About johnson jiang

johnson jiang · 2021-03-31

Hi:I tried Radio RX/TX Demo provided by stsw-bluenrg1-dk.But the demo does work.Does it need special setting for the hw or others?

johnson jiang · 2020-06-18

Hi all:I create a project on top of STM32F030K6T6 , and then i want to build it in stm32cubeide, i got the following error:"c:\st\stm32cubeide_1.3.0\stm32cubeide\plugins\com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.win3...

johnson jiang · 2020-04-16

Hi all:I want to read mailbox message from nfc tag at nfc reader side.But i cann't find an example of how to read it, i find an api rfalST25xVPollerReadMessage, but don't know how to use it. Can anyone share it?

johnson jiang · 2020-06-18

Hi:Does anyone get the same condition?

johnson jiang · 2020-04-16

Hi:Your info is at tag side. But i am interested in the reader side.But your reply is stall valuable. you metion " disable EH to avoid RF noise" , do you mean when i operate nfc tag, i should disable EH mode each i want to read mailbox message sent ...

johnson jiang · 2020-04-16

Hi Brian:Thanks!It helps. I want to ask some detail. Where does parameter uid of these functions come from?I guess function rfalNfcvPollerCheckPresence, and it returns a structure of rfalNfcvInventoryRes which has a field of UID.right?And i follows e...

johnson jiang · 2020-04-13

Hi: if I set gpo to 0xA0 to enable RF_GET_MSG, then i don't get any gpo interrupt. Do you get similar phenomena？ Thanks�? At 2019-11-21 17:15:02, "ST Community" wrote: Ok, in SmarTagNFC.c (and .h), you need to add this: //EMG ported ...

johnson jiang · 2019-12-09

Hello evan:Thanks very much.I tried your methods, but the distance doesn't increase. I decide to change the reader from ST25R3911B to ST25R3916.And ST25R3916 board will be available in the next week.I get another issue, when the reader first read da...

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BLUE NRG-1 Proprietary Radio TX/RX Demo doesn't work

I create a project and build it in STM32CUBEIDE, and then got " region `ROM' overflowed" error; But it works in Keil IDE.

Can anyone provide an example of api rfalST25xVPollerReadMessage?

Re: I create a project and build it in STM32CUBEIDE, and then got " region `ROM' overflowed" error; But it works in Keil IDE.

Re: Can anyone provide an example of api rfalST25xVPollerReadMessage?

Re: Can anyone provide an example of api rfalST25xVPollerReadMessage?

Re: Fast transfer mode mailbox - how many write cycles can it handle?

Re: Fast transfer mode mailbox - how many write cycles can it handle?