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bsp/atsam: Move interrupt setup to PIO_Configure()

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This commit is contained in:
Sebastian Huber
2016-12-15 15:03:56 +01:00
parent a4936b59cb
commit a5c56afa35
2 changed files with 21 additions and 25 deletions
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21
c/src/lib/libbsp/arm/atsam/libraries/libchip/source/pio.c
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@@ -205,6 +205,27 @@ static void PIO_SetInput(
pio->PIO_IFSCER = mask; pio->PIO_IFSCER = mask;
} }
/* Configure additional interrupt mode registers */
if (attribute & PIO_IT_AIME) {
// enable additional interrupt mode
pio->PIO_AIMER = mask;
// if bit field of selected pin is 1, set as Rising Edge/High level detection event
if (attribute & PIO_IT_RE_OR_HL)
pio->PIO_REHLSR = mask;
else
pio->PIO_FELLSR = mask;
/* if bit field of selected pin is 1, set as edge detection source */
if (attribute & PIO_IT_EDGE)
pio->PIO_ESR = mask;
else
pio->PIO_LSR = mask;
} else {
/* disable additional interrupt mode */
pio->PIO_AIMDR = mask;
}
/* Configure pin as input */ /* Configure pin as input */
pio->PIO_ODR = mask; pio->PIO_ODR = mask;
pio->PIO_PER = mask; pio->PIO_PER = mask;

25
c/src/lib/libbsp/arm/atsam/libraries/libchip/source/pio_it.c
View File

@@ -257,14 +257,11 @@ RTEMS_SYSINIT_ITEM(PIO_SysInitializeInterrupts, RTEMS_SYSINIT_BSP_START,
void PIO_ConfigureIt(const Pin *pPin, void (*handler)(const Pin *, void *arg), void PIO_ConfigureIt(const Pin *pPin, void (*handler)(const Pin *, void *arg),
void *arg) void *arg)
{ {
Pio *pio;
InterruptSource *pSource; InterruptSource *pSource;
rtems_interrupt_level level; rtems_interrupt_level level;
TRACE_DEBUG("PIO_ConfigureIt()\n\r"); TRACE_DEBUG("PIO_ConfigureIt()\n\r");
pio = pPin->pio;
rtems_interrupt_disable(level); rtems_interrupt_disable(level);
if (_dwNumSources == MAX_INTERRUPT_SOURCES) { if (_dwNumSources == MAX_INTERRUPT_SOURCES) {
@@ -280,26 +277,4 @@ void PIO_ConfigureIt(const Pin *pPin, void (*handler)(const Pin *, void *arg),
/* Define new source */ /* Define new source */
TRACE_DEBUG("PIO_ConfigureIt: Defining new source #%d.\n\r", _dwNumSources); TRACE_DEBUG("PIO_ConfigureIt: Defining new source #%d.\n\r", _dwNumSources);
/* PIO3 with additional interrupt support
* Configure additional interrupt mode registers */
if (pPin->attribute & PIO_IT_AIME) {
// enable additional interrupt mode
pio->PIO_AIMER = pPin->mask;
// if bit field of selected pin is 1, set as Rising Edge/High level detection event
if (pPin->attribute & PIO_IT_RE_OR_HL)
pio->PIO_REHLSR = pPin->mask;
else
pio->PIO_FELLSR = pPin->mask;
/* if bit field of selected pin is 1, set as edge detection source */
if (pPin->attribute & PIO_IT_EDGE)
pio->PIO_ESR = pPin->mask;
else
pio->PIO_LSR = pPin->mask;
} else {
/* disable additional interrupt mode */
pio->PIO_AIMDR = pPin->mask;
}
} }