Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

sdk/lib/key/keyWork.c

@@ -0,0 +1,169 @@
+#include "sys_config.h"
+#include "typesdef.h"  
+#include "osal/string.h"     
+#include "osal/msgqueue.h"
+#include "osal/work.h"
+#include "osal/string.h"
+#include "keyWork.h"
+#include "keyScan.h"
+#include "adkey.h"
+#include "power_checkkey.h"
+#include "csi_kernel.h"
+/*****************************************
+ * 按照不同按键,请注册对应按键进来,参看adkey.c
+ * 
+ * 
+ * 
+ * 
+ * adkey或者ioKey或者touchkey
+ * 添加多个的例子
+ * static key_channel_t  *button_channels[] = {&adkey_key,&powercheck_key,NULL};
+*****************************************/
+
+static key_channel_t  *button_channels[] = {&adkey_key,NULL};
+
+
+
+
+
+
+//添加其他不同类型的按键头文件
+static void *g_key_msgq = NULL;
+static struct list_head wait_register_list;
+static struct list_head register_list;
+static uint8_t key_callback_change = 0;
+
+
+
+
+void *add_keycallback(key_callback callback,void *priv)
+{
+    struct key_callback_list_s *add_list = os_zalloc(sizeof(struct key_callback_list_s));
+    if(!add_list)
+    {
+        return NULL;
+    }
+    add_list->priv = priv;
+    add_list->callback = callback;
+    add_list->flag = 0;
+    INIT_LIST_HEAD(&add_list->list);
+
+    uint32_t flags;
+    os_printf("add_list:%X\n",add_list);
+    flags = disable_irq();
+    list_add_tail(&add_list->list,  &wait_register_list);
+    key_callback_change = 1;
+    enable_irq(flags);
+    return add_list;
+    
+}
+
+uint8_t remove_keycallback(struct key_callback_list_s *remove_list)
+{
+    uint32_t flags;
+    flags = disable_irq();
+    remove_list->flag = 1;
+    key_callback_change = 1;
+    enable_irq(flags);
+    return 0;
+}
+
+
+
+//获取按键的workqueue或者任务
+static int32 key_read_loop(struct os_work *work)
+{
+    struct key_msg_s key_msg;
+	struct key_callback_list_s *ptr, *next;
+    void *msg = g_key_msgq;
+    int res;
+    uint32_t val = 0;
+    uint32_t extern_value = 0;
+    //判断一下标志位
+    //可能有链表要移除或者新增加callback
+    if(key_callback_change)
+    {
+        uint32_t flags;
+        
+        flags = disable_irq();
+        //先添加,后移除
+        list_for_each_entry_safe(ptr, next, &wait_register_list, list) 
+        {
+            list_del(&ptr->list);
+            list_add_tail(&ptr->list,  &register_list);
+        }
+
+        list_for_each_entry_safe(ptr, next, &register_list, list) 
+        {
+            // 对每个节点执行操作
+            if(ptr->flag)
+            {
+                os_printf("del key_callback:%X\n",ptr);
+                list_del(&ptr->list);  // 从链表中删除节点
+                os_free(ptr);  // 释放节点内存
+            }
+        }
+        key_callback_change = 0;
+        enable_irq(flags);
+    }
+    res = csi_kernel_msgq_get(msg,&key_msg,0);
+    if(!res)
+    {
+        val = key_msg.keycode;
+        extern_value = key_msg.extern_value;
+        //os_printf("key:%d\tstatus:%d\textern_value:%d\n",val>>8,val&0xff,extern_value);
+        list_for_each_entry_safe(ptr, next, &register_list, list) 
+        {
+            //_os_printf("register ptr:%X\n",ptr);
+            if(ptr->callback)
+            {
+                ptr->callback(ptr,val,extern_value);
+            }
+        }
+    }
+
+
+    //隔1ms读取一次按键,因为用的是workqueue,不能卡住这个任务,这里的1ms也不是准确的,因为按键,所以可以延时,如果延时太大,要检查
+    //workqueue哪个事件卡住导致的
+    os_run_work_delay(work, 1);
+    return 0;
+}
+
+
+
+
+
+//注册的的消息函数
+static int32 key_send_msg_func(uint32_t data,uint32_t extern_value)
+{
+    struct key_msg_s key_msg = {data,extern_value};
+    if(g_key_msgq)
+    {
+        return csi_kernel_msgq_put(g_key_msgq,&key_msg,0,0);;
+    }
+    return RET_ERR;
+}
+
+//初始化函数
+static struct os_work key_wk;
+
+
+
+
+int32 keyWork_init(int listen_max)
+{
+    //创建key的信号量
+    INIT_LIST_HEAD(&wait_register_list);
+    INIT_LIST_HEAD(&register_list);
+    void *key_msgq = (void*)csi_kernel_msgq_new(listen_max,sizeof(struct key_msg_s));
+    if(key_msgq)
+    {
+        g_key_msgq = key_msgq;
+        key_button_scan_init(button_channels,key_send_msg_func);
+        //使用workqueue去监听按键?如果没有workqueue就使用创建线程吧
+        OS_WORK_INIT(&key_wk, key_read_loop, 0);
+        os_run_work_delay(&key_wk, 1);
+        return RET_OK;
+    }
+    return RET_ERR;
+}