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修改自动曝光

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lijie
2025-03-06 17:37:06 +08:00
parent fc5e1ad826
commit 145dde360e
4 changed files with 30 additions and 17 deletions
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21
APP/communication.c
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@ -21,13 +21,14 @@ void Send_Shutter_Time(uint32_t shutter_time) {
HAL_UART_Transmit(&huart2,t_buff,4,100); HAL_UART_Transmit(&huart2,t_buff,4,100);
} }
//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,uint32_t Shutter_Now) { uint32_t Opt_Snenser(int persent, uint16_t *data,uint32_t Size) {
int maxvalue=maxValue*1.0*persent / 100; int maxvalue=maxValue*1.0*persent / 100;
int maxvaluenow = 0; int maxvaluenow = 0;
uint32_t shutter_time;
uint32_t max_shutter_time = 100;
uint32_t min_shutter_time = 10; 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++) { for (int i = 0; i < Size; i++) {
if (data[i] > maxvaluenow) { 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); Send_Shutter_Time(shutter_time);
if (shutter_time <= min_shutter_time ) return shutter_time;
HAL_Delay(1000);
return shutter_time;
} }
else return 1;
return 0; return 0;
} }

2
APP/communication.h
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@ -7,5 +7,5 @@
#include "mymain.h" #include "mymain.h"
void Send_Shutter_Time(uint32_t shutter_time); 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 #endif //COMMUNICATION_H

8
APP/mymain.c
View File

@ -84,12 +84,12 @@ void mymain()
// uint32_t a=0; // uint32_t a=0;
while (1) { while (1) {
while (mode == 0) { while (mode == 0) {
shutter_time = 0x0000;
commander_run(); commander_run();
if (Receive_Data_Count != Last_Receive_Data_Count) { if (Receive_Data_Count != Last_Receive_Data_Count) {
uint32_t a = Opt_Snenser(90, Receive_Data_Buffer ,USART2_RX_BUFFER_SIZE);
uint32_t a = Opt_Snenser(90, Receive_Data_Buffer ,USART2_RX_BUFFER_SIZE,shutter_time ); if (a != 0) {
if (a != 0) shutter_time = a; shutter_time = a;
else {
mode = 1; mode = 1;
} }
Last_Receive_Data_Count = Receive_Data_Count; Last_Receive_Data_Count = Receive_Data_Count;

12
APP/mymain.h
View File

@ -28,3 +28,15 @@
void mymain(); void mymain();
void commander_run(void); void commander_run(void);
#endif //FOC_N_MYMAIN_H #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;
// }