551 lines
23 KiB
C
551 lines
23 KiB
C
/*********************************************************************************************************************
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* TC264 Opensourec Library 即（TC264 开源库）是一个基于官方 SDK 接口的第三方开源库
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* Copyright (c) 2022 SEEKFREE 逐飞科技
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*
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* 本文件是 TC264 开源库的一部分
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*
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* TC264 开源库 是免费软件
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* 您可以根据自由软件基金会发布的 GPL（GNU General Public License，即 GNU通用公共许可证）的条款
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* 即 GPL 的第3版（即 GPL3.0）或（您选择的）任何后来的版本，重新发布和/或修改它
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*
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* 本开源库的发布是希望它能发挥作用，但并未对其作任何的保证
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* 甚至没有隐含的适销性或适合特定用途的保证
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* 更多细节请参见 GPL
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*
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* 您应该在收到本开源库的同时收到一份 GPL 的副本
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* 如果没有，请参阅<https://www.gnu.org/licenses/>
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*
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* 额外注明：
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* 本开源库使用 GPL3.0 开源许可证协议 以上许可申明为译文版本
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* 许可申明英文版在 libraries/doc 文件夹下的 GPL3_permission_statement.txt 文件中
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* 许可证副本在 libraries 文件夹下 即该文件夹下的 LICENSE 文件
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* 欢迎各位使用并传播本程序 但修改内容时必须保留逐飞科技的版权声明（即本声明）
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*
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* 文件名称 zf_device_ov7725
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* 公司名称 成都逐飞科技有限公司
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* 版本信息 查看 libraries/doc 文件夹内 version 文件 版本说明
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* 开发环境 ADS v1.10.2
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* 适用平台 TC264D
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* 店铺链接 https://seekfree.taobao.com/
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*
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* 修改记录
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* 日期 作者 备注
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* 2022-09-15 pudding first version
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********************************************************************************************************************/
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/*********************************************************************************************************************
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* 接线定义：
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* ------------------------------------
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* 模块管脚 单片机管脚
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* TXD/SCL 查看 zf_device_ov7725.h 中 OV7725_COF_UART_TX 或 OV7725_COF_IIC_SCL 宏定义
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* RXD/SDA 查看 zf_device_ov7725.h 中 OV7725_COF_UART_RX 或 OV7725_COF_IIC_SDA 宏定义
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* PCLK 查看 zf_device_ov7725.h 中 OV7725_PCLK_PIN 宏定义
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* VSY 查看 zf_device_ov7725.h 中 OV7725_VSYNC_PIN 宏定义
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* D0-D7 查看 zf_device_ov7725.h 中 OV7725_DATA_PIN 宏定义 从该定义开始的连续八个引脚
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* VCC 3.3V电源
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* GND 电源地
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* 其余引脚悬空
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* ------------------------------------
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********************************************************************************************************************/
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#include "zf_common_interrupt.h"
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#include "zf_common_debug.h"
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#include "zf_common_fifo.h"
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#include "zf_driver_delay.h"
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#include "zf_driver_dma.h"
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#include "zf_driver_exti.h"
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#include "zf_driver_gpio.h"
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#include "zf_driver_soft_iic.h"
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#include "zf_driver_uart.h"
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#include "zf_device_camera.h"
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#include "zf_device_type.h"
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#include "zf_device_ov7725.h"
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vuint8 ov7725_finish_flag = 0;
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uint8 ov7725_image_binary [OV7725_H][OV7725_W / 8]; // 图像保存数组
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uint8 ov7725_uart_dma_init_flag; // 重新初始化DMA的标志位
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uint8 ov7725_dma_int_num = 0;
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uint8 ov7725_lost_flag = 1;
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uint8 ov7725_link_list_num = 0;
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// 需要配置到摄像头的数据 不允许在这修改参数
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static uint16 ov7725_set_confing_buffer [OV7725_CONFIG_FINISH][2]=
