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BSD-3-Clause

F7_SWD_Debugger

介绍

DAP下载器,高速USB2.0,Winusb版本,带虚拟串口。

组成

1.带一个OLDE屏幕显示状态 2.使用的主控为STM32F730R8 外接高速PHY usb库使用的是HAL库 3.此固件使用了外部qflash, 16KB的ITCM代码也存放在外部qflash中。 4.将该固件下载到单片机时,需要选择对应的下载算法(源码包含外部flash下载算法的源码) 内部flash的下载算法全部使用TCM的(起始地址0x0020000的那个) 5.qflash需要预先烧录字库文件,下载到0x90800000处,可用使用ST-Utility下载,下载时需要选择外部flash的下载算法(当然这个需要stlink下载, 不知道dap下载器有没有类似的下载工具)

速度测试

测试条件:100K的固件(其中50K在外部qspiflash) 目标芯片STM32H750VBT 下载器开启固定速度模式[SWCLK两个跳变沿之间使用 4个nop延时 (再少就RDDI错误了)]

---耗时:2.6s

即使关闭固定速度模式(此时SWCLK速度受到keil设置的控制),速度设置为5MHz,耗时变为:2.9s。速度设置为2MHz,耗时变为3.2s

换为 STLINK-V2.1 下载,4MHz,耗时为6.9s STLINK慢了两倍还多。

2021年8月22日更新:添加JTAG支持

BSD 3-Clause License Copyright (c) 2021, 0x9DEFA478 All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

简介

DAP下载器,高速USB2.0,Winusb版本,带虚拟串口。 展开 收起
C 等 3 种语言
BSD-3-Clause
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