esp-idf/components/soc/esp32/rtc_io_periph.c

/*
 * SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include "soc/rtc_periph.h"
#include "soc/rtc_io_reg.h"

const int rtc_io_num_map[SOC_GPIO_PIN_COUNT] = {
    RTCIO_GPIO0_CHANNEL,    //GPIO0
    -1,//GPIO1
    RTCIO_GPIO2_CHANNEL,    //GPIO2
    -1,//GPIO3
    RTCIO_GPIO4_CHANNEL,    //GPIO4
    -1,//GPIO5
    -1,//GPIO6
    -1,//GPIO7
    -1,//GPIO8
    -1,//GPIO9
    -1,//GPIO10
    -1,//GPIO11
    RTCIO_GPIO12_CHANNEL,   //GPIO12
    RTCIO_GPIO13_CHANNEL,   //GPIO13
    RTCIO_GPIO14_CHANNEL,   //GPIO14
    RTCIO_GPIO15_CHANNEL,   //GPIO15
    -1,//GPIO16
    -1,//GPIO17
    -1,//GPIO18
    -1,//GPIO19
    -1,//GPIO20
    -1,//GPIO21
    -1,//GPIO22
    -1,//GPIO23
    -1,//GPIO24
    RTCIO_GPIO25_CHANNEL,   //GPIO25
    RTCIO_GPIO26_CHANNEL,   //GPIO26
    RTCIO_GPIO27_CHANNEL,   //GPIO27
    -1,//GPIO28
    -1,//GPIO29
    -1,//GPIO30
    -1,//GPIO31
    RTCIO_GPIO32_CHANNEL,   //GPIO32
    RTCIO_GPIO33_CHANNEL,   //GPIO33
    RTCIO_GPIO34_CHANNEL,   //GPIO34
    RTCIO_GPIO35_CHANNEL,   //GPIO35
    RTCIO_GPIO36_CHANNEL,   //GPIO36
    RTCIO_GPIO37_CHANNEL,   //GPIO37
    RTCIO_GPIO38_CHANNEL,   //GPIO38
    RTCIO_GPIO39_CHANNEL,   //GPIO39
};

//Reg,Mux,Fun,IE,Up,Down,Rtc_number
const rtc_io_desc_t rtc_io_desc[SOC_RTCIO_PIN_COUNT] = {
    /*REG                    MUX select                  function select              Input enable                Pullup                   Pulldown                 Sleep select                 Sleep input enable             PAD hold                  Pad force hold                    Mask of drive capability Offset                   gpio number */
    {RTC_IO_SENSOR_PADS_REG, RTC_IO_SENSE1_MUX_SEL_M,    RTC_IO_SENSE1_FUN_SEL_S,     RTC_IO_SENSE1_FUN_IE_M,     0,                       0,                       RTC_IO_SENSE1_SLP_SEL_M,     RTC_IO_SENSE1_SLP_IE_M,     0, RTC_IO_SENSE1_HOLD_M,     RTC_CNTL_SENSE1_HOLD_FORCE_M,     0,                       0,                       RTCIO_CHANNEL_0_GPIO_NUM}, //36
