +/** + * @brief Function for reading latch state of multiple consecutive ports. + * + * @param start_port Index of the first port to read. + * @param length Number of ports to read. + * @param p_masks Pointer to output array where latch states will be stored. + */ +__STATIC_INLINE void nrf_gpio_latches_read(uint32_t start_port, uint32_t length, + uint32_t * p_masks); + +/** + * @brief Function for reading latch state of single pin. + * + * @param pin_number Pin number. + * @return 0 if latch is not set. Positive value otherwise. + * + */ +__STATIC_INLINE uint32_t nrf_gpio_pin_latch_get(uint32_t pin_number); + +/** + * @brief Function for clearing latch state of a single pin. + * + * @param pin_number Pin number. + * + */ +__STATIC_INLINE void nrf_gpio_pin_latch_clear(uint32_t pin_number); +#endif + + +#endif // #ifndef (__LINT__ != 1) + +#ifndef SUPPRESS_INLINE_IMPLEMENTATION + +/** + * @brief Function for extracting port and relative pin number from absolute pin number. + * + * @param[inout] Pointer to absolute pin number which is overriden by relative to port pin number. + * + * @return Pointer to port register set. + * + */ +__STATIC_INLINE NRF_GPIO_Type * nrf_gpio_pin_port_decode(uint32_t * p_pin) +{ + ASSERT(*p_pin < NUMBER_OF_PINS); +#if (GPIO_COUNT == 1) + // The oldest definition case + return NRF_GPIO; +#else + if (*p_pin < P0_PIN_NUM) + { + return NRF_P0; + } + else + { + *p_pin = *p_pin & (P0_PIN_NUM - 1); + return NRF_P1; + } +#endif +} + + +__STATIC_INLINE void nrf_gpio_range_cfg_output(uint32_t pin_range_start, uint32_t pin_range_end) +{ + /*lint -e{845} // A zero has been given as right argument to operator '|'" */ + for (; pin_range_start <= pin_range_end; pin_range_start++) + { + nrf_gpio_cfg_output(pin_range_start); + } +} + + +__STATIC_INLINE void nrf_gpio_range_cfg_input(uint32_t pin_range_start, + uint32_t pin_range_end, + nrf_gpio_pin_pull_t pull_config) +{ + /*lint -e{845} // A zero has been given as right argument to operator '|'" */ + for (; pin_range_start <= pin_range_end; pin_range_start++) + { + nrf_gpio_cfg_input(pin_range_start, pull_config); + } +} + + +__STATIC_INLINE void nrf_gpio_cfg( + uint32_t pin_number, + nrf_gpio_pin_dir_t dir, + nrf_gpio_pin_input_t input, + nrf_gpio_pin_pull_t pull, + nrf_gpio_pin_drive_t drive, + nrf_gpio_pin_sense_t sense) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + + reg->PIN_CNF[pin_number] = ((uint32_t)dir << GPIO_PIN_CNF_DIR_Pos) + | ((uint32_t)input << GPIO_PIN_CNF_INPUT_Pos) + | ((uint32_t)pull << GPIO_PIN_CNF_PULL_Pos) + | ((uint32_t)drive << GPIO_PIN_CNF_DRIVE_Pos) + | ((uint32_t)sense << GPIO_PIN_CNF_SENSE_Pos); +} + + +__STATIC_INLINE void nrf_gpio_cfg_output(uint32_t pin_number) +{ + nrf_gpio_cfg( + pin_number, + NRF_GPIO_PIN_DIR_OUTPUT, + NRF_GPIO_PIN_INPUT_DISCONNECT, + NRF_GPIO_PIN_NOPULL, + NRF_GPIO_PIN_S0S1, + NRF_GPIO_PIN_NOSENSE); +} + + +__STATIC_INLINE void nrf_gpio_cfg_input(uint32_t pin_number, nrf_gpio_pin_pull_t