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Posted on October 25, 2012 at 21:49Hello, I�m trying to use PA15 pin as an output on STM32F103CB chip, but with no luck. Because this pin is shared for JTAG, I must use remapping, First I enable clocks: RCC->APB2ENR |= RCC_APB2Periph_TIM1 | ...
Posted on October 25, 2012 at 16:17What is the best way to change the irqhandler to be used. I have a number of situations where the operations need to change depending on what the board is doing. Don't want to have a load of ifs or switches inside ...
Posted on October 25, 2012 at 16:25Hi. Erased state of flash memory in STM32L low-power devices is 0 instead of more common 1. What is the reason for this? If I will program unused flash portion to all FFh, will this impact current consumption in an...
Posted on October 25, 2012 at 14:38Where do I find out what DMA channel/stream i need to use for SPI1 TX.not sure which st document has this information in it?(stm32f4)Thanks :)
Posted on October 24, 2012 at 21:07Hi all,After flashing my board based on a STM32F405RG with ST link utility (Hex compiled with GCC under eclipse), I can't communicate anymore with the core. I have this error :Cannot run core while booting from fla...
Posted on June 30, 2012 at 23:43Hello, i have a small problem i think.With the help of this forum and google i created a project with CoIDE.What it should do is reading the directory of an SDCARD.The SDCARD part is working. but the fatfs is not work...
Posted on October 23, 2012 at 13:50 Hi. I am using a STM32F4discoveryboard to prototype an application. In the application, I have some really critical interrupt that must be handled (or else there will be an uncontrolled surge of over 80...
Posted on October 21, 2012 at 12:16I'm currently developing a USB host and my device needs currents up to 500mA. Can the board deliver those a) when powered by a PC over the debugger unit? b) when powered externally by its pins?
Posted on October 22, 2012 at 16:42 The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on October 24, 2012 at 19:51Hi,I am using STM32F207VE, and trying to perform read/write operation. Since this chip has flash memory of 512K, not sure how the mapping takes effect. Memory mapping is explained for 1MB flash, but not for lesser ...
