From 145dde360ee31fe7fd127f42cfd019f495780297 Mon Sep 17 00:00:00 2001
From: lijie <lijie@iris-rs.cn>
Date: Thu, 6 Mar 2025 17:37:06 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E8=87=AA=E5=8A=A8=E6=9B=9D?=
 =?UTF-8?q?=E5=85=89?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 APP/communication.c | 21 +++++++++++----------
 APP/communication.h |  2 +-
 APP/mymain.c        | 12 ++++++------
 APP/mymain.h        | 12 ++++++++++++
 4 files changed, 30 insertions(+), 17 deletions(-)

diff --git a/APP/communication.c b/APP/communication.c
index 5f30f63..512d4a9 100644
--- a/APP/communication.c
+++ b/APP/communication.c
@@ -21,13 +21,14 @@ void Send_Shutter_Time(uint32_t shutter_time) {
     HAL_UART_Transmit(&huart2,t_buff,4,100);
 }
 
-
-uint32_t  Opt_Snenser(int persent, uint16_t *data,uint32_t Size,uint32_t Shutter_Now) {
+//自动曝光 成功返回曝光时间 失败返回0
+uint32_t  Opt_Snenser(int persent, uint16_t *data,uint32_t Size) {
     int maxvalue=maxValue*1.0*persent / 100;
     int maxvaluenow = 0;
-    uint32_t shutter_time;
-    uint32_t max_shutter_time = 100;
+
     uint32_t min_shutter_time = 10;
+    static  uint32_t shutter_time;
+    shutter_time < min_shutter_time ? shutter_time = min_shutter_time : shutter_time;
 
     for (int i = 0; i < Size; i++) {
         if (data[i] > maxvaluenow) {
@@ -35,15 +36,15 @@ uint32_t  Opt_Snenser(int persent, uint16_t *data,uint32_t Size,uint32_t Shutter
         }
     }
 
-    if (Shutter_Now<=min_shutter_time || Shutter_Now>=max_shutter_time)  return 0;
+    if (maxvaluenow<maxvalue || maxvaluenow >= maxvalue*1.05 ) {
+        shutter_time = shutter_time *  maxvalue / maxvaluenow;
+
+        shutter_time < min_shutter_time ? shutter_time = min_shutter_time : shutter_time;
 
-    if (maxvaluenow<maxvalue*0.95 || maxvaluenow>maxvalue) {
-        shutter_time = Shutter_Now * maxvaluenow / maxvalue;
         Send_Shutter_Time(shutter_time);
-
-        HAL_Delay(1000);
-        return shutter_time;
+        if (shutter_time <= min_shutter_time ) return shutter_time;
     }
+    else return 1;
 
     return 0;
 }
diff --git a/APP/communication.h b/APP/communication.h
index a280ffc..91d795f 100644
--- a/APP/communication.h
+++ b/APP/communication.h
@@ -7,5 +7,5 @@
 #include "mymain.h"
 
 void Send_Shutter_Time(uint32_t shutter_time);
-uint32_t  Opt_Snenser(int persent, uint16_t *data,uint32_t Size,uint32_t Shutter_Now);
+uint32_t  Opt_Snenser(int persent, uint16_t *data,uint32_t Size);
 #endif //COMMUNICATION_H
diff --git a/APP/mymain.c b/APP/mymain.c
index 2093aa0..678131d 100644
--- a/APP/mymain.c
+++ b/APP/mymain.c
@@ -84,12 +84,12 @@ void mymain()
     // uint32_t a=0;
     while (1) {
         while (mode == 0) {
+            shutter_time = 0x0000;
             commander_run();
             if (Receive_Data_Count != Last_Receive_Data_Count) {
-
-                uint32_t a = Opt_Snenser(90, Receive_Data_Buffer ,USART2_RX_BUFFER_SIZE,shutter_time );
-                if (a != 0) shutter_time = a;
-                else {
+                uint32_t a = Opt_Snenser(90, Receive_Data_Buffer ,USART2_RX_BUFFER_SIZE);
+                if (a != 0) {
+                    shutter_time = a;
                     mode = 1;
                 }
                Last_Receive_Data_Count =  Receive_Data_Count;
@@ -141,11 +141,11 @@ void mymain()
                         break;
                         case 2:
                             sgi(Receive_Data_Buffer,sgi_result);
-                        Send_Data(0x61,(uint8_t *)sgi_result,515*2);
+                            Send_Data(0x61,(uint8_t *)sgi_result,515*2);
                         break;
                         case 3:
                             sgi(Average_Buffer,sgi_result);
-                        Send_Data(0x61,(uint8_t *)sgi_result,515*2);
+                            Send_Data(0x61,(uint8_t *)sgi_result,515*2);
                         break;
                         case 4:
                             Send_Data(0x61,(uint8_t *)Moving_Average_Buffer,515*2);
diff --git a/APP/mymain.h b/APP/mymain.h
index 6355c3b..ad3997b 100644
--- a/APP/mymain.h
+++ b/APP/mymain.h
@@ -28,3 +28,15 @@
 void mymain();
 void commander_run(void);
 #endif //FOC_N_MYMAIN_H
+
+
+// int _write (int fd, char *pBuffer, int size)
+// {
+//     for (int i = 0; i < size; i++)
+//     {
+//         USART1->TDR =  (unsigned  char) *(pBuffer+i);
+//         while((USART1->ISR & USART_ISR_TC) == 0)
+//         {}
+//     }
+//     return size;
+// }
\ No newline at end of file