STM32 MCUs Embedded software

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f_open error 11 (can't find FR_INVALID_DRIVE)

Posted on March 02, 2015 at 01:47My issue is with fatfs in the following code:retSD = FATFS_LinkDriver(&SD_Driver, SD_Path);if(retSD == 0) { if(f_mount(&sdcard,(TCHAR const*)SD_Path,1) != FR_OK) //works great { Error_Handler(); } else { //HAL_SD_Wid...

STM32F107 ethernet demo rebuild problem

Posted on February 27, 2015 at 16:31Has any body rebuilt the STM32F107 LwIP TCP/IP demo (STSW-STM32026)   in latest IAR EWARM toolchain ? The demo provided by ST still uses IAR 5.42 ( old one). This creates errors when I try to rebuild with IAR 6.30...

jay by Associate
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  • 4 replies
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Triple mode ADC with new HAL

Posted on December 01, 2014 at 22:52 Hello, I'm trying to set the ADC(s) of the stm32f407 in triple mode, using DMA for data transfers. Based on the the only available example in the cube package and some old code, written using the stdpheri...

b2527456 by Associate II
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  • 5 replies
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STM32F207 USB device with no VBUS monitoring

Posted on June 10, 2014 at 09:05Hi all,I'm modifying the VCP demo for STM32F207 to work without VBUS sensing, just using D+/D- for USB communications. As stated in RM0033 (page 935/1334 Doc ID 15403 Rev 5, chapter 29.5 USB peripheral): �The VBUS pin...

HS USB Device Won't Return Report Descriptor

Posted on February 06, 2015 at 13:32I've got a STM32F405 using a Microchip USB3300 PHY set up to run as a HS HID USB device. The device gets MOST of the way through enumeration. However, when the host queries for the report descriptor, the device fa...

jvavra by Associate III
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  • 3 replies
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STM32F401 USB CDC stuck in IRQ loop

Posted on February 18, 2015 at 10:27Hi,I'm using the USB Host library 2.1.0 (with USB_OTG_FS) on an STM32F401CD. Using the USB CDC code I'm having the following issue:When the STM32 is connected to a PC but no application on the PC has the port open...

gw by Associate II
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  • 2 replies
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