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{
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{OV7725_INIT, 0}, // 初始化命令
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{OV7725_RESERVE, 0}, // 保留
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{OV7725_CONTRAST, OV7725_CONTRAST_DEF}, // 阈值设置
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{OV7725_FPS, OV7725_FPS_DEF}, // 帧率
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{OV7725_COL, OV7725_W}, // 图像宽度
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{OV7725_ROW, OV7725_H} // 图像高度
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};
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// 从摄像头内部获取到的配置数据 不允许在这修改参数
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static uint16 ov7725_get_confing_buffer [OV7725_CONFIG_FINISH - 1][2]=
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{
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{OV7725_RESERVE, 0}, // 保留
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{OV7725_CONTRAST, 0}, // 阈值设置
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{OV7725_FPS, 0}, // 帧率
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{OV7725_COL, 0}, // 图像宽度
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{OV7725_ROW, 0} // 图像高度
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};
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 配置摄像头内部配置信息
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// 参数说明 buff 发送配置信息的地址
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// 返回参数 uint8 1-失败 0-成功
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// 使用示例 if(ov7725_set_config(ov7725_set_confing_buffer)){}
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// 备注信息 内部调用
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 ov7725_set_config (uint16 buff[OV7725_CONFIG_FINISH][2])
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{
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uint8 return_state = 1;
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uint8 uart_buffer[4];
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uint16 temp = 0;
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uint16 timeout_count = 0;
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uint32 loop_count = 0;
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uint32 uart_buffer_index = 0;
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for(loop_count = OV7725_ROW; OV7725_SET_DATA > loop_count; loop_count --)
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{
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uart_buffer[0] = 0xA5;
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uart_buffer[1] = (uint8)buff[loop_count][0];
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temp = buff[loop_count][1];
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uart_buffer[2] = temp >> 8;
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uart_buffer[3] = (uint8)temp;
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uart_write_buffer(OV7725_COF_UART, uart_buffer, 4);
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system_delay_ms(10);
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}
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do
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{
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if(3 <= fifo_used(&camera_receiver_fifo))
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{
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uart_buffer_index = 3;
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fifo_read_buffer(&camera_receiver_fifo, uart_buffer, &uart_buffer_index, FIFO_READ_AND_CLEAN);
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if((0xff == uart_buffer[1]) || (0xff == uart_buffer[2]))
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{
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return_state = 0;
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break;
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}
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}
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system_delay_ms(1);
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}while(OV7725_INIT_TIMEOUT > timeout_count ++);
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// 以上部分对摄像头配置的数据全部都会保存在摄像头上51单片机的eeprom中
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// 利用set_exposure_time函数单独配置的曝光数据不存储在eeprom中
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return return_state;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 获取摄像头内部配置信息
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// 参数说明 buff 接收配置信息的地址
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// 返回参数 uint8 1-失败 0-成功
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// 使用示例 if(ov7725_get_config(ov7725_get_confing_buffer)){}
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// 备注信息 内部调用
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 ov7725_get_config (uint16 buff[OV7725_CONFIG_FINISH - 1][2])
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{
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uint8 return_state = 0;
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uint8 uart_buffer[4];
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uint16 temp = 0;
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uint16 timeout_count = 0;
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uint32 loop_count = 0;
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uint32 uart_buffer_index = 0;
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for(loop_count = OV7725_ROW - 1; 1 <= loop_count; loop_count --)
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{
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uart_buffer[0] = 0xA5;
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uart_buffer[1] = OV7725_GET_STATUS;
