esphome/esphome/components/as3935_spi/as3935_spi.cpp
2019-10-13 13:51:34 +02:00

48 lines
1.2 KiB
C++

#include "as3935_spi.h"
#include "esphome/core/log.h"
namespace esphome {
namespace as3935_spi {
static const char *TAG = "as3935_spi";
void SPIAS3935Component::setup() {
ESP_LOGI(TAG, "SPIAS3935Component setup started!");
this->spi_setup();
ESP_LOGI(TAG, "SPI setup finished!");
AS3935Component::setup();
}
void SPIAS3935Component::dump_config() {
AS3935Component::dump_config();
LOG_PIN(" CS Pin: ", this->cs_);
}
void SPIAS3935Component::write_register(uint8_t reg, uint8_t mask, uint8_t bits, uint8_t start_pos) {
uint8_t write_reg = this->read_register(reg);
write_reg &= (~mask);
write_reg |= (bits << start_pos);
this->enable();
this->write_byte(reg);
this->write_byte(write_reg);
this->disable();
}
uint8_t SPIAS3935Component::read_register(uint8_t reg) {
uint8_t value = 0;
this->enable();
this->write_byte(reg |= SPI_READ_M);
value = this->read_byte();
// According to datsheet, the chip select must be written HIGH, LOW, HIGH
// to correctly end the READ command.
this->cs_->digital_write(true);
this->cs_->digital_write(false);
this->disable();
ESP_LOGV(TAG, "read_register_: %d", value);
return value;
}
} // namespace as3935_spi
} // namespace esphome