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https://github.com/espressif/esp-idf.git
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44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
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/*
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* SPDX-FileCopyrightText: 2021-2022 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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#pragma once
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#include <stdint.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include "esp_err.h"
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#include "ulp_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Run the program loaded into RTC memory
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* @return ESP_OK on success
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*/
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esp_err_t ulp_riscv_run(void);
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/**
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* @brief Load ULP-RISC-V program binary into RTC memory
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*
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* Different than ULP FSM, the binary program has no special format, it is the ELF
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* file generated by RISC-V toolchain converted to binary format using objcopy.
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*
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* Linker script in components/ulp/ld/esp32s3.ulp.riscv.ld produces ELF files which
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* correspond to this format. This linker script produces binaries with load_addr == 0.
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*
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* @param program_binary pointer to program binary
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* @param program_size_bytes size of the program binary
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* @return
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* - ESP_OK on success
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* - ESP_ERR_INVALID_SIZE if program_size_bytes is more than 8KiB
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*/
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esp_err_t ulp_riscv_load_binary(const uint8_t* program_binary, size_t program_size_bytes);
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#ifdef __cplusplus
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}
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#endif
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