temp LM75 got strange value
Posted on February 25, 2008 at 05:28temp LM75 got strange value #stm32-lm75-wrong-temp-value #lm75-stm32f103x-temp-register-s
Forum Posts
ADC 1 problem with STM8S-Discovery
Posted on May 26, 2015 at 11:57Hi, I have problem with ADC1 conversions on STM8S-Discovery. I have configured the analogic inputs following: PB4 - AN4 PB5 - AN5 PB6 - AN6 unsigned char ADC_Config_INT ( void ) { GPIO_Init(ADC_PORT,ADC_15V_PIN, GP...
To get data from Invensense MPU9250 with I2C
Posted on May 26, 2015 at 13:25I'm trying to get data from Invensense MPU9250 with I2C on SC1 of stm32w108.These are connected each other with 10k ohm register.But it doesn't get data.I coded as below.Please tell me how to fix.void SCinit(){ ...
What is the maximum frequency of STM32F4's PWM?
Posted on May 26, 2015 at 07:11I would like to use the PWM as clock source for other device. so I want to know the maximum frequency of PWM. As faster the frequency of PWM signal increase, the more the shape of PWM signal become to triangle signal. ...
Debug step-by-step with Watchdog enable !
Posted on May 26, 2015 at 09:49Hello,I am debugging step-by-step my project on stm32f103vd, using CooCox CoIDE, and ST-LinkV2.when I enable whatchdog, the system go then to Reset_DefaultHandler(). I think that's normal no ?and how I can debug step-b...
Where is UM1525 gone ?
Posted on April 27, 2015 at 14:42The user manual for the STM32F051 discovery (named UM1525) seems to be gone from the respective http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1848/PF253215. Some kind of meltdown ? #um1525
SPI problem reading ADC
Posted on May 18, 2015 at 10:19 I'am using three MAX11210 with a STM32L151VDT6 controller via SPI. I only want to read out the CTRL3 register which is by default 0x1E. If i read out the ADCs behind one another i read 0x1E, 0x1E and 0x1F... but n...
Use timer to trigger ADC sampling using STM32CubeMX generated code
Posted on October 29, 2014 at 14:09I have previously used a timer for triggering ADC for sampling using the standard peripheral library. I am now trying out the STM32CubeMX GUI and generating code from it to be used with Keil. I am working on the ST...
STM32F103 Usart receive strange problem
Posted on May 25, 2015 at 16:45 Hi there, I try to send data from PC to my stm32 board using RS232 but each time I send data to stm I get exactly same strange other data for sample: if i send 0x12 i receive 0xc4 always and if i s...
Question about memory mapping stm32F407VE
Posted on May 24, 2015 at 16:52Hello, i have a question, since i dont have much experience working with flash... The 32F407VE is 512kbytes flash size, but when trying to read the content of the flash with ST LINK application, the flash range is on...
