645 lines
29 KiB
C
645 lines
29 KiB
C
/*********************************************************************************************************************
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* CH32V307VCT6 Opensourec Library 即（CH32V307VCT6 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CH32V307VCT6 开源库的一部分
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*
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* CH32V307VCT6 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_scc8660_dvp_dvp
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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 MounRiver Studio V1.8.1
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* 适用平台 CH32V307VCT6
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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 大W 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 查看 zf_device_scc8660_dvp.h 中 SCC8660_COF_UART_TX 宏定义
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* RXD 查看 zf_device_scc8660_dvp.h 中 SCC8660_COF_UART_RX 宏定义
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* D0 查看 zf_device_scc8660_dvp.h 中 SCC8660_D0_PIN 宏定义
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* D1 查看 zf_device_scc8660_dvp.h 中 SCC8660_D1_PIN 宏定义
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* D2 查看 zf_device_scc8660_dvp.h 中 SCC8660_D2_PIN 宏定义
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* D3 查看 zf_device_scc8660_dvp.h 中 SCC8660_D3_PIN 宏定义
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* D4 查看 zf_device_scc8660_dvp.h 中 SCC8660_D4_PIN 宏定义
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* D5 查看 zf_device_scc8660_dvp.h 中 SCC8660_D5_PIN 宏定义
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* D6 查看 zf_device_scc8660_dvp.h 中 SCC8660_D6_PIN 宏定义
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* D7 查看 zf_device_scc8660_dvp.h 中 SCC8660_D7_PIN 宏定义
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* PCLK 查看 zf_device_scc8660_dvp.h 中 SCC8660_PCLK_PIN 宏定义
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* VSYNC 查看 zf_device_scc8660_dvp.h 中 SCC8660_VSY_PIN 宏定义
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* HSYNC 查看 zf_device_scc8660_dvp.h 中 SCC8660_HERF_PIN 宏定义
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* ------------------------------------
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********************************************************************************************************************/
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#include "zf_device_type.h"
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#include "zf_device_camera.h"
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#include "zf_device_config.h"
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#include "zf_driver_dvp.h"
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#include "zf_driver_delay.h"
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#include "zf_driver_soft_iic.h"
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#include "zf_device_scc8660_dvp.h"
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vuint8 scc8660_finish_flag = 0; // 一场图像采集完成标志位
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__attribute__((aligned(4))) uint16 scc8660_image[SCC8660_H][SCC8660_W];
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static fifo_struct *camera_receiver_fifo;
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static scc8660_type_enum scc8660_type;
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 配置摄像头内部配置信息 内部调用
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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(scc8660_set_config(scc8660_set_confing_buffer)){}
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// 备注信息 调用该函数前请先初始化串口
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 scc8660_set_config (const int16 buff[SCC8660_CONFIG_FINISH][2])
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{
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uint8 uart_buffer[4];
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uint8 return_state = 0;
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// uint16 temp_value = 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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// 设置参数 具体请参看问题锦集手册
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// 开始配置摄像头并重新初始化
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for(loop_count = SCC8660_MANUAL_WB; SCC8660_SET_REG_DATA > loop_count; loop_count --)
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{
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uart_buffer[0] = 0xA5; // 帧头
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uart_buffer[1] = buff[loop_count][0]; // 指令
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// temp_value = buff[loop_count][1];
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uart_buffer[2] = buff[loop_count][1] >> 8; // 数据高低位
