Import of the watch repository from Pebble

src/fw/drivers/imu/bmi160/bmi160_private.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+#include "board/board.h"
+#include "drivers/gpio.h"
+#include "drivers/periph_config.h"
+#include "drivers/spi.h"
+
+//! Ask the chip to accept input from the SPI bus. Required after issuing a soft reset.
+void bmi160_enable_spi_mode(void);
+void bmi160_begin_burst(uint8_t addr);
+void bmi160_end_burst(void);
+
+uint8_t bmi160_read_reg(uint8_t reg);
+uint16_t bmi160_read_16bit_reg(uint8_t reg);
+void bmi160_write_reg(uint8_t reg, uint8_t value);