优化串口

mkrtos_knl/CMakeLists.txt

@@ -6,9 +6,9 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} \
 -Wno-unused-function \
 -Wno-unused-variable \
 -Wno-builtin-declaration-mismatch \
--Ofast \
 ")
 
+# -Ofast \
 # message(编译参数：${CMAKE_C_FLAGS})
 
 # cortex-m 系列处理器采用相同的内核arch

mkrtos_knl/arch/cortex-m/at32f437/uart/at32f437_uart.c

@@ -35,11 +35,15 @@ void uart_tigger(irq_entry_t *irq)
     {
         /* read one byte from the receive data register */
         q_enqueue(&queue, usart_data_receive(PRINT_USARTx));
-
+        usart_interrupt_enable(PRINT_USARTx, USART_IDLE_INT, TRUE);
+    }
+    if (usart_interrupt_flag_get(PRINT_USARTx, USART_IDLEF_FLAG) != RESET)
+    {
         if (irq->irq->wait_thread && thread_get_status(irq->irq->wait_thread) == THREAD_SUSPEND)
         {
             thread_ready_remote(irq->irq->wait_thread, TRUE);
         }
+        usart_interrupt_enable(PRINT_USARTx, USART_IDLE_INT, FALSE);
     }
 }
 
@@ -72,6 +76,8 @@ void uart_init(void)
     usart_receiver_enable(PRINT_USARTx, TRUE);
 
     usart_interrupt_enable(PRINT_USARTx, USART_RDBF_INT, TRUE);
+    usart_interrupt_enable(PRINT_USARTx, USART_IDLE_INT, TRUE);
+    
     usart_enable(PRINT_USARTx, TRUE);
    
     uart_is_init=1;

mkrtos_knl/inc/knl/sleep.h

@@ -6,7 +6,7 @@ typedef struct thread_wait_entry
     slist_head_t node;
     thread_t *th;
     umword_t times;
-    umword_t times_debug;
+    // umword_t times_debug;
 } thread_wait_entry_t;
 void thread_check_timeout(void);
 thread_wait_entry_t *thread_sleep_del(thread_t *th);

mkrtos_knl/knl/sleep.c

@@ -25,7 +25,7 @@ static inline void thread_wait_entry_init(thread_wait_entry_t *entry,
     slist_init(&entry->node);
     entry->th = th;
     entry->times = times;
-    entry->times_debug = 0;
+    // entry->times_debug = 0;
 }
 static void thread_timeout_init(void)
 {
@@ -48,22 +48,27 @@ void thread_check_timeout(void)
         thread_wait_entry_t *next = slist_next_entry(
             pos, (slist_head_t *)wait_list,
             node);
-
-        pos->times_debug++;
+        // pos->times_debug++;
         if (pos->times != 0)
         {
             pos->times--;
+            // pos->times_debug = 0;
             if (pos->times == 0)
             {
                 assert(pos->th->status == THREAD_SUSPEND);
                 slist_del(&pos->node);
                 thread_ready(pos->th, TRUE);
             }
+        } else {
+            // if (pos->times_debug >= 3000) 
+            // {
+            //     printk("thread:0x%x block times %d.\n", pos->th, pos->times_debug);
+            // }
         } // !< 如果是0，则一直休眠
-        if (pos->times_debug%2000 == 0)
-        {
-         //   printk("thread 0x%x block %d sec.\n", pos->th, pos->times_debug /1000);
-        }
+        // if (pos->times_debug%2000 == 0)
+        // {
+        //  //   printk("thread 0x%x block %d sec.\n", pos->th, pos->times_debug /1000);
+        // }
         pos = next;
     }
 }