mirror of
https://github.com/espressif/ESP8266_RTOS_SDK.git
synced 2025-10-31 18:57:14 +08:00
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
#ifndef _ESP_EFUSE_H
|
|
#define _ESP_EFUSE_H
|
|
|
|
#include "soc/efuse_reg.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* @brief Permanently update values written to the efuse write registers
|
|
*
|
|
* After updating EFUSE_BLKx_WDATAx_REG registers with new values to
|
|
* write, call this function to permanently write them to efuse.
|
|
*
|
|
* @note Setting bits in efuse is permanent, they cannot be unset.
|
|
*
|
|
* @note Due to this restriction you don't need to copy values to
|
|
* Efuse write registers from the matching read registers, bits which
|
|
* are set in the read register but unset in the matching write
|
|
* register will be unchanged when new values are burned.
|
|
*
|
|
* @note This function is not threadsafe, if calling code updates
|
|
* efuse values from multiple tasks then this is caller's
|
|
* responsibility to serialise.
|
|
*
|
|
* After burning new efuses, the read registers are updated to match
|
|
* the new efuse values.
|
|
*/
|
|
void esp_efuse_burn_new_values(void);
|
|
|
|
/* @brief Reset efuse write registers
|
|
*
|
|
* Efuse write registers are written to zero, to negate
|
|
* any changes that have been staged here.
|
|
*/
|
|
void esp_efuse_reset(void);
|
|
|
|
/* @brief Disable BASIC ROM Console via efuse
|
|
*
|
|
* By default, if booting from flash fails the ESP32 will boot a
|
|
* BASIC console in ROM.
|
|
*
|
|
* Call this function (from bootloader or app) to permanently
|
|
* disable the console on this chip.
|
|
*/
|
|
void esp_efuse_disable_basic_rom_console(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ESP_EFUSE_H */
|
|
|