fifo 支持水位监测和溢出次数统计

AppKit/fifo.c

@@ -9,18 +9,28 @@
 
 // 在尾部写入数据
 os_err_t fifo_put(fifo_t* self, uint8_t data){
-
     os_size_t write_idx = self->write_idx;
-
     os_size_t next_write_idx = fifo_next(self, self->write_idx);
 
     if(next_write_idx == self->read_idx){
+
+#if defined(OS_CFG_FIFO_DEBUG_ENABLE) && (OS_CFG_FIFO_DEBUG_ENABLE==1)
+        self->overflow_count++;
+#endif
+
         return OS_ERR_FULL;
     }
 
     self->buffer[write_idx] = data;
     self->write_idx = next_write_idx;
 
+#if defined(OS_CFG_FIFO_DEBUG_ENABLE) && (OS_CFG_FIFO_DEBUG_ENABLE==1)
+    os_size_t used = fifo_count(self);
+    if (used > self->high_water) {
+        self->high_water = used;
+    }
+#endif
+
     return OS_ERR_OK;
 }
 

AppKit/fifo.h

@@ -13,7 +13,12 @@
 #include <os_macros.h>
 #endif /*INCLUDED_OS_MACROS_H*/
 
+/* ------------------------------------------------------------------------------------------------------------------ */
+/*  */
 
+#ifndef OS_CFG_FIFO_DEBUG_ENABLE
+#define OS_CFG_FIFO_DEBUG_ENABLE 1
+#endif
 
 /* ==================================================================================================== */
 /* 类型 */
@@ -24,6 +29,11 @@ typedef struct fifo_t{
     os_size_t buffer_size;
     volatile os_size_t write_idx;
     volatile os_size_t read_idx;
+#if defined(OS_CFG_FIFO_DEBUG_ENABLE) && (OS_CFG_FIFO_DEBUG_ENABLE==1)
+    volatile os_size_t high_water;  /* 顶峰时期使用的字节数 */
+    volatile os_size_t overflow_count;    /* 请求遇到溢出的次数 */
+#endif
+
 }fifo_t;
 
 #define FIFO_INVALID_POS ((os_size_t)(-1u))

Kernel/SingleCore/os_config.h.in

@@ -22,7 +22,7 @@
 #cmakedefine OS_CFG_CPU_FPU_PRESENT @OS_CFG_CPU_FPU_PRESENT@
 #cmakedefine OS_CFG_CPU_MPU_PRESENT @OS_CFG_CPU_MPU_PRESENT@
 
-
+#cmakedefine OS_CFG_FIFO_DEBUG_ENABLE @OS_CFG_FIFO_DEBUG_ENABLE@
 
 /* ==================================================================================================== */
 /* DEFAULT */
@@ -71,5 +71,8 @@
 #define OS_CFG_CPU_MPU_PRESENT 0
 #endif /* OS_CFG_CPU_MPU_PRESENT */
 
+#ifndef OS_CFG_FIFO_DEBUG_ENABLE
+#define OS_CFG_FIFO_DEBUG_ENABLE 0
+#endif /* OS_CFG_FIFO_DEBUG_ENABLE */
 
 #endif /*INCLUDED_OS_CONFIG_H*/