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Clear UART read buffer before sending next command (#6200)
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1 changed files with 2 additions and 0 deletions
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@ -336,6 +336,8 @@ void FingerprintGrowComponent::aura_led_control(uint8_t state, uint8_t speed, ui
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}
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uint8_t FingerprintGrowComponent::send_command_() {
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while (this->available())
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this->read();
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this->write((uint8_t) (START_CODE >> 8));
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this->write((uint8_t) (START_CODE & 0xFF));
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this->write(this->address_[0]);
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