基于TCP连接的OV2640图像实时传输的STM32程序
不多说话
Show you the code.
其中TCP的封包使用了大神造的轮子，直接拖过来用。
main.c
/*********************************************************************** 文件名称：main.C 功 能： 编写时间： 注 意： ***********************************************************************/ #include "main.h" OV2640_IDTypeDef ov2640type; void Init_OV2640(void); /*********************************************************************** 函数名称：void Init_Wifi(void) 功 能：wifi相关的初始化 输入参数： 输出参数： 编写时间： 编 写 人： 注 意： ***********************************************************************/ void Init_Wifi(void) { int ret; u32_t addr; ZQWL_System_Clock_Init(); //初始化时钟 OSStatInit(); //初始化UCOS状态，必须在初始化时钟之后调用 USART_Configuration(); //初始化串口 ret = SD_Init(); //初始化SDIO设备 if (ret != 0) //如果失败 { printf("SD_Init faild!\n"); // LED4_ON; while(1); //程序停止运行 } ret = Init_W8782(); //初始化WIFI芯片 if(ret != 0) //如果失败 { printf("init wifi faild!\n"); while(1); //程序停止运行 } printf("Init_W8782 ok!\n"); Power_Mode(POWER_SAVE_MODE); //进入省电模式，OFF_POWER_SAVE_MODE为退出省电模式 Init_Lwip(); //初始化lwip协议栈，并初始化了板子的IP //以下创建一个AP ret = Init_Udhcpd(); //初始化dhcp服务器，如果WIFI工作的STA模式下（与路由器连接）可以不用DHCP if(ret == -1) { printf("Init_Udhcpd faild!\n"); while(1); } printf("Init_Udhcpd ok!\n"); Enable_Dhcp_Server(); // 开启dhcp服务器,如果工作在sta模式,可以不开启dhcpserver ret = Create_AP("WPLINK-B814","510510510",KEY_WPA2,6,4);//创建AP，创建AP后就不要再调Wifi_Connect函数了 if(ret == -1) { printf("Create_AP faild!\n"); while(1); } printf("Create_AP ok!\n"); // //以下加入一个AP（路由器） //Wifi_Connect("TP-LINK_8E32A0","zhaohongjie123");//路由器名称和密码，该函数调用后，自动进入sta模式 //if(ret == -1) //{ // printf("Wifi_Connect faild!\n"); // while(1); //} // printf("Wifi_Connect ok!\n"); // } /*********************************************************************** 函数名称：void main_thread(void *pdata) 功 能：主线程 输入参数： 输出参数： 编写时间： 编 写 人： 注 意： ***********************************************************************/ void main_thread(void *pdata) { Init_Wifi(); //初始化Wifi LED_Configuration(); //初始化LED Init_OV2640(); //初始化OV2640 thread_create(Task_TCP_server, 0, TASK_TCP_SERVER_PRIO, 0, TASK_TCP_SERVER_STK_SIZE, "Task_TCP_server"); thread_create(Task_TCP_server2, 0, TASK_TCP_SERVER_PRIO-1, 0, TASK_TCP_SERVER_STK_SIZE, "Task_TCP_server2"); while (1)//在此可以指定一个CPU运行指示灯闪烁，监视系统运行状态 { GPIO_ToggleBits(LED4); OSTimeDlyHMSM(0, 0, 1, 0);//!!!!!!!!!! } } /*********************************************************************** 函数名称：int main(void) 功 能：程序入口 输入参数： 输出参数： 编写时间： 编 写 人： 注 意： ***********************************************************************/ int main(void) { OSInit(); _mem_init(); //初始化内存分配 thread_create(main_thread, 0, TASK_MAIN_PRIO, 0, TASK_MAIN_STACK_SIZE, "main_thread"); OSStart(); return 0; } /*********************************************************************** 函数名称：void Init_OV2640(void) 功 能：初始化OV2640 输入参数： 输出参数： 编写时间： 编 写 人： 注 意： ***********************************************************************/ void Init_OV2640(void) { I2C_Configuration(); memset(&ov2640type,0x0,sizeof(ov2640type)); OV2640_ReadID(&ov2640type); printf("ov2640 chip id: 0x%02x , x%02x , x%02x , x%02x .\n",ov2640type.Manufacturer_ID1,ov2640type.Manufacturer_ID2,ov2640type.PIDH,ov2640type.PIDL); OV2640_JPEGConfig(JPEG_320x240); //配置OV2640输出320*240像素的JPG图片 OV2640_BrightnessConfig(0x20); OV2640_AutoExposure(2); OSTimeDlyHMSM(0, 0, 0, 100); OV2640_CaptureGpioInit(); //数据采集引脚初始化 EXTI->IMR &= ~EXTI_Line8; //关闭场同步中断 EXTI->EMR &= ~EXTI_Line8; EXTI->IMR &= ~EXTI_Line11; //关闭像素同步中断 EXTI->EMR &= ~EXTI_Line11; OSTimeDlyHMSM(0, 0, 0, 500); //等待图像输出稳定!!!!!!!!! EXTI->IMR |= EXTI_Line8; //使能场同步中断，准备下次采集 EXTI->EMR |= EXTI_Line8; }
LED.c
/*********************************************************************** 文件名称：LED.C 功 能：led IO初始化 编写时间： 编 写 人： 注 意： ***********************************************************************/ #include "main.h" /*********************************************************************** 函数名称：LED_Configuration(void) 功 能：完成LED的配置 输入参数： 输出参数： 编写时间：2013.4.25 编 写 人： 注 意： ***********************************************************************/ void LED_Configuration(void) { GPIO_InitTypeDef GPIO_InitStructure; /* Enable the GPIO_LED Clock */ RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOE, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_Init(GPIOB, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_Init(GPIOE, &GPIO_InitStructure); /*****熄灭四个led灯******/ LED1_OFF; LED2_OFF; LED3_OFF; LED4_OFF; } /*********************************************************************** 函数名称：LED_Blink(void) 功 能：完成LED闪烁 输入参数： 输出参数： 编写时间： 编 写 人： 注 意： ***********************************************************************/ void LED_Blink(void) { /*****熄灭四个led灯******/ LED1_OFF; LED2_OFF; LED3_OFF; LED4_OFF; LED_Delay(0x4fffff); /*****点亮四个led灯******/ LED1_ON; LED2_ON; LED3_ON; LED4_ON; LED_Delay(0x4fffff); } /*********************************************************************** 函数名称：One_LED_ON(unsigned char led_num) 功 能：实现点亮一个LED灯 输入参数： 输出参数： 编写时间： 编 写 人： 注 意： ***********************************************************************/ void One_LED_ON(unsigned char led_num) { /*****熄灭四个led灯******/ LED1_OFF; LED2_OFF; LED3_OFF; LED4_OFF; switch(led_num) { case 1: { LED1_ON; break; } case 2: { LED2_ON; break; } case 3: { LED3_ON; break; } case 4: { LED4_ON; break; } default: { break; } } } static LED_Delay(uint32_t nCount) { while(nCount > 0) { nCount --; } }
LED_Ctrl.c
