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2026-06-09 16:39:17 +08:00
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+/**
+****************************************************************************************
+*
+* @file rwip_int.h
+*
+* @brief RW IP internal SW main module
+*
+* Copyright (C) RivieraWaves 2009-2015
+*
+*
+****************************************************************************************
+*/
+#ifndef _RWIP_INT_H_
+#define _RWIP_INT_H_
+
+/**
+ ****************************************************************************************
+ * @addtogroup ROOT
+ * @brief Entry points of the RW IP stacks/modules
+ *
+ * This module contains the primitives that allow an application accessing and running the
+ * RW IP protocol stacks / modules.
+ *
+ * @{
+ ****************************************************************************************
+ */
+
+/*
+ * INCLUDE FILES
+ ****************************************************************************************
+ */
+#include "rwip_config.h"          // stack configuration
+
+#include <stdint.h>               // standard integer definitions
+#include <stdbool.h>              // standard boolean definitions
+
+
+/*
+ * DEFINES
+ ****************************************************************************************
+ */
+
+
+/*
+ * STRUCTURE DEFINITIONS
+ ****************************************************************************************
+ */
+
+#if (BLE_EMB_PRESENT && BLE_ISO_PRESENT)
+/// structure that represents ISO timer
+typedef struct rwip_iso_timer_
+{
+    /// Target BTS time (in us)
+    uint32_t           tgt_bts[RWIP_ISO_TIMER_FIFO_DEPTH];
+    /// Current ISO timer index
+    uint8_t            curr_idx;
+    /// Next ISO timer index
+    uint8_t            next_idx;
+    /// Number of ISO timers programmed
+    uint8_t            prog_nb;
+} rwip_iso_timer_t;
+#endif // (BLE_EMB_PRESENT && BLE_ISO_PRESENT)
+
+/// RWIP Environment structure
+struct rwip_env_tag
+{
+    #if (BLE_EMB_PRESENT && BLE_ISO_PRESENT)
+    rwip_iso_timer_t iso_timer;
+    #endif // (BLE_EMB_PRESENT && BLE_ISO_PRESENT)
+
+    #if (BLE_EMB_PRESENT || BT_EMB_PRESENT)
+    /// Arbiter target timer  (integer part, in half slots)
+    uint32_t          timer_arb_target;
+    /// Alarm target timer (integer part, in half slots)
+    uint32_t          timer_alarm_target;
+    #endif // (BLE_EMB_PRESENT || BT_EMB_PRESENT)
+    /// Common target timer (in half slots)
+    uint32_t          timer_co_target;
+    /// Last Sampled time (used for time conversion)
+    rwip_time_t       last_samp_time;
+
+    #if (BLE_EMB_PRESENT || BT_EMB_PRESENT)
+    /// Contains sleep duration accumulated timing error (32kHz: 1/2 half us | 32.768kHz: 1/256 half-us)
+    uint32_t          sleep_acc_error;
+    /// Power_up delay (in LP clock cycle unit, depends on Low power clock frequency)
+    uint32_t          lp_cycle_wakeup_delay;
+    /// Duration of sleep and wake-up algorithm (depends on CPU speed) expressed in half us.
+    uint16_t          sleep_algo_dur;
+    #endif // (BLE_EMB_PRESENT || BT_EMB_PRESENT)
+    /// Prevent sleep bit field
+    uint16_t          prevent_sleep;
+    #if (BLE_EMB_PRESENT || BT_EMB_PRESENT)
+    /// External wake-up support
+    bool              ext_wakeup_enable;
+    #if (!BLE_EMB_PRESENT)
+    /// BTS sampling clock half microseconds residual (0 or 1)
+    uint8_t           samp_hus_residual;
+    #endif // (!BLE_EMB_PRESENT)
+    #endif // (BLE_EMB_PRESENT || BT_EMB_PRESENT)
+};
+
+
+/*
+ * GLOBAL DEFINITIONS
+ ****************************************************************************************
+ */
+
+/// RW SW environment
+extern struct rwip_env_tag rwip_env;
+
+
+/*
+ * FUNCTION DEFINITIONS
+ ****************************************************************************************
+ */
+
+/**
+ * Initialization of the RW IP Common core driver
+ *
+ * @param[in] init_type  Type of initialization (@see enum rwip_init_type)
+ */
+void rwip_driver_init(uint8_t init_type);
+
+
+///@} ROOT
+
+#endif // _RWIP_INT_H_