mirror of
https://github.com/OpenRTX/OpenRTX
synced 2026-08-08 12:29:06 -04:00
95fdcd5fe2
This change removes the old copyright header from project sources and replaces it with a new simplified SPDX-compliant header. Note that files that were missing the header but reasonably understood to be licensed according to the root license were not corrected. Signed-off-by: Ryan Turner <ryan@turnrye.com>
31 lines
617 B
C++
31 lines
617 B
C++
/*
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* SPDX-FileCopyrightText: Copyright 2020-2026 OpenRTX Contributors
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "peripherals/gpio.h"
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#include "hwconfig.h"
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#include "MAX9814.h"
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/*
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* Implementation of MAX9814 gain setting
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*/
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void max9814_setGain(uint8_t gain)
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{
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if (gain == 0)
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{
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gpio_setMode(MIC_GAIN, OUTPUT);
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gpio_setPin(MIC_GAIN); // 40 dB gain
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}
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else if (gain == 1)
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{
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gpio_setMode(MIC_GAIN, OUTPUT);
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gpio_clearPin(MIC_GAIN); // 50 dB gain
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}
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else
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{
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gpio_setMode(MIC_GAIN, INPUT); // High impedance, 60 dB gain
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}
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}
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