/*********************************************************************** 文件名称：LED_Ctrl.C 功 能： 编写时间： 编 写 人： 注 意： ***********************************************************************/ #include "main.h" /*********************************************************************** 函数名称：void LED_Ctrl(unsigned char *data) 功 能：根据data的数据命令控制led的亮灭 输入参数： 输出参数： 编写时间： 编 写 人： 注 意： 命令： led1_on LED1灯亮 led2_on LED2灯亮 led3_on LED3灯亮 led4_on LED4灯亮 led1_off LED1灯灭 led2_off LED2灯灭 led3_off LED3灯灭 led4_off LED4灯灭 ***********************************************************************/ void LED_Ctrl(unsigned char *data) { if(strncmp(&data[0],"led", 3) == 0)//是LED的控制数据 { switch(data[3]) //第3个字节是控制哪个LED的 { case '1': { if(strncmp(&data[4],"_on", 3) == 0)//如果是led1_on { LED1_ON; } else if(strncmp(&data[4],"_off", 4) == 0) { LED1_OFF; } break; } case '2': { if(strncmp(&data[4],"_on", 3) == 0)//如果是led1_on { LED2_ON; } else if(strncmp(&data[4],"_off", 4) == 0) { LED2_OFF; } break; } case '3': { if(strncmp(&data[4],"_on", 3) == 0)//如果是led1_on { LED3_ON; } else if(strncmp(&data[4],"_off", 4) == 0) { LED3_OFF; } break; } case '4': { if(strncmp(&data[4],"_on", 3) == 0)//如果是led1_on { LED4_ON; } else if(strncmp(&data[4],"_off", 4) == 0) { LED4_OFF; } break; } default: { break; } } } }
sys_misc.c
// #define DEBUG #include "main.h" void delay_1us() { int i = 25; while (i--) ; } void delay_us(uint32_t us) { while (us--) delay_1us(); } void assert_failed(uint8_t *file, uint32_t line) { p_err("assert_failed in:%s,line:%d \n", file ? file : "n", line); while (1) ; } void HardFault_Handler() { #if USE_MEM_DEBUG static int once = 0; if (!once) { once = 1; mem_slide_check(0); } #endif p_err("%s\n", __FUNCTION__); // printf("HardFault_Handler!"); while (1) ; } #if OS_APP_HOOKS_EN > 0u void App_TaskCreateHook(OS_TCB *ptcb) { ptcb = ptcb; } void App_TaskDelHook(OS_TCB *ptcb) { ptcb = ptcb; } void App_TaskReturnHook(OS_TCB *ptcb) { ptcb = ptcb; } void App_TCBInitHook(OS_TCB *ptcb) { ptcb = ptcb; } void App_TaskSwHook(void) { } void App_TimeTickHook(void){} //uC/OS-II Stat线程中调用此函数，每100MS一次 void App_TaskStatHook() { #if USE_MEM_DEBUG mem_slide_check(0); #endif //button_stat_callback(); } #endif
SCI.c
#include "main.H" /*********************************************************************** 文件名称：SCI.C 功 能：完成对usart1和usart2的操作 编写时间：2012.11.22 编 写 人： 注 意：本例程是通过判断两个特定的字符来确定一帧数据是否结束的。 USART1 时钟 : RCC_APB2PeriphClockCmd USART1~6 时钟 :RCC_APB1PeriphClockCmd ***********************************************************************/ #ifdef __GNUC__ /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf set to 'Yes') calls __io_putchar() */ #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) #endif /* __GNUC__ */ PUTCHAR_PROTOTYPE { /* Place your implementation of fputc here */ /* e.g. write a character to the USART */ USART_SendData(USART1, (uint8_t) ch); /* Loop until the end of transmission */ while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET) {} return ch; } volatile unsigned char RS232_REC_Flag = 0; volatile unsigned char RS485_REC_Flag = 0; volatile unsigned char RS232_buff[RS232_REC_BUFF_SIZE];//用于接收数据 volatile unsigned char RS485_buff[RS485_REC_BUFF_SIZE];//用于接收数据 volatile unsigned int RS232_rec_counter = 0;//用于RS232接收计数 volatile unsigned int RS485_rec_counter = 0;//用于RS485接收计数 void USART_Configuration(void) { GPIO_InitTypeDef GPIO_InitStructure;//定义GPIO_InitTypeDef类型的结构体成员GPIO_InitStructure USART_InitTypeDef USART_InitStructure; USART_ClockInitTypeDef USART_ClockInitStruct; //使能需要用到的GPIO管脚时钟 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOD, ENABLE); //使能USART1 时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); ///复位串口1 USART_DeInit(USART1); USART_StructInit(&USART_InitStructure);//载入默认USART参数 USART_ClockStructInit(&USART_ClockInitStruct);//载入默认USART参数 //配置串口1的管脚 PA8 USART1_EN PA9 USART1_TX PA10 USART1_RX GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; //复用 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽输出 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_USART1); //管脚PA9复用为USART1 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_USART1); USART_ClockInit(USART1,&USART_ClockInitStruct); USART_InitStructure.USART_BaudRate = 115200; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; USART_Init(USART1,&USART_InitStructure); USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); ///////接收中断使能 USART_ClearITPendingBit(USART1, USART_IT_TC);//清除中断TC位 USART_Cmd(USART1,ENABLE);//最后使能串? } /*********************************************************************** 函数名称：void USART1_IRQHandler(void) 功 能：完成SCI的数据的接收，并做标识 输入参数： 输出参数： 编写时间：2012.11.22 编 写 人： 注 意 RS232用的是USART1. ***********************************************************************/ void USART1_IRQHandler(void) { if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET) { RS232_buff[RS232_rec_counter] = USART1->DR;// RS232_rec_counter ++; /********以RS232_END_FLAG1和RS232_END_FLAG2定义的字符作为一帧数据的结束标识************/ if(RS232_rec_counter >= 2) //只有接收到2个数据以上才做判断 { if(RS232_buff[RS232_rec_counter - 2] == RS232_END_FLAG1 && RS232_buff[RS232_rec_counter - 1] == RS232_END_FLAG2) //帧起始标志 { RS232_REC_Flag = 1; } } if(RS232_rec_counter > RS232_REC_BUFF_SIZE)//超过接收缓冲区大小 { RS232_rec_counter = 0; } USART_ClearITPendingBit(USART1, USART_IT_RXNE); } if (USART_GetITStatus(USART1, USART_IT_TXE) != RESET) { USART_ClearITPendingBit(USART1, USART_IT_TXE); /* Clear the USART transmit interrupt */ } } /*********************************************************************** 函数名称：RS232_Send_Data(unsigned char *send_buff,unsigned int length) 功 能：RS232发送字符串 输入参数：send_buff:待发送的数据指针；length：发送的数据长度（字符个数） 输出参数： 编写时间： 编 写 人： 注 意： ***********************************************************************/ void RS232_Send_Data(unsigned char *send_buff,unsigned int length) { unsigned int i = 0; for(i = 0;i < length;i ++) { USART1->DR = send_buff[i]; while((USART1->SR&0X40)==0); } } /*********************************************************************** 函数名称：void RS485_Delay(uint32_t nCount) 功 能：RS485收发延时函数 输入参数： 输出参数： 编写时间：2012.11.22 编 写 人： 注 意： ***********************************************************************/ // static void RS485_Delay(uint32_t nCount) // { // while(nCount > 0) // { // nCount --; // } // }