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uart_buffer[3] = (uint8)buff[loop_count][1]; // 数据高低位
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uart_write_buffer(SCC8660_COF_UART, uart_buffer, 4); // 数据通过串口发送
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system_delay_ms(2);
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}
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do
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{
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if(3 <= fifo_used(camera_receiver_fifo)) // 等待 FIFO 中存入三个数据
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{
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uart_buffer_index = 3; // 长度缓冲变量
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fifo_read_buffer(camera_receiver_fifo, // FIFO 指针
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uart_buffer, // 读取到指定缓冲
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&uart_buffer_index, // 长度缓冲
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FIFO_READ_AND_CLEAN); // 读取并清空操作
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if((0xff == uart_buffer[1]) || (0xff == uart_buffer[2])) // 判断是否回应的成功
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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(SCC8660_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 内部调用
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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(scc8660_get_config(scc8660_get_confing_buffer)){}
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// 备注信息 调用该函数前请先初始化串口
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 scc8660_get_config (int16 buff[SCC8660_CONFIG_FINISH-1][2])
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{
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int8 loop_count = 0;
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uint8 uart_buffer[4];
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uint8 return_state = 0;
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// uint16 temp_value = 0;
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uint16 timeout_count = 0;
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uint32 uart_buffer_index = 0;
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for(loop_count = SCC8660_MANUAL_WB - 1; 0 <= loop_count; loop_count --)
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{
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uart_buffer[0] = 0xA5; // 帧头
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uart_buffer[1] = SCC8660_GET_STATUS; // 获取指令
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// temp_value = buff[loop_count][0];
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uart_buffer[2] = buff[loop_count][0] >> 8; // 指令高低位
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uart_buffer[3] = (uint8)buff[loop_count][0]; // 指令高低位
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uart_write_buffer(SCC8660_COF_UART, uart_buffer, 4); // 数据通过串口发送
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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)) // 等待 FIFO 中存入三个数据
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{
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uart_buffer_index = 3; // 长度缓冲变量
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fifo_read_buffer(camera_receiver_fifo, // FIFO 指针
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uart_buffer, // 读取到指定缓冲
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&uart_buffer_index, // 长度缓冲
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FIFO_READ_AND_CLEAN); // 读取并清空操作
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buff[loop_count][1] = uart_buffer[1] << 8 | uart_buffer[2]; // 回读数据写入缓冲区
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break;
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}
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system_delay_ms(1);
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}while(SCC8660_INIT_TIMEOUT > timeout_count ++);
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if(SCC8660_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 获取摄像头 ID
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// 参数说明 void
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// 返回参数 uint16 0-版本号正确 N-版本号错误
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// 使用示例 scc8660_uart_check_id(); // 调用该函数前请先初始化串口
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 scc8660_uart_check_id (void)
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{
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uint8 uart_buffer[4];
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uint8 return_state = 1;
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uint16 timeout_count = 0;
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uint32 uart_buffer_index = 0;