    {RTC_IO_SENSOR_PADS_REG, RTC_IO_SENSE2_MUX_SEL_M,    RTC_IO_SENSE2_FUN_SEL_S,     RTC_IO_SENSE2_FUN_IE_M,     0,                       0,                       RTC_IO_SENSE2_SLP_SEL_M,     RTC_IO_SENSE2_SLP_IE_M,     0, RTC_IO_SENSE2_HOLD_M,     RTC_CNTL_SENSE2_HOLD_FORCE_M,     0,                       0,                       RTCIO_CHANNEL_1_GPIO_NUM}, //37
    {RTC_IO_SENSOR_PADS_REG, RTC_IO_SENSE3_MUX_SEL_M,    RTC_IO_SENSE3_FUN_SEL_S,     RTC_IO_SENSE3_FUN_IE_M,     0,                       0,                       RTC_IO_SENSE3_SLP_SEL_M,     RTC_IO_SENSE3_SLP_IE_M,     0, RTC_IO_SENSE3_HOLD_M,     RTC_CNTL_SENSE3_HOLD_FORCE_M,     0,                       0,                       RTCIO_CHANNEL_2_GPIO_NUM}, //38
    {RTC_IO_SENSOR_PADS_REG, RTC_IO_SENSE4_MUX_SEL_M,    RTC_IO_SENSE4_FUN_SEL_S,     RTC_IO_SENSE4_FUN_IE_M,     0,                       0,                       RTC_IO_SENSE4_SLP_SEL_M,     RTC_IO_SENSE4_SLP_IE_M,     0, RTC_IO_SENSE4_HOLD_M,     RTC_CNTL_SENSE4_HOLD_FORCE_M,     0,                       0,                       RTCIO_CHANNEL_3_GPIO_NUM}, //39
    {RTC_IO_ADC_PAD_REG,     RTC_IO_ADC1_MUX_SEL_M,      RTC_IO_ADC1_FUN_SEL_S,       RTC_IO_ADC1_FUN_IE_M,       0,                       0,                       RTC_IO_ADC1_SLP_SEL_M,       RTC_IO_ADC1_SLP_IE_M,       0, RTC_IO_ADC1_HOLD_M,       RTC_CNTL_ADC1_HOLD_FORCE_M,       0,                       0,                       RTCIO_CHANNEL_4_GPIO_NUM}, //34
    {RTC_IO_ADC_PAD_REG,     RTC_IO_ADC2_MUX_SEL_M,      RTC_IO_ADC2_FUN_SEL_S,       RTC_IO_ADC2_FUN_IE_M,       0,                       0,                       RTC_IO_ADC2_SLP_SEL_M,       RTC_IO_ADC2_SLP_IE_M,       0, RTC_IO_ADC2_HOLD_M,       RTC_CNTL_ADC2_HOLD_FORCE_M,       0,                       0,                       RTCIO_CHANNEL_5_GPIO_NUM}, //35
    {RTC_IO_PAD_DAC1_REG,    RTC_IO_PDAC1_MUX_SEL_M,     RTC_IO_PDAC1_FUN_SEL_S,      RTC_IO_PDAC1_FUN_IE_M,      RTC_IO_PDAC1_RUE_M,      RTC_IO_PDAC1_RDE_M,      RTC_IO_PDAC1_SLP_SEL_M,      RTC_IO_PDAC1_SLP_IE_M,      0, RTC_IO_PDAC1_HOLD_M,      RTC_CNTL_PDAC1_HOLD_FORCE_M,      RTC_IO_PDAC1_DRV_V,      RTC_IO_PDAC1_DRV_S,      RTCIO_CHANNEL_6_GPIO_NUM}, //25
