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30 lines
644 B
C
30 lines
644 B
C
/*
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* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "esp_types.h"
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#include "esp_bit_defs.h"
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#include "soc/soc_caps.h"
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static uint64_t s_reserve_status = 0;
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void esp_gpio_reserve_pins(uint64_t mask)
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{
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#if SOC_GPIO_PIN_COUNT < 64
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mask &= BIT64(SOC_GPIO_PIN_COUNT) - 1;
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#endif
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s_reserve_status |= mask;
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}
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bool esp_gpio_is_pin_reserved(uint32_t gpio_num)
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{
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if (gpio_num >= SOC_GPIO_PIN_COUNT) {
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return false;
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}
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return !!(s_reserve_status & BIT64(gpio_num));
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}
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// TODO: IDF-6968 reserve the pins that not fanned out regarding the SiP version
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