TCP_Serve.c
/*********************************************************************** 文件名称：TCP_Server.C 功 能： 编写时间： 编 写 人： 注 意： ***********************************************************************/ #include "main.h" /***************开发板ip定义*************************/ char *BOARD_IP = "192.168.1.253"; //开发板ip char *BOARD_NETMASK = "255.255.255.0"; //开发板子网掩码 char *BOARD_WG = "192.168.1.1"; //开发板子网关 #define TCP_LOCAL_PORT 4000 //即TCP服务器端口号 #define FRAME_SIZE 500 //一包网络数据大小 int tcp_server_sock_fd = -1; //TCP服务器socket句柄 int a_new_client_sock_fd = -1; //TCP客户端socket句柄 char tcp_recv_flag = 0; OS_EVENT *sem_tcp_rec_flag = 0; //tcp接收完一桢数据信号量定义 char tcp_recv_buff[2048]; //tcp数据接收缓冲器 int tcp_recv_len = 0; //tcp数据接收长度 int client_sock[MAX_TEMPER_CLIENT_NUM]; unsigned char flag_send_over; unsigned char tcp_frame_send_ok = 0,tcp_frame_next = 0; u32 JpegDataCnt; unsigned char JpegBuffer[FRAME_BUFF_NUM]; unsigned char VsyncActive; unsigned char tcp_sending_flag; extern unsigned char tcp_frame_send_ok; extern unsigned char tcp_frame_next; unsigned char frame_start[22] = { 0xAA,0xAA,0xAA,0xAA,0XAA, 0xAA,0xAA,0xAA,0xAA,0XAA, 0xAA,0xAA,0xAA,0xAA,0XAA, 0xAA,0xAA,0xAA,0xAA,0XAA, }; unsigned char frame_end[20] = { 0x55,0x55,0x55,0x55,0x55, 0x55,0x55,0x55,0x55,0x55, 0x55,0x55,0x55,0x55,0x55, 0x55,0x55,0x55,0x55,0x55, }; void Send_OV2640_Data(unsigned char *buff,unsigned int length); /*********************************************************************** 函数名称：void ZQWL_W8782_IRQ_Handler(int socket, uint8_t *buff, int size) 功 能：网络数据处理函数，当有网络数据时，该函数被自动调用，网络的所有数据均在这里处理 输入参数：s为socket号，buff数据指针，size是数据长度 remote_addr 远程地址信息 输出参数： 编写时间： 编 写 人： 注 意： ***********************************************************************/ void ZQWL_W8782_IRQ_Handler(int s, uint8_t *buff, int size,struct sockaddr remote_addr) { struct lwip_sock *sock; sock = get_socket(s); if(sock->conn->pcb.tcp->local_port == TCP_LOCAL_PORT) //与开发板TCP端口号一致 { if (sock->conn->type == NETCONN_TCP) //是TCP协议 { if(buff[0] = 0xAA && buff[1] == 0XAA) //是图像数据帧头，只取2字节判断 { OSSemPost(sem_tcp_rec_flag); //抛出一个信号量表示tcp已经接收完成一帧数据 } else if(buff[0] = 0x55 && buff[1] == 0X55) //图像结尾帧 { JpegDataCnt = 0; //JPEG计数器清零 EXTI->IMR |= EXTI_Line8; //使能场同步中断，准备下次采集 EXTI->EMR |= EXTI_Line8; OSSemPost(sem_tcp_rec_flag); //抛出一个信号量表示tcp已经接收完成一帧数据 } } } } /*********************************************************************** 函数名称：void Task_TCP_server(void *pdata) 功 能：TCP服务器的任务，在此可以实现具体功能，本例例程是将收到的数据原样返回。 输入参数： 输出参数： 编写时间： 编 写 人： 注 意： ***********************************************************************/ void Task_TCP_server(void *pdata) { unsigned char os_err; int i = 0; for(i = 0;i < MAX_TEMPER_CLIENT_NUM;i ++) //最多连接的客户端数MAX_TEMPER_CLIENT_NUM { client_sock[i] = -1; //初始化 } tcp_server_sock_fd = Create_TCP_Server(TCP_LOCAL_PORT); //初始化一个TCP服务socket 端口为TCP_LOCAL_PORT并开始监听 sem_tcp_rec_flag = OSSemCreate(0); //创建一个信号量, while(1) { if(VsyncActive == 2) //如果一帧图片采集完成 { VsyncActive = 0; Send_OV2640_Data(JpegBuffer,JpegDataCnt); //发送图片 } OSTimeDlyHMSM(0, 0, 1, 0); //任务挂起20ms，以便其他任务运行!!!!!!! } } /*********************************************************************** 函数名称：Send_OV2640_Data(unsigned char *buff,unsigned int length) 功 能：完成图像的发送 输入参数：buff图像指针，length图像大小 输出参数： 编写时间：2015 编 写 人： 注 意： ***********************************************************************/ void Send_OV2640_Data(unsigned char *buff,unsigned int length) { unsigned int frame_counter = 0,frame_left; unsigned int i = 0,j; struct lwip_sock *sock; unsigned char os_err; frame_counter = length / FRAME_SIZE; //一张图片分成的数据包个数 frame_left = length % FRAME_SIZE; //不够1包数据时的余数 frame_start[20] = length; //图像长度低字节 frame_start[21] = length >> 8; //图像长度高字节 for(i = 0;i < MAX_TEMPER_CLIENT_NUM;i ++)//最多连接的客户端数MAX_TEMPER_CLIENT_NUM { sock = get_socket(client_sock[i]); if(sock->conn->pcb.tcp->state == ESTABLISHED)//有连接 { TCP_Send_Data(client_sock[i],frame_start,22,MSG_DONTWAIT);//向该客户端发送图像协议帧头 //开始数据包 OSSemPend(sem_tcp_rec_flag,0,&os_err); //持续等待sem_tcp_rec_flag信号量有效 if(frame_counter > 0) { for(j = 0;j < frame_counter;j ++) { TCP_Send_Data(client_sock[i],&buff[FRAME_SIZE * j],FRAME_SIZE,MSG_DONTWAIT);//向该客户端发送图像 OSSemPend(sem_tcp_rec_flag,0,&os_err); //持续等待sem_tcp_rec_flag信号量有效 } } if(frame_left > 0) { TCP_Send_Data(client_sock[i],&buff[FRAME_SIZE * j],frame_left,MSG_DONTWAIT);//向该客户端发送图像 OSSemPend(sem_tcp_rec_flag,0,&os_err); //持续等待sem_tcp_rec_flag信号量有效 } TCP_Send_Data(client_sock[i],frame_end,20,MSG_DONTWAIT); //结束数据包 OSSemPend(sem_tcp_rec_flag,0,&os_err); //持续等待sem_tcp_rec_flag信号量有效 } else //客户端断开了连接 { client_sock[i] = -1; //将该索引号置为无效 } } } /****************************!!!!!!!!!!!!!!***/ void Task_TCP_server2(void *pdata) { unsigned char os_err; int i = 0; for(i = 0;i < MAX_TEMPER_CLIENT_NUM;i ++) //最多连接的客户端数MAX_TEMPER_CLIENT_NUM { client_sock[i] = -1; //初始化 } tcp_server_sock_fd = Create_TCP_Server(TCP_LOCAL_PORT); //初始化一个TCP服务socket 端口为TCP_LOCAL_PORT并开始监听 sem_tcp_rec_flag = OSSemCreate(0); //创建一个信号量, while(1) { OSSemPend(sem_tcp_rec_flag,0,&os_err); LED_Ctrl(tcp_recv_buff); OSTimeDlyHMSM(0, 0, 1, 0); //任务挂起20ms，以便其他任务运行!!!!!!! } }
