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Mass storage Sd card reading error on windows 8 in samd21 Xplained pro.
I have connected the SD card and using the Mass storage program which I have modified from here and there. This is working well with windows 7 and I can able to use it as a card...
Friday, 10 July 2020 - 08:49
Problem when using multi_write_buf of USB in multiCDC mode in SAMD21.
Hi Guys,   I'm using multiCDC in samd21 and facing a issue with udi_cdc_multi_write_buf() function call.   When using above call say for port/interface 0 it blocks the...
Tuesday, 23 June 2020 - 10:49
How to use the USB inbuilt DMA to link with UART via event in SAMD21.
Is there any way we can use the inbuilt DMA of USB which can be linked with UART via event. The motto is to form the UART USB bridge kind of structure.   (Micro-controller)...
Thursday, 18 June 2020 - 14:14
Problem with 2CDC USB ports in SAMD21.
Just by changing #define  UDI_CDC_PORT_NB 2 i can able to create 2 ports..but not able to communicate on those. Do we have to do only above change to make it work or...
Thursday, 18 June 2020 - 10:11
Split from: xmega usb 2 com ports
--Can 2CDC ports have 2 Different PID's..?.. If Yes kindly suggest how we can have different PID's for different COM's.  
Tuesday, 16 June 2020 - 11:10
USB Detection.
Hello,   Im woking on SAMd21E16BU and successfully created a device. We have implemented a boot loader too. This boot loader has USB Module in it and when ever we press...
Thursday, 9 April 2020 - 07:52
samd21 i2s receive data in mono mode not working properly.
Hi,   I'm interfacing SGTL5000 codec with samd21 and able to get the mic data properly. I have configured SGTL5000 codec in 44.1KHZ and 16bit i2s data format and same...
Thursday, 15 November 2018 - 13:40
SPH0641LU4H-1 with samd21
I am using a PDM mic SPH0641LU4H-1 with samd21 and interfacing as I2S. Below is the configuration code. I'm not able to receive the correct data. Kindly let me know what...
Monday, 6 August 2018 - 13:01
MQTT in SAMD21 with ESP8266-01.
Kindly give some idea and let me know how to built the MQTT requests via samd21 and sending basic packets of MQTT via ESP8266-01 connected.
Sunday, 5 August 2018 - 07:52
TICK SOUND COMES WHEN DISABLE TCC MODULE.
Im playing some frequency between 15K to 20 K via TCC module. Whenever I disable the TCC after playing, the Tick sound comes at last.   I want to get rid of this tick sound...
Friday, 6 July 2018 - 08:57
DMA STUCK AFTER SLEEP MODE.
Hi I'm working on a code which uses ads, timer and dma. Before sleep I'm doing tc, add and dma configuration and its running. After coming from SLEEP(STANDBY) the dma gis getting...
Thursday, 5 July 2018 - 13:05
USB DETCETION WITHOUT USB ID PIN.
Is there any way to detect the USB without using ID pin as it can save my one GPIO pin for some other useful purpose. I'm using USB CDC Module.
Wednesday, 27 June 2018 - 10:21

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