pdr_on connection
Posted on April 05, 2013 at 23:37For regulator on and internal reset off should the pdr_on be connected to vcc or vdd or left floating? Thanks #stm32f417-ufbga176
Forum Posts
STM32F2xx IAP question
Posted on April 05, 2013 at 23:33I have base my IAP on AN2557 application. I change the offset for my APP to 0x08010000 because need same extra sectors for fix varibles. I change the icf file according :define symbol __ICFEDIT_intvec_start__ = 0x080...
USART don't send what I want
Posted on April 04, 2013 at 22:20 First of all, sorry for my bad english and possibles gramatical mistakes; I'm working on stm32f100rb (Discovery Board). Well, when I want to sent a Ascii Character, for example, ''A'', I use the next comm...
STM32F2 LSE RTC crystal issue: Can anyone help?
Posted on March 01, 2013 at 13:45HelloWe use the STM32F2 for a project and have problems with the LSE crystal.We use a Citizen CMR200T crystal (32.768kHz, CL=6pF, Farnell Nr. 1652560) wich has a gain margin of 6.1 (according to the ST application no...
Interrupts are not occurring in order
Posted on April 03, 2013 at 16:55 Hi! All, I have a reed switch based Wind Speed and wind direction sensor(anemometer), these two reed switches(one for wind speed and another for direction) are connected to pull ups so that it generates the d...
The best way to compare two buffers
Posted on March 30, 2013 at 10:49Hello, I�m begineer in programming in C and microcontrollers, so I�m sorry for stupid question. I receive commands via USART. What is the best way to compare RxBuffer with command saved in memory? Now I use comparing...
SysTick_CALIB, What does it do??
Posted on April 05, 2013 at 01:35Using the STM32L152RB....So I know that the value stored in the SysTick_CALIB register is the value that must be loaded into SysTick_LOAD in order for the ticker interrupts to have a delay of 10ms (as stated in onlin...
F2/F4 I2S Ext.Clock
Posted on April 03, 2013 at 14:19Hi friends, It is written at ref/man for F2 and F4:Bit 7:0 I2SDIV: I2S Linear prescaler I2SDIV [7:0] = 0 or I2SDIV [7:0] = 1 are forbidden values. Why ''0'' is forbidden is clear, but why ''1'' ?! I make some intensi...
Using RTC to show time on LCD
Posted on April 04, 2013 at 11:52Hello,I'm new to embedded programming and having a hard time getting into using the STM32L-Discovery. I'm trying to use the RTC to display time on the LCD on the board, I've been reading the documentation but haven't...
Best TCP/IP Stack for STM32F2
Posted on April 03, 2013 at 21:46HI, I'm going to extend my project with TCP/IP stack. What do you think is a best choice for TCP/IP stack. Currently I'm hesitating between lwIP and uIP. I'm developing under yagarto. Currently my code runs FreeRTO...
