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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
+++++ Mask: 0x100 = 1<<8
*/
// PA10 is DTXD, which is the debug uart transmit pin
printf("Interrupt!!\n\r");
/* Check all pending interrupts */
// FIXME: this if condition is not always true...
if ( (pinSmartCard.pio->PIO_ISR & pinSmartCard.mask) != 0 )
{
/* Check current level on pin */
@@ -181,11 +185,13 @@ Output:
{
sim_inserted = 1;
printf( "-I- Smartcard inserted\n\r" ) ;
CCID_Insertion();
}
else
{
sim_inserted = 0;
printf( "-I- Smartcard removed\n\r" ) ;
CCID_Removal();
}
}
}
@@ -317,7 +323,10 @@ extern int main( void )
}
// FIXME. what if smcard is not inserted?
CCID_Insertion();
if(PIO_Get(&pinSmartCard) == 0) {
printf("SIM card inserted\n\r");
CCID_Insertion();
}
// Infinite loop
while (1) {