pull_config) +{ + nrf_gpio_cfg( + pin_number, + NRF_GPIO_PIN_DIR_INPUT, + NRF_GPIO_PIN_INPUT_CONNECT, + pull_config, + NRF_GPIO_PIN_S0S1, + NRF_GPIO_PIN_NOSENSE); +} + + +__STATIC_INLINE void nrf_gpio_cfg_default(uint32_t pin_number) +{ + nrf_gpio_cfg( + pin_number, + NRF_GPIO_PIN_DIR_INPUT, + NRF_GPIO_PIN_INPUT_DISCONNECT, + NRF_GPIO_PIN_NOPULL, + NRF_GPIO_PIN_S0S1, + NRF_GPIO_PIN_NOSENSE); +} + + +__STATIC_INLINE void nrf_gpio_cfg_watcher(uint32_t pin_number) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + /*lint -e{845} // A zero has been given as right argument to operator '|'" */ + uint32_t cnf = reg->PIN_CNF[pin_number] & ~GPIO_PIN_CNF_INPUT_Msk; + + reg->PIN_CNF[pin_number] = cnf | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos); +} + + +__STATIC_INLINE void nrf_gpio_input_disconnect(uint32_t pin_number) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + /*lint -e{845} // A zero has been given as right argument to operator '|'" */ + uint32_t cnf = reg->PIN_CNF[pin_number] & ~GPIO_PIN_CNF_INPUT_Msk; + + reg->PIN_CNF[pin_number] = cnf | (GPIO_PIN_CNF_INPUT_Disconnect << GPIO_PIN_CNF_INPUT_Pos); +} + + +__STATIC_INLINE void nrf_gpio_cfg_sense_input(uint32_t pin_number, + nrf_gpio_pin_pull_t pull_config, + nrf_gpio_pin_sense_t sense_config) +{ + nrf_gpio_cfg( + pin_number, + NRF_GPIO_PIN_DIR_INPUT, + NRF_GPIO_PIN_INPUT_CONNECT, + pull_config, + NRF_GPIO_PIN_S0S1, + sense_config); +} + + +__STATIC_INLINE void nrf_gpio_cfg_sense_set(uint32_t pin_number, nrf_gpio_pin_sense_t sense_config) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + + /*lint -e{845} // A zero has been given as right argument to operator '|'" */ + reg->PIN_CNF[pin_number] &= ~GPIO_PIN_CNF_SENSE_Msk; + reg->PIN_CNF[pin_number] |= (sense_config << GPIO_PIN_CNF_SENSE_Pos); +} + + +__STATIC_INLINE void nrf_gpio_pin_dir_set(uint32_t pin_number, nrf_gpio_pin_dir_t direction) +{ + if (direction == NRF_GPIO_PIN_DIR_INPUT) + { + nrf_gpio_cfg( + pin_number, + NRF_GPIO_PIN_DIR_INPUT, + NRF_GPIO_PIN_INPUT_CONNECT, + NRF_GPIO_PIN_NOPULL, + NRF_GPIO_PIN_S0S1, + NRF_GPIO_PIN_NOSENSE); + } + else + { + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + reg->DIRSET = (1UL << pin_number); + } +} + + +__STATIC_INLINE void nrf_gpio_pin_set(uint32_t pin_number) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + + nrf_gpio_port_out_set(reg, 1UL << pin_number); +} + + +__STATIC_INLINE void nrf_gpio_pin_clear(uint32_t pin_number) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + + nrf_gpio_port_out_clear(reg, 1UL << pin_number); +} + + +__STATIC_INLINE void nrf_gpio_pin_toggle(uint32_t pin_number) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + uint32_t pins_state = reg->OUT; + + reg->OUTSET = (~pins_state & (1UL << pin_number)); + reg->OUTCLR = (pins_state & (1UL << pin_number)); +} + + +__STATIC_INLINE void nrf_gpio_pin_write(uint32_t pin_number, uint32_t value) +{ + if (value == 