GigaDevice Semiconductor GD-Link Adapter Bedienungsanleitung

GigaDevice Semiconductor Inc.

GD-Link Adapter

User Guide

Revision 2.4

(May. 2022)

GD-Link Adapter User Guide

Table of Contents

Table of Contents...........................................................................................................2

List of Figures ................................................................................................................3

List of Tables..................................................................................................................4

1. Introduction...........................................................................................................5

2. Interactive mode and hardware connection.......................................................5

2.1. Buttons and LED ......................................................................................................... 5

2.2. Connecting GD-Link adapter with target board......................................................... 6

3. Offline programming ............................................................................................6

3.1. Tool download............................................................................................................. 6

3.2. Update user code ........................................................................................................ 6

3.3. Update firmware ........................................................................................................ 10

3.3.1. Update prompt type 1 ........................................................................................................... 10

3.3.2. Update prompt type 2 ........................................................................................................... 13

3.4. Auto-load signal introduction................................................................................... 15

4. Programming in IDE ...........................................................................................16

4.1. In Keil (Version 5.26 above) for programming......................................................... 16

4.2. In IAR (Version 8.32 above) for programming ......................................................... 18

5. Revision history..................................................................................................21

GD-Link Adapter User Guide

List of Figures

Figure 2-1. GD-Link adapter hardware............................................................................................... 5

Figure 2-2. Schematic diagram of GD-Link adapter ......................................................................... 6

Figure 3-1. GD-Link adapter offline download configuration.......................................................... 7

Figure 3-2. Choose the GD MCU model............................................................................................. 7

Figure 3-3. Load the bin file ................................................................................................................ 8

Figure 3-4. Fill in the address ............................................................................................................. 8

Figure 3-5. Configure option byte ...................................................................................................... 9

Figure 3-6. Updata bin file................................................................................................................... 9

Figure 3-7. GD-Link adapter update file finished............................................................................ 10

Figure 3-8. GD-Link adapter update firmware situation 1 figure 1................................................ 10

Figure 3-9. GD-Link adapter update firmware situation 1 figure 2.................................................11

Figure 3-10. GD-Link adapter update firmware situation 1 figure 3...............................................11

Figure 3-11. GD-Link adapter update firmware situation 1 figure 4.............................................. 12

Figure 3-12. GD-Link adapter update firmware situation 1 figure 5.............................................. 12

Figure 3-13. GD-Link adapter update firmware situation 1 figure 6.............................................. 13

Figure 3-14. GD-Link adapter update firmware situation 2 figure 1.............................................. 13

Figure 3-15. GD-Link adapter update firmware situation 2 figure 2.............................................. 14

Figure 3-16. GD-Link adapter update firmware situation 2 figure 3.............................................. 14

Figure 3-17. Schematic diagram of GD-Link auto load signals..................................................... 15

Figure 4-1. Debug settings in Keil.................................................................................................... 16

Figure 4-2. JTAG/SWD Port selection in Keil .................................................................................. 17

Figure 4-3. Flash programming algorithm selection in Keil .......................................................... 18

Figure 4-4. Project Options in IAR.................................................................................................... 19

Figure 4-5. Debugger settings in IAR............................................................................................... 20

Figure 4-6. Interface selection in IAR............................................................................................... 20

GD-Link Adapter User Guide

List of Tables

Table 2-1. The working status of GD-Link adapter represented by different LEDs ...................... 5

Table 2-2. Pin function of GD-Link adapter....................................................................................... 6

Table 5-1. Revision history................................................................................................................ 21

GD-Link Adapter User Guide

1. Introduction

GD-Link adapter is a three-in-one multi-function development tool for GD32 series of MCUs.

It provides CMSIS-DAP debugger port with JTAG/SWD interface. User can use GD-Link

adapter for online programming or debugging code in compatible IDE such as Keil or IAR.

Another important function is offline programming.

The objective of this user guide is to describe how to use GD-Link adapter to achieve the

above function.

2. Interactive mode and hardware connection

2.1. Buttons and LED

There are a button KEY1 and 4 LEDs on GD-Link. The button KEY1 is used for firmware

upgrade and offline programming. The LEDs are used to display the working status of GD-

Link. The Figure 2-1. GD-Link adapter hardware shows the position of KEY1 and LEDs on

GD-Link. Table 2-1. The working status of GD-Link adapter represented by different

LEDs briefly describes GD-Link working status indicated by each LED status. The specific

meaning of the LED status and the use of the button will be described in detail in the following

chapters.

