ble_mesh: Add ESP BLE Mesh implementation

components/bt/esp_ble_mesh/mesh_common/mesh_kernel.c

@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2016 Intel Corporation
+ * Copyright (c) 2016 Wind River Systems, Inc.
+ * Additional Copyright (c) 2018 Espressif Systems (Shanghai) PTE LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <errno.h>
+
+#include "sdkconfig.h"
+
+#include "osi/hash_map.h"
+#include "osi/alarm.h"
+#include "osi/hash_functions.h"
+
+#include "esp_timer.h"
+
+#include "mesh_kernel.h"
+#include "mesh_trace.h"
+
+#include "provisioner_prov.h"
+
+static osi_mutex_t bm_alarm_lock;
+static osi_mutex_t bm_irq_lock;
+static hash_map_t *bm_alarm_hash_map;
+static const size_t BLE_MESH_GENERAL_ALARM_HASH_MAP_SIZE = 20 + CONFIG_BLE_MESH_PBA_SAME_TIME + \
+        CONFIG_BLE_MESH_PBG_SAME_TIME;
+
+typedef struct alarm_t {
+    /* timer id point to here */
+    esp_timer_handle_t alarm_hdl;
+    osi_alarm_callback_t cb;
+    void *cb_data;
+    int64_t deadline_us;
+} osi_alarm_t;
+
+void bt_mesh_irq_lock(void)
+{
+    osi_mutex_lock(&bm_irq_lock, OSI_MUTEX_MAX_TIMEOUT);
+}
+
+void bt_mesh_irq_unlock(void)
+{
+    osi_mutex_unlock(&bm_irq_lock);
+}
+
+s64_t k_uptime_get(void)
+{
+    /** k_uptime_get_32 is in in milliseconds,
+     * but esp_timer_get_time is in microseconds
+     */
+    return (esp_timer_get_time() / 1000);
+}
+
+u32_t k_uptime_get_32(void)
+{
+    /** k_uptime_get_32 is in in milliseconds,
+     * but esp_timer_get_time is in microseconds
+     */
+    return (u32_t)(esp_timer_get_time() / 1000);
+}
+
+void k_sleep(s32_t duration)
+{
+    vTaskDelay(duration / portTICK_PERIOD_MS);
+    return;
+}
+
+void bt_mesh_k_init(void)
+{
+    osi_mutex_new(&bm_alarm_lock);
+    osi_mutex_new(&bm_irq_lock);
+    bm_alarm_hash_map = hash_map_new(BLE_MESH_GENERAL_ALARM_HASH_MAP_SIZE,
+                                     hash_function_pointer, NULL,
+                                     (data_free_fn)osi_alarm_free, NULL);
+    assert(bm_alarm_hash_map != NULL);
+}
+
+void k_delayed_work_init(struct k_delayed_work *work, k_work_handler_t handler)
+{
+    osi_alarm_t *alarm = NULL;
+
+    assert(work != NULL && bm_alarm_hash_map != NULL);
+
+    k_work_init(&work->work, handler);
+
+    osi_mutex_lock(&bm_alarm_lock, OSI_MUTEX_MAX_TIMEOUT);
+    if (!hash_map_has_key(bm_alarm_hash_map, (void *)work)) {
+        alarm = osi_alarm_new("bt_mesh", (osi_alarm_callback_t)handler, (void *)&work->work, 0);
+        if (alarm == NULL) {
+            BT_ERR("%s, Unable to create alarm", __func__);
+            return;
+        }
+        if (!hash_map_set(bm_alarm_hash_map, work, (void *)alarm)) {
+            BT_ERR("%s Unable to add the timer to hash map.", __func__);
+        }
+    }
+    osi_mutex_unlock(&bm_alarm_lock);
+
+    alarm = hash_map_get(bm_alarm_hash_map, work);
+    if (alarm == NULL) {
+        BT_WARN("%s, Unable to find expected alarm in hash map", __func__);
+        return;
+    }
+
+    // Just init the work timer only, don't start it.
+    osi_alarm_cancel(alarm);
+    return;
+}
+
+int k_delayed_work_submit(struct k_delayed_work *work, s32_t delay)
+{
+    assert(work != NULL && bm_alarm_hash_map != NULL);
+
+    osi_alarm_t *alarm = hash_map_get(bm_alarm_hash_map, (void *)work);
+    if (alarm == NULL) {
+        BT_WARN("%s, Unable to find expected alarm in hash map", __func__);
+        return -EINVAL;
+    }
+
+    // Cancel the alarm first, before start the alarm.
+    osi_alarm_cancel(alarm);
+    osi_alarm_set(alarm, delay);
+    return 0;
+}
+
+int k_delayed_work_submit_periodic(struct k_delayed_work *work, s32_t period)
+{
+    assert(work != NULL && bm_alarm_hash_map != NULL);
+
+    osi_alarm_t *alarm = hash_map_get(bm_alarm_hash_map, (void *)work);
+    if (alarm == NULL) {
+        BT_WARN("%s, Unable to find expected alarm in hash map", __func__);
+        return -EINVAL;
+    }
+
+    /* Cancel the alarm first before starting it. */
+    osi_alarm_cancel(alarm);
+    osi_alarm_set_periodic(alarm, period);
+
+    return 0;
+}
+
+int k_delayed_work_cancel(struct k_delayed_work *work)
+{
+    assert(work != NULL && bm_alarm_hash_map != NULL);
+
+    osi_alarm_t *alarm = hash_map_get(bm_alarm_hash_map, (void *)work);
+    if (alarm == NULL) {
+        BT_WARN("%s, Unable to find expected alarm in hash map", __func__);
+        return -EINVAL;
+    }
+
+    osi_alarm_cancel(alarm);
+    alarm->deadline_us = 0;
+    return 0;
+}
+
+int k_delayed_work_free(struct k_delayed_work *work)
+{
+    assert(work != NULL && bm_alarm_hash_map != NULL);
+
+    osi_alarm_t *alarm = hash_map_get(bm_alarm_hash_map, work);
+    if (alarm == NULL) {
+        BT_WARN("%s Unable to find expected alarm in hash map", __func__);
+        return -EINVAL;
+    }
+
+    osi_alarm_cancel(alarm);
+    hash_map_erase(bm_alarm_hash_map, work);
+    return 0;
+}
+
+s32_t k_delayed_work_remaining_get(struct k_delayed_work *work)
+{
+    assert(work != NULL && bm_alarm_hash_map != NULL);
+
+    osi_alarm_t *alarm = hash_map_get(bm_alarm_hash_map, (void *)work);
+    if (alarm == NULL) {
+        BT_WARN("%s Unable to find expected alarm in hash map", __func__);
+        return 0;
+    }
+
+    return osi_alarm_get_remaining_ms(alarm);
+}