esp-idf/components/xtensa/include/eri.h

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2016-10-17 04:18:17 +00:00
#ifndef ERI_H
#define ERI_H
#include <stdint.h>
/*
The ERI is a bus internal to each Xtensa core. It connects, amongst others, to the debug interface, where it
allows reading/writing the same registers as available over JTAG.
*/
/**
* @brief Perform an ERI read
* @param addr : ERI register to read from
*
* @return Value read
*/
uint32_t eri_read(int addr);
/**
* @brief Perform an ERI write
* @param addr : ERI register to write to
* @param data : Value to write
*
* @return Value read
*/
void eri_write(int addr, uint32_t data);
#endif