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Code Issues Releases Wiki Activity

Add support for PN7160 (#5486)

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This commit is contained in:
Keith Burzinski
2023-12-13 16:54:55 -06:00
committed by GitHub
parent 81aa48a5f3
commit 6fd239362d
20 changed files with 2964 additions and 1 deletions
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54
esphome/components/pn7160_spi/pn7160_spi.cpp Normal file
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#include "pn7160_spi.h"
#include "esphome/core/log.h"
namespace esphome {
namespace pn7160_spi {
static const char *const TAG = "pn7160_spi";
void PN7160Spi::setup() {
this->spi_setup();
this->cs_->digital_write(false);
PN7160::setup();
}
uint8_t PN7160Spi::read_nfcc(nfc::NciMessage &rx, const uint16_t timeout) {
if (this->wait_for_irq_(timeout) != nfc::STATUS_OK) {
ESP_LOGW(TAG, "read_nfcc_() timeout waiting for IRQ");
return nfc::STATUS_FAILED;
}
rx.get_message().resize(nfc::NCI_PKT_HEADER_SIZE);
this->enable();
this->write_byte(TDD_SPI_READ); // send "transfer direction detector"
this->read_array(rx.get_message().data(), nfc::NCI_PKT_HEADER_SIZE);
uint8_t length = rx.get_payload_size();
if (length > 0) {
rx.get_message().resize(length + nfc::NCI_PKT_HEADER_SIZE);
this->read_array(rx.get_message().data() + nfc::NCI_PKT_HEADER_SIZE, length);
}
this->disable();
// semaphore to ensure transaction is complete before returning
if (this->wait_for_irq_(pn7160::NFCC_DEFAULT_TIMEOUT, false) != nfc::STATUS_OK) {
ESP_LOGW(TAG, "read_nfcc_() post-read timeout waiting for IRQ line to clear");
return nfc::STATUS_FAILED;
}
return nfc::STATUS_OK;
}
uint8_t PN7160Spi::write_nfcc(nfc::NciMessage &tx) {
this->enable();
this->write_byte(TDD_SPI_WRITE); // send "transfer direction detector"
this->write_array(tx.encode().data(), tx.encode().size());
this->disable();
return nfc::STATUS_OK;
}
void PN7160Spi::dump_config() {
PN7160::dump_config();
LOG_PIN(" CS Pin: ", this->cs_);
}
} // namespace pn7160_spi
} // namespace esphome