dcmi_ov2640.c
/** ****************************************************************************** * @file DCMI/Camera/dcmi_ov2640.c * @author MCD Application Team * @version V1.0.0 * @date 30-September-2011 * @brief This file includes the driver for OV2640 Camera module mounted on * STM324xG-EVAL board RevB. ****************************************************************************** * @attention * * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "main.h" FunctionalState I2C_WriteByte(unsigned char SendByte, short int WriteAddress, unsigned char DeviceAddress); FunctionalState I2C_ReadByte(unsigned char* pBuffer, short int length, short int ReadAddress, unsigned char DeviceAddress); /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ #define TIMEOUT 2 #define CLR_BAR_EN 0 /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* QQVGA 160x120 */ const char OV2640_QQVGA[][2]= { 0xff, 0x00, 0x2c, 0xff, 0x2e, 0xdf, 0xff, 0x01, 0x3c, 0x32, 0x11, 0x00, 0x09, 0x02, 0x03, 0xcf, 0x04, 0x08, 0x13, 0xe5, 0x14, 0x48, 0x2c, 0x0c, 0x33, 0x78, 0x3a, 0x33, 0x3b, 0xfb, 0x3e, 0x00, 0x43, 0x11, 0x16, 0x10, 0x39, 0x02, 0x35, 0x88, 0x22, 0x0a, 0x37, 0x40, 0x23, 0x00, 0x34, 0xa0, 0x36, 0x1a, 0x06, 0x02, 0x07, 0xc0, 0x0d, 0xb7, 0x0e, 0x01, 0x4c, 0x00, 0x4a, 0x81, 0x21, 0x99, 0x24, 0x3a, 0x25, 0x32, 0x26, 0x82, 0x5c, 0x00, 0x63, 0x00, 0x5d, 0x55, 0x5e, 0x7d, 0x5f, 0x7d, 0x60, 0x55, 0x61, 0x70, 0x62, 0x80, 0x7c, 0x05, 0x20, 0x80, 0x28, 0x30, 0x6c, 0x00, 0x6d, 0x80, 0x6e, 0x00, 0x70, 0x02, 0x71, 0x96, 0x73, 0xe1, 0x3d, 0x34, 0x5a, 0x57, 0x4f, 0xbb, 0x50, 0x9c, 0x0f, 0x43, 0xff, 0x00, 0xe5, 0x7f, 0xf9, 0xc0, 0x41, 0x24, 0xe0, 0x14, 0x76, 0xff, 0x33, 0xa0, 0x42, 0x20, 0x43, 0x18, 0x4c, 0x00, 0x87, 0xd0, 0x88, 0x3f, 0xd7, 0x03, 0xd9, 0x10, 0xd3, 0x82, 0xc8, 0x08, 0xc9, 0x80, 0x7c, 0x00, 0x7d, 0x02, 0x7c, 0x03, 0x7d, 0x48, 0x7d, 0x48, 0x7c, 0x08, 0x7d, 0x20, 0x7d, 0x10, 0x7d, 0x0e, 0x90, 0x00, 0x91, 0x0e, 0x91, 0x1a, 0x91, 0x31, 0x91, 0x5a, 0x91, 0x69, 0x91, 0x75, 0x91, 0x7e, 0x91, 0x88, 0x91, 0x8f, 0x91, 0x96, 0x91, 0xa3, 0x91, 0xaf, 0x91, 0xc4, 0x91, 0xd7, 0x91, 0xe8, 0x91, 0x20, 0x92, 0x00, 0x93, 0x06, 0x93, 0xe3, 0x93, 0x05, 0x93, 0x05, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x96, 0x00, 0x97, 0x08, 0x97, 0x19, 0x97, 0x02, 0x97, 0x0c, 0x97, 0x24, 0x97, 0x30, 0x97, 0x28, 0x97, 0x26, 0x97, 0x02, 0x97, 0x98, 0x97, 0x80, 0x97, 0x00, 0x97, 0x00, 0xc3, 0xed, 0xa4, 0x00, 0xa8, 0x00, 0xbf, 0x00, 0xba, 0xf0, 0xbc, 0x64, 0xbb, 0x02, 0xb6, 0x3d, 0xb8, 0x57, 0xb7, 0x38, 0xb9, 0x4e, 0xb3, 0xe8, 0xb4, 0xe1, 0xb5, 0x66, 0xb0, 0x67, 0xb1, 0x5e, 0xb2, 0x04, 0xc7, 0x00, 0xc6, 0x51, 0xc5, 0x11, 0xc4, 0x9c, 0xcf, 0x02, 0xa6, 0x00, 0xa7, 0xe0, 0xa7, 0x10, 0xa7, 0x1e, 0xa7, 0x21, 0xa7, 0x00, 0xa7, 0x28, 0xa7, 0xd0, 0xa7, 0x10, 0xa7, 0x16, 0xa7, 0x21, 0xa7, 0x00, 0xa7, 0x28, 0xa7, 0xd0, 0xa7, 0x10, 0xa7, 0x17, 0xa7, 0x21, 0xa7, 0x00, 0xa7, 0x28, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x1d, 0x50, 0x00, 0x51, 0x90, 0x52, 0x18, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0x90, 0x5b, 0x18, 0x5c, 0x05, 0xc3, 0xef, 0x7f, 0x00, 0xda, 0x00, 0xe5, 0x1f, 0xe1, 0x67, 0xe0, 0x00, 0xdd, 0xff, 0x05, 0x00, 0xff, 0x01, 0xff, 0x01, 0x12, 0x00, 0x17, 0x11, 0x18, 0x75, 0x19, 0x01, 0x1a, 0x97, 0x32, 0x36, 0x4f, 0xbb, 0x6d, 0x80, 0x3d, 0x34, 0x39, 0x02, 0x35, 0x88, 0x22, 0x0a, 0x37, 0x40, 0x23, 0x00, 0x34, 0xa0, 0x36, 0x1a, 0x06, 0x02, 0x07, 0xc0, 0x0d, 0xb7, 0x0e, 0x01, 0x4c, 0x00, 0xff, 0x00, 0xe0, 0x04, 0x8c, 0x00, 0x87, 0xd0, 0xe0, 0x00, 0xff, 0x00, 0xe0, 0x14, 0xe1, 0x77, 0xe5, 0x1f, 0xd7, 0x03, 0xda, 0x10, 0xe0, 0x00, 0xff, 0x00, 0xe0, 0x04, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x1d, 0x50, 0x00, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0x90, 0x5b, 0x2c, 0x5c, 0x05, 0xe0, 0x00, 0xd3, 0x04, 0xff, 0x00, 0xc3, 0xef, 0xa6, 0x00, 0xa7, 0xdd, 0xa7, 0x78, 0xa7, 0x7e, 0xa7, 0x24, 0xa7, 0x00, 0xa7, 0x25, 0xa6, 0x06, 0xa7, 0x20, 0xa7, 0x58, 0xa7, 0x73, 0xa7, 0x34, 0xa7, 0x00, 0xa7, 0x25, 0xa6, 0x0c, 0xa7, 0x28, 0xa7, 0x58, 0xa7, 0x6d, 0xa7, 0x34, 0xa7, 0x00, 0xa7, 0x25, 0xff, 0x00, 0xe0, 0x04, 0xe1, 0x67, 0xe5, 0x1f, 0xd7, 0x01, 0xda, 0x08, 0xda, 0x09, 0xe0, 0x00, 0x98, 0x00, 0x99, 0x00, 0xff, 0x01, 0x04, 0x28, 0xff, 0x01, #if CLR_BAR_EN > 0 0x12, 0x42, //0x42彩条测试使能 #else 0x12, 0x40, #endif 0x17, 0x11, 0x18, 0x43, 0x19, 0x00, 0x1a, 0x4b, 0x32, 0x09, 0x4f, 0xca, 0x50, 0xa8, 0x5a, 0x23, 0x6d, 0x00, 0x39, 0x12, 0x35, 0xda, 0x22, 0x1a, 0x37, 0xc3, 0x23, 0x00, 0x34, 0xc0, 0x36, 0x1a, 0x06, 0x88, 0x07, 0xc0, 0x0d, 0x87, 0x0e, 0x41, 0x4c, 0x00, 0xff, 0x00, 0xe0, 0x04, 0xc0, 0x64, 0xc1, 0x4b, 0x86, 0x35, 0x50, 0x92, 0x51, 0xc8, 0x52, 0x96, 0x53, 0x00, 0x54, 0x00, 0x55, 0x00, 0x57, 0x00, 0x5a, 0x28, 0x5b, 0x1e, 0x5c, 0x00, 0xe0, 0x00, 0xff, 0x01, 0x11, 0x00,//时钟分频 0x3d, 0x38, 0x2d, 0x00, 0x50, 0x65, 0xff, 0x00, 0xd3, 0x04, 0x7c, 0x00, 0x7d, 0x04, 0x7c, 0x09, 0x7d, 0x28, 0x7d, 0x00, }; /* QVGA 320x240 */ const unsigned char OV2640_QVGA[][2]= { 0xff, 0x00, 0x2c, 0xff, 0x2e, 0xdf, 0xff, 0x01, 0x3c, 0x32, 0x11, 0x00, 0x09, 0x02, 0x04, 0x28, 0x13, 0xe5, 0x14, 0x48, 0x2c, 0x0c, 0x33, 0x78, 0x3a, 0x33, 0x3b, 0xfB, 0x3e, 0x00, 0x43, 0x11, 0x16, 0x10, 0x4a, 0x81, 0x21, 0x99, 0x24, 0x40, 0x25, 0x38, 0x26, 0x82, 0x5c, 0x00, 0x63, 0x00, 0x46, 0x3f, 0x0c, 0x3c, 0x61, 0x70, 0x62, 0x80, 0x7c, 0x05, 0x20, 0x80, 0x28, 0x30, 0x6c, 0x00, 0x6d, 0x80, 0x6e, 0x00, 0x70, 0x02, 0x71, 0x94, 0x73, 0xc1, 0x3d, 