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zhausq
Associate III
since ‎2018-07-19
‎2023-06-14

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  • 16 Posts
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HAL_UART_Transmit_DMA(), only works with inline defined string and fails with globaly defined array

2020-02-09
why does this work:HAL_UART_Transmit_DMA(&huart6, (uint8_t *)"stm32\n", 6); // works and sends dataand this doesnt:ALIGN_32BYTES (uint8_t aTxBuffer[]) = "stm32\n";HAL_UART_Transmit_DMA(&huart6, (uint8_t *)aTxBuffer, 6) // doesnt send any datawhat am ...

[STM32F103] USART1 TX DMA only fires once

2016-08-06
Posted on August 06, 2016 at 15:06 I have a problem, I wrote some code based of https://github.com/g4lvanix/STM32F1-workarea/tree/master/Project/STM32F10x_StdPeriph_Examples/USART/DMA_Polling and it only fires the USART1 TX DMA once for some rea...

f103 spi slave unreliable

2016-02-04
Posted on February 05, 2016 at 04:13 I am experiencing difficulty getting the spi slave to transmit data. Receiving data works perfectly and correctly, transmitting however doesn't. Initialisation code: GPIO_InitTypeDef GPIO_InitSt...

[F103] USART IRQ fucks with I2C operation

2016-01-07
Posted on January 07, 2016 at 16:31NVIC priority group is 0USART priority is 15I2C priority is 0I2C exchanges data 100 times a second for minutes without any missed data or handups, if i activate USART it starts failing after seconds.//nvic priority...

F103 USART1 RX IRQ happens premature.

2015-12-25
Posted on December 26, 2015 at 01:55I am using the USART1 interface of an F103 and I'm havin trouble getting interrupts correctly. When receiving a byte the first interrupts get triggered while bit 6 is still underway and then a second interrupt hap...
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