BME280 SPI (#5538)

* bme spi finally

* linter

* CO

* tidy

* lint

* tidy [2]

* tidy[-1]

* final solution

* Update test1.yaml

remove failed test

* Update test1.1.yaml

add test to another file with free GPIO5 pin

* fix spi read bytes

* fix tests

* rename bme280 to bme280_i2c

esphome/components/bme280_spi/bme280_spi.cpp

@@ -0,0 +1,66 @@
+#include <cstdint>
+#include <cstddef>
+
+#include "bme280_spi.h"
+#include <esphome/components/bme280_base/bme280_base.h>
+
+int set_bit(uint8_t num, int position) {
+  int mask = 1 << position;
+  return num | mask;
+}
+
+int clear_bit(uint8_t num, int position) {
+  int mask = 1 << position;
+  return num & ~mask;
+}
+
+namespace esphome {
+namespace bme280_spi {
+
+void BME280SPIComponent::setup() {
+  this->spi_setup();
+  BME280Component::setup();
+};
+
+// In SPI mode, only 7 bits of the register addresses are used; the MSB of register address is not used
+// and replaced by a read/write bit (RW = ‘0’ for write and RW = ‘1’ for read).
+// Example: address 0xF7 is accessed by using SPI register address 0x77. For write access, the byte
+// 0x77 is transferred, for read access, the byte 0xF7 is transferred.
+// https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf
+
+bool BME280SPIComponent::read_byte(uint8_t a_register, uint8_t *data) {
+  this->enable();
+  // cause: *data = this->delegate_->transfer(tmp) doesnt work
+  this->delegate_->transfer(set_bit(a_register, 7));
+  *data = this->delegate_->transfer(0);
+  this->disable();
+  return true;
+}
+
+bool BME280SPIComponent::write_byte(uint8_t a_register, uint8_t data) {
+  this->enable();
+  this->delegate_->transfer(clear_bit(a_register, 7));
+  this->delegate_->transfer(data);
+  this->disable();
+  return true;
+}
+
+bool BME280SPIComponent::read_bytes(uint8_t a_register, uint8_t *data, size_t len) {
+  this->enable();
+  this->delegate_->transfer(set_bit(a_register, 7));
+  this->delegate_->read_array(data, len);
+  this->disable();
+  return true;
+}
+
+bool BME280SPIComponent::read_byte_16(uint8_t a_register, uint16_t *data) {
+  this->enable();
+  this->delegate_->transfer(set_bit(a_register, 7));
+  ((uint8_t *) data)[1] = this->delegate_->transfer(0);
+  ((uint8_t *) data)[0] = this->delegate_->transfer(0);
+  this->disable();
+  return true;
+}
+
+}  // namespace bme280_spi
+}  // namespace esphome