ESP-IDF
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Outline
#include <stdint.h>
#include "eri.h"
eri_read(int)
eri_write(int, uint32_t)
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/xtensa/eri.c
 
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/* * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 OR MIT *//* ... */ #include <stdint.h> #include "eri.h" uint32_t eri_read(int addr) { uint32_t ret; asm volatile ( "RER %0,%1" :"=r"(ret):"r"(addr) ); return ret; }{ ... } void eri_write(int addr, uint32_t data) { asm volatile ( "WER %0,%1" ::"r"(data),"r"(addr) ); }{ ... }
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