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dali Lighting Interface

Posted on July 13, 2017 at 11:38HiST has a DALI V1 library.Was this tested by DALI AG?Are there any plany to update it to DALI V2?Is there a ST third party offering a DALI V2 library?Thx

communication through rs485 modbus protocol

Posted on July 10, 2017 at 11:07Hi, My question is i want to communicate through uart between  stm32f030 board  and inverter ,I am using rs485 converter to TTL board.communication has done through modbus protocol.Driver enable pin is high data will ...

in stm32f0 usart with lpc1768 problem?

Posted on July 13, 2017 at 07:31 hi im connecting two board that one of them is stm32f0 and i configure its usart as this below /* Enable the peripheral clock of GPIOA */ RCC->AHBENR |= RCC_AHBENR_GPIOAEN; GPIOA->MODER |= GPIO_MODER_MOD...

[F2 FW1.6.0] CAN_Receive_IT why new pRx1Msg?

Posted on June 06, 2017 at 04:35 Hi, I just upgraded from F2 HAL library v1.4.0 to v1.6.0 and noticed that CAN_Receive_IT now uses two separate RxMessage buffers in its CAN_HandleTypeDef struct. One per CAN FIFO, as can be seen here: static...

Bug STM32CubeF1 V1.4.0: CanTxIrq

Posted on June 28, 2017 at 13:58The CANX_TX_IRQ is called unexpected cause the HAL_CAN_Receive_IT enables the CAN_IT_TME. As a result every can rx irq also the can tx irq is called. This costs time and i've some other side effects in my application....

Resolved! Derive an exact timer rate from PLL

Posted on May 30, 2017 at 20:46 Hello, I am working with the STM32L486 chipset and we need to generate an exact 38400Hz timer. Currently we have a 5MHz or 25MHz external clock coming in but the PLL clock tree does not seem to favor getting the ex...

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Resolved! STM32F413 dual CAN receive on slave CAN issue

Posted on July 11, 2017 at 17:16I am using the STM32F413 and am trying to use CAN1 and CAN2 in a ring topology (CAN1 sends and if CAN2 doesn't get the message then I know I have a network connectivity failure). I use the latest CubeMX to generate th...

Resolved! [HAL SD driver] Possible Bug in FATFS_LinkDriverEx?

Posted on July 12, 2017 at 04:50 Hi, following scenario: I use one SD card on my pcb (4 wire sdio) with fatfs and FreeRTOS. The generated driver init function from ST looks like following (ff_gen_drv.c): uint8_t FATFS_LinkDriverEx(Dis...

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