Handle rp2350 pio2 by using sdk pio_get_instance & PIO_IRQ_NUM

Author: jepler

src/pio_usb.c

@@ -283,10 +283,10 @@ static void configure_tx_channel(uint8_t ch, PIO pio, uint sm) {
 
 static void apply_config(pio_port_t *pp, const pio_usb_configuration_t *c,
                          root_port_t *port) {
-  pp->pio_usb_tx = c->pio_tx_num == 0 ? pio0 : pio1;
+  pp->pio_usb_tx = pio_get_instance(c->pio_tx_num);
   pp->sm_tx = c->sm_tx;
   pp->tx_ch = c->tx_ch;
-  pp->pio_usb_rx = c->pio_rx_num == 0 ? pio0 : pio1;
+  pp->pio_usb_rx = pio_get_instance(c->pio_rx_num);
   pp->sm_rx = c->sm_rx;
   pp->sm_eop = c->sm_eop;
   port->pin_dp = c->pin_dp;
@@ -336,7 +336,7 @@ void pio_usb_bus_init(pio_port_t *pp, const pio_usb_configuration_t *c,
                       root_port_t *root) {
   memset(root, 0, sizeof(root_port_t));
 
-  pp->pio_usb_tx = c->pio_tx_num == 0 ? pio0 : pio1;
+  pp->pio_usb_tx = pio_get_instance(c->pio_tx_num);
   dma_claim_mask(1<<c->tx_ch);
   configure_tx_channel(c->tx_ch, pp->pio_usb_tx, c->sm_tx);
 

src/pio_usb_device.c

@@ -291,7 +291,7 @@ usb_device_t *pio_usb_device_init(const pio_usb_configuration_t *c,
   // configure PIOx_IRQ_0 to detect packet receive start
   pio_set_irqn_source_enabled(pp->pio_usb_rx, 0, pis_interrupt0 + IRQ_RX_START,
                               true);
-  pp->device_rx_irq_num = (pp->pio_usb_rx == pio0) ? PIO0_IRQ_0 : PIO1_IRQ_0;
+  pp->device_rx_irq_num = PIO_IRQ_NUM(pp->pio_usb_rx, 0);
   irq_set_exclusive_handler(pp->device_rx_irq_num, usb_device_packet_handler);
   irq_set_enabled(pp->device_rx_irq_num, true);