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STM32F103 BluePill (dap42 CMSIS-DAPv2) detects, but cannot connect to target STM32F303: "Error connecting DP: cannot read IDR"

Status: Open.

#32 In devanlai/dap42;

· ShreyAcharya opened on Feb 11, 2026

Help getting it to work on a CH32F103C8T6 board

Status: Open.

#30 In devanlai/dap42;

· rocwhite168 opened on Aug 28, 2025

UART RX DMA not working

Status: Open.

#28 In devanlai/dap42;

· xobs opened on Jul 3, 2025

Unable to flash Blue Pill

Status: Open.

#13 In devanlai/dap42;

· Wosamarak opened on Apr 17, 2021

Using 4 pin front header on Blue Pill

Status: Open.

#12 In devanlai/dap42;

· verjus opened on Jan 31, 2021

[FR] add JTAG support for STM32F103

Status: Open.

#8 In devanlai/dap42;

· ildar opened on Sep 12, 2019

Adding full JTAG: what does this mean?

Status: Open.

#7 In devanlai/dap42;

· xcvista opened on Nov 21, 2018

Implement USB CDC control lines (RTS, DTR)

Status: Open.

#3 In devanlai/dap42;

· kaofishy opened on Apr 24, 2017