    {RTC_IO_PAD_DAC2_REG,    RTC_IO_PDAC2_MUX_SEL_M,     RTC_IO_PDAC2_FUN_SEL_S,      RTC_IO_PDAC2_FUN_IE_M,      RTC_IO_PDAC2_RUE_M,      RTC_IO_PDAC2_RDE_M,      RTC_IO_PDAC2_SLP_SEL_M,      RTC_IO_PDAC2_SLP_IE_M,      0, RTC_IO_PDAC2_HOLD_M,      RTC_CNTL_PDAC2_HOLD_FORCE_M,      RTC_IO_PDAC2_DRV_V,      RTC_IO_PDAC2_DRV_S,      RTCIO_CHANNEL_7_GPIO_NUM}, //26
    {RTC_IO_XTAL_32K_PAD_REG, RTC_IO_X32N_MUX_SEL_M,     RTC_IO_X32N_FUN_SEL_S,       RTC_IO_X32N_FUN_IE_M,       RTC_IO_X32N_RUE_M,       RTC_IO_X32N_RDE_M,       RTC_IO_X32N_SLP_SEL_M,       RTC_IO_X32N_SLP_IE_M,       0, RTC_IO_X32N_HOLD_M,       RTC_CNTL_X32N_HOLD_FORCE_M,       RTC_IO_X32N_DRV_V,       RTC_IO_X32N_DRV_S,       RTCIO_CHANNEL_8_GPIO_NUM}, //33
    {RTC_IO_XTAL_32K_PAD_REG, RTC_IO_X32P_MUX_SEL_M,     RTC_IO_X32P_FUN_SEL_S,       RTC_IO_X32P_FUN_IE_M,       RTC_IO_X32P_RUE_M,       RTC_IO_X32P_RDE_M,       RTC_IO_X32P_SLP_SEL_M,       RTC_IO_X32P_SLP_IE_M,       0, RTC_IO_X32P_HOLD_M,       RTC_CNTL_X32P_HOLD_FORCE_M,       RTC_IO_X32P_DRV_V,       RTC_IO_X32P_DRV_S,       RTCIO_CHANNEL_9_GPIO_NUM}, //32
    {RTC_IO_TOUCH_PAD0_REG, RTC_IO_TOUCH_PAD0_MUX_SEL_M, RTC_IO_TOUCH_PAD0_FUN_SEL_S, RTC_IO_TOUCH_PAD0_FUN_IE_M, RTC_IO_TOUCH_PAD0_RUE_M, RTC_IO_TOUCH_PAD0_RDE_M, RTC_IO_TOUCH_PAD0_SLP_SEL_M, RTC_IO_TOUCH_PAD0_SLP_IE_M, 0, RTC_IO_TOUCH_PAD0_HOLD_M, RTC_CNTL_TOUCH_PAD0_HOLD_FORCE_M, RTC_IO_TOUCH_PAD0_DRV_V, RTC_IO_TOUCH_PAD0_DRV_S, RTCIO_CHANNEL_10_GPIO_NUM},// 4
    {RTC_IO_TOUCH_PAD1_REG, RTC_IO_TOUCH_PAD1_MUX_SEL_M, RTC_IO_TOUCH_PAD1_FUN_SEL_S, RTC_IO_TOUCH_PAD1_FUN_IE_M, RTC_IO_TOUCH_PAD1_RUE_M, RTC_IO_TOUCH_PAD1_RDE_M, RTC_IO_TOUCH_PAD1_SLP_SEL_M, RTC_IO_TOUCH_PAD1_SLP_IE_M, 0, RTC_IO_TOUCH_PAD1_HOLD_M, RTC_CNTL_TOUCH_PAD1_HOLD_FORCE_M, RTC_IO_TOUCH_PAD1_DRV_V, RTC_IO_TOUCH_PAD1_DRV_S, RTCIO_CHANNEL_11_GPIO_NUM},// 0
