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Posted on December 08, 2015 at 23:19My STM32F030 is SPI slave to another external MCU. External host may turn the VCC of my STM32 off. When this happens SPI_CLK and MOSI pins are still at +3.3V, and these signals back-supply my MCU through output...
Posted on December 08, 2015 at 12:11Hello there,I need to implement rs485 communication using STM32F407. I am using MAX487 chip which has a direction pin. I have searched the forums for a hardware solution to this, and found a topic which says that ...
Posted on December 08, 2015 at 07:22Hi,I am newbie for stm32.I trying to handle external interrupt, but whenever interrupt generate it execute ''Default_Handler:'' from startup_stm32.s file.e.g. .section .text.Default_Handler,''ax'',%progbitsD...
Posted on November 12, 2015 at 15:04In the current release of CubeMX V4.11.0 using the latest F4 libraries, V1.9.0, a bug has been introduced that makes the SDIO DMA channels useless. In the previous library set, V1.8.0, when the DMA channels were ...
Posted on November 10, 2015 at 21:05Hi ,I am trying to develope Ble HID keyboard using Ardunio Uno and STM32 X-NUCLEO-IDB05A1 extension board.I am very new to this... I have gone through the STM32 quick guide. I could not understand whether I need t...
Posted on December 08, 2015 at 16:01
Posted on December 08, 2015 at 12:08 Hello, I'm trying to use ADC with EXTI_ I have read many discussions before but still got an issue here. Here's the code I'm using: static void ADC3_CH13_DMA_Config(void) { ADC_InitTypeDef ADC_I...
Posted on December 08, 2015 at 11:30I need to find out the sector and page size on my particular SOC, which is STM32F072C8T6. According to the part number information from the data sheet (DM00090510), this is a 64 kB flash memory version. From the r...
Posted on December 01, 2015 at 11:39Hi, I use the STM32F3xx_HAL_Driver : Version V1.1.1 / 19-June-2015. I use STM32F302RCT6 and STM32F303RCT6 devices and the USB device doesn’t work because the definitions of these MCU don’t match with the docum...
Posted on December 08, 2015 at 13:08 Hi i have seen the below code on this forum. for example if i wnt to make a delay for 10 seconds then how to calculate the tick value.? Can anyone help ?. volatile unsigned int *DWT_CYCCN...
