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mcho.19
Associate II
since ‎2018-08-16
‎2023-06-14

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  • 11 Posts
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User Activity

How to Manually Use DMA for USB Device

2022-08-17
I made a High Speed ​​USB DEVICE using USB PHY with STM32F207.When delivering data to the HOST, there are small-sized data (less than 512bytes) and large-sized data (more than 1Mbytes).At this time, I want to transfer small-sized data without using D...

How do I transfer data over 0x80000 from USB DEVICE?

2022-08-17
I made a High Speed USB DEVICE using USB PHY with STM32F207.A data transmission test to the host is in progress, and transmission is possible up to the size of 0x7FFFF, but it cannot transmit more than that.When referring to stm32f2xx_ll_usb.c, the m...

HardFault exception problem

2018-10-23
I make boot loader for jump to 0x08020000And, I make program that start from 0x08020000, also same vector table address(0x08020000)It works well, but sometimes(when program modified), it doesn't workI use debugger, and get result below//Fault excepti...

Program does not start with my bootloader in some case

2018-10-22
I am making a program with a board made by my companyIt is a board using STM32F207​I made a boot loader and decided to jump to 0x08020000 when it startedThen, I made a program and set the vector table to 0x08020000So the program works well​However, i...
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