0) + { + nrf_gpio_pin_clear(pin_number); + } + else + { + nrf_gpio_pin_set(pin_number); + } +} + + +__STATIC_INLINE uint32_t nrf_gpio_pin_read(uint32_t pin_number) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + + return ((nrf_gpio_port_in_read(reg) >> pin_number) & 1UL); +} + + +__STATIC_INLINE uint32_t nrf_gpio_pin_out_read(uint32_t pin_number) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + + return ((nrf_gpio_port_out_read(reg) >> pin_number) & 1UL); +} + + +__STATIC_INLINE nrf_gpio_pin_sense_t nrf_gpio_pin_sense_get(uint32_t pin_number) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + + return (nrf_gpio_pin_sense_t)((reg->PIN_CNF[pin_number] & + GPIO_PIN_CNF_SENSE_Msk) >> GPIO_PIN_CNF_SENSE_Pos); +} + + +__STATIC_INLINE void nrf_gpio_port_dir_output_set(NRF_GPIO_Type * p_reg, uint32_t out_mask) +{ + p_reg->DIRSET = out_mask; +} + + +__STATIC_INLINE void nrf_gpio_port_dir_input_set(NRF_GPIO_Type * p_reg, uint32_t in_mask) +{ + p_reg->DIRCLR = in_mask; +} + + +__STATIC_INLINE void nrf_gpio_port_dir_write(NRF_GPIO_Type * p_reg, uint32_t value) +{ + p_reg->DIR = value; +} + + +__STATIC_INLINE uint32_t nrf_gpio_port_dir_read(NRF_GPIO_Type const * p_reg) +{ + return p_reg->DIR; +} + + +__STATIC_INLINE uint32_t nrf_gpio_port_in_read(NRF_GPIO_Type const * p_reg) +{ + return p_reg->IN; +} + + +__STATIC_INLINE uint32_t nrf_gpio_port_out_read(NRF_GPIO_Type const * p_reg) +{ + return p_reg->OUT; +} + + +__STATIC_INLINE void nrf_gpio_port_out_write(NRF_GPIO_Type * p_reg, uint32_t value) +{ + p_reg->OUT = value; +} + + +__STATIC_INLINE void nrf_gpio_port_out_set(NRF_GPIO_Type * p_reg, uint32_t set_mask) +{ + p_reg->OUTSET = set_mask; +} + + +__STATIC_INLINE void nrf_gpio_port_out_clear(NRF_GPIO_Type * p_reg, uint32_t clr_mask) +{ + p_reg->OUTCLR = clr_mask; +} + + +__STATIC_INLINE void nrf_gpio_ports_read(uint32_t start_port, uint32_t length, uint32_t * p_masks) +{ + NRF_GPIO_Type * gpio_regs[GPIO_COUNT] = GPIO_REG_LIST; + + ASSERT(start_port + length <= GPIO_COUNT); + uint32_t i; + + for (i = start_port; i < (start_port + length); i++) + { + *p_masks = nrf_gpio_port_in_read(gpio_regs[i]); + p_masks++; + } +} + + +#ifdef GPIO_DETECTMODE_DETECTMODE_LDETECT +__STATIC_INLINE void nrf_gpio_latches_read(uint32_t start_port, uint32_t length, uint32_t * p_masks) +{ + NRF_GPIO_Type * gpio_regs[GPIO_COUNT] = GPIO_REG_LIST; + uint32_t i; + + for (i = start_port; i < (start_port + length); i++) + { + *p_masks = gpio_regs[i]->LATCH; + p_masks++; + } +} + + +__STATIC_INLINE uint32_t nrf_gpio_pin_latch_get(uint32_t pin_number) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + + return (reg->LATCH & (1 << pin_number)) ? 1 : 0; +} + + +__STATIC_INLINE void nrf_gpio_pin_latch_clear(uint32_t pin_number) +{ + NRF_GPIO_Type * reg = nrf_gpio_pin_port_decode(&pin_number); + + reg->LATCH = (1 << pin_number); +} + + +#endif +#endif // SUPPRESS_INLINE_IMPLEMENTATION + +/** @} */ + + +#ifdef __cplusplus +} +#endif + +#endif |