Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

IORD 11.0 vs IORD 9.1

Hello, Code: --- Quote Start --- int main() { int i; while(1) { i = IORD_ALTERA_AVALON_PIO_EDGE_CAP(BUTTON_BASE); printf("PIO ED...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Decimal 513 = Hex 201

Decimal 520 = Hex 208

Then the changing bits are the same in both versions

Since it's a 4-bit PIO you must consider the bits above 4 as "don't care". Their status is not deterministic.