# \#dma

**URL:** https://forums.digi.com/tag/dma/289.md

[Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md)

---

## [cc6 dma uart - incomplete packets](https://forums.digi.com/t/cc6-dma-uart-incomplete-packets/19674)

<div class="topic-metadata">

**Author:** [@dtran11](https://forums.digi.com/u/dtran11)\
**Replies:** 1\
**Last updated:** [July 5, 2018, 8:41am UTC](https://forums.digi.com/t/cc6-dma-uart-incomplete-packets/19674 "2018-07-05T08:41:18Z")

</div>

I’m currently using a cc6 dual-lite to transfer data between an stm32. Running at 115200 baud over uart with dma, I sometimes miss some bytes. For example I have a test that sends 512 bytes of data 4 times a second. Enab…

---

## [XBEE S2 Pro STM32F4 and 7 UART DMA](https://forums.digi.com/t/xbee-s2-pro-stm32f4-and-7-uart-dma/18677)

<div class="topic-metadata">

**Author:** [@gvi70000](https://forums.digi.com/u/gvi70000)\
**Replies:** 2\
**Last updated:** [September 1, 2017, 11:47am UTC](https://forums.digi.com/t/xbee-s2-pro-stm32f4-and-7-uart-dma/18677 "2017-09-01T11:47:59Z")

</div>

Hi, When using normal transmit on UART i can send a message from a router to a coordinator without no issue HAL\_UART\_Transmit(&huart2, (uint8\_t\*)xFrame, sLen,100); , but when i try to send it using HAL\_UART\_Transmit\_…

---

## [9M2443 External DMA Example](https://forums.digi.com/t/9m2443-external-dma-example/5000)

<div class="topic-metadata">

**Author:** [@bkamen](https://forums.digi.com/u/bkamen)\
**Replies:** 1\
**Last updated:** [September 24, 2012, 9:35pm UTC](https://forums.digi.com/t/9m2443-external-dma-example/5000 "2012-09-24T21:35:41Z")

</div>

Has anyone had any success implementing an external device that uses DMA? My application involves using an FPGA as an external SRAM style device (preferably Synchronous mode) but then also as a DMA device. As most of y…