esp-idf/components/ulp/ulp_riscv/include/ulp_riscv_gpio.h

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/*
* SPDX-FileCopyrightText: 2010-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include "soc/rtc_io_reg.h"
#include "soc/sens_reg.h"
typedef enum {
GPIO_NUM_0 = 0, /*!< GPIO0, input and output */
GPIO_NUM_1 = 1, /*!< GPIO1, input and output */
GPIO_NUM_2 = 2, /*!< GPIO2, input and output */
GPIO_NUM_3 = 3, /*!< GPIO3, input and output */
GPIO_NUM_4 = 4, /*!< GPIO4, input and output */
GPIO_NUM_5 = 5, /*!< GPIO5, input and output */
GPIO_NUM_6 = 6, /*!< GPIO6, input and output */
GPIO_NUM_7 = 7, /*!< GPIO7, input and output */
GPIO_NUM_8 = 8, /*!< GPIO8, input and output */
GPIO_NUM_9 = 9, /*!< GPIO9, input and output */
GPIO_NUM_10 = 10, /*!< GPIO10, input and output */
GPIO_NUM_11 = 11, /*!< GPIO11, input and output */
GPIO_NUM_12 = 12, /*!< GPIO12, input and output */
GPIO_NUM_13 = 13, /*!< GPIO13, input and output */
GPIO_NUM_14 = 14, /*!< GPIO14, input and output */
GPIO_NUM_15 = 15, /*!< GPIO15, input and output */
GPIO_NUM_16 = 16, /*!< GPIO16, input and output */
GPIO_NUM_17 = 17, /*!< GPIO17, input and output */
GPIO_NUM_18 = 18, /*!< GPIO18, input and output */
GPIO_NUM_19 = 19, /*!< GPIO19, input and output */
GPIO_NUM_20 = 20,
GPIO_NUM_21 = 21, /*!< GPIO21, input and output */
} gpio_num_t;
typedef enum {
RTCIO_MODE_OUTPUT = 0,
RTCIO_MODE_OUTPUT_OD = 1,
} rtc_io_out_mode_t;
static inline void ulp_riscv_gpio_init(gpio_num_t gpio_num)
{
#if CONFIG_IDF_TARGET_ESP32S2
SET_PERI_REG_MASK(SENS_SAR_IO_MUX_CONF_REG, SENS_IOMUX_CLK_GATE_EN_M);
#elif CONFIG_IDF_TARGET_ESP32S3
SET_PERI_REG_MASK(SENS_SAR_PERI_CLK_GATE_CONF_REG, SENS_IOMUX_CLK_EN_M);
#endif
SET_PERI_REG_MASK(RTC_IO_TOUCH_PAD0_REG + gpio_num*4, RTC_IO_TOUCH_PAD0_MUX_SEL);
REG_SET_FIELD(RTC_IO_TOUCH_PAD0_REG + gpio_num*4, RTC_IO_TOUCH_PAD0_FUN_SEL, 0);
}
static inline void ulp_riscv_gpio_deinit(gpio_num_t gpio_num)
{
CLEAR_PERI_REG_MASK(RTC_IO_TOUCH_PAD0_REG + gpio_num*4, RTC_IO_TOUCH_PAD0_MUX_SEL);
}
static inline void ulp_riscv_gpio_output_enable(gpio_num_t gpio_num)
{
REG_SET_FIELD(RTC_GPIO_ENABLE_W1TS_REG, RTC_GPIO_ENABLE_W1TS, BIT(gpio_num));
}
static inline void ulp_riscv_gpio_output_disable(gpio_num_t gpio_num)
{
REG_SET_FIELD(RTC_GPIO_ENABLE_W1TC_REG, RTC_GPIO_ENABLE_W1TC, BIT(gpio_num));
}
static inline void ulp_riscv_gpio_input_enable(gpio_num_t gpio_num)
{
SET_PERI_REG_MASK(RTC_IO_TOUCH_PAD0_REG + gpio_num*4, RTC_IO_TOUCH_PAD0_FUN_IE);
}
static inline void ulp_riscv_gpio_input_disable(gpio_num_t gpio_num)
{
CLEAR_PERI_REG_MASK(RTC_IO_TOUCH_PAD0_REG + gpio_num*4, RTC_IO_TOUCH_PAD0_FUN_IE);
}
static inline void ulp_riscv_gpio_output_level(gpio_num_t gpio_num, uint8_t level)
{
if (level) {
REG_SET_FIELD(RTC_GPIO_OUT_W1TS_REG, RTC_GPIO_OUT_DATA_W1TS, BIT(gpio_num));
} else {
REG_SET_FIELD(RTC_GPIO_OUT_W1TC_REG, RTC_GPIO_OUT_DATA_W1TS, BIT(gpio_num));
}
}
static inline uint8_t ulp_riscv_gpio_get_level(gpio_num_t gpio_num)
{
return (uint8_t)((REG_GET_FIELD(RTC_GPIO_IN_REG, RTC_GPIO_IN_NEXT) & BIT(gpio_num)) ? 1 : 0);
}
static inline void ulp_riscv_gpio_set_output_mode(gpio_num_t gpio_num, rtc_io_out_mode_t mode)
{
REG_SET_FIELD(RTC_IO_TOUCH_PAD0_REG + gpio_num*4, RTC_IO_TOUCH_PAD0_DRV, mode);
}
static inline void ulp_riscv_gpio_pullup(gpio_num_t gpio_num)
{
SET_PERI_REG_MASK(RTC_IO_TOUCH_PAD0_REG + gpio_num*4, RTC_IO_TOUCH_PAD0_RUE);
}
static inline void ulp_riscv_gpio_pullup_disable(gpio_num_t gpio_num)
{
CLEAR_PERI_REG_MASK(RTC_IO_TOUCH_PAD0_REG + gpio_num*4, RTC_IO_TOUCH_PAD0_RUE);
}
static inline void ulp_riscv_gpio_pulldown(gpio_num_t gpio_num)
{
SET_PERI_REG_MASK(RTC_IO_TOUCH_PAD0_REG + gpio_num*4, RTC_IO_TOUCH_PAD0_RDE);
}
static inline void ulp_riscv_gpio_pulldown_disable(gpio_num_t gpio_num)
{
CLEAR_PERI_REG_MASK(RTC_IO_TOUCH_PAD0_REG + gpio_num*4, RTC_IO_TOUCH_PAD0_RDE);
}
#ifdef __cplusplus
}
#endif