About ap.1

ap.1 · 2024-04-06

hello guys does anyone have a implantation of iec6256-21 for st mcus ??i saw a pdf from st that suggested Andreas anformatique implantation but i couldnt find it note: im looking for a library for server or metering device side not for handheld devic...

ap.1 · 2022-11-23

Hello, I'm trying to use 2channels of DMA , one for PWM in timer1 and one for reading adc1 using timer3 .dma c2 should give ccr the amount from a uint string[1000](which i deleted from this code for simplifiing to be easier to read) and dma c1 for r...

ap.1 · 2024-04-08

thank you sir for your reply I saw that link a while ago this iec standard have two devices handheld device and metering device the library that you provided a link for it is for handheld device but im looking for metering device side library , I sho...

ap.1 · 2022-12-01

Hello if I understood correctly u want to change compare value for falling edge of ur pwm , that means you want to have diffrent compare value on your rising edge and falling edge , use an intruppt either when cnt match arr or when cnt match compare1...

ap.1 · 2022-11-28

hello best thing u can do is to use dma and timer and adc at the same time this way u can read adc without make cpu busy (dma take the value from RDR registry and put it in a string every time the timer update event or CNT match the ARR in timer and ...

ap.1 · 2022-11-28

Hello for anyone wondering or having the same problem I did a step by step progress for writing code again and it did worked I think the problem was with either keil or some of my convertings in the code wasnt correct in c and keil didnt give me warn...

ap.1 · 2022-11-24

hi tnx for comment but I already tried that and its didn't work

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iec62056-21

2 channels of DMA won't work

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Re: 2 channels of DMA won't work

Re: 2 channels of DMA won't work