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-rw-r--r--60xx/libsensors_iio/software/core/mllite/start_manager.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/60xx/libsensors_iio/software/core/mllite/start_manager.c b/60xx/libsensors_iio/software/core/mllite/start_manager.c
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index 0000000..fb758e7
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+++ b/60xx/libsensors_iio/software/core/mllite/start_manager.c
@@ -0,0 +1,105 @@
+/*
+ $License:
+ Copyright (C) 2011-2012 InvenSense Corporation, All Rights Reserved.
+ See included License.txt for License information.
+ $
+ */
+
+/*******************************************************************************
+ *
+ * $Id:$
+ *
+ ******************************************************************************/
+/**
+ * @defgroup Start_Manager start_manager
+ * @brief Motion Library - Start Manager
+ * Start Manager
+ *
+ * @{
+ * @file start_manager.c
+ * @brief This handles all the callbacks when inv_start_mpl() is called.
+ */
+
+
+#include <string.h>
+#include "log.h"
+#include "start_manager.h"
+
+typedef inv_error_t (*inv_start_cb_func)();
+struct inv_start_cb_t {
+ int num_cb;
+ inv_start_cb_func start_cb[INV_MAX_START_CB];
+};
+
+static struct inv_start_cb_t inv_start_cb;
+
+/** Initilize the start manager. Typically called by inv_start_mpl();
+* @return Returns INV_SUCCESS if successful or an error code if not.
+*/
+inv_error_t inv_init_start_manager(void)
+{
+ memset(&inv_start_cb, 0, sizeof(inv_start_cb));
+ return INV_SUCCESS;
+}
+
+/** Removes a callback from start notification
+* @param[in] start_cb function to remove from start notification
+* @return Returns INV_SUCCESS if successful or an error code if not.
+*/
+inv_error_t inv_unregister_mpl_start_notification(inv_error_t (*start_cb)(void))
+{
+ int kk;
+
+ for (kk=0; kk<inv_start_cb.num_cb; ++kk) {
+ if (inv_start_cb.start_cb[kk] == start_cb) {
+ // Found the match
+ if (kk != (inv_start_cb.num_cb-1)) {
+ memmove(&inv_start_cb.start_cb[kk],
+ &inv_start_cb.start_cb[kk+1],
+ (inv_start_cb.num_cb-kk-1)*sizeof(inv_start_cb_func));
+ }
+ inv_start_cb.num_cb--;
+ return INV_SUCCESS;
+ }
+ }
+ return INV_ERROR_INVALID_PARAMETER;
+}
+
+/** Register a callback to receive when inv_start_mpl() is called.
+* @param[in] start_cb Function callback that will be called when inv_start_mpl() is
+* called.
+* @return Returns INV_SUCCESS if successful or an error code if not.
+*/
+inv_error_t inv_register_mpl_start_notification(inv_error_t (*start_cb)(void))
+{
+ if (inv_start_cb.num_cb >= INV_MAX_START_CB)
+ return INV_ERROR_INVALID_PARAMETER;
+
+ inv_start_cb.start_cb[inv_start_cb.num_cb] = start_cb;
+ inv_start_cb.num_cb++;
+ return INV_SUCCESS;
+}
+
+/** Callback all the functions that want to be notified when inv_start_mpl() was
+* called.
+* @return Returns INV_SUCCESS if successful or an error code if not.
+*/
+inv_error_t inv_execute_mpl_start_notification(void)
+{
+ inv_error_t result,first_error;
+ int kk;
+
+ first_error = INV_SUCCESS;
+
+ for (kk = 0; kk < inv_start_cb.num_cb; ++kk) {
+ result = inv_start_cb.start_cb[kk]();
+ if (result && (first_error == INV_SUCCESS)) {
+ first_error = result;
+ }
+ }
+ return first_error;
+}
+
+/**
+ * @}
+ */