Figure 2-1. GD-Link adapter hardware

Table 2-1. The working status of GD-Link adapter represented by different LEDs

LED

LED status

GD-Link working status

LED1

always bright

offline programming successful

flashing

offline programming

LED2

always bright

firmware upgrade status

flashing fast

USB connection successful

flashing slow

USB not connected

LED3

always bright

firmware upgrade status

GD-Link Adapter User Guide

LED

LED status

GD-Link working status

LED4

always bright

power supply is normal

2.2. Connecting GD-Link adapter with target board

The Figure 2-2. Schematic diagram of GD-Link adapter and Table 2-2. Pin function of

GD-Link adapter shows the electrical connection relationship between GD-Link adapter and

SWD interface of the target board, according to the information, connect GD-Link adapter

with target board via DuPont lines or other connecting wires.

Note: It is recommended that the length of the DuPont lines not exceed 10cm.

Figure 2-2. Schematic diagram of GD-Link adapter

Table 2-2. Pin function of GD-Link adapter

GD-Link

Target Board(SWD)

Target Board(JTAG)

+3V3

GND

TMS/IO

JTMS/SWDIO(PA13)

TCK/CLK

JTCK/SWCLK(PA14)

TDO/SWO

---

JTDO(PB3)

TDI

---

JTDI(PA15)

TReset

NRST

3. Offline programming

3.1. Tool download

When using the GD-Link offline programming function, please download the latest version of

the PC tool GigaDevice GD-Link Programmer from the website

https://www.gd32mcu.com/cn/download/7?kw= and perform the following operations.

3.2. Update user code

Plug GD-Link adapter into PC USB connector, LED4 will turn on, which indicates that GD-

GD-Link Adapter User Guide

Link is powered on normally. LED2 will flash faster when GD-Link communication with PC

correctly, and GD-Link will be enumerated as HID by PC, it indicates that GD-Link is working

normally.

First configure the offline download file, open GD-Link Programmer software, click tool menu

“GD-Link->Configuration”.

1. Configure whether to add read protection to the target chip after downloading code.

2. Select erase mode, page erase or chip erase.

3. Set the maximum number of programming.

Figure 3-1. GD-Link adapter offline download configuration

Then select the file to download, click tool menu “GD-Link->Upadata file”, and choose a

specific GD MCU model.

Figure 3-2. Choose the GD MCU model

GD-Link Adapter User Guide

Next, click “Add”label and load the bin file, fill in the address of the target mcu to be

downloaded in the pop-up interface box. In this process, user can add multiple bin files

(supports up to eight files) at the same time and download them to different address ranges

of the target MCU.

Figure 3-3. Load the bin file

Figure 3-4. Fill in the address

If the MCU selection is the GD32W515 series chip, it will also support option bytes

configuration. The user can configure the option bytes of the target MCU through this interface.

If the configuration is completed, click “OK” lable.

GD-Link Adapter User Guide

Figure 3-5. Configure option byte

After adding the bin file and configuring option bytes, click lable menu “Update”and "Yes" to

update user code.

Figure 3-6. Updata bin file

GD-Link Adapter User Guide

Figure 3-7. GD-Link adapter update file finished

Complete the above steps correctly, presses button KEY1, then LED1 will flash at the moment,

it indicates that the GD-Link adapter is downloading the user code to target board.

If the user code is downloaded to the target board correctly, the buzzer will sound and at the

same time, LED1 will stop flashing and turn on normally.

3.3. Update firmware

When updating the firmware using the new version of the GD-Link Programmer, click tool

menu “GD-Link->Updata Firmware” first. There are two specific situations, please follow the

instructions of GD-Link Programmer to upgrade the firmware.

3.3.1. Update prompt type 1

1. When the GD-Link Programmer prompts that GD-Link needs to be powered off, click OK.

The prompt interface is shown in Figure 3-8. GD-Link adapter update firmware

situation 1 figure 1.

2. Then long press KEY1 to power on, when LED3 is always on, release the button KEK1,

and click the tool menu "GD-Link->Updata Firmware" to update again. The prompt

interface is shown in Figure 3-9. GD-Link adapter update firmware situation 1 figure

Figure 3-8. GD-Link adapter update firmware situation 1 figure 1

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