/** * Copyright (c) 2017 - 2019, 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 SX1509B_INTERNAL_H #define SX1509B_INTERNAL_H #ifdef __cplusplus extern "C" { #endif /** * @brief Device and IO banks registers. */ typedef enum { SX1509B_REG_INPUT_DISABLE_B, SX1509B_REG_INPUT_DISABLE_A, SX1509B_REG_LONG_SLEW_B, SX1509B_REG_LONG_SLEW_A, SX1509B_REG_LOW_DRIVE_B, SX1509B_REG_LOW_DRIVE_A, SX1509B_REG_PULL_UP_B, SX1509B_REG_PULL_UP_A, SX1509B_REG_PULL_DOWN_B, SX1509B_REG_PULL_DOWN_A, SX1509B_REG_OPEN_DRAIN_B, SX1509B_REG_OPEN_DRAIN_A, SX1509B_REG_POLARITY_B, SX1509B_REG_POLARITY_A, SX1509B_REG_DIR_B, SX1509B_REG_DIR_A, SX1509B_REG_DATA_B, SX1509B_REG_DATA_A, SX1509B_REG_INT_MASK_B, SX1509B_REG_INT_MASK_A, SX1509B_REG_SENSE_H_B, SX1509B_REG_SENSE_L_B, SX1509B_REG_SENSE_H_A, SX1509B_REG_SENSE_L_A, SX1509B_REG_INT_SRC_B, SX1509B_REG_INT_SRC_A, SX1509B_REG_EVENT_STATUS_B, SX1509B_REG_EVENT_STATUS_A, SX1509B_REG_LEVEL_SHIFTER_1, SX1509B_REG_LEVEL_SHIFTER_2, SX1509B_REG_CLOCK, SX1509B_REG_MISC, SX1509B_REG_LED_DRV_ENABLE_B, SX1509B_REG_LED_DRV_ENABLE_A, SX1509B_REG_DEBOUNCE_CONFIG, SX1509B_REG_DEBOUNCE_EN_B, SX1509B_REG_DEBOUNCE_EN_A, SX1509B_REG_KEY_CONFIG_1, SX1509B_REG_KEY_CONFIG_2, SX1509B_REG_KEY_DATA_1, SX1509B_REG_KEY_DATA_2, SX1509B_REG_COUNT } sx1509b_registers_t; #define SX1509B_INNER_PIN_COUNT 16 #define SX1509B_INNER_NEXT_BANK 8 #define SX1509B_INNER_PORT_COUNT 2 #define SX1509B_INNER_SENSE_REG_NUM 4 #define SX1509B_INNER_RESET_BYTE1 0x12 #define SX1509B_INNER_RESET_BYTE2 0x34 /** * @brief LED Driver registers. */ #define SX1509B_REG_LED_BANK_A_START 0x29 #define SX1509B_REG_LED_FADE_A_START 0x35 #define SX1509B_REG_LED_BANK_B_START 0x49 #define SX1509B_REG_LED_FADE_B_START 0x55 #define SX1509B_LED_DRIVER_TIME_REG_LEN 3 #define SX1509B_LED_DRIVER_FADE_REG_LEN 5 #define SX1509B_LED_DRIVER_TIME_REG_NUM ((SX1509B_REG_LED_FADE_A_START \ - SX1509B_REG_LED_BANK_A_START) \ / SX1509B_LED_DRIVER_TIME_REG_LEN) #define SX1509B_LED_DRIVER_FADE_REG_NUM ((SX1509B_REG_LED_BANK_B_START \ - SX1509B_REG_LED_FADE_A_START) \ / SX1509B_LED_DRIVER_FADE_REG_LEN) /** * @brief Clock register bitmasks. */ // Bitmasks for osc src. #define SX1509B_OSC_SRC_POS 5 #define SX1509B_OSC_SRC_MASK (3 << SX1509B_OSC_SRC_POS) // Bitmasks for oscio pin. #define SX1509B_OSCIO_PIN_POS 4 #define SX1509B_OSCIO_PIN_MASK (1 << SX1509B_OSCIO_PIN_POS) // Bitmasks for oscout freq. #define SX1509B_OSCOUT_FREQ_POS 0 #define SX1509B_OSCOUT_FREQ_MASK (0x0F << SX1509B_OSCOUT_FREQ_POS) /** * @brief Miscellaneous register bitmasks. */ // Bitmasks for led mode b. #define SX1509B_LED_MODE_B_POS 7 #define SX1509B_LED_MODE_B_MASK (1 << SX1509B_LED_MODE_B_POS) // Bitmasks for led freq. #define SX1509B_LED_FREQ_POS 4 #define SX1509B_LED_FREQ_MASK (7 << SX1509B_LED_FREQ_POS) // Bitmasks for led mode a. #define SX1509B_LED_MODE_A_POS 3 #define SX1509B_LED_MODE_A_MASK (1 << SX1509B_LED_MODE_A_POS) // Bitmasks for nreset pin. #define SX1509B_NRESET_PIN_POS 2 #define SX1509B_NRESET_PIN_MASK (1 << SX1509B_NRESET_PIN_POS) // Bitmasks for auto incr. #define SX1509B_AUTO_INCR_POS 1 #define SX1509B_AUTO_INCR_MASK (1 << SX1509B_AUTO_INCR_POS) // Bitmasks for auto clear nint. #define SX1509B_AUTO_CLEAR_NINT_POS 0 #define SX1509B_AUTO_CLEAR_NINT_MASK (1 << SX1509B_AUTO_CLEAR_NINT_POS) /** * @brief Key config 1 register bitmasks. */ // Bitmasks for sleep time. #define SX1509B_SLEEP_TIME_POS 4 #define SX1509B_SLEEP_TIME_MASK (7 << SX1509B_SLEEP_TIME_POS) // Bitmasks for scan time. #define SX1509B_SCAN_TIME_POS 0 #define SX1509B_SCAN_TIME_MASK (7 << SX1509B_SCAN_TIME_POS) /** * @brief Key config 2 register bitmasks. */ // Bitmasks for row num. #define SX1509B_ROW_NUM_POS 3 #define SX1509B_ROW_NUM_MASK (7 << SX1509B_ROW_NUM_POS) // Bitmasks for col num. #define SX1509B_COL_NUM_POS 0 #define SX1509B_COL_NUM_MASK (7 << SX1509B_COL_NUM_POS) /** * @brief Led driver off register bitmasks. */ // Bitmasks for OFF_TIME. #define SX1509B_OFF_TIME_POS 3 #define SX1509B_OFF_TIME_MASK (0x1F << SX1509B_OFF_TIME_POS) // Bitmasks for off intensity. #define SX1509B_OFF_INTENSITY_POS 0 #define SX1509B_OFF_INTENSITY_MASK (7 << SX1509B_OFF_INTENSITY_POS) /** * @brief Miscellaneous registers. */ #define SX1509B_REG_HIGH_INPUT_B 0x69 #define SX1509B_REG_HIGH_INPUT_A 0x6A #define SX1509B_REG_SW_RESET 0x7D #define SX1509B_REG_TEST_1 0x7E #define SX1509B_REG_TEST_2 0x7F /** * @brief Structure containing expander instance. */ typedef struct { nrf_twi_sensor_t * p_sensor_data; uint8_t sensor_addr; uint8_t start_addr; uint8_t registers[SX1509B_REG_COUNT]; uint8_t high_input[2]; } sx1509b_instance_t; #ifdef __cplusplus } #endif #endif // SX1509B_INTERNAL_H