Solved

Posted on October 28, 2017 at 07:17       Hi Can I connect the positive output voltage terminal of my off-line power supply using Viper16L to AC-main's (N) terminal (doesn't make sense though) to trigger a snubberless triac (T435-800T) as I drawn below. Is there any way to avoid isolated power supplies in such cases? Please let me know your opinion. Thanking you.   #triac #snubberless

Posted on November 15, 2017 at 19:54I am using STM32F042F6 uC.  I am not sure why this HAL_PWR_EnterSTANDBYMode() does not put the uC to sleep mode.  But the odd thing is in certain condition, it does go the Standby mode, but in some other boards, the uC does not go to standby mode.  I would think this function is unconditionally put the uC to Standby mode.  Is there any condition in which the uC cannot be put into Standby mode?  Why would in some condition I can put uC in standby and in some I could not?Thanks.

Posted on November 16, 2017 at 11:32Hi !I'm working on a STM32L031 project, and I need to read 10 digital 0V-3v3 Inputs.Everything works fine if i'm reading 5 inputs (PA3, PA4, PA5, PA6, PA7). It is also working if I'm reading 5 other inputs (PB3, PB4, PB5, PB6, PB7).But as soon as I plug both PA3, PA4, PA5, PA6, PA7 and PB3, PB4, PB5, PB6, PB7, it stops working.I checked using a voltmetre in the 10 inputs config, and 4 inputs don't rise to 3v3, but only 1V.So It only reads 3 inputs of (PA3, PA4, PA5, PA6, PA7) and 3 inputs of (PB3, PB4, PB5, PB6, PB7).Would it be a problem of current sinking ? or just a wrong software configuration ?I tried configuring inputs with and without pull down.I checked GND is common to every inputs.Any ideas ?thanks for your time.Hugo#current-sink #digital-input #stm32l0 #3v3

Posted on November 07, 2017 at 09:24Hello every body we are using stm32f103xx microcontrollers , we want to send our data by wireless using spirit1 module ,- is it possible ?-which library is suitable ?-what about distance amd range of gigahertz modules ?urgent help needed plz thanks Samah Tarhan Argebilisim 

Posted on November 14, 2017 at 18:30Hello,I am using the SPWF04 to provide Wifi acces to my system, interfacing by SPI. SPI works fine but I receive the following 'Console active' WIND message:02 10 00 02 00 0d syncKOE : WINDIndication Nb : WIND ID 0 -> 'console active'length : 0x0002payload : '<cr>'In UM2114 there is no payload for this WIND message, then my question is :Why the payload lenght is 2 but the payload is only one Carriage Return char? Is it normal?Thank you for your helpIn attachement, the SPI dialog without MOSI to receive the WIND message#console #spi #spwf04 #wind-message

Posted on November 14, 2017 at 16:40Hey,i have a STMF070CB microcontroller and use one pin for exti and spi-miso.The pin is configured as EXTI as follows:GPIO_InitStruct.Pin = GPIO_PIN_6; GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);HAL_GPIO_WritePin(GPIOA, GPIO_PIN_6, GPIO_PIN_SET);/* EXTI interrupt init*/ HAL_NVIC_SetPriority(EXTI4_15_IRQn, 0, 3); HAL_NVIC_EnableIRQ(EXTI4_15_IRQn);SPI is configured as follows:static void MX_SPI1_Init(void){hspi1.Instance = SPI1; hspi1.Init.Mode = SPI_MODE_MASTER; hspi1.Init.Direction = SPI_DIRECTION_2LINES; hspi1.Init.DataSize = SPI_DATASIZE_8BIT; hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; hspi1.Init.CLKPhase = SPI_PHASE_2EDGE; hspi1.Init.NSS = SPI_NSS_SOFT; hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32; //APB:48MHz -> Prescaler 16 -> 3MHz (nearest possible above 2MHz) should be 16, but 32 took since didn't work

Posted on August 28, 2017 at 13:46Hello everyone,I am setting up a project to make some tests with an STM32F7 MCU. I am using the STM32Cube HAL and the idea is to configure some timers and their interrupts using this HAL. The board is equipped with and 25MHz HSE so in the code I am configuring the HSE and disabling the PLL.The problem is that if I don't write the SysTick_Handle() function inside my code the MCU and the interrupts don't work. The PC goes to the SysTick_Handler() defined inside 'startup_stm32f769xx.s'.I am trying to understand why is it a must to define the SysTick_Handler() in the code so you can use the HAL properly but I am not sure whether I really understand why.In the FAQs of the HAL manual the third step of the sequence to use the HAL drivers is:'Add HAL_IncTick() function under SysTick_Handler() ISR function to enable polling process when using HAL_Delay() function'But I am not using the HAL_Delay() function, so why I need to define it?Anyone can help with this?

