mirror of https://github.com/esphome/esphome.git
58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#include "bmp3xx_spi.h"
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#include <cinttypes>
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namespace esphome {
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namespace bmp3xx_spi {
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static const char *const TAG = "bmp3xx_spi.sensor";
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uint8_t set_bit(uint8_t num, int position) {
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int mask = 1 << position;
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return num | mask;
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}
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uint8_t clear_bit(uint8_t num, int position) {
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int mask = 1 << position;
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return num & ~mask;
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}
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void BMP3XXSPIComponent::setup() {
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this->spi_setup();
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BMP3XXComponent::setup();
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}
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bool BMP3XXSPIComponent::read_byte(uint8_t a_register, uint8_t *data) {
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this->enable();
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this->transfer_byte(set_bit(a_register, 7));
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*data = this->transfer_byte(0);
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this->disable();
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return true;
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}
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bool BMP3XXSPIComponent::write_byte(uint8_t a_register, uint8_t data) {
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this->enable();
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this->transfer_byte(clear_bit(a_register, 7));
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this->transfer_byte(data);
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this->disable();
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return true;
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}
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bool BMP3XXSPIComponent::read_bytes(uint8_t a_register, uint8_t *data, size_t len) {
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this->enable();
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this->transfer_byte(set_bit(a_register, 7));
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this->read_array(data, len);
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this->disable();
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return true;
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}
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bool BMP3XXSPIComponent::write_bytes(uint8_t a_register, uint8_t *data, size_t len) {
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this->enable();
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this->transfer_byte(clear_bit(a_register, 7));
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this->transfer_array(data, len);
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this->disable();
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return true;
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}
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} // namespace bmp3xx_spi
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} // namespace esphome
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