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if(fifo_used(camera_receiver_fifo))
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{
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fifo_clear(camera_receiver_fifo);
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}
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uart_write_byte(SCC8660_COF_UART, 0xFF);
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uart_buffer[0] = 0xA5;
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uart_buffer[1] = SCC8660_GET_WHO_AM_I;
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uart_write_buffer(SCC8660_COF_UART, uart_buffer, 4);
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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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return_state = !(0x03 == 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(SCC8660_INIT_TIMEOUT > timeout_count ++);
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return return_state;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 SCC8660 通信串口回调函数
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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 scc8660_uart_handler();
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// 备注信息 通过 zf_device_type.c 的接口调用 用户在使用默认设置时不需要关心
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//-------------------------------------------------------------------------------------------------------------------
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static void scc8660_uart_handler (void)
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{
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uint8 data = 0;
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uart_query_byte(SCC8660_COF_UART, &data);
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if(NULL != camera_receiver_fifo)
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{
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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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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 SCC8660 场中断回调函数
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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 scc8660_vsync_handler();
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// 备注信息 通过 zf_device_type.c 的接口调用 用户在使用默认设置时不需要关心
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//-------------------------------------------------------------------------------------------------------------------
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static void scc8660_dvp_handler (void)
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{
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scc8660_finish_flag = 1; // 摄像头采集完成标志位置1
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 获取彩色摄像头固件版本 内部调用
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// 参数说明 void
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// 返回参数 uint16 版本号
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// 使用示例 scc8660_get_version(); // 调用该函数前请先初始化摄像头配置串口
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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uint16 scc8660_get_version (void)
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{
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uint8 uart_buffer[4];
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uint16 temp_value = 0;
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uint16 timeout_count = 0;
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uint16 return_value = 0;
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uint32 uart_buffer_index = 0;
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uart_buffer[0] = 0xA5;
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uart_buffer[1] = SCC8660_GET_STATUS;
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temp_value = SCC8660_GET_VERSION;
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uart_buffer[2] = temp_value >> 8;
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uart_buffer[3] = (uint8)temp_value;
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uart_write_buffer(SCC8660_COF_UART, uart_buffer, 4);
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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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return_value = 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(SCC8660_INIT_TIMEOUT > timeout_count ++);
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return return_value;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 单独设置图像亮度
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// 参数说明 data 需要设置的亮度值
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// 返回参数 uint8 1-失败 0-成功
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// 使用示例 scc8660_set_brightness(data); // 通过该函数设置的参数，不会被51单片机保存
