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rp2/machine_pin: Generalise gpio_irq handler for pins >32.

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Fix the gpio_irq function so that it looks at all six iobank0_hw->intr[n]
registers, for up to 48 IOs.

Signed-off-by: Phil Howard <phil@gadgetoid.com>
This commit is contained in:
Phil Howard
2024-07-08 16:22:56 +01:00
committed by Damien George
parent 733052f6b9
commit 57f4cabff9
1 changed files with 2 additions and 1 deletions
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3
ports/rp2/machine_pin.c
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@@ -86,6 +86,7 @@ typedef struct _machine_pin_irq_obj_t {
} machine_pin_irq_obj_t;
static const mp_irq_methods_t machine_pin_irq_methods;
static const int num_intr_regs = sizeof(iobank0_hw->intr) / sizeof(iobank0_hw->intr[0]);
// Mask with "1" indicating that the corresponding pin is in simulated open-drain mode.
uint64_t machine_pin_open_drain_mask;
@@ -99,7 +100,7 @@ static inline bool is_ext_pin(__unused const machine_pin_obj_t *self) {
#endif
static void gpio_irq(void) {
for (int i = 0; i < 4; ++i) {
for (int i = 0; i < num_intr_regs; ++i) {
uint32_t intr = iobank0_hw->intr[i];
if (intr) {
for (int j = 0; j < 8; ++j) {