// ################### Mini air quality and wither station with electronic ink display 2.13 Inch | nRF52 ############### // // // // @filename : MWS213_V2R3_ED3.ino // // @brief en : Wireless, battery-operated air quality(VOC Sensor SGP40), temperature,humidity and pressure // // sensor(BME280) with electronic ink display(Good Display GDEH0213B72, GDEH0213B73, Waveshare V2). // // Works on SOC nRF52. // // @brief ru : Беcпроводной, батарейный датчик качества воздуха (ЛОС сенсорс SGP40), температуры, влажности // // и давления(BME280) с дисплеем на электронных чернилах(Good Display GDEH0213B72, GDEH0213B73, // // Waveshare V2). // // Работает на nRF52832, nRF52840. // // // // @author : Andrew Lamchenko aka Berk // // // // Copyright (C) 2021, EFEKTALAB // // Copyright (c) 2020, Sensirion AG // // Copyright (c) 2020, Bosch Sensortec GmbH. All rights reserved. // // Copyright (c) 2014-2015, Arduino LLC. All right reserved. // // Copyright (c) 2016, Arduino Srl. All right reserved. // // Copyright (c) 2017, Sensnology AB. All right reserved. // // Copyright (C) 2020, Waveshare // // // // ######################################################################################################################### // #ifndef NRF_GPIO_H__ #define NRF_GPIO_H__ typedef enum { NRF_GPIO_PIN_NOPULL = GPIO_PIN_CNF_PULL_Disabled, ///< Pin pullup resistor disabled NRF_GPIO_PIN_PULLDOWN = GPIO_PIN_CNF_PULL_Pulldown, ///< Pin pulldown resistor enabled NRF_GPIO_PIN_PULLUP = GPIO_PIN_CNF_PULL_Pullup, ///< Pin pullup resistor enabled } nrf_gpio_pin_pull_t; /** * @brief Configure GPIO pin range as outputs 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) { /*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->PIN_CNF[pin_range_start] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos); } } /** * @brief Configure GPIO pin range as inputs 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) { /*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->PIN_CNF[pin_range_start] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) | (pull_config << GPIO_PIN_CNF_PULL_Pos) | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos); } } /** * @brief Configure given GPIO pin number as output with given initial value set, hiding inner details. * This function can be used to configure pin range as simple input with gate driving GPIO_PIN_CNF_DRIVE_S0S1 (normal cases). * * @param pin_number specifies the pin number of gpio pin numbers to be configured (allowed values 0-30) * * @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) { /*lint -e{845} // A zero has been given as right argument to operator '|'" */ NRF_GPIO->PIN_CNF[pin_number] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos); } /** * @brief Configure given GPIO pin number as input with given initial value set, hiding inner details. * This function can be used to configure pin range as simple input with gate driving GPIO_PIN_CNF_DRIVE_S0S1 (normal cases). * * @param pin_number specifies the pin number of gpio 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 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) { /*lint -e{845} // A zero has been given as right argument to operator '|'" */ NRF_GPIO->PIN_CNF[pin_number] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) | (pull_config << GPIO_PIN_CNF_PULL_Pos) | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos); } #endif