Search found 36 matches

by RobertoBerner
Wed Jun 07, 2023 1:38 am
Forum: General discussion
Topic: TIM2 PWM newbie needs help with bare metal code
Replies: 26
Views: 8197

Re: TIM2 PWM newbie needs help with bare metal code

Hello dannyf , sure, you are right. In my case at my age 68, having programmed (very skillfully and in absolute assembler) my first M6800 in the 70s, I have spent most of my life programming in the 8 bit world. And made a living out of it, despite being an analog and discrete digital design engineer...
by RobertoBerner
Tue Jun 06, 2023 2:52 am
Forum: General discussion
Topic: SIMPLE QUESTION BLUE PILL COMMUNICATIONS SETTINGS
Replies: 10
Views: 2145

Re: SIMPLE QUESTION BLUE PILL COMMUNICATIONS SETTINGS

Hello hobbya , thank you for this excellent information. I will take a closer look tomorrow, but I find interesting the 6 pin ST-Link V2.1 However I understand that the VCOM port ends in TX/RX pins and that these pins need to be connected to TX/RX in the Bluepill (STM32F103C8T6) with 2 wires. If so,...
by RobertoBerner
Mon Jun 05, 2023 8:00 pm
Forum: General discussion
Topic: SIMPLE QUESTION BLUE PILL COMMUNICATIONS SETTINGS
Replies: 10
Views: 2145

Re: SIMPLE QUESTION BLUE PILL COMMUNICATIONS SETTINGS

Hello friends, after some time, I would like to add something about my newbie experience. I started using the bootloader but... I reached the point in which I had to reFLASH the HID bootloader each time before Arduino uploads , because the bootloader under certain conditions, got corrupted. Later I ...
by RobertoBerner
Mon Jun 05, 2023 7:52 pm
Forum: General discussion
Topic: STM32 BluePill Newbie can't enable timer interrupts
Replies: 1
Views: 2096

Re: STM32 BluePill Newbie can't enable timer interrupts

Hello friends. This is an auto reply.
I could solve my problem.
Here is a link to my solution.
Case close from my side.
Kind regards
Roberto
by RobertoBerner
Mon Jun 05, 2023 7:49 pm
Forum: General discussion
Topic: TIM2 PWM newbie needs help with bare metal code
Replies: 26
Views: 8197

Re: TIM2 PWM newbie needs help with bare metal code

Thank you all, dear friends, for your replies. I am sorry for the delay in responding, but I am still travelling for business reasons, and sometimes I remain absent for a little while. As I had to solve my problem fast because I need STM32 for new pending jobs, I decided to do the following: 1. inst...
by RobertoBerner
Mon May 22, 2023 2:13 am
Forum: General discussion
Topic: STM32 timer interrupt
Replies: 6
Views: 10300

Re: STM32 timer interrupt

khoih-prog I will always take a look at your advices. But my problem is how to register an interrupt vector or pointer from an interrupt event generated by the timer, in my case F1 TIM! or TIM2 . I already tested your library, but it was slow for my purposes and need to have some more control. Mayb...
by RobertoBerner
Mon May 22, 2023 12:26 am
Forum: General discussion
Topic: TIM2 PWM newbie needs help with bare metal code
Replies: 26
Views: 8197

Re: TIM2 PWM newbie needs help with bare metal code

Hi dannyf , I need your help with this. I spent almost the whole day to try to make this work. Some values maybe wrong, but with my errors in the code, I can't make this thing interrupt. Could you check my code, taken from the one you posted before? Surely it must be simple solution. Excuse my ignor...
by RobertoBerner
Sun May 21, 2023 4:20 am
Forum: General discussion
Topic: TIM2 PWM newbie needs help with bare metal code
Replies: 26
Views: 8197

Re: TIM2 PWM newbie needs help with bare metal code

dannyf , I have your initialization function for TIM2 running, from you previous post: https://www.stm32duino.com/viewtopic.php?p=12300#p12300 I will ask you to teach me how to use TIM2CH1toPIN() The compiler complaints here: RCC->APB2ENR |= RCC_APB2ENR_AFIOEN; //enable AFIO AFIO->MAPR = (AFIO->MAP...

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