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Merge branch 'feature/c6_ulp_gpio' into 'master'
ulp: added gpio API for lp core Closes IDF-6834 See merge request espressif/esp-idf!23766
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components/ulp/lp_core/lp_core/include/ulp_lp_core_gpio.h
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| /* | ||
| * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| #pragma once | ||
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| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
|
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| #include "hal/gpio_types.h" | ||
| #include "hal/rtc_io_ll.h" | ||
|
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| typedef enum { | ||
| LP_IO_NUM_0 = 0, /*!< GPIO0, input and output */ | ||
| LP_IO_NUM_1 = 1, /*!< GPIO1, input and output */ | ||
| LP_IO_NUM_2 = 2, /*!< GPIO2, input and output */ | ||
| LP_IO_NUM_3 = 3, /*!< GPIO3, input and output */ | ||
| LP_IO_NUM_4 = 4, /*!< GPIO4, input and output */ | ||
| LP_IO_NUM_5 = 5, /*!< GPIO5, input and output */ | ||
| LP_IO_NUM_6 = 6, /*!< GPIO6, input and output */ | ||
| LP_IO_NUM_7 = 7, /*!< GPIO7, input and output */ | ||
| } lp_io_num_t; | ||
|
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| /** | ||
| * @brief Initialize a rtcio pin | ||
| * | ||
| * @param lp_io_num The rtc io pin to initialize | ||
| */ | ||
| static inline void ulp_lp_core_gpio_init(lp_io_num_t lp_io_num) | ||
| { | ||
| rtcio_ll_function_select(lp_io_num, RTCIO_FUNC_RTC); | ||
| } | ||
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| /** | ||
| * @brief Enable output | ||
| * | ||
| * @param lp_io_num The rtc io pin to enable output for | ||
| */ | ||
| static inline void ulp_lp_core_gpio_output_enable(lp_io_num_t lp_io_num) | ||
| { | ||
| rtcio_ll_output_enable(lp_io_num); | ||
| } | ||
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| /** | ||
| * @brief Disable output | ||
| * | ||
| * @param lp_io_num The rtc io pin to disable output for | ||
| */ | ||
| static inline void ulp_lp_core_gpio_output_disable(lp_io_num_t lp_io_num) | ||
| { | ||
| rtcio_ll_output_disable(lp_io_num); | ||
| } | ||
|
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| /** | ||
| * @brief Enable input | ||
| * | ||
| * @param lp_io_num The rtc io pin to enable input for | ||
| */ | ||
| static inline void ulp_lp_core_gpio_input_enable(lp_io_num_t lp_io_num) | ||
| { | ||
| rtcio_ll_input_enable(lp_io_num); | ||
| } | ||
|
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| /** | ||
| * @brief Disable input | ||
| * | ||
| * @param lp_io_num The rtc io pin to disable input for | ||
| */ | ||
| static inline void ulp_lp_core_gpio_input_disable(lp_io_num_t lp_io_num) | ||
| { | ||
| rtcio_ll_input_disable(lp_io_num); | ||
| } | ||
|
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| /** | ||
| * @brief Set rtcio output level | ||
| * | ||
| * @param lp_io_num The rtc io pin to set the output level for | ||
| * @param level 0: output low; 1: output high. | ||
| */ | ||
| static inline void ulp_lp_core_gpio_set_level(lp_io_num_t lp_io_num, uint8_t level) | ||
| { | ||
| rtcio_ll_set_level(lp_io_num, level); | ||
| } | ||
|
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| /** | ||
| * @brief Get rtcio output level | ||
| * | ||
| * @param lp_io_num The rtc io pin to get the output level for | ||
| */ | ||
| static inline uint32_t ulp_lp_core_gpio_get_level(lp_io_num_t lp_io_num) | ||
| { | ||
| return rtcio_ll_get_level(lp_io_num); | ||
| } | ||
|
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| /** | ||
| * @brief Set rtcio output mode | ||
| * | ||
| * @param lp_io_num The rtc io pin to set the output mode for | ||
| * @param mode RTCIO_OUTPUT_NORMAL: normal, RTCIO_OUTPUT_OD: open drain | ||