Posted on November 12, 2017 at 08:35Hi, I'm working with LIS2DE12 for motion detection. I have configured INT1. Whenever motion is detected I'm reading  INT1_SRC but its value is not changing. It is always same 01101000. Here's the configurations I have set.CNTRL_REG0 = 10h    //SDO pull_up connectedCNTRL_REG1 = 3Fh   //25Hz, Enable XYZ axesCNTRL_REG2= 03h    //HPF enabled for InterruptCNTRL_REG3= 40h    //INT1 on INT1 pinCNTRL_REG4 =00h    //Default BDU disabledCNTRL_REG5= 04h     //4D enabledCNTRL_REG6= 20h    // INT2 Interrupt on INT2 pin /clk INT2 & activity INT DISABLED..INT1_CFG       = 7Fh    //X,Y,Z interrupts , 6-D enabledINT1_THS       = 05h INT1_DUR      = 03h      //  (03/25) seconds.Also OUT_X_H, OUT_Y_H, and OUT_Z_H gives alwa

Posted on March 02, 2017 at 18:57The new format of code generation makes a BUG in the file: bsp_driver_sd.hThe BUG prevent building FAT_FS modulesTo solve the issue line 67 should be changed with the following ones:&sharpifndef BSP_SD_CardInfo  &sharpdefine BSP_SD_CardInfo HAL_SD_CardInfoTypedef  &sharpdefine SD_CardInfo HAL_SD_CardInfoTypedef&sharpendif?DETAILS: there was a typo in the first define (capital vs small cap Typedef vs TypeDef)The second define is the one required by sd_diskio.c...Middlewares/Third_Party/FatFs/src/drivers/sd_diskio.c:161:3: error: unknown type name 'SD_CardInfo'   SD_CardInfo CardInfo;This is an error in code generation (e.g. cube program) and not the library files and there is no way to rollback after an update (very annoying).  Any help in solving this issue faster is appreciated.C.Alberto Avizzano#endif

Posted on March 07, 2017 at 11:48Hi We are using X-NUCLEO-IDB05A1. Why EEPROM is used in the board.

Posted on November 10, 2017 at 13:29Hello,I am using the arm-eabi-none- toolchain on Mac OS X 10.11 using STM32CubeMX 4.22.1 to create the initialization code, a Makefile that I wrote and the ST-Link/v2 for programming.  With that environment, I can get SWO printf debugging working without problems.  However, when I use the same software together with the Makefile created by STM32CubeMX (with 'Makefile' selected in the 'Toolchain / IDE' box), SWO pintf debugging does not work.  Sadly, I have to switch from my hand-crafted Makefile to the one generated by STM32CubeMX and so I must get this working.Can anyone help with this?  I can post a minimum example if necessary, but I suspect that there is a flag missing somewhere.  Since my Makefile searches the Drivers subdirectory for all files that meet the search criteria, but the STM32CubeMX Makefile doesn't appear to do that, I think that mine is including a file that the Cube one doesn't.Could someone adv

Posted on November 08, 2017 at 15:28I have a ST-LINK-V1 connected to a OLIMEXINO-STM32, an F103RBT6 using the System Workbench.Using the ST-LINK utility I can see that I communicate to the ST-LINK. I can flash the com light and change basic configuration.But when I try to connect to the device it times out without much feedback as to why.Trying to connect for debug on the WB there is more detailed information.It seems to connect, I see the unit voltage but it says '0' breakpoints and something about not connecting through JTAG even though i have SWD selected. Since I an writing this from my cel phone, I'll submit this and go to the computer to to collect images and data and post a subsequent post.

Posted on November 12, 2017 at 16:57I make a simple project to write and read data from FLASH OTP. I checked states of 16 blocks in OTP , have 3 block is block (state 0x00) and i write to other block with state 0xff. But i just correct only 1 times, and i try to change some data to write and read it back again, it's wrong data. Please help me to dead with this problem , and how i can 'unblock' 3 block are blocked with st-utility 5.1. 

Posted on November 12, 2017 at 19:09Hi,I am using this micro controller for one of my application. My need is to store some data permanently and retrieve it when required. I could find this series of controller has 8KB EEPROM. I want to write some configurations and read them as and when required. I have tried to look online for some available library for this purpose but failed to do so. I could find some definitions available in 'stm32l1xx_flash.c' for flash/eeprom write but there is no definition for reading from it. I have also tried to check the concerned registers which can be used to read data from eeprom in the STM32L152 series reference manual but unable to find any.Can anyone please help me in this regard?RegardsSingh

Posted on November 10, 2017 at 09:13I ported the RT-Thread (RTOS) to the SPCRT-Thread introduction：https://github.com/RT-Thread/rt-threadIf you have questions, please contact me:mailto:snikeguo@foxmail.com

