Resolved! A typo in um1734 rev.4
Hello,5.2->table 9->4th raw mistakenly repeats 'Audio speaker' instead of 'CDC' or like this.
STM32 MCUs Embedded software
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Resolved! Different version of libarm_cortexM4lf_math.a for STM32F4 and STM32L4
In the latest firmware for STM32F4 (STM32Cube_FW_F4_V1.26.1) the libarm_cortexM4lf_math.a file is 3025kB.In the latest firmware for STM32L4 (STM32Cube_FW_L4_V1.17.0) the libarm_cortexM4lf_math.a file is 5235kB.I found that in the version for STM32L4 ...
Erase command bootloader not responding
Hello everyone, I'm trying to do an erase command for 2 pages but it accepts the command with an ack but after that nothing happens and the bootloader nacks all other commands I waited at least 40 seconds after the erase command but no ack or nack. A...
Is it possible to link SD card and USB flash drive simultaneously?
Hello friends,I am currently testing transfer content from USB to SD card using a STM32469I Discovery board. However I have been unable to link both SD card and USB so the transfer go faster without the process of link-unlink using FATFS_LinkDriver /...
Resolved! DFU over USB not working - HSE not detected?
Hello all, I am currently unable to solve this issue:I use STM32F401RET6 with USB functionality (COM port). USB works just fine when in normal runtime, but I am unable to reach the DFU.I think that for some reason the HSE is not detected or some othe...
I am trying to use the usb fat driver on cube mx... I am not able to get APPLICATION READY as a state.. I am just able to get APPLICATION_START and APPLICATION _DISCONNECT.. What could be wrong ? Thanks a lot
static void USBH_UserProcess (USBH_HandleTypeDef *phost, uint8_t id) { /* USER CODE BEGIN CALL_BACK_1 */ switch(id) { case HOST_USER_SELECT_CONFIGURATION: break; case HOST_USER_DISCONNECTION: Appli_state = APPLICATION_DISCONNECT; b...
USB AUDIO STM32F401VC DISCOVERY BOARD CRACKING SOUND
Hi,I have already ported the USB AUDIO DAC application code to STM32F401VC Discovery board. After running the application I am getting noisy audio output from the codec.Please check it & inform me if you found any mistake(it could be in configuration...