0x34, 0x5a, 0x57, #if CLR_BAR_EN > 0 0x12, 0x02, //bit1彩条测试使能 #else 0x12, 0x00, #endif 0x11, 0x00, 0x17, 0x11, 0x18, 0x75, 0x19, 0x01, 0x1a, 0x97, 0x32, 0x36, 0x03, 0x0f, 0x37, 0x40, 0x4f, 0xbb, 0x50, 0x9c, 0x5a, 0x57, 0x6d, 0x80, 0x6d, 0x38, 0x39, 0x02, 0x35, 0x88, 0x22, 0x0a, 0x37, 0x40, 0x23, 0x00, 0x34, 0xa0, 0x36, 0x1a, 0x06, 0x02, 0x07, 0xc0, 0x0d, 0xb7, 0x0e, 0x01, 0x4c, 0x00, 0xff, 0x00, 0xe5, 0x7f, 0xf9, 0xc0, 0x41, 0x24, 0xe0, 0x14, 0x76, 0xff, 0x33, 0xa0, 0x42, 0x20, 0x43, 0x18, 0x4c, 0x00, 0x87, 0xd0, 0x88, 0x3f, 0xd7, 0x03, 0xd9, 0x10, 0xd3, 0x82, 0xc8, 0x08, 0xc9, 0x80, 0x7d, 0x00, 0x7c, 0x03, 0x7d, 0x48, 0x7c, 0x08, 0x7d, 0x20, 0x7d, 0x10, 0x7d, 0x0e, 0x90, 0x00, 0x91, 0x0e, 0x91, 0x1a, 0x91, 0x31, 0x91, 0x5a, 0x91, 0x69, 0x91, 0x75, 0x91, 0x7e, 0x91, 0x88, 0x91, 0x8f, 0x91, 0x96, 0x91, 0xa3, 0x91, 0xaf, 0x91, 0xc4, 0x91, 0xd7, 0x91, 0xe8, 0x91, 0x20, 0x92, 0x00, 0x93, 0x06, 0x93, 0xe3, 0x93, 0x02, 0x93, 0x02, 0x93, 0x00, 0x93, 0x04, 0x93, 0x00, 0x93, 0x03, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x96, 0x00, 0x97, 0x08, 0x97, 0x19, 0x97, 0x02, 0x97, 0x0c, 0x97, 0x24, 0x97, 0x30, 0x97, 0x28, 0x97, 0x26, 0x97, 0x02, 0x97, 0x98, 0x97, 0x80, 0x97, 0x00, 0x97, 0x00, 0xc3, 0xeF, //AWB等使能 0xff, 0x00, 0xba, 0xdc, 0xbb, 0x08, 0xb6, 0x24, 0xb8, 0x33, 0xb7, 0x20, 0xb9, 0x30, 0xb3, 0xb4, 0xb4, 0xca, 0xb5, 0x43, 0xb0, 0x5c, 0xb1, 0x4f, 0xb2, 0x06, 0xc7, 0x00, 0xc6, 0x51, 0xc5, 0x11, 0xc4, 0x9c, 0xbf, 0x00, 0xbc, 0x64, 0xa6, 0x00, 0xa7, 0x1e, 0xa7, 0x6b, 0xa7, 0x47, 0xa7, 0x33, 0xa7, 0x00, 0xa7, 0x23, 0xa7, 0x2e, 0xa7, 0x85, 0xa7, 0x42, 0xa7, 0x33, 0xa7, 0x00, 0xa7, 0x23, 0xa7, 0x1b, 0xa7, 0x74, 0xa7, 0x42, 0xa7, 0x33, 0xa7, 0x00, 0xa7, 0x23, 0xc0, 0xc8, 0xc1, 0x96, 0x8c, 0x00, 0x86, 0x3d, 0x50, 0x92, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x5a, 0x50, 0x5b, 0x3c, 0x5c, 0x00, 0xd3, 0x04, 0x7f, 0x00, 0xda, 0x00, 0xe5, 0x1f, 0xe1, 0x67, 0xe0, 0x00, 0xdd, 0x7f, 0x05, 0x00, 0xff, 0x00, 0xe0, 0x04, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x3d, 0x50, 0x92, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0x50, 0x5b, 0x3c, 0x5c, 0x00, 0xd3, 0x04, 0xe0, 0x00, 0xFF, 0x00, 0x05, 0x00, 0xDA, 0x08, 0xda, 0x09, 0x98, 0x00, 0x99, 0x00, }; const unsigned char OV2640_JPEG_INIT[][2]= { 0xff, 0x00, 0x2c, 0xff, 0x2e, 0xdf, 0xff, 0x01, 0x3c, 0x32, 0x11, 0x00, 0x09, 0x02, 0x04, 0x28, 0x13, 0xe5, 0x14, 0x48, 0x2c, 0x0c, 0x33, 0x78, 0x3a, 0x33, 0x3b, 0xfB, 0x3e, 0x00, 0x43, 0x11, 0x16, 0x10, 0x39, 0x92, 0x35, 0xda, 0x22, 0x1a, 0x37, 0xc3, 0x23, 0x00, 0x34, 0xc0, 0x36, 0x1a, 0x06, 0x88, 0x07, 0xc0, 0x0d, 0x87, 0x0e, 0x41, 0x4c, 0x00, 0x48, 0x00, 0x5B, 0x00, 0x42, 0x03, 0x4a, 0x81, 0x21, 0x99, 0x24, 0x40, 0x25, 0x38, 0x26, 0x82, 0x5c, 0x00, 0x63, 0x00, 0x61, 0x70, 0x62, 0x80, 0x7c, 0x05, 0x20, 0x80, 0x28, 0x30, 0x6c, 0x00, 0x6d, 0x80, 0x6e, 0x00, 0x70, 0x02, 0x71, 0x94, 0x73, 0xc1, 0x12, 0x40,//0x40 0x17, 0x11, 0x18, 0x43, 0x19, 0x00, 0x1a, 0x4b, 0x32, 0x09, 0x37, 0xc0, 0x4f, 0x60, 0x50, 0xa8, 0x6d, 0x00, 0x3d, 0x38, 0x46, 0x3f, 0x4f, 0x60, 0x0c, 0x3c, 0xff, 0x00, 0xe5, 0x7f, 0xf9, 0xc0, 0x41, 0x24, 0xe0, 0x14, 0x76, 0xff, 0x33, 0xa0, 0x42, 0x20, 0x43, 0x18, 0x4c, 0x00, 0x87, 0xd5, 0x88, 0x3f, 0xd7, 0x03, 0xd9, 0x10, 0xd3, 0x82, 0xc8, 0x08, 0xc9, 0x80, 0x7c, 0x00, 0x7d, 0x00, 0x7c, 0x03, 0x7d, 0x48, 0x7d, 0x48, 0x7c, 0x08, 0x7d, 0x20, 0x7d, 0x10, 0x7d, 0x0e, 0x90, 0x00, 0x91, 0x0e, 0x91, 0x1a, 0x91, 0x31, 0x91, 0x5a, 0x91, 0x69, 0x91, 0x75, 0x91, 0x7e, 0x91, 0x88, 0x91, 0x8f, 0x91, 0x96, 0x91, 0xa3, 0x91, 0xaf, 0x91, 0xc4, 0x91, 0xd7, 0x91, 0xe8, 0x91, 0x20, 0x92, 0x00, 0x93, 0x06, 0x93, 0xe3, 0x93, 0x05, 0x93, 0x05, 0x93, 0x00, 0x93, 0x04, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x93, 0x00, 0x96, 0x00, 0x97, 0x08, 0x97, 0x19, 0x97, 0x02, 0x97, 0x0c, 0x97, 0x24, 0x97, 0x30, 0x97, 0x28, 0x97, 0x26, 0x97, 0x02, 0x97, 0x98, 0x97, 0x80, 0x97, 0x00, 0x97, 0x00, 0xc3, 0xed, 0xa4, 0x00, 0xa8, 0x00, 0xc5, 0x11, 0xc6, 0x51, 0xbf, 0x80, 0xc7, 0x10, 0xb6, 0x66, 0xb8, 0xA5, 0xb7, 0x64, 0xb9, 0x7C, 0xb3, 0xaf, 0xb4, 0x97, 0xb5, 0xFF, 0xb0, 0xC5, 0xb1, 0x94, 0xb2, 0x0f, 0xc4, 0x5c, 0xc0, 0x64, 0xc1, 0x4B, 0x8c, 0x00, 0x86, 0x3D, 0x50, 0x00, 0x51, 0xC8, 0x52, 0x96, 0x53, 0x00, 0x54, 0x00, 0x55, 0x00, 0x5a, 0xC8, 0x5b, 0x96, 0x5c, 0x00, 0xd3, 0x7f, 0xc3, 0xed, 0x7f, 0x00, 0xda, 0x00, 0xe5, 0x1f, 0xe1, 0x67, 0xe0, 0x00, 0xdd, 0x7f, 0x05, 0x00, 0x12, 0x40,//0x40 0xd3, 0x7f, 0xc0, 0x16, 0xC1, 0x12, 0x8c, 0x00, 0x86, 0x3d, 0x50, 0x00, 0x51, 0x2C, 0x52, 0x24, 0x53, 0x00, 0x54, 0x00, 0x55, 0x00, 0x5A, 0x2c, 0x5b, 0x24, 0x5c, 0x00, }; const unsigned char OV2640_YUV422[][2]= { 0xFF, 0x00, 0x05, 0x00, 0xDA, 0x10, 0xD7, 0x03, 0xDF, 0x00, 0x33, 0x80, 0x3C, 0x40, 0xe1, 0x77, 0x00, 0x00, }; const unsigned char OV2640_JPEG[][2]= { 0xe0, 0x14, 0xe1, 0x77, 0xe5, 0x1f, 0xd7, 0x03, 0xda, 0x10, 0xe0, 0x00, 0xFF, 0x01, 0x04, 0x08, }; /* JPG 160x120 */ const unsigned char OV2640_160x120_JPEG[][2]= { 0xff, 0x01, 0x12, 0x40, 0x17, 0x11, 0x18, 0x43, 0x19, 0x00, 0x1a, 0x4b, 0x32, 0x09, 0x4f, 0xca, 0x50, 0xa8, 0x5a, 0x23, 0x6d, 0x00, 0x39, 0x12, 0x35, 0xda, 0x22, 0x1a, 0x37, 0xc3, 0x23, 0x00, 0x34, 0xc0, 0x36, 0x1a, 0x06, 0x88, 0x07, 0xc0, 0x0d, 0x87, 0x0e, 0x41, 0x4c, 0x00, 0xff, 0x00, 0xe0, 0x04, 0xc0, 0x64, 0xc1, 0x4b, 0x86, 0x35, 0x50, 0x92, 0x51, 0xc8, 0x52, 0x96, 0x53, 0x00, 0x54, 0x00, 0x55, 0x00, 0x57, 0x00, 0x5a, 0x28, 0x5b, 0x1e, 0x5c, 0x00, 0xe0, 0x00, }; /* JPG, 0x176x144 */ const unsigned char OV2640_176x144_JPEG[][2]= { 0xff, 0x01, 0x12, 0x40, 0x17, 0x11, 0x18, 0x43, 0x19, 0x00, 0x1a, 0x4b, 0x32, 0x09, 0x4f, 