Posted on November 11, 2017 at 20:28Dear All,[Micro controller Configuration]- Nucleo L476RG- x-Nucleo-IDW01M1[Issue Description]- I am using the wifi client_socket example project from STM and configuring button B1, line 13 (PC.13) to interrupt mode. Below are the configuration details and code snapshot,i) To the existing code from the example project, 2 functions are added a) to configure the pin to interrupt mode [EXTI15_10_IRQHandler_Config()] ( b) call back function. [HAL_GPIO_EXTI_Callback()]/*********************************Code Start*******************************************/int main(void){ uint8_t socket_open = 0; uint32_t portnumber = 32000;//23 for 4.ifcfg.me;//37 for nist.gov uint16_t len; /*Take care to change the length of the text we are sending*/ char *protocol = 't';//t -> tcp , s-> secure tcp char *data = 'Hello World!\r\n'; len = strlen(data);WiFi_Status_t status = WiFi_MODULE_SUCCESS; __GPIOA_CLK_ENABLE(); HAL_Init();/* Configure the system clock to 64 MHz

Posted on November 09, 2017 at 22:50http://www.st.com/content/ccc/resource/technical/document/datasheet/group0/72/cb/80/a7/5e/fe/46/9d/DM00153214/files/DM00153214.pdf/jcr:content/translations/en.DM00153214.pdfsays it provides 8-bit accelerometer value. But then again it says ''The LIS2DE12 contains a 10-bit, 32-level FIFO''. Why?I am assuming it is 8bit, but then why do I need to read two bytes (for example, to get X-axis value from OUT_X_H [29h] ) ? Isn't it supposed to be 1 byte for a single axis, 3 bytes for a single FIFO and 96 bytes for whole FIFO as opposed to 2bytes, 6bytes and 192 bytes?#accelerometer #mems

Posted on November 10, 2017 at 08:07what is serial driver exactly? Role of serial driver? and how it works for GSM M66 module.

Posted on November 07, 2017 at 12:42when i wrote code in spc5studio, and am using B line(SPC560B54L5), in that case program control goes onto IVOR and stuck their.can you please help what should i do?

Posted on October 21, 2017 at 00:43I am trying read the X, Y, Z values in FIFO mode. I don't understand the reading procedure.Do I need to start reading from FIFO_READ_START and continue reading 6 bytes and then initiate another reading from FIFO_READ_START? orDo I need to read  OUT_X_H (2bytes),  OUT_Y_H(2bytes) and  OUT_Z_H(2bytes) and continue till I read all 32 levels?

Posted on November 10, 2017 at 03:25 Hello I am looking at the STM32F429 Discovery board Flash memory sample source as below. I'm recording Hex values in flash memory. The sample is to be input with a value of 4 bytes Hex ((uint32_t) 0x12345678). Tell me how to write text (hello world) and date (2017-11-09) to Flash memory Thank you. Have a nice day!! ============================== sample source =================================== #define FLASH_USER_START_ADDR ADDR_FLASH_SECTOR_2 /* Start @ of user Flash area */ #define FLASH_USER_END_ADDR ADDR_FLASH_SECTOR_23 + GetSectorSize(ADDR_FLASH_SECTOR_23) -1 /* End @ of user Flash area : sector start address + sector size -1 */ #define DATA_32 ((uint32_t)0x12345678) EraseInitStruct.TypeErase = FLASH_TYPEERASE_SECTORS; EraseInitStruct.VoltageRange = FLASH_VOLTAGE_RANGE_3; EraseInitStruct.Sector = FirstSector; EraseInitStruct.NbSectors = NbOfSectors; while (Address < FLASH_USER_END_ADDR) { if (HAL_FLASH_Progra

Posted on November 06, 2017 at 16:22The original post was too long to process during our migration. Please click on the attachment to read the original post.

Posted on November 09, 2017 at 02:11I downloaded the latest SPC5Studio version 5.5.  If I check for updates, it looks for http://spc5.drive.cloudforge.com/projects/spc5releases/spc5studio/updates5 which does not exist.  The root branches for SPC5Studio have source for 5.3.2, which leaves me thinking that this way of updating is deprecated?  Help>>>Check for Updates... gives error.  Anyone available for a retainer, week's worth of work from home to hold my hand a little, please contact me.

Posted on October 17, 2017 at 22:27Hello,I am trying to estimate power consumption on the stm32h7. The use case i am interested in is sampling 6 channels using ADC3 and transferring the sampled data to memory using BDMA, all this while D1 and D2 domains are in stop mode and only D3 is working. The thing is that i am not able to configure the D1&D2 to stop modes. If i set the power mode to RUN, then D1 has only two options - DRUN/CRUN and DRUN/CSLEEP, in which case D2 only has DRUN. If i set the power mode to STOP, then D1 has DSTOP/DSTANDBY, D2 has DSTOP/DSTANDBY and D3 only has DSTOP.The power consumption in the first case looks too high to me - 17mA. And off course in the second case D3 is in DSTOP, so it is not what i want.I am doing something wrong with the configurations, or is it because STM32CubeMX Version 4.22.1 does not support this work mode in power consumption calculator?Thanks,Evgeny#stme32-cube #stm32h7 #low-power-stop-mode #power-consumption #cube-mx-power

Posted on November 08, 2017 at 22:40 Hi,I am looking for the BSDL for the following controller  (STM32F100V8T7B), I got one I am not sure whether it's correct or not. Any help would be greatly appreciatedThanks,Will