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Clear UART read buffer before sending next command (#6200)

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SmartShackMaster 2024-02-20 23:27:17 +02:00 committed by Jesse Hills
parent 841a831c63
commit 4eb04afa62
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1 changed files with 2 additions and 0 deletions
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esphome/components/fingerprint_grow/fingerprint_grow.cpp
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@ -336,6 +336,8 @@ void FingerprintGrowComponent::aura_led_control(uint8_t state, uint8_t speed, ui
} }
uint8_t FingerprintGrowComponent::send_command_() { uint8_t FingerprintGrowComponent::send_command_() {
while (this->available())
this->read();
this->write((uint8_t) (START_CODE >> 8)); this->write((uint8_t) (START_CODE >> 8));
this->write((uint8_t) (START_CODE & 0xFF)); this->write((uint8_t) (START_CODE & 0xFF));
this->write(this->address_[0]); this->write(this->address_[0]);