STM32 and STMPE1801
Posted on May 05, 2016 at 21:50 Hello. I try to set up STMPE, using the bus I2C. I need to control a LED, and the high level on GPIO5 pin is for this purpose necessary. I do setup here so: data_i2c[0] = CHIP_ID_REG; ...
Forum Posts
STM32L052 StopMode high current
Posted on May 05, 2016 at 19:50Hi! I am using example from CubeMX FW L0 version 1.5.0 PWR/STOP MODE with RTC. I have STM32L052K8 revision Y. Current RUN/STOP = 11/6 mA (!). Where is uA??? I do'nt know. In readme file this example for: ''This example...
Undefined refference arm_math.h functions
Posted on May 05, 2016 at 15:46Hello there, I am trying to use some functions from the arm_math.h library. The problem I am getting undefined reference to them. The compiler sees the structs from arm_math.h correctly though. I dont know what is the ...
stm32f4Discovery Fat_Fs problem
Posted on May 05, 2016 at 13:21 Could anyone help me with the fat fs and f_unlink function ? I have created a project in STM32CubeMX (version 4.0), then generated C code and MDK-ARM project. The project is in attachment. I ...
Found 2 bugs in HAL_I2C_Master_Transmit_DMA().
Posted on April 10, 2016 at 20:42Run the ''I2C_TwoBoards_ComDMA'' example in Master mode. And do not connect it to a slave board (to simulate NACK). And you will find that you get stuck in the infinity loop inside the I2Cx_DMA_TX_IRQHandler(). When...
STM32F407VG: Reduce power consumption by disabling ports clock
Posted on May 04, 2016 at 10:02Hi all. I am trying to reduce power consumption in my device by disabling the GPIOs ports clocks. I did it by writing '0' in the RCC_AHB1ENR register at the required locations. However, It did not work... Then, I did ...
stm32f429 nucleo + x-nucleo-idw01m1 (wifi shield)
Posted on April 29, 2016 at 23:43Hi,I've been utilising the x-nucleo-idw01m1 projects that come with the wifi shield on the STM32f401re nucleo board and they work great. I've decided to port one of the examples to use my 429zi nucleo project. I've g...
STM32F042 blown up - what could be the reason?
Posted on April 12, 2016 at 11:39Hi there, we are prototyping a product that involves an STM32F042. It was working great but ... two units got the STM32 blown up! It just gets really hot and nearly pulls the VDD down.Some details and ideas:- We didn...
Stm32f429 GPS PPS measuring
Posted on April 20, 2016 at 09:38 Hi! I try to measure GPS PPS (pulse per second) duration by TIM2. Setting code: TIM_TimeBaseInitTypeDef TimeBaseInitStruct; TIM_ICInitTypeDef ICInitStruct; TimeBaseInitStruct.TIM_Prescaler = 0; TimeBaseIn...
self programming
Posted on May 04, 2016 at 10:58hello every onei want to design stm board which should has device firmware upgradebut in this case i have no access to boots pinsmy upgrade data will be send by 3g (GSM module) to board and 3g module just have serial ...
