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GR551x Developer Guide

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Rev.2.7

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Documentation > GR551x Developer Guide/ Development and Debugging with GR551x SDK in Keil/ Generating Firmware Copy URL

Generating Firmware

After building a Bluetooth LE application, you can directly click Build on the Keil toolbar to build a project. After the project is built, the following firmware files are generated in Keil_5\Listings and Keil_5\Objects respectively in the project directory. Both of the firmware files can be downloaded to a GR551x SoC via GProgrammer. For details, see GProgrammer User Manual. The ble_app_example.hex file can be downloaded to a GR551x SoC via Keil MDK.

Table 11 Generated firmware
Name	Description
ble_app_example.bin	Binary application firmware; can be downloaded to an SoC through GProgrammer
ble_app_example.hex	Hexadecimal application firmware; can be downloaded to an SoC through GProgrammer or Keil MDK

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