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Added function to STM32F4 DMA stream driver returning its status (running or not).

This commit is contained in:
Silvano Seva 2023-04-15 09:56:15 +02:00
parent 2931a83303
commit 4d03d1535c
1 changed files with 15 additions and 5 deletions
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20
platform/mcu/STM32F4xx/drivers/DmaStream.hpp
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@ -154,7 +154,7 @@ public:
* The stream does not stop immediately but only when it reaches the half * The stream does not stop immediately but only when it reaches the half
* or the end of the transfer. * or the end of the transfer.
*/ */
void stop() inline void stop()
{ {
stopTransfer = true; stopTransfer = true;
} }
@ -163,18 +163,28 @@ public:
* Forcefully stop an ongoing DMA stream. * Forcefully stop an ongoing DMA stream.
* Calling this function causes the immediate stop of an ongoing stream. * Calling this function causes the immediate stop of an ongoing stream.
*/ */
void halt() inline void halt()
{ {
stopTransfer = true; stopTransfer = true;
NVIC_SetPendingIRQ(IRQn); NVIC_SetPendingIRQ(IRQn);
} }
/**
* Query che the current status of the stream.
*
* @return true if the stream is active, false otherwise.
*/
inline bool running()
{
return (stream->CR & DMA_SxCR_EN) ? true : false;
}
/** /**
* Register a function to be called on stream end. * Register a function to be called on stream end.
* *
* @param callback: std::function for the stream end callback. * @param callback: std::function for the stream end callback.
*/ */
void setEndTransferCallback(std::function<void()>&& callback) inline void setEndTransferCallback(std::function<void()>&& callback)
{ {
streamEndCallback = callback; streamEndCallback = callback;
} }
@ -267,7 +277,7 @@ public:
/** /**
* Low-level shutdown of a DMA stream. * Low-level shutdown of a DMA stream.
*/ */
static void terminate() static inline void terminate()
{ {
NVIC_DisableIRQ(IRQn()); NVIC_DisableIRQ(IRQn());
getStream()->CR = 0; getStream()->CR = 0;
@ -279,7 +289,7 @@ public:
* *
* @param hdl: pointer to the StreamHandler class managing the stream. * @param hdl: pointer to the StreamHandler class managing the stream.
*/ */
static void IRQhandleInterrupt(StreamHandler *hdl) static inline void IRQhandleInterrupt(StreamHandler *hdl)
{ {
uint32_t flags = readIrqFlags(); uint32_t flags = readIrqFlags();
hdl->IRQhandler(flags); hdl->IRQhandler(flags);