Signal manager

[Ярослав Лещинский]

Andrei, thanks!
17 мая 2016 г. 8:31 пользователь <groups at chichak.ca> написал:

>
> On 2016-May-16, at 11:10, Ярослав Лещинский <midniwalker at gmail.com> wrote:
>
> Hello. I'm try to use rtems with my stm board(stm32f4xx). And for now i
> have one problem: it's about ISR. The thing is, i have my own drivers,
> which uses isr(exti driver, uart and etc). I read rtems c-user manual
> properly,  but still can't understand clearly, how i can bring control to
> rtems signal manager via ASR. I'll be appreciated, if someone can give some
> advise.
>
> Yaroslavl.
>
>
> In my code I use interrupts for DMA with ADCs, and CAN using the HAL
> interrupt handler callback structure.
>
> In this case, DMA2_Stream2_IRQHandler calls HAL_DMA_IRQHandler in
>  stm32f4xx_hal_dma.c which figures what caused the interrupt and calls
> the appropriate callback.
>
> In my ADC code I use this:
>
> rtems_status_code status;
> *const* *char* ADC1handlerName[] = "AD1r";
> status = *rtems_interrupt_handler_install*((rtems_vector_number)
> DMA2_Stream2_IRQn,
> ADC2handlerName, RTEMS_INTERRUPT_UNIQUE,
> (rtems_interrupt_handler) DMA2_Stream2_IRQHandler, NULL);
> *if* (status != *RTEMS_SUCCESSFUL*) {
> *printk*("interrupt handler install 2 failed with %d\n", status);
> }
>
>
> Later, I have the interrupt callbacks:
>
> *void* *HAL_ADC_ConvCpltCallback*(ADC_HandleTypeDef* hadc) {
>
> rtems_status_code status;
> status = *rtems_event_send*(ADCTaskId, RTEMS_EVENT_0);
> *if* (status != *RTEMS_SUCCESSFUL*) {
> *printk*("complete callback failed with %d", status);
> }
> }
>
> *void* *HAL_ADC_ConvHalfCpltCallback*(ADC_HandleTypeDef* hadc) {
>
> rtems_status_code status;
> status = *rtems_event_send*(ADCTaskId, RTEMS_EVENT_1);
> *if* (status != *RTEMS_SUCCESSFUL*) {
> *printk*("half complete callback failed with %d", status);
> }
> }
>
>
> In my CAN code I use:
>
> rtems_status_code status;
>
> status = *rtems_interrupt_handler_install*(CAN1_RX0_IRQn, "CANR",
> RTEMS_INTERRUPT_UNIQUE,
> (rtems_interrupt_handler) CAN1_RX0_IRQHandler, NULL);
> *if* (status != *RTEMS_SUCCESSFUL*) {
> *printk*("Pressure task interrupt install bombed with %d\n", status);
> }
>
> and use the two call back functions *HAL_CAN_RxCpltCallback* and *HAL_CAN_ErrorCallback
> i*n the same way as the ADC callbacks.
>
> The symbol for external interrupt looks like EXTI0_IRQn and the UART
> would be like USART2_IRQn.
>
>
> Andrei from The Great White North.
>
>
>
>
>
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