| Line 38... |
Line 38... |
/* fails if x is false */
|
/* fails if x is false */
|
#define ASSERT(x) ((x)?1: fail (__FILE__, __LINE__))
|
#define ASSERT(x) ((x)?1: fail (__FILE__, __LINE__))
|
|
|
static void fail (char *file, int line)
|
static void fail (char *file, int line)
|
{
|
{
|
PRINTF( "Test failed in %s:%i\n", file, line );
|
printf( "Test failed in %s:%i\n", file, line );
|
report( 0xeeeeeeee );
|
report( 0xeeeeeeee );
|
exit( 1 );
|
exit( 1 );
|
}
|
}
|
|
|
|
|
| Line 54... |
Line 54... |
while ( 1 ) {
|
while ( 1 ) {
|
unsigned long curr = *rgpio_in;
|
unsigned long curr = *rgpio_in;
|
if ( curr == value )
|
if ( curr == value )
|
return;
|
return;
|
if ( curr != first ) {
|
if ( curr != first ) {
|
PRINTF( "While waiting for 0x%08lX, input changed from 0x%08lX to 0x%08lX\n", value, first, curr );
|
printf( "While waiting for 0x%08lX, input changed from 0x%08lX to 0x%08lX\n", value, first, curr );
|
ASSERT( 0 );
|
ASSERT( 0 );
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
| Line 81... |
Line 81... |
|
|
|
|
|
|
static void test_registers( void )
|
static void test_registers( void )
|
{
|
{
|
PRINTF( "Testing initial values of all registers\n" );
|
printf( "Testing initial values of all registers\n" );
|
ASSERT( *rgpio_oe == 0 );
|
ASSERT( *rgpio_oe == 0 );
|
ASSERT( *rgpio_inte == 0 );
|
ASSERT( *rgpio_inte == 0 );
|
ASSERT( *rgpio_ptrig == 0 );
|
ASSERT( *rgpio_ptrig == 0 );
|
ASSERT( *rgpio_ctrl == 0 );
|
ASSERT( *rgpio_ctrl == 0 );
|
ASSERT( *rgpio_ints == 0 );
|
ASSERT( *rgpio_ints == 0 );
|
|
|
PRINTF( "Verifying that RGPIO_IN is read-only\n" );
|
printf( "Verifying that RGPIO_IN is read-only\n" );
|
{
|
{
|
unsigned long value = *rgpio_in;
|
unsigned long value = *rgpio_in;
|
unsigned i;
|
unsigned i;
|
*rgpio_in = ~value;
|
*rgpio_in = ~value;
|
ASSERT( *rgpio_in == value );
|
ASSERT( *rgpio_in == value );
|
| Line 108... |
Line 108... |
static void test_simple_io( void )
|
static void test_simple_io( void )
|
{
|
{
|
unsigned i;
|
unsigned i;
|
unsigned long oe;
|
unsigned long oe;
|
|
|
PRINTF( "Testing simple I/O\n" );
|
printf( "Testing simple I/O\n" );
|
for ( i = 1, oe = 1; i < 31; ++ i, oe = (oe << 1) | 1 ) {
|
for ( i = 1, oe = 1; i < 31; ++ i, oe = (oe << 1) | 1 ) {
|
*rgpio_oe = oe;
|
*rgpio_oe = oe;
|
|
|
*rgpio_out = 0xFFFFFFFF;
|
*rgpio_out = 0xFFFFFFFF;
|
wait_input( 0xFFFFFFFF );
|
wait_input( 0xFFFFFFFF );
|
| Line 139... |
Line 139... |
|
|
static void test_interrupts( void )
|
static void test_interrupts( void )
|
{
|
{
|
unsigned i;
|
unsigned i;
|
|
|
PRINTF( "Testing interrupts\n" );
|
printf( "Testing interrupts\n" );
|
|
|
*rgpio_oe = 0x80000000;
|
*rgpio_oe = 0x80000000;
|
int_count = 0;
|
int_count = 0;
|
*rgpio_inte = 0x7fffffff;
|
*rgpio_inte = 0x7fffffff;
|
*rgpio_ptrig = 0x7fffffff;
|
*rgpio_ptrig = 0x7fffffff;
|
| Line 163... |
Line 163... |
}
|
}
|
|
|
static void test_external_clock( void )
|
static void test_external_clock( void )
|
{
|
{
|
unsigned i;
|
unsigned i;
|
PRINTF( "Testing external clock\n" );
|
printf( "Testing external clock\n" );
|
|
|
*rgpio_oe = 0x80000000;
|
*rgpio_oe = 0x80000000;
|
*rgpio_inte = 0x7fffffff;
|
*rgpio_inte = 0x7fffffff;
|
*rgpio_ptrig = 0x7fffffff;
|
*rgpio_ptrig = 0x7fffffff;
|
|
|
| Line 198... |
Line 198... |
}
|
}
|
|
|
|
|
static void endshake( void )
|
static void endshake( void )
|
{
|
{
|
PRINTF( "Finishing simulation\n" );
|
printf( "Finishing simulation\n" );
|
*rgpio_oe = 0xffff0000;
|
*rgpio_oe = 0xffff0000;
|
*rgpio_out = 0x12340000;
|
*rgpio_out = 0x12340000;
|
wait_input( 0x12345678 );
|
wait_input( 0x12345678 );
|
*rgpio_oe = 0xffffffff;
|
*rgpio_oe = 0xffffffff;
|
*rgpio_out = 0xDeadDead;
|
*rgpio_out = 0xDeadDead;
|
}
|
}
|
|
|
|
|
int main()
|
int main()
|
{
|
{
|
PRINTF( "Starting GPIO test\n" );
|
printf( "Starting GPIO test\n" );
|
|
|
init_interrupts();
|
init_interrupts();
|
|
|
test_registers();
|
test_registers();
|
test_simple_io();
|
test_simple_io();
|
test_interrupts();
|
test_interrupts();
|
test_external_clock();
|
test_external_clock();
|
endshake();
|
endshake();
|
|
|
PRINTF( "Ending GPIO test\n" );
|
printf( "Ending GPIO test\n" );
|
|
|
report (0xdeaddead);
|
report (0xdeaddead);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