    {RTC_IO_TOUCH_PAD2_REG, RTC_IO_TOUCH_PAD2_MUX_SEL_M, RTC_IO_TOUCH_PAD2_FUN_SEL_S, RTC_IO_TOUCH_PAD2_FUN_IE_M, RTC_IO_TOUCH_PAD2_RUE_M, RTC_IO_TOUCH_PAD2_RDE_M, RTC_IO_TOUCH_PAD2_SLP_SEL_M, RTC_IO_TOUCH_PAD2_SLP_IE_M, 0, RTC_IO_TOUCH_PAD2_HOLD_M, RTC_CNTL_TOUCH_PAD2_HOLD_FORCE_M, RTC_IO_TOUCH_PAD2_DRV_V, RTC_IO_TOUCH_PAD2_DRV_S, RTCIO_CHANNEL_12_GPIO_NUM},// 2
    {RTC_IO_TOUCH_PAD3_REG, RTC_IO_TOUCH_PAD3_MUX_SEL_M, RTC_IO_TOUCH_PAD3_FUN_SEL_S, RTC_IO_TOUCH_PAD3_FUN_IE_M, RTC_IO_TOUCH_PAD3_RUE_M, RTC_IO_TOUCH_PAD3_RDE_M, RTC_IO_TOUCH_PAD3_SLP_SEL_M, RTC_IO_TOUCH_PAD3_SLP_IE_M, 0, RTC_IO_TOUCH_PAD3_HOLD_M, RTC_CNTL_TOUCH_PAD3_HOLD_FORCE_M, RTC_IO_TOUCH_PAD3_DRV_V, RTC_IO_TOUCH_PAD3_DRV_S, RTCIO_CHANNEL_13_GPIO_NUM},//15
    {RTC_IO_TOUCH_PAD4_REG, RTC_IO_TOUCH_PAD4_MUX_SEL_M, RTC_IO_TOUCH_PAD4_FUN_SEL_S, RTC_IO_TOUCH_PAD4_FUN_IE_M, RTC_IO_TOUCH_PAD4_RUE_M, RTC_IO_TOUCH_PAD4_RDE_M, RTC_IO_TOUCH_PAD4_SLP_SEL_M, RTC_IO_TOUCH_PAD4_SLP_IE_M, 0, RTC_IO_TOUCH_PAD4_HOLD_M, RTC_CNTL_TOUCH_PAD4_HOLD_FORCE_M, RTC_IO_TOUCH_PAD4_DRV_V, RTC_IO_TOUCH_PAD4_DRV_S, RTCIO_CHANNEL_14_GPIO_NUM},//13
    {RTC_IO_TOUCH_PAD5_REG, RTC_IO_TOUCH_PAD5_MUX_SEL_M, RTC_IO_TOUCH_PAD5_FUN_SEL_S, RTC_IO_TOUCH_PAD5_FUN_IE_M, RTC_IO_TOUCH_PAD5_RUE_M, RTC_IO_TOUCH_PAD5_RDE_M, RTC_IO_TOUCH_PAD5_SLP_SEL_M, RTC_IO_TOUCH_PAD5_SLP_IE_M, 0, RTC_IO_TOUCH_PAD5_HOLD_M, RTC_CNTL_TOUCH_PAD5_HOLD_FORCE_M, RTC_IO_TOUCH_PAD5_DRV_V, RTC_IO_TOUCH_PAD5_DRV_S, RTCIO_CHANNEL_15_GPIO_NUM},//12
    {RTC_IO_TOUCH_PAD6_REG, RTC_IO_TOUCH_PAD6_MUX_SEL_M, RTC_IO_TOUCH_PAD6_FUN_SEL_S, RTC_IO_TOUCH_PAD6_FUN_IE_M, RTC_IO_TOUCH_PAD6_RUE_M, RTC_IO_TOUCH_PAD6_RDE_M, RTC_IO_TOUCH_PAD6_SLP_SEL_M, RTC_IO_TOUCH_PAD6_SLP_IE_M, 0, RTC_IO_TOUCH_PAD6_HOLD_M, RTC_CNTL_TOUCH_PAD6_HOLD_FORCE_M, RTC_IO_TOUCH_PAD6_DRV_V, RTC_IO_TOUCH_PAD6_DRV_S, RTCIO_CHANNEL_16_GPIO_NUM},//14
    {RTC_IO_TOUCH_PAD7_REG, RTC_IO_TOUCH_PAD7_MUX_SEL_M, RTC_IO_TOUCH_PAD7_FUN_SEL_S, RTC_IO_TOUCH_PAD7_FUN_IE_M, RTC_IO_TOUCH_PAD7_RUE_M, RTC_IO_TOUCH_PAD7_RDE_M, RTC_IO_TOUCH_PAD7_SLP_SEL_M, RTC_IO_TOUCH_PAD7_SLP_IE_M, 0, RTC_IO_TOUCH_PAD7_HOLD_M, RTC_CNTL_TOUCH_PAD7_HOLD_FORCE_M, RTC_IO_TOUCH_PAD7_DRV_V, RTC_IO_TOUCH_PAD7_DRV_S, RTCIO_CHANNEL_17_GPIO_NUM},//27
};