About MHank.1

MHank.1 · 2023-12-15

I'm attempting to set the clock to PLL on the board mentioned and view the output on MCO2. This is some of the defines I use #define REG_SET_BIT(reg,pos) ((reg) |= (1U << (pos))) #define REG_CLR_BIT(reg,pos) ((reg) &= ~(1U << (pos))) ...

MHank.1 · 2023-04-10

I have a working, basic SPI transmit working with DMA. It transmits 20 characters in loopback mode and is working as it should. The GPIO Pins are set up correctly.SPI Configuration;void SPIInit() { RCC->APB2ENR |= RCC_APB2ENR_SPI1EN; // Master SP...

MHank.1 · 2023-03-29

[Update]Seems you can't mix C and C++ files easily, so I converted the main file to C and everything works fine. [/update]I am attempting to do what I thought would be a simple pin change interrupt on PB0.I set up the pin change in HAL and it works, ...

MHank.1 · 2023-03-02

I'm attempting to do a simple Input Capture using Timer1. I thought as a start I would generate a single 200uS pulse using a Signal Generator and use Timer1 to detect it. I can't seem to get the capture to work no matter what I do.I tried using HAL a...

MHank.1 · 2023-02-26

The code below links Timer1 in master mode to Timer3 in slave mode producing a 4 second toggle on PB8 and it works correctly.My question is I'm not able to follow the flow of the signal in the Timer chart below the code.If someone would show me the s...

MHank.1 · 2024-09-16

You haven't stated the frequencies you require but one solution would be to set the timer for some to say a 1uS interrupt then in you interrupt routine be to toggle the pin based on a target value.i.e. target 1: toggle a 5uS would give a 10uS pulse ...

MHank.1 · 2024-08-21

Although for a different processor this article may help you.ARM Tutorial Part 1 Clocks

MHank.1 · 2024-01-20

You might be able to link 2 32 bit timers together to make a 64 bit time as on the STM32F722ZE with a max freq. of 180MHz. An example of linking 2 16bit timers together is given in; ARM Tutorial Part 2 Timers

MHank.1 · 2024-01-18

I wrote an article on ARM Timers using registers, NOT HAL, that might be of some help. https://jaxcoder.com/Post/Index?guid=456f6a89-1a93-4a72-bab9-4cf3a9e7f9b6

MHank.1 · 2023-12-15

I found the solution after many hours of foundering and for those that wish to know the solution, here it is; The solution is configuring the PLL as the clock source; RCC_TypeDef* pRCC = RCC; FLASH_TypeDef* pFlash = FLASH; PWR_TypeDef* pPWR = PWR; ...

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NUCLEO-F722ZE Clock and MO2 issues

STM32F722ZE SPI with DMA Reset question

NUCLEO-C031 Pin Change interrupt not firing

STM32C031C6 Timer Input Capture

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Re: two timer signals on one pin

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Re: STM32 with 64-bit Timer

Re: How to start PWM using the registers.

Re: NUCLEO-F722ZE Clock and MO2 issues