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34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2025 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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#include "hal/assert.h"
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#include "hal/vbat_ll.h"
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#include "hal/vbat_hal.h"
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void vbat_hal_config(const vbat_hal_config_t *cfg)
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{
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vbat_ll_clear_count();
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vbat_ll_enable_charger_comparator(cfg->enable_vbat_charger);
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if (cfg->enable_vbat_charger) {
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uint8_t resistor_reg = (cfg->charger_resistor_value - 1000) / 500;
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vbat_ll_set_charger_resistor(resistor_reg);
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vbat_ll_set_charger_threshold(cfg->low_threshold, cfg->high_threshold);
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HAL_ASSERT(cfg->undervoltage_filter_time > cfg->upvoltage_filter_time);
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vbat_ll_set_undervoltage_filter_time(cfg->undervoltage_filter_time);
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vbat_ll_set_upvoltage_filter_time(cfg->upvoltage_filter_time);
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}
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vbat_ll_set_brownout_threshold(cfg->brownout_threshold);
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uint32_t int_status;
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vbat_ll_get_interrupt_status(&int_status);
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// TODO: When the chip wakes up from vbat under voltage, the upvoltage interrupt will
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// be triggered at the same time, workaround by software here.
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if (int_status & VBAT_LL_CHARGER_UNDERVOLTAGE_INTR) {
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vbat_ll_clear_intr_mask(VBAT_LL_CHARGER_UPVOLTAGE_INTR);
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}
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vbat_ll_enable_intr_mask(cfg->interrupt_mask, true);
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}
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