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Add more efficient SPI implementation (#622)

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* Add more efficient SPI implementation

* Lint

* Add 200KHZ

* Updates

* Fix write_byte

* Update from datasheet

* Shift clock

* Fix calculation
This commit is contained in:
Otto Winter
2019-06-07 14:25:57 +02:00
committed by GitHub
parent 88ccd60a08
commit 726b0e73d9
14 changed files with 300 additions and 111 deletions
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esphome/components/pn532/pn532.h
+3 -3
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@@ -11,7 +11,9 @@ namespace pn532 {
class PN532BinarySensor;
class PN532Trigger;
class PN532 : public PollingComponent, public spi::SPIDevice {
class PN532 : public PollingComponent,
public spi::SPIDevice<spi::BIT_ORDER_LSB_FIRST, spi::CLOCK_POLARITY_LOW, spi::CLOCK_PHASE_LEADING,
spi::DATA_RATE_1MHZ> {
public:
void setup() override;
@@ -26,8 +28,6 @@ class PN532 : public PollingComponent, public spi::SPIDevice {
void register_trigger(PN532Trigger *trig) { this->triggers_.push_back(trig); }
protected:
bool is_device_msb_first() override;
/// Write the full command given in data to the PN532
void pn532_write_command_(const std::vector<uint8_t> &data);
bool pn532_write_command_check_ack_(const std::vector<uint8_t> &data);