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

sdk/osal/csky/mutex.c

@@ -0,0 +1,52 @@
+#include "typesdef.h"
+#include "errno.h"
+#include "list.h"
+#include "osal/string.h"
+#include "osal/mutex.h"
+
+#ifdef CSKY_OS
+#include "csi_kernel.h"
+
+#define MUTEX_MAGIC (0xa8b4c2d5)
+
+int32 os_mutex_init(os_mutex_t *mutex)
+{
+    if(mutex->magic == MUTEX_MAGIC){
+        os_printf(KERN_WARNING"mutex repeat initialization ????\r\n");
+    }
+
+    mutex->hdl = csi_kernel_mutex_new();
+    if(mutex->hdl) mutex->magic = MUTEX_MAGIC;
+    return (mutex->hdl ? RET_OK : RET_ERR);
+}
+
+int32 os_mutex_lock(os_mutex_t *mutex, int32 tmo)
+{
+    ASSERT(mutex && mutex->hdl);
+    return csi_kernel_mutex_lock(mutex->hdl, csi_kernel_ms2tick(tmo), (uint32_t)RETURN_ADDR());
+}
+
+int32 os_mutex_unlock(os_mutex_t *mutex)
+{
+    ASSERT(mutex && mutex->hdl);
+    return csi_kernel_mutex_unlock(mutex->hdl);
+}
+
+int32 os_mutex_del(os_mutex_t *mutex)
+{
+    int32 ret = 0;
+    ASSERT(mutex && mutex->hdl);
+    ret = csi_kernel_mutex_del(mutex->hdl);
+    mutex->hdl = NULL;
+    mutex->magic = 0;
+    return ret;
+}
+
+void *os_mutex_owner(os_mutex_t *mutex)
+{
+    ASSERT(mutex && mutex->hdl);
+    return csi_kernel_mutex_get_owner(mutex->hdl);
+}
+
+#endif
+