Added BMA456 helper functions with their own files

src/W800_SDK_v1.00.10/app/app_drivers/i2c/bma456_wrapper.c

@@ -0,0 +1,71 @@
+/**
+ * @file bma456_wrapper.c
+ * @author Anatole SCHRAMM-HENRY
+ * @brief Source file containing custom helper functions that are not part of the Bosh official driver
+ * @version 0.1
+ * @date 2024-01-05
+ * 
+ * @copyright MIT
+ * 
+ */
+
+#include "bma456_wrapper.h"
+#include "i2c.h"
+#include "app_utils.h"
+
+static BMA4_INTF_RET_TYPE _bma456_i2c_read(uint8_t reg_addr, uint8_t *read_data, uint32_t len, void *intf_ptr)
+{
+    uint8_t dev_address = *(uint8_t*)intf_ptr;
+
+    return !i2c_read(dev_address, reg_addr, read_data, len);
+}
+
+static BMA4_INTF_RET_TYPE _bma456_i2c_write(uint8_t reg_addr, const uint8_t *read_data, uint32_t len, void *intf_ptr)
+{
+    uint8_t dev_address = *(uint8_t*)intf_ptr;
+
+    return !i2c_write(dev_address, reg_addr, read_data, len);
+}
+
+
+static void _bma456_delay_us(uint32_t period, void *intf_ptr)
+{
+    (void) intf_ptr;
+    us_delay(period);
+}
+
+bool bma456_wrapper_interface_init(struct bma4_dev *bma, uint8_t *dev_addr_ptr)
+{
+    if(!bma || !dev_addr_ptr) return false;
+
+    /* Init the BMA456 */
+    bma->intf = BMA4_I2C_INTF;
+    bma->intf_ptr = dev_addr_ptr;
+    bma->bus_read = &(_bma456_i2c_read);
+    bma->bus_write = &(_bma456_i2c_write);
+    bma->variant = BMA45X_VARIANT;
+    bma->delay_us = &(_bma456_delay_us);
+    bma->read_write_len = 500; // Default was 46
+    bma->perf_mode_status = BMA4_DISABLE;
+
+    return true;
+}
+
+bool bma456_wrapper_is_config_file_already_loaded(struct bma4_dev *bma)
+{
+    uint8_t status = 0;
+
+    if(!bma) return false;
+
+    /* Read the status of BMA4 accelerometer to know if the ASIC is running or not */
+    if(bma4_read_regs(BMA4_INTERNAL_STAT, &status, 1, bma) == BMA4_OK);
+    {
+        /* Only get the message bits */
+        status &= BMA4_CONFIG_STREAM_MESSAGE_MSK;
+
+        return status == BMA4_ASIC_INITIALIZED;
+    }
+    
+    /* If we failed to read the register, just say it is not loaded */
+    return false;
+}

src/W800_SDK_v1.00.10/app/app_drivers/i2c/bma456_wrapper.h

@@ -0,0 +1,37 @@
+/**
+ * @file bma456_wrapper.h
+ * @author Anatole SCHRAMM-HENRY
+ * @brief Header file containing custom helper functions that are not part of the Bosh official driver
+ * @version 0.1
+ * @date 2024-01-05
+ * 
+ * @copyright MIT
+ * 
+ */
+
+#ifndef BMA456_WRAPPER_H
+#define BMA456_WRAPPER_H
+
+#include "wm_type_def.h"
+#include "bma456w.h"
+
+/**
+ * @brief Helper function used to initialize the BMA456 driver interface (i2c read and write functions, us_delay functions and other settings).
+ * 
+ * @param bma a pointer to a user allocated @ref bma4_dev object
+ * @param dev_addr_ptr a pointer to an uint8_t containing the device's i2c address
+ * @return true on initialization success
+ * @return false on failure
+ */
+bool bma456_wrapper_interface_init(struct bma4_dev *bma, uint8_t *dev_addr_ptr);
+
+/**
+ * @brief Helper function returning the state of the ASIC's config file loading.
+ * 
+ * @param bma a pointer to a user allocated and initialized @ref bma4_dev object
+ * @return true if the config file was already loaded in the BMA456
+ * @return false if a config file is not loaded in the BMA456 ie ASIC is not started
+ */
+bool bma456_wrapper_is_config_file_already_loaded(struct bma4_dev *bma);
+
+#endif //BMA456_WRAPPER_H