esp-idf/components/hal/esp32c3/brownout_hal.c

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888 B
C
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/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "hal/brownout_hal.h"
#include "soc/rtc_cntl_struct.h"
#include "soc/rtc_cntl_reg.h"
#include "esp_private/regi2c_ctrl.h"
#include "regi2c_brownout.h"
void brownout_hal_config(const brownout_hal_config_t *cfg)
{
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REGI2C_WRITE_MASK(I2C_BOD, I2C_BOD_THRESHOLD, cfg->threshold);
typeof(RTCCNTL.brown_out) brown_out_reg = {
.close_flash_ena = cfg->flash_power_down,
.pd_rf_ena = cfg->rf_power_down,
.rst_wait = 0x3ff,
.rst_ena = cfg->reset_enabled,
.ena = cfg->enabled,
.rst_sel = 1,
};
RTCCNTL.brown_out = brown_out_reg;
}
void brownout_hal_intr_enable(bool enable)
{
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RTCCNTL.int_ena.rtc_brown_out = enable;
}
void brownout_hal_intr_clear(void)
{
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RTCCNTL.int_clr.rtc_brown_out = 1;
}