I am starting with stm32f407 Discovery board . I am trying to program it through IAR toolchain,From where should I start please suggest me.
you can go to this page and to download the firmware package alone and as optional, the STM32Cube to produce initialization code for IAR EWARM.
Hello GULFAN AHAMAD ,
Try to start from a working example available in the STM32F4 standard peripheral package or STM32CubeF4 and you may update the example according to your needs.
You have a list of "Getting started" documents in this page that may help you.
Also, you can use STM32CubeMX tool to build your project and generate an initialization code with easy configuration.
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