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

sdk/app/video_app/gen420_hardware_msi.h

@@ -0,0 +1,43 @@
+#ifndef __GEN420_HARDWARE_MSI_H
+#define __GEN420_HARDWARE_MSI_H
+#include "basic_include.h"
+
+//设置队列的宏,H264固定,其他是自定义
+enum GEN420_QUEUE_ENUM
+{
+    GEN420_QUEUE_NONE,
+    GEN420_QUEUE_H264,
+    GEN420_QUEUE_JPEG,
+    GEN420_QUEUE_JPEG_RECODE,
+    GEN420_QUEUE_THUMB_JPEG,
+    GEN420_QUEUE_THUMB_JPEG_USB,
+    GEN420_QUEUE_THUMB_JPEG_OVER_DPI,
+};
+extern os_msgqueue_t *gen420_msgq;
+
+struct gen420_msg_s;
+typedef int32_t (*gen420_kick_fn)(struct gen420_msg_s *msg);
+typedef int32_t (*gen420_free_fn)(struct gen420_msg_s *msg);
+
+//一个回调函数,私有结构,以及一些固定参数
+struct gen420_msg_s
+{
+	struct list_head list;		  //gen420 queue hand	
+    gen420_kick_fn kick_fn;       //启动kick,然后等待完成,返回值代表需要kick
+    gen420_free_fn free_fn;       //内存释放?应该什么时候调用,不应该在中断调用才对
+    void *fn_data;                //函数的私有结构
+	uint8_t type;                 //0: jpg for Sub stream   1:h264 for Sub stream   2-255:user   
+    uint8_t *data;
+    uint16_t w;
+    uint16_t h;
+	uint32_t devid;
+	uint8_t sta;			      //0:idle    1:data ready
+	
+};
+
+struct msi *gen420_hardware_msi_init();
+int wake_up_gen420_queue(uint8_t devid,uint8_t *data_rom);
+int unregister_gen420_queue(uint32_t devid);
+int register_gen420_queue(uint8_t type,uint32_t w,uint32_t h,gen420_kick_fn kick_fn,gen420_free_fn free_fn,uint32 priv);
+int32_t h264_gen420_kick();
+#endif