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bh1750 sensor i2c poll method working fine but i2c DMA method not working with attached code . will DMA only transfer the value to global variable ?

  #include "newblue_bh1750.h"     I2C_HandleTypeDef *bh1750_i2c; // Handler to I2C interface   bh1750_mode Bh1750_Mode; // Current sensor mode uint8_t Bh1750_Mtreg; // Current MT register value   void BH1750_Init(I2C_HandleTypeDef *hi2c) { bh1...

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MMARI.1 by Senior
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12 one time pulse timer ?

Hello !I need to create 12 (separately triggered pulse trains for thristors) one time pulse timers. (one pulse train consists of approx 10 pulses with approx 10us wide) Many stm32s only have 2 or 3 timers with RCR ( one pulse timer with repetition c...

OYoru.1 by Associate II
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  • 1 replies
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Resolved! DFU STMProgrammer issue

I use CLI for flash F469 and same hex file flashed over SWD without error produce over DFU this. is this know issue ? Seems code is ok after both loads.

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MM..1 by Chief III
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Resolved! How to remove autogenerated code generated by MxCube?

I have used MxCube to enable an ISR that is triggered from an external GPIO input pin. MxCube enables this ISR from the autogenerated MX_GPIO_Init() function by calling HAL_NVIC_EnableIRQ(EXTI15_10_IRQn); at the very end of this function. I don't wan...

MFolk.1 by Senior
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How do I use timer 7 on an STM32L433 to time an event?

I am trying to use timer7 to give me the number of counts when an event occurs.  I could not get this to work, and wrote some test code to show the issue.This test code should set the initial count to zero, then fill an array with 10 timer values as ...

JMala.3 by Associate III
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  • 2 replies
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