Fixed resetting interrupt

sle118 · Jul 26, 2024 · 672aca8 · 672aca8
1 parent a2351ba
commit 672aca8
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/components/services/gpio_exp.c b/components/services/gpio_exp.c
@@ -689,7 +689,9 @@ static void aw9523_set_direction(gpio_exp_t* self) {
 }
 
 static uint32_t aw9523_read(gpio_exp_t* self) {
-	return i2c_read(self->phy.port, self->phy.addr, 0x00, 2);
+	// Reading both registers in one go does not seem to reset IRQ correctly
+	uint8_t port1 = i2c_read(self->phy.port, self->phy.addr, 0x00, 1);
+	return (i2c_read(self->phy.port, self->phy.addr, 0x01, 1) << 8) | port1;
 }
 
 static void aw9523_write(gpio_exp_t* self) {
@@ -818,4 +820,4 @@ static uint32_t spi_read(spi_device_handle_t handle, uint8_t addr, uint8_t reg,
 	free(transaction);
 
 	return data;
-}
+}