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temp = buff[loop_count][0];
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uart_buffer[2] = temp >> 8;
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uart_buffer[3] = (uint8)temp;
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uart_write_buffer(OV7725_COF_UART, uart_buffer, 4);
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system_delay_ms(10);
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timeout_count = 0;
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do
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{
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if(3 <= fifo_used(&camera_receiver_fifo))
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{
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uart_buffer_index = 3;
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fifo_read_buffer(&camera_receiver_fifo, uart_buffer, &uart_buffer_index, FIFO_READ_AND_CLEAN);
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buff[loop_count][1] = uart_buffer[1] << 8 | uart_buffer[2];
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break;
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}
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system_delay_ms(1);
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}while(OV7725_INIT_TIMEOUT > timeout_count ++);
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if(OV7725_INIT_TIMEOUT < timeout_count) // 超时
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{
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return_state = 1;
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break;
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}
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}
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return return_state;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 小钻风摄像头内部寄存器初始化
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// 参数说明 void
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// 返回参数 uint8 1-失败 0-成功
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// 使用示例 if(ov7725_iic_init()){}
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// 备注信息 内部使用 用户无需调用
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 ov7725_iic_init (void)
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{
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soft_iic_info_struct ov7725_iic_struct;
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uint8 ov7725_idcode = 0;
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uint8 return_state = 0;
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uart_rx_interrupt(OV7725_COF_UART, 0);
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soft_iic_init(&ov7725_iic_struct, OV7725_DEV_ADD, OV7725_COF_IIC_DELAY, OV7725_COF_IIC_SCL, OV7725_COF_IIC_SDA);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_COM7, 0x80); // 复位摄像头
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system_delay_ms(50);
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do
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{
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ov7725_idcode = soft_iic_sccb_read_register(&ov7725_iic_struct, OV7725_VER);
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if(OV7725_ID != ov7725_idcode)
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{
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return_state = 1; // 校验摄像头ID号
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break;
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}
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// ID号确认无误 然后配置寄存器
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_COM4 , 0xC1);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_CLKRC , 0x01);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_COM2 , 0x03);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_COM3 , 0xD0);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_COM7 , 0x40);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_COM8 , 0xCE); // 0xCE:关闭自动曝光 0xCF：开启自动曝光
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_HSTART , 0x3F);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_HSIZE , 0x50);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_VSTRT , 0x03);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_VSIZE , 0x78);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_HREF , 0x00);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_SCAL0 , 0x0A);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_AWB_Ctrl0 , 0xE0);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_DSPAuto , 0xff);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_DSP_Ctrl2 , 0x0C);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_DSP_Ctrl3 , 0x00);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_DSP_Ctrl4 , 0x00);
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if(OV7725_W == 80)
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{
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_HOutSize, 0x14);
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}
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else if(OV7725_W == 160)
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{
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_HOutSize, 0x28);
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}
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else if(OV7725_W == 240)
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{
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_HOutSize, 0x3c);
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}
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else if(OV7725_W == 320)
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{
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_HOutSize, 0x50);
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}
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if(OV7725_H == 60)
