Posted on April 17, 2013 at 00:35I'm working with two STM32L151 communicating them via SPI port A-Master and B-Slave. I can only receive data correctly in B-Slave if I switch off transmission but I want full duplex in master and in slave. I can't ei...
Posted on April 23, 2013 at 01:36I am trying to read the device electronic signature in an STM32F40x device while the device is in DFU mode.The signature is 12 bytes, found at 0x1FFF7A10. DFU_DNLOAD (Set Address Pointer) works (or at least returns ...
Posted on April 22, 2013 at 17:19Hi all, I know it was disscused many times over the forum but still I can't get the correct results for the timer setting in PWM mode... Can someone explain to me step by step how to understand timers timing, please?...
Posted on December 28, 2012 at 15:01 #include ''stm32f4xx_conf.h'' #include ''ethernet.h'' #include <stdio.h> #include <string.h> //source IP #define S_IP1 192 #define S_IP2 168 #define S_IP3 1 #define S_IP4 100 //dest IP #define D_IP1 ...
Posted on April 14, 2013 at 12:25Hello all, I've run into the following problem with the program execution. On the STM32f4 Discovery board I've configured two timers with the IRQ routines for measuring two external PWM signals. This works excellentl...
Posted on April 22, 2013 at 16:17 Hi I am trying to read 4 consecutive registers from an EEPROM using I2C through interrupts. The Start Generation is done inside an EXTI interrupt handler after the user button is Pressed. The rest of the read...
Posted on April 19, 2013 at 10:13Hi everybody, I got a strange problem on my USART3 of my STM32F205VE. The UART is working perfectly up to 19200 bauds. With a terminal, I can see my sentences, with the oscilloscope my bit period is OK. I would like ...
Posted on April 22, 2013 at 10:15Hello I have 3 units ulink2 , I am using keil .. when i was using v4.60 , i was able to debug and download using jtag .. I get some problem with that version later one we upgrade it to v4.70a ; now I cant use JTAG ,...
Posted on April 21, 2013 at 12:35 I have a problem ... I want to connect to the terminal via RS 232 converter usb .. code seems to be reasonable but still something is wrong, I can not send anything to the terminal please help. #include ''stm32...
Posted on April 22, 2013 at 11:40Hello, I modify the demo code in STM32L1xx_StdPeriph_Lib_V1.2.0 --> TIM --> OCToggle. I reconfigured the TIM3_CH3 CCR3_Val to 40 to generate 200KHz square waveform. The output frequency measured is only 122Hz...
