esphome/esphome/components/rc522_i2c/rc522_i2c.cpp
Otto Winter ac0d921413
ESP-IDF support and generic target platforms (#2303)
* Socket refactor and SSL

* esp-idf temp

* Fixes

* Echo component and noise

* Add noise API transport support

* Updates

* ESP-IDF

* Complete

* Fixes

* Fixes

* Versions update

* New i2c APIs

* Complete i2c refactor

* SPI migration

* Revert ESP Preferences migration, too complex for now

* OTA support

* Remove echo again

* Remove ssl again

* GPIOFlags updates

* Rename esphal and ICACHE_RAM_ATTR

* Make ESP32 arduino compilable again

* Fix GPIO flags

* Complete pin registry refactor and fixes

* Fixes to make test1 compile

* Remove sdkconfig file

* Ignore sdkconfig file

* Fixes in reviewing

* Make test2 compile

* Make test4 compile

* Make test5 compile

* Run clang-format

* Fix lint errors

* Use esp-idf APIs instead of btStart

* Another round of fixes

* Start implementing ESP8266

* Make test3 compile

* Guard esp8266 code

* Lint

* Reformat

* Fixes

* Fixes v2

* more fixes

* ESP-IDF tidy target

* Convert ARDUINO_ARCH_ESPxx

* Update WiFiSignalSensor

* Update time ifdefs

* OTA needs millis from hal

* RestartSwitch needs delay from hal

* ESP-IDF Uart

* Fix OTA blank password

* Allow setting sdkconfig

* Fix idf partitions and allow setting sdkconfig from yaml

* Re-add read/write compat APIs and fix esp8266 uart

* Fix esp8266 store log strings in flash

* Fix ESP32 arduino preferences not initialized

* Update ifdefs

* Change how sdkconfig change is detected

* Add checks to ci-custom and fix them

* Run clang-format

* Add esp-idf clang-tidy target and fix errors

* Fixes from clang-tidy idf round 2

* Fixes from compiling tests with esp-idf

* Run clang-format

* Switch test5.yaml to esp-idf

* Implement ESP8266 Preferences

* Lint

* Re-do PIO package version selection a bit

* Fix arduinoespressif32 package version

* Fix unit tests

* Lint

* Lint fixes

* Fix readv/writev not defined

* Fix graphing component

* Re-add all old options from core/config.py

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
2021-09-20 11:47:51 +02:00

70 lines
2.3 KiB
C++

#include "rc522_i2c.h"
#include "esphome/core/log.h"
namespace esphome {
namespace rc522_i2c {
static const char *const TAG = "rc522_i2c";
void RC522I2C::dump_config() {
RC522::dump_config();
LOG_I2C_DEVICE(this);
}
/**
* Reads a uint8_t from the specified register in the MFRC522 chip.
* The interface is described in the datasheet section 8.1.2.
*/
uint8_t RC522I2C::pcd_read_register(PcdRegister reg ///< The register to read from. One of the PCD_Register enums.
) {
uint8_t value;
if (!read_byte(reg >> 1, &value))
return 0;
ESP_LOGVV(TAG, "read_register_(%x) -> %u", reg, value);
return value;
}
/**
* Reads a number of uint8_ts from the specified register in the MFRC522 chip.
* The interface is described in the datasheet section 8.1.2.
*/
void RC522I2C::pcd_read_register(PcdRegister reg, ///< The register to read from. One of the PCD_Register enums.
uint8_t count, ///< The number of uint8_ts to read
uint8_t *values, ///< uint8_t array to store the values in.
uint8_t rx_align ///< Only bit positions rxAlign..7 in values[0] are updated.
) {
if (count == 0) {
return;
}
uint8_t b = values[0];
read_bytes(reg >> 1, values, count);
if (rx_align) // Only update bit positions rxAlign..7 in values[0]
{
// Create bit mask for bit positions rxAlign..7
uint8_t mask = 0xFF << rx_align;
// Apply mask to both current value of values[0] and the new data in values array.
values[0] = (b & ~mask) | (values[0] & mask);
}
}
void RC522I2C::pcd_write_register(PcdRegister reg, ///< The register to write to. One of the PCD_Register enums.
uint8_t value ///< The value to write.
) {
this->write_byte(reg >> 1, value);
}
/**
* Writes a number of uint8_ts to the specified register in the MFRC522 chip.
* The interface is described in the datasheet section 8.1.2.
*/
void RC522I2C::pcd_write_register(PcdRegister reg, ///< The register to write to. One of the PCD_Register enums.
uint8_t count, ///< The number of uint8_ts to write to the register
uint8_t *values ///< The values to write. uint8_t array.
) {
write_bytes(reg >> 1, values, count);
}
} // namespace rc522_i2c
} // namespace esphome