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mattb3.14159
Associate III
since ‎2019-07-22
‎2023-06-14

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  • 16 Posts
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STM32F103 SPI DMA slave mode sends first byte twice

2020-06-11
I have an STM32F103 configured in slave mode using NSS for slave select and using DMA. I'm using 8 bit mode. When the master starts clocking the STM32F103 it always shifts out the first byte in the buffer twice. So rather than seeing 0xF0, 0xF1, 0xF2...

30 second timeout whilst programming external device with custom external loader in STM32CubeProgrammer

2019-10-24
I have written an external loader for a device connected to my STM32F103 and I have debugged it and it works for the most part. Init(), Erase(), SectorErase(), Read() and Write() are all working ok, except when trying to program a large file. My exte...

ST-Link custom external loader Write() function not found

2019-10-15
I wrote an ST-Link custom external loader with Init(), Read(), Write(), MassErase(), and SectorErase(). When loading into ST-Link Utility, there is no Write() function found. It is in the map file, it does have a non-zero size and the name is not man...

TI3 and TI4 mapping on input capture

2019-07-22
I'm just setting up the input capture on timer 2, input capture 4. On page 411 of the reference manual for the CCMR2 register and the CC4S bits, it states "01: CC4 channel is configured as input, IC4 is mapped on TI4 10: CC4 channel is configured as ...
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