0xca, 0x50, 0xa8, 0x5a, 0x23, 0x6d, 0x00, 0x39, 0x12, 0x35, 0xda, 0x22, 0x1a, 0x37, 0xc3, 0x23, 0x00, 0x34, 0xc0, 0x36, 0x1a, 0x06, 0x88, 0x07, 0xc0, 0x0d, 0x87, 0x0e, 0x41, 0x4c, 0x00, 0xff, 0x00, 0xe0, 0x04, 0xc0, 0x64, 0xc1, 0x4b, 0x86, 0x35, 0x50, 0x92, 0x51, 0xc8, 0x52, 0x96, 0x53, 0x00, 0x54, 0x00, 0x55, 0x00, 0x57, 0x00, 0x5a, 0x2c, 0x5b, 0x24, 0x5c, 0x00, 0xe0, 0x00, }; /* JPG 320x240 */ const unsigned char OV2640_320x240_JPEG[][2]= { {0xff, 0x01}, {0x11, 0x01}, {0x12, 0x00}, // Bit[6:4]: Resolution selection//0x02为彩条 {0x17, 0x11}, // HREFST[10:3] {0x18, 0x75}, // HREFEND[10:3] {0x32, 0x36}, // Bit[5:3]: HREFEND[2:0]; Bit[2:0]: HREFST[2:0] {0x19, 0x01}, // VSTRT[9:2] {0x1a, 0x97}, // VEND[9:2] {0x03, 0x0f}, // Bit[3:2]: VEND[1:0]; Bit[1:0]: VSTRT[1:0] {0x37, 0x40}, {0x4f, 0xbb}, {0x50, 0x9c}, {0x5a, 0x57}, {0x6d, 0x80}, {0x3d, 0x34}, {0x39, 0x02}, {0x35, 0x88}, {0x22, 0x0a}, {0x37, 0x40}, {0x34, 0xa0}, {0x06, 0x02}, {0x0d, 0xb7}, {0x0e, 0x01}, //////////////// /* //176*144 0xff, 0x00, 0xc0, 0xC8, 0xc1, 0x96, 0x8c, 0x00, 0x86, 0x3D, 0x50, 0x9B, 0x51, 0x90, 0x52, 0x2C, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x5a, 0x2C, 0x5b, 0x24, 0x5c, 0x00, 0xd3, 0x7F, //////////// */ //////////////// //320*240 0xff, 0x00, 0xe0, 0x04, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x3d, 0x50, 0x92, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0x50, 0x5b, 0x3c, 0x5c, 0x00, 0xd3, 0x7F, 0xe0, 0x00, /////////////////// /* 0xff, 0x00, 0xe0, 0x04, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x35, 0x50, 0x92, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0x58, 0x5b, 0x48, 0x5c, 0x00, 0xd3, 0x08, 0xe0, 0x00 */ /* //640*480 0xff, 0x00, 0xe0, 0x04, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x3d, 0x50, 0x89, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0xa0, 0x5b, 0x78, 0x5c, 0x00, 0xd3, 0x04, 0xe0, 0x00 */ ///////////////////// /* //800*600 0xff, 0x00, 0xe0, 0x04, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x35, 0x50, 0x89, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0xc8, 0x5b, 0x96, 0x5c, 0x00, 0xd3, 0x02, 0xe0, 0x00 */ /* //1280*1024 0xff, 0x00, 0xe0, 0x04, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x3d, 0x50, 0x00, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0x40, 0x5b, 0xf0, 0x5c, 0x01, 0xd3, 0x02, 0xe0, 0x00 */ /* ///////////////////// //1600*1200 0xff, 0x00, 0xe0, 0x04, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x3d, 0x50, 0x00, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0x90, 0x5b, 0x2C, 0x5c, 0x05,//bit2->1;bit[1:0]->1 0xd3, 0x02, 0xe0, 0x00 ///////////////////// */ /* //1024*768 0xff, 0x00, 0xc0, 0xC8, 0xc1, 0x96, 0x8c, 0x00, 0x86, 0x3D, 0x50, 0x00, 0x51, 0x90, 0x52, 0x2C, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x5a, 0x00, 0x5b, 0xC0, 0x5c, 0x01, 0xd3, 0x02 */ }; /* JPG 352x288 */ const unsigned char OV2640_352x288_JPEG[][2]= { 0xff, 0x01, 0x12, 0x40, 0x17, 0x11, 0x18, 0x43, 0x19, 0x00, 0x1a, 0x4b, 0x32, 0x09, 0x4f, 0xca, 0x50, 0xa8, 0x5a, 0x23, 0x6d, 0x00, 0x39, 0x12, 0x35, 0xda, 0x22, 0x1a, 0x37, 0xc3, 0x23, 0x00, 0x34, 0xc0, 0x36, 0x1a, 0x06, 0x88, 0x07, 0xc0, 0x0d, 0x87, 0x0e, 0x41, 0x4c, 0x00, 0xff, 0x00, 0xe0, 0x04, 0xc0, 0x64, 0xc1, 0x4b, 0x86, 0x35, 0x50, 0x89, 0x51, 0xc8, 0x52, 0x96, 0x53, 0x00, 0x54, 0x00, 0x55, 0x00, 0x57, 0x00, 0x5a, 0x58, 0x5b, 0x48, 0x5c, 0x00, 0xe0, 0x00, }; const unsigned char OV2640_640x480_JPEG[][2]= { 0xff, 0x01, 0x11, 0x01, 0x12, 0x00, 0x17, 0x11, 0x18, 0x75, 0x32, 0x36, 0x19, 0x01, 0x1a, 0x97, 0x03, 0x0f, 0x37, 0x40, 0x4f, 0xbb, 0x50, 0x9c, 0x5a, 0x57, 0x6d, 0x80, 0x3d, 0x34, 0x39, 0x02, 0x35, 0x88, 0x22, 0x0a, 0x37, 0x40, 0x34, 0xa0, 0x06, 0x02, 0x0d, 0xb7, 0x0e, 0x01, 0xff, 0x00, 0xe0, 0x04, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x3d, 0x50, 0x89, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0xa0, 0x5b, 0x78, 0x5c, 0x00, 0xd3, 0x7f, 0xe0, 0x00, }; /* JPG, 0x800x600 */ const unsigned char OV2640_800x600_JPEG[][2]= { 0xff, 0x01, 0x11, 0x01, 0x12, 0x00, 0x17, 0x11, 0x18, 0x75, 0x32, 0x36, 0x19, 0x01, 0x1a, 0x97, 0x03, 0x0f, 0x37, 0x40, 0x4f, 0xbb, 0x50, 0x9c, 0x5a, 0x57, 0x6d, 0x80, 0x3d, 0x34, 0x39, 0x02, 0x35, 0x88, 0x22, 0x0a, 0x37, 0x40, 0x34, 0xa0, 0x06, 0x02, 0x0d, 0xb7, 0x0e, 0x01, 0xff, 0x00, 0xe0, 0x01, 0xc0, 0xc8, 0xc1, 0x96, 0x86, 0x35, 0x50, 0x89, 0x51, 0x90, 0x52, 0x2c, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x57, 0x00, 0x5a, 0xc8, 0x5b, 0x96, 0x5c, 0x00, 0xd3, 0x7f, 0xe0, 0x00, }; /* JPG, 0x1024x768 */ const unsigned char OV2640_1024x768_JPEG[][2]= { 0xff, 0x01, 0x11, 0x0a, 0x12, 0x00, 0x17, 0x11, 0x18, 0x75, 0x32, 0x36, 0x19, 0x01, 0x1a, 0x97, 0x03, 0x0f, 0x37, 0x40, 0x4f, 0xbb, 0x50, 0x9c, 0x5a, 0x57, 0x6d, 0x80, 0x3d, 0x34, 0x39, 0x02, 0x35, 0x88, 0x22, 0x0a, 0x37, 0x40, 0x34, 0xa0, 0x06, 0x02, 0x0d, 0xb7, 0x0e, 0x01, 0xff, 0x00, 0xc0, 0xC8, 0xc1, 0x96, 0x8c, 0x00, 0x86, 0x3D, 0x50, 0x00, 0x51, 0x90, 0x52, 0x2C, 0x53, 0x00, 0x54, 0x00, 0x55, 0x88, 0x5a, 0x00, 0x5b, 0xC0, 0x5c, 0x01, 0xd3, 0x7f, }; /* Private function prototypes -----------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ /** * @brief Initializes the hardware resources (I2C and GPIO) used to configure * the OV2640 camera. * @param None * @retval None */ #define DIS_BORD_EN 0 void OV2640_CaptureGpioInit(void) { GPIO_InitTypeDef GPIO_InitStructure; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9| GPIO_Pin_10| GPIO_Pin_11| GPIO_Pin_12| GPIO_Pin_13| GPIO_Pin_14| GPIO_Pin_15; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_Init(GPIOE, &GPIO_InitStructure); // GPIOC->CRL = 0x88888888; // GPIOC->ODR |= 0x00FF; Exit_Init(); //VSYNC } /** * @brief Resets the OV2640 camera. * @param None * @retval None */ void OV2640_Reset(void) { OV2640_WriteReg(OV2640_DSP_RA_DLMT, 0x01); OV2640_WriteReg(OV2640_SENSOR_COM7, 0x80); } /** * @brief Reads the OV2640 Manufacturer identifier. * @param OV2640ID: Pointer to the OV2640 Manufacturer identifier * @retval None */ void OV2640_ReadID(OV2640_IDTypeDef *OV2640ID) { OV2640_WriteReg(OV2640_DSP_RA_DLMT, 0x01); OV2640ID->Manufacturer_ID1 = OV2640_ReadReg(OV2640_SENSOR_MIDH); OV2640ID->Manufacturer_ID2 = OV2640_ReadReg(OV2640_SENSOR_MIDL); OV2640ID->PIDH = OV2640_ReadReg(OV2640_SENSOR_PIDH); OV2640ID->PIDL = OV2640_ReadReg(OV2640_SENSOR_PIDL); } /** * @brief Configures DCMI/DMA to capture image from the OV2640 camera. * @param ImageFormat: Image format BMP or JPEG * @param BMPImageSize: BMP Image size * @retval None */ void OV2640_Init(ImageFormat_TypeDef ImageFormat) { } void OV2640_Init1(ImageFormat_TypeDef ImageFormat) { } /** * @brief Configures the OV2640 camera in QQVGA mode. * @param None * @retval None */ void OV2640_QQVGAConfig(void) { uint32_t i; OV2640_Reset(); Delay(200); //JPG从这里返回 /* Initialize OV2640 */ for(i=0; i<(sizeof(OV2640_QQVGA)/2); i++) { OV2640_WriteReg(OV2640_QQVGA[i][0], OV2640_QQVGA[i][1]); } } //void OV2640_QQVGAConfig1(void) //{ // uint32_t i; // //OV2640_JPEGConfig(JPEG_176x144); // OV2640_JPEGConfig(JPEG_320x240); // return; // OV2640_Reset(); // Delay(200); // //JPG从这里返回 // // /* Initialize OV2640 */ // for(i=0; i<(sizeof(OV2640_QQVGA)/2); i++) // { // OV2640_WriteReg(OV2640_QQVGA[i][0], OV2640_QQVGA[i][1]); // } //} static const u8 change_reg[][2]= { /* {0x12, 0x46},*/ {0x3a, 0x04}, {0x40, 0xd0},//0xd0->RGB565,0xF0->RGB555 {0x12, 0x14}, {0x32, 0x80}, {0x17, 0x16}, {0x18, 0x04}, {0x19, 0x02}, {0x1a, 0x7b},//0x7a, {0x03, 0x06},//0x0a, {0x0c, 0x00}, {0x3e, 0x00},// {0x70, 0x00},//00 {0x71, 0x00},//0x85测试 {0x72, 0x11}, {0x73, 0x00},// {0xa2, 0x02}, {0x11, 0x02}, {0x7a, 0x20}, {0x7b, 0x1c}, {0x7c, 0x28}, {0x7d, 0x3c}, {0x7e, 0x55}, {0x7f, 0x68}, {0x80, 0x76}, {0x81, 0x80}, {0x82, 0x88}, {0x83, 0x8f}, {0x84, 0x96}, {0x85, 0xa3}, {0x86, 0xaf}, {0x87, 0xc4}, {0x88, 0xd7}, {0x89, 0xe8}, {0x13, 0xe0}, {0x00, 0x00},//AGC {0x10, 0x00}, {0x0d, 0x00}, {0x14, 0x20},//0x38, limit the max gain {0xa5, 0x05}, {0xab, 0x07}, {0x24, 0x75}, {0x25, 0x63}, {0x26, 0xA5}, {0x9f, 0x78}, {0xa0, 0x68}, {0xa1, 0x03},//0x0b, {0xa6, 0xdf},//0xd8, {0xa7, 0xdf},//0xd8, {0xa8, 0xf0}, {0xa9, 0x90}, {0xaa, 0x94}, {0x13, 0xe5}, {0x0e, 0x61}, {0x0f, 0x4b}, {0x16, 0x02}, {0x1e, 0x37},//0x07, {0x21, 0x02}, {0x22, 0x91}, {0x29, 0x07}, {0x33, 0x0b}, {0x35, 0x0b}, {0x37, 0x1d}, {0x38, 0x71}, {0x39, 0x2a},// {0x3c, 0x78}, {0x4d, 0x40}, {0x4e, 0x20}, {0x69, 0x0c},/////////////////////// {0x6b, 0x80},//PLL {0x74, 0x19}, {0x8d, 0x4f}, {0x8e, 0x00}, {0x8f, 0x00}, {0x90, 0x00}, {0x91, 0x00}, {0x92, 0x00},//0x19,//0x66 {0x96, 0x00}, {0x9a, 0x80}, {0xb0, 0x84}, {0xb1, 0x0c}, {0xb2, 0x0e}, {0xb3, 0x82}, {0xb8, 0x0a}, {0x43, 0x14}, {0x44, 0xf0}, {0x45, 0x34}, {0x46, 0x58}, {0x47, 0x28}, {0x48, 0x3a}, {0x59, 0x88}, {0x5a, 0x88}, {0x5b, 0x44}, {0x5c, 0x67}, {0x5d, 0x49}, {0x5e, 0x0e}, {0x64, 0x04}, {0x65, 0x20}, {0x66, 0x05}, {0x94, 0x04}, {0x95, 0x08}, {0x6c, 0x0a}, {0x6d, 0x55}, {0x6e, 0x11}, {0x6f, 0x9f},//0x9e for advance AWB {0x6a, 0x00}, {0x01, 0x80}, {0x02, 0x80}, {0x13, 0xe7}, {0x15, 0x00}, {0x4f, 0x80}, {0x50, 0x80}, {0x51, 0x00}, {0x52, 0x22}, {0x53, 0x5e}, {0x54, 0x80}, {0x58, 0x9e}, {0x41, 0x08}, {0x3f, 0x00}, {0x75, 0x05}, {0x76, 0xe1}, {0x4c, 0x00}, {0x77, 0x01}, {0x3d, 0xc2}, //0xc0, {0x4b, 0x09}, {0xc9, 0x60}, {0x41, 0x38}, {0x56, 0x40},//0x40, change according to Jim's request {0x34, 0x11}, {0x3b, 0x02},//0x00,//0x02, {0xa4, 0x89},//0x88, {0x96, 0x00}, {0x97, 0x30}, {0x98, 0x20}, {0x99, 0x30}, {0x9a, 0x84}, {0x9b, 0x29}, {0x9c, 0x03}, {0x9d, 0x4c}, {0x9e, 0x3f}, {0x78, 0x04}, {0x79, 0x01}, {0xc8, 0xf0}, {0x79, 0x0f}, {0xc8, 0x00}, {0x79, 0x10}, {0xc8, 0x7e}, {0x79, 0x0a}, {0xc8, 0x80}, {0x79, 0x0b}, {0xc8, 0x01}, {0x79, 0x0c}, {0xc8, 0x0f}, {0x79, 0x0d}, {0xc8, 0x20}, {0x79, 0x09}, {0xc8, 0x80}, {0x79, 0x02}, {0xc8, 0xc0}, {0x79, 0x03}, {0xc8, 0x40}, {0x79, 0x05}, {0xc8, 0x30}, {0x79, 0x26}, {0x09, 0x03}, {0x55, 0x00}, {0x56, 0x40}, {0x3b, 0xC2},//0x82,//0xc0,//0xc2, //night mode }; /** * @brief Configures the OV2640 camera in QVGA mode. * @param None * @retval None */ u8 ID; void OV2640_QVGAConfig(void) { uint32_t i; OV2640_Reset(); Delay(200); /* Initialize OV2640 */ for(i=0; i<(sizeof(OV2640_QVGA)/2); i++) { OV2640_WriteReg(OV2640_QVGA[i][0], OV2640_QVGA[i][1]); Delay(1); } } /** * @brief Configures the OV2640 camera in JPEG mode. * @param JPEGImageSize: JPEG image size * @retval None */ void OV2640_JPEGConfig(ImageFormat_TypeDef ImageFormat) { uint32_t i; OV2640_Reset(); Delay(200); /* Initialize OV2640 */ for(i=0; i<(sizeof(OV2640_JPEG_INIT)/2); i++) { OV2640_WriteReg(OV2640_JPEG_INIT[i][0], OV2640_JPEG_INIT[i][1]); Delay(1); } /* Set to output YUV422 */ for(i=0; i<(sizeof(OV2640_YUV422)/2); i++) { OV2640_WriteReg(OV2640_YUV422[i][0], OV2640_YUV422[i][1]); Delay(1); } OV2640_WriteReg(0xff, 0x01); OV2640_WriteReg(0x15, 0x00); /* Set to output JPEG */ for(i=0; i<(sizeof(OV2640_JPEG)/2); i++) { OV2640_WriteReg(OV2640_JPEG[i][0], OV2640_JPEG[i][1]); Delay(1); } Delay(100); switch(ImageFormat) { case JPEG_176x144: { for(i=0; i<(sizeof(OV2640_176x144_JPEG)/2); i++) { OV2640_WriteReg(OV2640_176x144_JPEG[i][0], OV2640_176x144_JPEG[i][1]); } break; } case