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Posted on April 19, 2015 at 23:36 I have a uSD card on a custom shield conected by SDIO (PC12, PC8, PD2 lines) I debug software and hardware (with my oscilloscope). I focus on this function static HAL_SD_ErrorTypedef SD_Initia...
Posted on April 20, 2015 at 01:44I'm using library only as a reference, so am writing simple test codes to understand guts of STM32F4xx. It is turn of SDIO.So far I'm able to read and write single block to SDHC card. My question to you is what shoul...
Posted on April 19, 2015 at 02:13Hello, I'm using a nucle 411 to test a RC servo driver. Si I configure 4 TIM3 channel to output PWM signal. Everithing is Ok, except that I can't finde a function to change PWM Duty Cycle. Is there any? BR!
Posted on April 19, 2015 at 15:58 How do I assign the variables a1 and a2 x ? I want to read the typed value unsigned long x; //readings value unsigned long a; //value unsigned int a1; //values written unsigned int a2; //values ...
Posted on April 18, 2015 at 23:12I can't figure out the cause of the Hard Fault: Chip: STM32F405RG Instruction (gcc generated program): vldr s0, [r4] r4 contains an address in the main RAM and aligned (0x2....4) Stepping over it results in a jump to...
Posted on April 18, 2015 at 23:58Hi,I am writing data on my sd card through spi in stm32f429zi controller using library of fatFs by chan. But after writing the data when i check the file it shows strange characters instead of the data entered. Later...
Posted on April 15, 2015 at 20:34 Hi, I have a problem with interrupt of WakeUp Timer. Never set flag for WakeUp interrupt. WakeUp timer is on EXTI EXTI of interrupt is set for rising edge and and line Can you help me? Thanks a lo...
Posted on April 15, 2015 at 16:35During init phase of my program I init all GPIO (A, B, C, D & F) register of STM32F030C6 with some default value. And during access to GPIOD on 0x48000C00 I get exception. If I disable GPIOD everything work as expec...
Posted on April 17, 2015 at 08:22Hello everyone,I am from South Africa and would like to get my feet wet (so to speak) with the STM32 MCUs. I want to buy the NUCLEO-F411RE board online directly from ST. I was wonder if there are any fellow South Afr...
Posted on April 17, 2015 at 15:34 Hi folks, We are experiencing screen flicker (jitter?) with a setup consisting of an STM32F429I with external SDRAM frame buffer (part similar or identical to what is on the STM32F429I-DISCO board) and an ext...