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{
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_VOutSize, 0x1E);
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}
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else if(OV7725_H == 120)
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{
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_VOutSize, 0x3c);
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}
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else if(OV7725_H == 180)
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{
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_VOutSize, 0x5a);
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}
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else if(OV7725_H == 240)
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{
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_VOutSize, 0x78);
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}
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_REG28 , 0x01);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_EXHCH , 0x10);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_EXHCL , 0x1F);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM1 , 0x0c);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM2 , 0x16);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM3 , 0x2a);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM4 , 0x4e);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM5 , 0x61);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM6 , 0x6f);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM7 , 0x7b);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM8 , 0x86);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM9 , 0x8e);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM10 , 0x97);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM11 , 0xa4);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM12 , 0xaf);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM13 , 0xc5);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM14 , 0xd7);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_GAM15 , 0xe8);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_SLOP , 0x20);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_LC_RADI , 0x00);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_LC_COEF , 0x13);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_LC_XC , 0x08);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_LC_COEFB , 0x14);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_LC_COEFR , 0x17);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_LC_CTR , 0x05);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_BDBase , 0x99);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_BDMStep , 0x03);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_SDE , 0x04);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_BRIGHT , 0x00);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_CNST , 0x40);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_SIGN , 0x06);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_UVADJ0 , 0x11);
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soft_iic_sccb_write_register(&ov7725_iic_struct, OV7725_UVADJ1 , 0x02);
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}while(0);
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return return_state;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 小钻风摄像头串口通信回调
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// 参数说明 void
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// 返回参数 void
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// 使用示例 ov7725_uart_callback();
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//-------------------------------------------------------------------------------------------------------------------
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static void ov7725_uart_handler (void)
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{
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uint8 data = 0;
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uart_query_byte(OV7725_COF_UART, &data);
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if(0xA5 == data)
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{
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fifo_clear(&camera_receiver_fifo);
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}
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fifo_write_element(&camera_receiver_fifo, data);
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 小钻风摄像头场中断
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// 参数说明 void
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// 返回参数 void
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// 使用示例 ov7725_vsync_handler();
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//-------------------------------------------------------------------------------------------------------------------
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static void ov7725_vsync_handler(void)
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{
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exti_flag_clear(OV7725_VSYNC_PIN);
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ov7725_dma_int_num = 0;
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if((ov7725_uart_dma_init_flag || ov7725_lost_flag) && camera_type == CAMERA_BIN_UART)
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{
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ov7725_uart_dma_init_flag = 0;
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IfxDma_resetChannel(&MODULE_DMA, OV7725_DMA_CH);
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ov7725_link_list_num = dma_init(OV7725_DMA_CH,
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OV7725_DATA_ADD,
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ov7725_image_binary[0],
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OV7725_PCLK_PIN,