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// 备注信息 调用该函数前请先初始化摄像头配置串口
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//-------------------------------------------------------------------------------------------------------------------
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uint8 scc8660_set_brightness (uint16 data)
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{
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uint8 uart_buffer[4];
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uint8 return_state = 0;
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uint16 temp_value = 0;
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uint16 timeout_count = 0;
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uint32 uart_buffer_index = 0;
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if(SCC8660_UART == scc8660_type)
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{
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do
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{
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uint8 *receiver_buffer = (uint8 *)malloc(SCC8660_COF_BUFFER_SIZE);
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if(NULL == receiver_buffer)
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{
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zf_log(0, "FIFO buffer malloc error.");
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return_state = 1;
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break;
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}
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camera_receiver_fifo = (fifo_struct *)malloc(sizeof(fifo_struct));
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if(NULL == camera_receiver_fifo)
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{
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zf_log(0, "FIFO malloc error.");
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free(receiver_buffer);
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return_state = 1;
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break;
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}
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fifo_init(camera_receiver_fifo, FIFO_DATA_8BIT, receiver_buffer, SCC8660_COF_BUFFER_SIZE);
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uart_buffer[0] = 0xA5;
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uart_buffer[1] = SCC8660_SET_BRIGHT;
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uart_buffer[2] = data >> 8;
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uart_buffer[3] = (uint8)data;
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uart_write_buffer(SCC8660_COF_UART, uart_buffer, 4);
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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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temp_value = 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(SCC8660_INIT_TIMEOUT > timeout_count ++);
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if((temp_value != data) || (SCC8660_INIT_TIMEOUT <= timeout_count))
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{
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return_state = 1;
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}
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if(NULL != receiver_buffer)
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{
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free(receiver_buffer);
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free(camera_receiver_fifo);
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camera_receiver_fifo = NULL;
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}
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}while(0);
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}
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else
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{
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return_state = scc8660_sccb_set_brightness(data);
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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 单独设置白平衡
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// 参数说明 data 需要设置的亮度值
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// 返回参数 uint8 1-失败 0-成功
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// 使用示例 scc8660_set_white_balance(data); // 调用该函数前请先初始化摄像头配置串口
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// 备注信息 通过该函数设置的参数，不会被51单片机保存
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//-------------------------------------------------------------------------------------------------------------------
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uint8 scc8660_set_white_balance (uint16 data)
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{
