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Add unused pin state traverse and initialization facility

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This commit is contained in:
jflyper 2020-01-21 12:18:43 +09:00
parent e02716a8a4
commit a88d5470eb
4 changed files with 26 additions and 0 deletions
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6
src/main/drivers/io.c
View file

@ -471,3 +471,9 @@ IO_t IOGetByTag(ioTag_t tag)
return ioRecs + offset;
}
void IOTraversePins(IOTraverseFuncPtr_t fnPtr)
{
for (int i = 0; i < DEFIO_IO_USED_COUNT; i++) {
fnPtr(&ioRecs[i]);
}
}

4
src/main/drivers/io.h
View file

@ -127,3 +127,7 @@ void IOConfigGPIOAF(IO_t io, ioConfig_t cfg, uint8_t af);
#endif
void IOInitGlobal(void);
typedef void (*IOTraverseFuncPtr_t)(IO_t io);
void IOTraversePins(IOTraverseFuncPtr_t func);

15
src/main/drivers/system.c
View file

@ -26,10 +26,13 @@
#include "build/atomic.h"
#include "drivers/io.h"
#include "drivers/light_led.h"
#include "drivers/nvic.h"
#include "drivers/resource.h"
#include "drivers/sound_beeper.h"
#include "system.h"
#if defined(STM32F3) || defined(STM32F4) || defined(STM32F7) || defined(STM32H7)
@ -269,3 +272,15 @@ void initialiseMemorySections(void)
memcpy(&_sfastram_data, &_sfastram_idata, (size_t) (&_efastram_data - &_sfastram_data));
#endif
}
static void initializeUnusedPin(IO_t io)
{
if (IOGetOwner(io) == OWNER_FREE) {
IOConfigGPIO(io, IOCFG_IPU);
}
}
void initializeUnusedPins(void)
{
IOTraversePins(initializeUnusedPin);
}

1
src/main/drivers/system.h
View file

@ -83,3 +83,4 @@ typedef void extiCallbackHandlerFunc(void);
void registerExtiCallbackHandler(IRQn_Type irqn, extiCallbackHandlerFunc *fn);void unregisterExtiCallbackHandler(IRQn_Type irqn, extiCallbackHandlerFunc *fn);
void initializeUnusedPins(void);