About danpuccio9

danpuccio9 · 2015-04-22

Posted on April 22, 2015 at 19:02I have a board using an STM32F105. There is a GPS connected to UART4. I've been trying to get the RXNE interrupt working for a couple of days now, but I must be missing something. The UART seems to be enabled, as I...

danpuccio9 · 2015-04-24

Posted on April 24, 2015 at 20:05Thanks for the help. The blind receive and send were a test just to confirm that the UART was enabled properly and working, which it seems to be. It never gets to the ISR. I added the extern like you had in your po...

danpuccio9 · 2015-04-24

Posted on April 24, 2015 at 17:21 The original post was too long to process during our migration. Please click on the provided URL to read the original post. https://st--c.eu10.content.force.com/sfc/dist/version/download/?oid=00Db0000000YtG6&ids=0...

danpuccio9 · 2015-04-24

Posted on April 24, 2015 at 14:36I noticed that too. It would be really nice if ST would stop breaking things on their web site and redirect that effort to technical support for their customers.

danpuccio9 · 2015-04-24

Posted on April 24, 2015 at 14:32So I made a change to poll UART4 and take any byte received and then immediately transmit that byte out the same UART. That code seems to work OK. Why won't the interrupt trigger? What else needs to be enabled?

danpuccio9 · 2015-04-23

Posted on April 23, 2015 at 15:54Thanks for the suggestion. The code does enable the clock at startup with the following line: RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR|RCC_APB1Periph_CAN1|RCC_APB1Periph_UART4, ENABLE); What else could cause th...

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