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uint8 uart_buffer[4];
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uint8 return_state = 0;
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uint16 temp_value = 0;
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uint16 timeout_count = 0;
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uint32 uart_buffer_index = 0;
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if(SCC8660_UART == scc8660_type)
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{
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do
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{
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uint8 *receiver_buffer = (uint8 *)malloc(SCC8660_COF_BUFFER_SIZE);
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if(NULL == receiver_buffer)
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{
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zf_log(0, "FIFO buffer malloc error.");
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return_state = 1;
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break;
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}
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camera_receiver_fifo = (fifo_struct *)malloc(sizeof(fifo_struct));
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if(NULL == camera_receiver_fifo)
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{
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zf_log(0, "FIFO malloc error.");
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free(receiver_buffer);
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return_state = 1;
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break;
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}
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fifo_init(camera_receiver_fifo, FIFO_DATA_8BIT, receiver_buffer, SCC8660_COF_BUFFER_SIZE);
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uart_buffer[0] = 0xA5;
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uart_buffer[1] = SCC8660_SET_MANUAL_WB;
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uart_buffer[2] = data >> 8;
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uart_buffer[3] = (uint8)data;
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uart_write_buffer(SCC8660_COF_UART, uart_buffer, 4);
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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);
|
||
temp_value = uart_buffer[1] << 8 | uart_buffer[2];
|
||
break;
|
||
}
|
||
system_delay_ms(1);
|
||
}while(SCC8660_INIT_TIMEOUT > timeout_count ++);
|
||
if((temp_value != data) || (SCC8660_INIT_TIMEOUT <= timeout_count))
|
||
{
|
||
return_state = 1;
|
||
}
|
||
if(NULL != receiver_buffer)
|
||
{
|
||
free(receiver_buffer);
|
||
free(camera_receiver_fifo);
|
||
camera_receiver_fifo = NULL;
|
||
}
|
||
}while(0);
|
||
}
|
||
else
|
||
{
|
||
return_state = scc8660_sccb_set_manual_wb(data);
|
||
}
|
||
return return_state;
|
||
}
|
||
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
// 函数简介 对摄像头内部寄存器进行写操作
|
||
// 参数说明 addr 摄像头内部寄存器地址
|
||
// 参数说明 data 需要写入的数据
|
||
// 返回参数 uint8 0-成功 1-失败 2-内存申请失败
|
||
// 使用示例 scc8660_set_reg(addr, data); // 调用该函数前请先初始化串口
|
||
// 备注信息
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
uint8 scc8660_set_reg (uint8 addr, uint16 data)
|
||
{
|
||
uint8 uart_buffer[4];
|
||
uint8 return_state = 0;
|
||
uint16 temp_value = 0;
|
||
uint16 timeout_count = 0;
|
||
uint32 uart_buffer_index = 0;
|
||
|
||
if(SCC8660_UART == scc8660_type)
|
||
{
|
||
do
|
||
{
|
||
uint8 *receiver_buffer = (uint8 *)malloc(SCC8660_COF_BUFFER_SIZE);
|
||
if(NULL == receiver_buffer)
|
||
{
|
||
return_state = 2;
|
||
break;
|
||
}
|
||
camera_receiver_fifo = (fifo_struct *)malloc(sizeof(fifo_struct));
|
||
if(NULL == camera_receiver_fifo)
|
||
{
|
||
free(receiver_buffer);
|
||
return_state = 2;
|
||
break;
|
||
}
|
||
fifo_init(camera_receiver_fifo, FIFO_DATA_8BIT, receiver_buffer, SCC8660_COF_BUFFER_SIZE);
|
||
|
||
uart_buffer[0] = 0xA5;
|
||
uart_buffer[1] = SCC8660_SET_REG_ADDR;
|
||
uart_buffer[2] = 0x00;
|
||
uart_buffer[3] = (uint8)addr;
|
||
uart_write_buffer(SCC8660_COF_UART, uart_buffer, 4);
|
||
|
||
system_delay_ms(10);
|
||
uart_buffer[0] = 0xA5;
|
||
uart_buffer[1] = SCC8660_SET_REG_DATA;
|
||
temp_value = data;
|
||
uart_buffer[2] = temp_value >> 8;
|
||
uart_buffer[3] = (uint8)temp_value;
|
||
uart_write_buffer(SCC8660_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);
|
||
temp_value = uart_buffer[1] << 8 | uart_buffer[2];
|
||
break;
|
||
}
|
||
system_delay_ms(1);
|
||
}while(SCC8660_INIT_TIMEOUT > timeout_count ++);
|
||
if((temp_value != data) || (SCC8660_INIT_TIMEOUT <= timeout_count))
|
||
{
|
||
return_state = 1;
|
||
}
|
||
if(NULL != receiver_buffer)
|
||
{
|
||
free(receiver_buffer);
|
||
free(camera_receiver_fifo);
|
||
camera_receiver_fifo = NULL;
|
||
}
|
||
}while(0);
