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chrischrisWhereDidThisNameCome
Associate III
since ‎2018-07-19
‎2023-06-14

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  • 22 Posts
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User Activity

[BUG] STM32CubeMX USB Audio Class example not handling USB SET_REQUESTS properly

2019-01-17
1) STM32CubeMX Version 4.26.1, STM32Cube V1.0, using firmware package STM32Cube MCU Package for STM32L4 Series 1.12.0 (22 May 2018)2) New Project, STM32L476RE, USB Device, class for FS IP Audio Device class, configure RCC + 3 GPIO's because of how my...

USBD_LL_PrepareReceive or similar after a USB Class specific SET_CURRENT request where USBD_CtlPrepareRx is used? Otherwise setup packets are no longer received.

2019-01-17
Hi,So the way the USB class drivers are implemented is that USBD_ClassName_Setup for a SET_CURRENT request will call USBD_CtlPrepareRx to receive the SET_CURRENT data payload and then the request will be processed from the USBD_ClassName_EP0_RxReady ...

Semihosting with TrueSTUDIO for STM32 and STLINK v2

2019-01-11
Hi,I am using Atollic TrueSTUDIO for STM32 and the STLINK v2 debugger found on most ST dev boards. uC is STM32L476RE if thats needed.I am trying to get semihosting to work for printf. (SDO pin is not available in my project for ITM). I have used semi...

Bug: HAL_SAI_Transmit_DMA does not follow the sequence of RM0351 Rev 4 pg 1329 for the case of Slave Transmitter

2016-10-20
Posted on October 20, 2016 at 13:17 Hi all, HAL_SAI_Transmit_DMA fromstm32l4xx_hal_sai.c v1.5.1 does not follow the sequence described in RM0351 Rev 4 pg 1329: ''In slave mode, the audio frame starts when the audio block is ena...

STM32L476 SAI frame synchronization is incorrect swapped left right if HAL_SAI_Transmit_DMA is called 4 us after rising edge of WS

2016-10-20
Posted on October 20, 2016 at 11:45 Hi All, I have an STM32L476RE connected to an audio codec. The audio codec is the master.SAI1_Block_Ais configured asSAI_MODESLAVE_TX,SAI_ASYNCHRONOUS,SAI_I2S_STANDARD,SAI_PROTOCOL_DATASIZE_16BIT,SAI_ST...
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