| */ | ||
| static inline void ulp_lp_core_gpio_set_output_mode(lp_io_num_t lp_io_num, rtcio_ll_out_mode_t mode) | ||
| { | ||
| rtcio_ll_output_mode_set(lp_io_num, mode); | ||
| } | ||
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| /** | ||
| * @brief Enable internal pull-up resistor | ||
| * | ||
| * @param lp_io_num The rtc io pin to enable pull-up for | ||
| */ | ||
| static inline void ulp_lp_core_gpio_pullup_enable(lp_io_num_t lp_io_num) | ||
| { | ||
| /* Enable internal weak pull-up */ | ||
| rtcio_ll_pullup_enable(lp_io_num); | ||
| } | ||
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| /** | ||
| * @brief Disable internal pull-up resistor | ||
| * | ||
| * @param lp_io_num The rtc io pin to disable pull-up for | ||
| */ | ||
| static inline void ulp_lp_core_gpio_pullup_disable(lp_io_num_t lp_io_num) | ||
| { | ||
| /* Disable internal weak pull-up */ | ||
| rtcio_ll_pullup_disable(lp_io_num); | ||
| } | ||
|
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| /** | ||
| * @brief Enable internal pull-down resistor | ||
| * | ||
| * @param lp_io_num The rtc io pin to enable pull-down for | ||
| */ | ||
| static inline void ulp_lp_core_gpio_pulldown_enable(lp_io_num_t lp_io_num) | ||
| { | ||
| /* Enable internal weak pull-down */ | ||
| rtcio_ll_pulldown_enable(lp_io_num); | ||
| } | ||
|
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| /** | ||
| * @brief Disable internal pull-down resistor | ||
| * | ||
| * @param lp_io_num The rtc io pin to disable pull-down for | ||
| */ | ||
| static inline void ulp_lp_core_gpio_pulldown_disable(lp_io_num_t lp_io_num) | ||
| { | ||
| /* Enable internal weak pull-down */ | ||
| rtcio_ll_pulldown_disable(lp_io_num); | ||
| } | ||
|
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||
| #ifdef __cplusplus | ||
| } | ||
| #endif |
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35 changes: 35 additions & 0 deletions
35
components/ulp/test_apps/lp_core/main/lp_core/test_main_gpio.c
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* | ||
| * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| #include <stdint.h> | ||
| #include <stdbool.h> | ||
| #include "ulp_lp_core_utils.h" | ||
| #include "ulp_lp_core_gpio.h" | ||
|
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| volatile uint32_t gpio_test_finished; | ||
| volatile uint32_t gpio_test_succeeded; | ||
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| int main (void) | ||
| { | ||
| ulp_lp_core_gpio_init(LP_IO_NUM_0); | ||
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| ulp_lp_core_gpio_input_enable(LP_IO_NUM_0); | ||
| ulp_lp_core_gpio_output_enable(LP_IO_NUM_0); | ||
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| ulp_lp_core_gpio_set_level(LP_IO_NUM_0, 0); | ||
| gpio_test_succeeded = (ulp_lp_core_gpio_get_level(LP_IO_NUM_0) == 0); | ||
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| ulp_lp_core_gpio_set_level(LP_IO_NUM_0, 1); | ||
| gpio_test_succeeded &= (ulp_lp_core_gpio_get_level(LP_IO_NUM_0) == 1); | ||
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| ulp_lp_core_gpio_set_level(LP_IO_NUM_0, 0); | ||
| gpio_test_succeeded &= (ulp_lp_core_gpio_get_level(LP_IO_NUM_0) == 0); | ||
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| gpio_test_finished = 1; | ||
|
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| return 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,6 @@ | ||
| # The following lines of boilerplate have to be in your project's CMakeLists | ||
| # in this exact order for cmake to work correctly | ||
| cmake_minimum_required(VERSION 3.16) | ||
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| include($ENV{IDF_PATH}/tools/cmake/project.cmake) | ||
| project(lp_core_gpio_example) |
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