JPEG_320x240: { for(i=0; i<(sizeof(OV2640_320x240_JPEG)/2); i++) { OV2640_WriteReg(OV2640_320x240_JPEG[i][0], OV2640_320x240_JPEG[i][1]); Delay(1); } break; } case JPEG_352x288: { for(i=0; i<(sizeof(OV2640_352x288_JPEG)/2); i++) { OV2640_WriteReg(OV2640_352x288_JPEG[i][0], OV2640_352x288_JPEG[i][1]); } break; } case JPEG_640x480: { for(i=0; i<(sizeof(OV2640_640x480_JPEG)/2); i++) { OV2640_WriteReg(OV2640_640x480_JPEG[i][0], OV2640_640x480_JPEG[i][1]); } break; } case JPEG_800x600: { for(i = 0; i<(sizeof(OV2640_800x600_JPEG)/2); i++) { OV2640_WriteReg(OV2640_800x600_JPEG[i][0], OV2640_800x600_JPEG[i][1]); } break; } case JPEG_1024x768: { for(i=0; i<(sizeof(OV2640_1024x768_JPEG)/2); i++) { OV2640_WriteReg(OV2640_1024x768_JPEG[i][0], OV2640_1024x768_JPEG[i][1]); } break; } default: { for(i=0; i<(sizeof(OV2640_160x120_JPEG)/2); i++) { OV2640_WriteReg(OV2640_160x120_JPEG[i][0], OV2640_160x120_JPEG[i][1]); } break; } } } /** * @brief Configures the OV2640 camera brightness. * @param Brightness: Brightness value, where Brightness can be: * 0x40 for Brightness +2, * 0x30 for Brightness +1, * 0x20 for Brightness 0, * 0x10 for Brightness -1, * 0x00 for Brightness -2, * @retval None */ void OV2640_BrightnessConfig(uint8_t Brightness) { OV2640_WriteReg(0xff, 0x00); OV2640_WriteReg(0x7c, 0x00); OV2640_WriteReg(0x7d, 0x04); OV2640_WriteReg(0x7c, 0x09); OV2640_WriteReg(0x7d, Brightness); OV2640_WriteReg(0x7d, 0x00); } ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// const static u8 OV2640_AUTOEXPOSURE_LEVEL0[]= { 0xFF, 0x01, 0xff, 0x24, 0x20, 0xff, 0x25, 0x18, 0xff, 0x26, 0x60, 0xff, 0x00, 0x00, 0x00 }; const static u8 OV2640_AUTOEXPOSURE_LEVEL1[]= { 0xFF, 0x01, 0xff, 0x24, 0x34, 0xff, 0x25, 0x1c, 0xff, 0x26, 0x70, 0xff, 0x00, 0x00, 0x00 }; const static u8 OV2640_AUTOEXPOSURE_LEVEL2[]= { 0xFF, 0x01, 0xff, 0x24, 0x3e, 0xff, 0x25, 0x38, 0xff, 0x26, 0x81, 0xff, 0x00, 0x00, 0x00 }; const static u8 OV2640_AUTOEXPOSURE_LEVEL3[]= { 0xFF, 0x01, 0xff, 0x24, 0x48, 0xff, 0x25, 0x40, 0xff, 0x26, 0x81, 0xff, 0x00, 0x00, 0x00 }; const static u8 OV2640_AUTOEXPOSURE_LEVEL4[]= { 0xFF, 0x01, 0xff, 0x24, 0x58, 0xff, 0x25, 0x50, 0xff, 0x26, 0x92, 0xff, 0x00, 0x00, 0x00 }; void SCCB_WriteRegs(const u8* pbuf) { while(1) { if((*pbuf == 0) && (*(pbuf + 1) == 0)) { break; } else { OV2640_WriteReg(*pbuf++, *pbuf++); } } } void OV2640_AutoExposure(u8 level) { switch(level) { case 0: SCCB_WriteRegs(OV2640_AUTOEXPOSURE_LEVEL0); break; case 1: SCCB_WriteRegs(OV2640_AUTOEXPOSURE_LEVEL1); break; case 2: SCCB_WriteRegs(OV2640_AUTOEXPOSURE_LEVEL2); break; case 3: SCCB_WriteRegs(OV2640_AUTOEXPOSURE_LEVEL3); break; case 4: SCCB_WriteRegs(OV2640_AUTOEXPOSURE_LEVEL4); break; default: SCCB_WriteRegs(OV2640_AUTOEXPOSURE_LEVEL0); break; } } /** * @brief Configures the OV2640 camera Black and white mode. * @param BlackWhite: BlackWhite value, where BlackWhite can be: * 0x18 for B&W, * 0x40 for Negative, * 0x58 for B&W negative, * 0x00 for Normal, * @retval None */ void OV2640_BandWConfig(uint8_t BlackWhite) { OV2640_WriteReg(0xff, 0x00); OV2640_WriteReg(0x7c, 0x00); OV2640_WriteReg(0x7d, BlackWhite); OV2640_WriteReg(0x7c, 0x05); OV2640_WriteReg(0x7d, 0x80); OV2640_WriteReg(0x7d, 0x80); } /** * @brief Configures the OV2640 camera color effects. * @param value1: Color effects value1 * @param value2: Color effects value2 * where value1 and value2 can be: * value1 = 0x40, value2 = 0xa6 for Antique, * value1 = 0xa0, value2 = 0x40 for Bluish, * value1 = 0x40, value2 = 0x40 for Greenish, * value1 = 0x40, value2 = 0xc0 for Reddish, * @retval None */ void OV2640_ColorEffectsConfig(uint8_t value1, uint8_t value2) { OV2640_WriteReg(0xff, 0x00); OV2640_WriteReg(0x7c, 0x00); OV2640_WriteReg(0x7d, 0x18); OV2640_WriteReg(0x7c, 0x05); OV2640_WriteReg(0x7d, value1); OV2640_WriteReg(0x7d, value2); } /** * @brief Configures the OV2640 camera contrast. * @param value1: Contrast value1 * @param value2: Contrast value2 * where value1 and value2 can be: * value1 = 0x28, value2 = 0x0c for Contrast +2, * value1 = 0x24, value2 = 0x16 for Contrast +1, * value1 = 0x20, value2 = 0x20 for Contrast 0, * value1 = 0x1c, value2 = 0x2a for Contrast -1, * value1 = 0x18, value2 = 0x34 for Contrast -2, * @retval None */ void OV2640_ContrastConfig(uint8_t value1, uint8_t value2) { OV2640_WriteReg(0xff, 0x00); OV2640_WriteReg(0x7c, 0x00); OV2640_WriteReg(0x7d, 0x04); OV2640_WriteReg(0x7c, 0x07); OV2640_WriteReg(0x7d, 0x20); OV2640_WriteReg(0x7d, value1); OV2640_WriteReg(0x7d, value2); OV2640_WriteReg(0x7d, 0x06); } /** * @brief Writes a byte at a specific Camera register * @param Addr: OV2640 register address. * @param Data: Data to be written to the specific register * @retval 0x00 if write operation is OK. * 0xFF if timeout condition occured (device not connected or bus error). */ uint8_t OV2640_WriteReg(uint16_t Addr, uint8_t Data) { I2C_WriteByte(Data,Addr,OV2640_DEVICE_WRITE_ADDRESS); return Data; } /** * @brief Reads a byte from a specific Camera register * @param Addr: OV2640 register address. * @retval data read from the specific register or 0xFF if timeout condition * occured. */ uint8_t OV2640_ReadReg(uint16_t Addr) { uint8_t Data[1]; I2C_ReadByte(Data,1,Addr,OV2640_DEVICE_READ_ADDRESS); return Data[0]; } void Delay(unsigned int nCount) { while(nCount > 0) { nCount --; } } void Delay_nMS(unsigned int nCount) { while(nCount > 0) { Delay(0xffff); nCount --; } } /** * @} */ /** * @} */ /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
不想做机器学习的硬件工程师不是好的CCIE