|
||
}
|
||
else
|
||
{
|
||
return_state = scc8660_sccb_set_reg(addr, data);
|
||
}
|
||
return return_state;
|
||
}
|
||
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
// 函数简介 SCC8660 摄像头初始化
|
||
// 参数说明 void
|
||
// 返回参数 uint8 1-失败 0-成功
|
||
// 使用示例 scc8660_init();
|
||
// 备注信息
|
||
//-------------------------------------------------------------------------------------------------------------------
|
||
uint8 scc8660_init (void)
|
||
{
|
||
uint8 loop_count = 0;
|
||
uint8 return_state = 0;
|
||
uint8 *receiver_buffer = NULL;
|
||
soft_iic_info_struct scc8660_iic_struct;
|
||
|
||
const int16 scc8660_set_confing_buffer[SCC8660_CONFIG_FINISH][2]=
|
||
{
|
||
{SCC8660_INIT, 0}, // 摄像头开始初始化
|
||
|
||
{SCC8660_AUTO_EXP, SCC8660_AUTO_EXP_DEF}, // 自动曝光
|
||
{SCC8660_BRIGHT, SCC8660_BRIGHT_DEF}, // 亮度设置
|
||
{SCC8660_FPS, SCC8660_FPS_DEF}, // 图像帧率
|
||
{SCC8660_SET_COL, SCC8660_W}, // 图像列数
|
||
{SCC8660_SET_ROW, SCC8660_H}, // 图像行数
|
||
{SCC8660_PCLK_DIV, SCC8660_PCLK_DIV_DEF}, // PCLK分频系数
|
||
{SCC8660_PCLK_MODE, SCC8660_PCLK_MODE_DEF}, // PCLK模式
|
||
{SCC8660_COLOR_MODE, SCC8660_COLOR_MODE_DEF}, // 图像色彩模式
|
||
{SCC8660_DATA_FORMAT, SCC8660_DATA_FORMAT_DEF}, // 输出数据格式
|
||
{SCC8660_MANUAL_WB, SCC8660_MANUAL_WB_DEF} // 手动白平衡
|
||
};
|
||
int16 scc8660_get_confing_buffer[SCC8660_CONFIG_FINISH - 1][2]=
|
||
{
|
||
{SCC8660_AUTO_EXP, 0},
|
||
{SCC8660_BRIGHT, 0}, // 亮度设置
|
||
{SCC8660_FPS, 0}, // 图像帧率
|
||
{SCC8660_SET_COL, 0}, // 图像列数
|
||
{SCC8660_SET_ROW, 0}, // 图像行数
|
||
{SCC8660_PCLK_DIV, 0}, // PCLK分频系数
|
||
{SCC8660_PCLK_MODE, 0}, // PCLK模式
|
||
{SCC8660_COLOR_MODE, 0}, // 图像色彩模式
|
||
{SCC8660_DATA_FORMAT, 0}, // 输出数据格式
|
||
{SCC8660_MANUAL_WB, 0}, // 白平衡设置
|
||
};
|
||
|
||
do
|
||
{
|
||
scc8660_type = SCC8660_SCCB; // 先尝试 SCCB 方式通信
|
||
soft_iic_init(&scc8660_iic_struct, // 配置 SCCB
|
||
0, // 地址暂设为 0
|
||
SCC8660_COF_IIC_DELAY, // 时钟延迟
|
||
SCC8660_COF_IIC_SCL, // SCL 引脚
|
||
SCC8660_COF_IIC_SDA); // SDA 引脚
|
||
|
||
if(!scc8660_sccb_check_id(&scc8660_iic_struct)) // 尝试获取 ID
|
||
{
|
||
set_camera_type(CAMERA_COLOR, NULL, scc8660_dvp_handler);
|
||
return_state = scc8660_sccb_set_config(scc8660_set_confing_buffer); // 获取到 ID 则进行参数配置
|
||
}
|
||
else // 没有获取到 ID 则进入下一步
|
||
{
|
||
scc8660_type = SCC8660_UART; // 切换到 UART 方式通信
|
||
set_camera_type(CAMERA_COLOR, scc8660_uart_handler, scc8660_dvp_handler);
|
||
receiver_buffer = (uint8 *)malloc(SCC8660_COF_BUFFER_SIZE); // 申请串口通信用的缓冲区
|
||
if(NULL == receiver_buffer) // 堆空间不足
|
||
{
|
||
return_state = 2; // 异常码
|
||
break;
|
||
}
|
||
camera_receiver_fifo = (fifo_struct *)malloc(sizeof(fifo_struct)); // 申请 FIFO 对象空间
|
||
if(NULL == camera_receiver_fifo) // 堆空间不足
|
||
{
|
||
return_state = 2; // 异常码
|
||
break;
|
||
}
|
||
fifo_init(camera_receiver_fifo, // 用申请的空间配置 FIFO
|
||
FIFO_DATA_8BIT, // 数据位宽 8bit
|
||
receiver_buffer, // 指向申请来的缓冲区
|
||
SCC8660_COF_BUFFER_SIZE); // 缓冲区大小
|
||
|
||
// 初始换串口 配置摄像头
|
||
uart_init(SCC8660_COF_UART, // 指定 SCC8660 的串口号
|
||
SCC8660_COF_BAUR, // 通信波特率
|
||
SCC8660_COF_UART_RX, // 芯片 TX 摄像头模块 RX
|
||
SCC8660_COF_UART_TX); // 芯片 RX 摄像头模块 TX
|
||
uart_rx_interrupt(SCC8660_COF_UART, 1); // 开启接收中断
|
||
|
||
if(scc8660_uart_check_id()) // 通过 UART 获取摄像头的 ID
|
||
{
|
||
uart_rx_interrupt(SCC8660_COF_UART, 0); // 摄像头的类型 ID 不正确 关闭串口接收中断
|
||
return_state = 3; // 检查一下是不是选错摄像头了
|
||
break;
|
||
}
|
||
do
|
||
{
|
||
if(scc8660_set_config(scc8660_set_confing_buffer)) // 通过 UART 发送配置参数
|
||
{
|
||
uart_rx_interrupt(SCC8660_COF_UART, 0); // 串口通信出错并超时退出了 关闭串口接收中断
|
||
return_state = 1; // 检查一下接线有没有问题 如果没问题可能就是坏了
|
||
break;
|
||
}
|
||
if(scc8660_get_config(scc8660_get_confing_buffer)) // 通过 UART 回读配置参数 查看配置是否正确
|
||
{
|
||
uart_rx_interrupt(SCC8660_COF_UART, 0); // 串口通信出错并超时退出了 关闭串口接收中断
|
||
return_state = 1; // 检查一下接线有没有问题 如果没问题可能就是坏了
|
||
break;
|
||
}
|
||
// 对比发送缓冲检查数据 如果数据正确则配置成功
|
||
for(loop_count = 0; SCC8660_CONFIG_FINISH - 1 > loop_count; loop_count ++)
|
||
{
|
||
if( scc8660_set_confing_buffer[loop_count + 1][0] != scc8660_get_confing_buffer[loop_count][0] ||
|
||
scc8660_set_confing_buffer[loop_count + 1][1] != scc8660_get_confing_buffer[loop_count][1])
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
return_state = (SCC8660_CONFIG_FINISH - 1 == loop_count) ? 0 : 1;
|
||
}while(0);
|
||
}
|
||
if(!return_state)
|
||
{
|
||
// DVP引脚初始化
|
||
dvp_gpio_init(
|
||
SCC8660_D0_PIN, SCC8660_D1_PIN, SCC8660_D2_PIN, SCC8660_D3_PIN,
|
||
SCC8660_D4_PIN, SCC8660_D5_PIN, SCC8660_D6_PIN, SCC8660_D7_PIN,
|
||
SCC8660_PCLK_PIN, SCC8660_VSY_PIN, SCC8660_HERF_PIN);
|
||
|
||
// DVP接口初始化
|
||
dvp_camera_init((uint32 *)&scc8660_image[0], (uint32 *)&scc8660_image[0], SCC8660_IMAGE_SIZE, SCC8660_H);
|
||
break;
|
||
}
|
||
set_camera_type(NO_CAMERE, NULL, NULL);
|
||
}while(0);
|
||
|
||
free(receiver_buffer); // 释放缓冲器内存
|
||
free(camera_receiver_fifo); // 释放 FIFO 内存
|
||
camera_receiver_fifo = NULL; // FIFO 指针指向 NULL
|
||
return return_state;
|
||
}
|