提交SMOD ATSC IMX APP版本 V122

2026-07-16 14:35:59 +08:00
commit 7601c270d5
485 changed files with 255032 additions and 0 deletions
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+/*************************************************************************
+系统延时相关函数
+
+***************************************************************************/
+
+/*
+#include "stm32f4xx.h"
+#include "type.h"
+#include "os_task.h"
+#include "FreeRTOS.h"
+*/
+#include "../inc/type.h"
+#include "../inc/delay.h"
+#include "../inc/isys_com.h"
+
+#include <unistd.h>
+extern volatile uint32 sys_ready;
+//extern SYS_TASK  sys_task;
+
+void delay_ms(uint32 nms)
+{
+
+	usleep(nms*1000);
+}
+
+void delay_us(uint32 nus)
+{
+    uint32 index = 0;
+    //系统钟168M,  循环一次4条指令, 42*4 = 168 约为1us
+    //系统钟396M,  循环一次4条指令, 99*4 = 396 约为1us
+    //for(index = (42 * nus); index != 0; index--)
+    for(index = (99 * nus); index != 0; index--)
+    {
+        ;
+    }
+
+    //usleep(nus);
+}
+
+void idelay_us(uint32 nus)
+{
+    usleep(nus);
+}
+
+/*
+void delay_us(uint32 nus)
+{
+    uint32 index = 0;
+    //系统钟168M,  循环一次4条指令, 42*4 = 168 约为1us
+    for(index = (42 * nus); index != 0; index--)
+    {
+        ;
+    }
+}*/
+
+uint32 check_delay_over(uint32 *ptick,uint32 cycle)
+{
+
+    unsigned long tick_bak = get_sys_tick();
+    //printf("cur_tick =%d\n",tick_bak);
+    if((*ptick)+cycle>tick_bak)//延时还没到。
+        return 0;
+    else
+    {
+        *ptick=get_sys_tick();
+        return 1;
+    }
+}
+void delay_ticks(uint32 ticks)
+{
+    if(!ticks)
+        return;
+
+    /*if(sys_ready)
+    {
+        vTaskDelay(ticks);
+    }
+    else
+    {
+        uint32 index = 0;
+
+        for(index = (41000 * OS_PER_TICK_MS*ticks); index != 0; index--)
+        {
+            ;
+        }
+    }*/
+
+	delay_ms(ticks*10);
+}
+
+void task_delay(uint32 nms)
+{
+    uint32 task_id;
+
+    /*if(!sys_ready)
+    {
+        delay_ms(nms);
+    }
+    get_current_task_id(&task_id);
+    if(task_id>=MAX_TASK)
+        return;
+
+    sys_task.pause[task_id] = (nms+999)/1000;  //转换为秒
+    vTaskDelay((nms +(OS_PER_TICK_MS-1)) / OS_PER_TICK_MS); //转化为tick值 处理结果,向上对齐 最小时间为10ms
+    sys_task.pause[task_id] = 0;
+	*/
+	usleep(nms*1000);
+}
+