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EXTI_TRIGGER_RISING,
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OV7725_IMAGE_SIZE);
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dma_enable(OV7725_DMA_CH);
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}
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else
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{
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if(ov7725_link_list_num == 1)
|
||
{
|
||
dma_set_destination(OV7725_DMA_CH, ov7725_image_binary[0]);
|
||
}
|
||
dma_enable(OV7725_DMA_CH);
|
||
}
|
||
ov7725_lost_flag = 1;
|
||
}
|
||
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
// 函数简介 小钻风摄像头DMA完成中断
|
||
// 参数说明 void
|
||
// 返回参数 void
|
||
// 使用示例 ov7725_dma_handler();
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
static void ov7725_dma_handler(void)
|
||
{
|
||
clear_dma_flag(OV7725_DMA_CH);
|
||
if(IfxDma_getChannelTransactionRequestLost(&MODULE_DMA, OV7725_DMA_CH))
|
||
{//图像有错位
|
||
ov7725_finish_flag = 0;
|
||
dma_disable(OV7725_DMA_CH);
|
||
IfxDma_clearChannelTransactionRequestLost(&MODULE_DMA, OV7725_DMA_CH);
|
||
ov7725_uart_dma_init_flag = 1;
|
||
}
|
||
else
|
||
{
|
||
ov7725_dma_int_num++;
|
||
if(ov7725_dma_int_num >= ov7725_link_list_num)
|
||
{
|
||
ov7725_dma_int_num = 0;
|
||
ov7725_lost_flag = 0;
|
||
ov7725_finish_flag = 1;
|
||
dma_disable(OV7725_DMA_CH);
|
||
}
|
||
}
|
||
}
|
||
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
// 函数简介 获取摄像头固件 ID
|
||
// 参数说明 void
|
||
// 返回参数 void
|
||
// 使用示例 ov7725_uart_get_id(); // 调用该函数前请先初始化串口
|
||
// 备注信息
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
uint16 ov7725_uart_get_id (void)
|
||
{
|
||
uint16 temp = 0;
|
||
uint8 uart_buffer[4];
|
||
uint16 timeout_count = 0;
|
||
uint16 return_value = 0;
|
||
uint32 uart_buffer_index = 0;
|
||
|
||
uart_buffer[0] = 0xA5;
|
||
uart_buffer[1] = OV7725_GET_WHO_AM_I;
|
||
temp = 0;
|
||
uart_buffer[2] = temp >> 8;
|
||
uart_buffer[3] = (uint8)temp;
|
||
|
||
uart_write_buffer(OV7725_COF_UART, uart_buffer, 4);
|
||
|
||
temp = 0;
|
||
|
||
do
|
||
{
|
||
if(3 <= fifo_used(&camera_receiver_fifo))
|
||
{
|
||
uart_buffer_index = 3;
|
||
fifo_read_buffer(&camera_receiver_fifo, uart_buffer, &uart_buffer_index, FIFO_READ_AND_CLEAN);
|
||
return_value = uart_buffer[1] << 8 | uart_buffer[2];
|
||
break;
|
||
}
|
||
system_delay_ms(1);
|
||
}while(OV7725_INIT_TIMEOUT > timeout_count ++);
|
||
return return_value;
|
||
}
|
||
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
// 函数简介 获取摄像头固件版本
|
||
// 参数说明 void
|
||
// 返回参数 void
|
||
// 使用示例 ov7725_get_version(); // 调用该函数前请先初始化串口
|
||
// 备注信息
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
uint16 ov7725_get_version (void)
|
||
{
|
||
uint16 temp = 0;
|
||
uint8 uart_buffer[4];
|
||
uint16 timeout_count = 0;
|
||
uint16 return_value = 0;
|
||
uint32 uart_buffer_index = 0;
|
||
|
||
uart_buffer[0] = 0xA5;
|
||
uart_buffer[1] = OV7725_GET_STATUS;
|
||
temp = OV7725_GET_VERSION;
|
||
uart_buffer[2] = temp >> 8;
|
||
uart_buffer[3] = (uint8)temp;
|
||
|
||
uart_write_buffer(OV7725_COF_UART, uart_buffer, 4);
|
||
|
||
do
|
||
{
|
||
if(3 <= fifo_used(&camera_receiver_fifo))
|
||
{
|
||
uart_buffer_index = 3;
|
||
fifo_read_buffer(&camera_receiver_fifo, uart_buffer, &uart_buffer_index, FIFO_READ_AND_CLEAN);
|
||
return_value = uart_buffer[1] << 8 | uart_buffer[2];
|
||
break;
|
||
}
|
||
system_delay_ms(1);
|
||
}while(OV7725_INIT_TIMEOUT > timeout_count ++);
|
||
return return_value;
|
||
}
|
||
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
// 函数简介 OV7725 摄像头初始化
|
||
// 参数说明 NULL
|
||
// 返回参数 void
|
||
// 使用示例 ov7725_init();
|
||
// 备注信息
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
uint8 ov7725_init (void)
|
||
{
|
||
uint16 out_time = 0;
|
||
uint8 return_state = 0;
|
||
|
||
gpio_init(OV7725_VSYNC_PORT_PIN, GPI, GPIO_LOW, GPI_FLOATING_IN);
|
||
do
|
||
{
|
||
while(0 == gpio_get_level(OV7725_VSYNC_PORT_PIN))
|
||
{
|
||
system_delay_ms(1);
|
||
out_time ++;
|
||
if(OV7725_INIT_TIMEOUT < out_time)
|
||
{
|
||
// 如果程序在输出了断言信息 并且提示出错位置在这里
|
||
// 那大概率没有正确连接小钻风摄像头
|
||
// 检查一下接线和供电有没有问题 如果没问题可能就是坏了
|
||
zf_log(0, "OV7725 check error.");
|
||
return_state = 1;
|
||
break;
|
||
}
|
||
}
|
||
|
||
set_camera_type(CAMERA_BIN_UART, ov7725_vsync_handler, ov7725_dma_handler, ov7725_uart_handler);
|
||
camera_fifo_init();
|
||
|
||
uart_init(OV7725_COF_UART, OV7725_COF_BAUR, OV7725_COF_UART_RX, OV7725_COF_UART_TX);
|
||
uart_rx_interrupt(OV7725_COF_UART, 1);
|
||
system_delay_ms(200);
|
||
|
||
// 获取所有参数
|
||
if(ov7725_get_config(ov7725_get_confing_buffer))
|
||
{
|
||
uart_rx_interrupt(OV7725_COF_UART, 0);
|
||
system_delay_ms(200);
|
||
set_camera_type(CAMERA_BIN_IIC, ov7725_vsync_handler, ov7725_dma_handler, NULL); // 设置连接摄像头类型
|
||
if(ov7725_iic_init())
|
||
{
|
||
zf_log(0, "OV7725 IIC error.");
|
||
set_camera_type(NO_CAMERE, NULL, NULL, NULL);
|
||
return_state = 1;
|
||
zf_log(0, "ov7725 set config error.");
|
||
break;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
// 设置所有参数
|
||
if(ov7725_set_config(ov7725_set_confing_buffer))
|
||
{
|
||
// 如果程序在输出了断言信息 并且提示出错位置在这里
|
||
// 那么就是串口通信出错并超时退出了
|
||
// 检查一下接线有没有问题 如果没问题可能就是坏了
|
||
zf_log(0, "OV7725 set confing error.");
|
||
uart_rx_interrupt(OV7725_COF_UART, 0);
|
||
set_camera_type(NO_CAMERE, NULL, NULL, NULL);
|
||
return_state = 1;
|
||
break;
|
||
}
|
||
// 获取所有参数
|
||
if(ov7725_get_config(ov7725_get_confing_buffer))
|
||
{
|
||
// 如果程序在输出了断言信息 并且提示出错位置在这里
|
||
// 那么就是串口通信出错并超时退出了
|
||
// 检查一下接线有没有问题 如果没问题可能就是坏了
|
||
zf_log(0, "OV7725 get confing error.");
|
||
uart_rx_interrupt(OV7725_COF_UART, 0);
|
||
set_camera_type(NO_CAMERE, NULL, NULL, NULL);
|
||
return_state = 1;
|
||
break;
|
||
}
|
||
}
|
||
ov7725_link_list_num = camera_init(OV7725_DATA_ADD, ov7725_image_binary[0], OV7725_IMAGE_SIZE);
|
||
}while(0);
|
||
return return_state;
|
||
}
|
||
|
||
|
||
|
||
|