Quantcast
Channel: Wireless Connectivity
Browsing all 116964 articles
Browse latest View live

Forum Post: RE: How to stream 1k data from iOS to a BLE peripheral?

Also, Not sure if you've ran across this problem, but it's not unheard of for packets to arrive out of order of the way you sent them with BLE.  In the stuff I'm working on, I just sacrifice the first...

View Article


Forum Post: RE: UART problem in CC254x HAL

Q,  Read through this thread: http://e2e.ti.com/support/low_power_rf/f/538/t/218578.aspx I just recently had the same problem.  Try to match up your UART registers with the ones I documented and check...

View Article


Forum Post: RE: CC1101 stops reading

As far as a imagine of what the mcu sees, my experience has been that when the CC1101 stops it simply stops sending Carrier_sense (GDO0) and rf data (GDO2).  The waveforms are not distorted or thinning...

View Article

Forum Post: whether a table is existed in the coordinator that the connection...

hi    The devices send the data request frame to the coordinator periodicity that the coordinator can know whether  the end devices in the network, So, i think there is a table is exist  in the...

View Article

Forum Post: I2C slave on cc2541

Hello all, I am working on cc2541 device and need to implement i2c slave. I downloaded hal_i2c files from one of the threads. I want to initialize i2c as slave. The slave initialization function has...

View Article


Forum Post: How can i know the coordinator has receive the Data Request Frame...

hi    I want to manage the zigbee network between the coordinator and the end devices, and i found the end devices sent the Data Request Frame periodicity.So I want to use the Data Request Frame as...

View Article

Forum Post: RE: HDX with NFC Android

Thank you for your answer KSA  Do you know about for android? I found only devices with SDK for Windows and .NET. Again, thank you Ricardo

View Article

Forum Post: CC1101 AND DUTY CYCLE

HI TO ALL. I WANT TO USE CC1101 IN MY PROJECT,WHICH IS A SMALL SYSTEM FOR TELEMETRY,ALARM  AND DATA TRANSMISIONS,AT 433 MHZ OR 868 MHZ.I KNOW THAT THIS SPACE IS NOT THE RIGHT ONE ,BUT I WANT TO ASK:...

View Article


Forum Post: RE: Two OSAL timers running simultaneously with POWER_SAVING enabled

Hi, Try to do the following: Instead of osal_start_reload_timer(MSA_TaskId, MSA_DELAY_EVENT, 10000); Schedule the MSA_DELAY_EVENTonly once with osal_set_evet(), then inside the MSA_DELAY_EVENT halt...

View Article


Forum Post: HAL UART using both UART0 and UART1 simultaneously

Has anyone used the hal_uart_dma to operate both UART ports simultaneously? It seems like it is going to require a large rewrite of the hal_uart_dma.c functions, so I was wondering if anyone else has...

View Article

Forum Post: RE: packet sniffer operation frequency?(problem with frequency...

well, as indicated in CC2430 datasheet, it is 140ppm, more than 40ppm mentioned in

View Article

Forum Post: RE: Z stack memory consumption during network scan/join stage

it is CC2430 using Z stack 1.4.3-1.2.1.

View Article

Forum Post: RE: CC Debugger supplying -3.3 V?

I've checked the connection from the chip to the CC debugger multiple times and I think I'm following the schematic(s) correctly, as well as measuring the voltages correctly. I am not sure why I am...

View Article


Forum Post: RE: Delay between ZB_START_REQUEST and ZDO_STATE_CHANGE_IND

If your coordinator broadcast beacon periodically, it is a sign you are using passive scan instead of active scan. or maybe you use a mixed way(not allowed in theory, but Z stack may be able to...

View Article

Forum Post: RE: How install default key?

This is not working. In the system event  ZDO_STATE_CHANGE  returned only  DEV_NWK_DISC. 

View Article


Forum Post: RE: cc2530 z-tool 2.0 always shows"No devices found"

Thank u for your answer.I have solved this problem last night.I'm a student.I learned zsatck a month ago.I just want to find a  software that can determine which kind of turbo the network is.

View Article

Forum Post: RE: Help RFID TI S6700 (RI-R6C-001A)

BUMP

View Article


Forum Post: RE: How to get link status when wl1271 in AP mode

Thanks.

View Article

Forum Post: RE: Ad-Hoc doesn't work on am335x(SDK 05.05, kernel version...

It seems freq is only difference between my steps and that links: the same issue has been seen, do you think ad-hoc is OK on PSP04.06.00.08? root@localhost:~# iwconfig wlan0 mode...

View Article

Forum Post: RE: packet sniffer operation frequency?(problem with frequency...

The value of 140 ppm corresponds to the frequency error tolerance and describes the properties of a receiver. The greater this value the better.  However, at the transmit side, the frequency accuracy...

View Article
Browsing all 116964 articles
Browse latest View live