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Debugging of smartcard insertion interrupt

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Currently the smartcard insertion interrupt is always triggered,
but when checking in PIO_ISR which pin triggered the interrupt
often times DTXD is returned (the debug transmit line which is printing
debug messages at the moment..)
This commit is contained in:
Christina Quast
2015-01-09 16:14:19 +01:00
parent 405cc03348
commit f03396802a
1 changed files with 10 additions and 1 deletions
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11
sam3s_example/mains/at91lib_based_ccid_example.c
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@@ -173,7 +173,11 @@ Output:
+++++ Trying to check for pending interrupts (PIO ISR: 0x400)) = 1<<10 +++++ Trying to check for pending interrupts (PIO ISR: 0x400)) = 1<<10
+++++ Mask: 0x100 = 1<<8 +++++ Mask: 0x100 = 1<<8
*/ */
// PA10 is DTXD, which is the debug uart transmit pin
printf("Interrupt!!\n\r");
/* Check all pending interrupts */ /* Check all pending interrupts */
// FIXME: this if condition is not always true...
if ( (pinSmartCard.pio->PIO_ISR & pinSmartCard.mask) != 0 ) if ( (pinSmartCard.pio->PIO_ISR & pinSmartCard.mask) != 0 )
{ {
/* Check current level on pin */ /* Check current level on pin */
@@ -181,11 +185,13 @@ Output:
{ {
sim_inserted = 1; sim_inserted = 1;
printf( "-I- Smartcard inserted\n\r" ) ; printf( "-I- Smartcard inserted\n\r" ) ;
CCID_Insertion();
} }
else else
{ {
sim_inserted = 0; sim_inserted = 0;
printf( "-I- Smartcard removed\n\r" ) ; printf( "-I- Smartcard removed\n\r" ) ;
CCID_Removal();
} }
} }
} }
@@ -317,7 +323,10 @@ extern int main( void )
} }
// FIXME. what if smcard is not inserted? // FIXME. what if smcard is not inserted?
CCID_Insertion(); if(PIO_Get(&pinSmartCard) == 0) {
printf("SIM card inserted\n\r");
CCID_Insertion();
}
// Infinite loop // Infinite loop
while (1) { while (1) {