110 lines
3 KiB
C
110 lines
3 KiB
C
#include <stdint.h>
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#include <string.h>
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#include <stdbool.h>
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#include "bt_app_common.h"
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#include "freertos/xtensa_api.h"
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#include "freertos/FreeRTOSConfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/queue.h"
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#include "freertos/task.h"
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int bt_app_trace_level = BT_APP_TRACE_LEVEL_DEBUG;
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static bool bt_app_post_msg(bt_app_msg_t *msg);
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static void bt_app_context_switched(bt_app_msg_t *msg);
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static void bt_app_task_handler(void *arg);
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extern void app_main_entry(void);
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static xQueueHandle bt_app_task_queue = NULL;
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static xTaskHandle bt_app_task_handle = NULL;
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bool bt_app_transfer_context (bt_app_cb_t p_cback, uint16_t event, void *p_params, int param_len, bt_app_copy_cb_t p_copy_cback)
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{
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bt_app_msg_t msg;
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memset(&msg, 0, sizeof(bt_app_msg_t));
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BT_APP_TRACE_EVENT("btapp_transfer_context evt 0x%x, len %d\n", event, param_len);
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msg.sig = BT_APP_SIG_CONTEXT_SWITCH;
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msg.event = event;
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msg.cb = p_cback;
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if (param_len == 0) {
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return bt_app_post_msg(&msg);
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} else if (p_params && param_len > 0) {
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if ((msg.param = malloc(param_len)) != NULL) {
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memcpy(msg.param, p_params, param_len);
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/* check if caller has provided a copy callback to do the deep copy */
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if (p_copy_cback) {
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p_copy_cback(&msg, msg.param, p_params);
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}
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return bt_app_post_msg(&msg);
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}
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}
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return false;
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}
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static bool bt_app_post_msg(bt_app_msg_t *msg)
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{
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if (msg == NULL) {
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return false;
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}
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if (xQueueSend(bt_app_task_queue, msg, 10 / portTICK_RATE_MS) != pdTRUE) {
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BT_APP_TRACE_ERROR("bt_app msg post failed\n");
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return false;
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}
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return true;
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}
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static void bt_app_context_switched(bt_app_msg_t *msg)
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{
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BT_APP_TRACE_DEBUG("bt app context switched\n");
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if (msg->cb) {
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msg->cb(msg->event, msg->param);
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}
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}
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static void bt_app_task_handler(void *arg)
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{
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app_main_entry();
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bt_app_msg_t msg;
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for (;;) {
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if (pdTRUE == xQueueReceive(bt_app_task_queue, &msg, (portTickType)portMAX_DELAY)) {
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BT_APP_TRACE_EVENT("btapp handle evt, sig 0x%x, 0x%x\n", msg.sig, msg.event);
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switch (msg.sig) {
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case BT_APP_SIG_CONTEXT_SWITCH:
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bt_app_context_switched(&msg);
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break;
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default:
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BT_APP_TRACE_WARNING("unhandled BT_APP event (%d)\n", msg.sig);
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break;
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} // switch (msg.sig)
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if (msg.param) {
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free(msg.param);
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}
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}
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}
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}
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void bt_app_task_start_up(void)
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{
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bt_app_task_queue = xQueueCreate(10, sizeof(bt_app_msg_t));
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xTaskCreate(bt_app_task_handler, "BtAppT", 2048, NULL, configMAX_PRIORITIES - 3, bt_app_task_handle);
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return;
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}
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void bt_app_task_shut_down(void)
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{
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if (bt_app_task_handle) {
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vTaskDelete(bt_app_task_handle);
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bt_app_task_handle = NULL;
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}
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if (bt_app_task_queue) {
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vQueueDelete(bt_app_task_queue);
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bt_app_task_queue = NULL;
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}
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}
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