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-rw-r--r--src/portable/raspberrypi/rp2040/dcd_rp2040.c19
-rw-r--r--src/portable/raspberrypi/rp2040/rp2040_usb.c26
-rw-r--r--src/portable/raspberrypi/rp2040/rp2040_usb.h2
3 files changed, 31 insertions, 16 deletions
diff --git a/src/portable/raspberrypi/rp2040/dcd_rp2040.c b/src/portable/raspberrypi/rp2040/dcd_rp2040.c
index 35faba628..d5a105a29 100644
--- a/src/portable/raspberrypi/rp2040/dcd_rp2040.c
+++ b/src/portable/raspberrypi/rp2040/dcd_rp2040.c
@@ -246,32 +246,37 @@ static void __tusb_irq_path_func(dcd_rp2040_irq)(void)
{
uint32_t const status = usb_hw->ints;
uint32_t handled = 0;
- bool keep_sof_alive = false;
if (status & USB_INTF_DEV_SOF_BITS)
{
+ bool keep_sof_alive = false;
+
handled |= USB_INTF_DEV_SOF_BITS;
#if TUD_OPT_RP2040_USB_DEVICE_UFRAME_FIX
last_sof = time_us_32();
- for (uint8_t i = 0; i < USB_MAX_ENDPOINTS; i++) {
+ for (uint8_t i = 0; i < USB_MAX_ENDPOINTS; i++)
+ {
struct hw_endpoint *ep = hw_endpoint_get_by_num(i, TUSB_DIR_IN);
hw_endpoint_lock_update(ep, 1);
+
// Bulk IN endpoint in a transfer?
- if (rp2040_ep_needs_sof(ep) && ep->active)
- keep_sof_alive = true;
+ if (rp2040_ep_needs_sof(ep) && ep->active) keep_sof_alive = true;
+
// Deferred enable?
- if (ep->pending) {
+ if (ep->pending)
+ {
hw_endpoint_start_next_buffer(ep);
ep->pending = 0;
}
+
hw_endpoint_lock_update(ep, -1);
}
#endif
+
// disable SOF interrupt if it is used for RESUME in remote wakeup
- if (!keep_sof_alive && !_sof_enable)
- usb_hw_clear->inte = USB_INTS_DEV_SOF_BITS;
+ if (!keep_sof_alive && !_sof_enable) usb_hw_clear->inte = USB_INTS_DEV_SOF_BITS;
dcd_event_sof(0, usb_hw->sof_rd & USB_SOF_RD_BITS, true);
}
diff --git a/src/portable/raspberrypi/rp2040/rp2040_usb.c b/src/portable/raspberrypi/rp2040/rp2040_usb.c
index 6a9f162a5..b7790e0c1 100644
--- a/src/portable/raspberrypi/rp2040/rp2040_usb.c
+++ b/src/portable/raspberrypi/rp2040/rp2040_usb.c
@@ -57,13 +57,14 @@ bool rp2040_critical_frame_period(struct hw_endpoint *ep)
{
uint32_t delta;
- if (usb_hw->main_ctrl & USB_MAIN_CTRL_HOST_NDEVICE_BITS)
- return false;
+ if (usb_hw->main_ctrl & USB_MAIN_CTRL_HOST_NDEVICE_BITS) return false;
if (tu_edpt_dir(ep->ep_addr) == TUSB_DIR_OUT ||
ep->transfer_type == TUSB_XFER_INTERRUPT ||
ep->transfer_type == TUSB_XFER_ISOCHRONOUS)
+ {
return false;
+ }
/* Avoid the last 200us (uframe 6.5-7) of a frame, up to the EOF2 point.
* The device state machine cannot recover from receiving an incorrect PID
@@ -78,10 +79,8 @@ bool rp2040_critical_frame_period(struct hw_endpoint *ep)
}
bool rp2040_ep_needs_sof(struct hw_endpoint *ep) {
- if (tu_edpt_dir(ep->ep_addr) == TUSB_DIR_IN &&
- ep->transfer_type == TUSB_XFER_BULK)
- return true;
- return false;
+ return (tu_edpt_dir(ep->ep_addr) == TUSB_DIR_IN &&
+ ep->transfer_type == TUSB_XFER_BULK);
}
#endif
@@ -115,12 +114,15 @@ void __tusb_irq_path_func(hw_endpoint_reset_transfer)(struct hw_endpoint *ep)
ep->user_buf = 0;
}
-void __tusb_irq_path_func(_hw_endpoint_buffer_control_update32)(struct hw_endpoint *ep, uint32_t and_mask, uint32_t or_mask) {
+void __tusb_irq_path_func(_hw_endpoint_buffer_control_update32)(struct hw_endpoint *ep, uint32_t and_mask, uint32_t or_mask)
+{
uint32_t value = 0;
+
if ( and_mask )
{
value = *ep->buffer_control & and_mask;
}
+
if ( or_mask )
{
value |= or_mask;
@@ -146,6 +148,7 @@ void __tusb_irq_path_func(_hw_endpoint_buffer_control_update32)(struct hw_endpoi
#endif
}
}
+
*ep->buffer_control = value;
}
@@ -247,13 +250,18 @@ void hw_endpoint_xfer_start(struct hw_endpoint *ep, uint8_t *buffer, uint16_t to
ep->user_buf = buffer;
if (rp2040_ep_needs_sof(ep))
+ {
usb_hw_set->inte = USB_INTS_DEV_SOF_BITS;
+ }
- if(!rp2040_critical_frame_period(ep)) {
+ if(!rp2040_critical_frame_period(ep))
+ {
hw_endpoint_start_next_buffer(ep);
- } else {
+ } else
+ {
ep->pending = 1;
}
+
hw_endpoint_lock_update(ep, -1);
}
diff --git a/src/portable/raspberrypi/rp2040/rp2040_usb.h b/src/portable/raspberrypi/rp2040/rp2040_usb.h
index e7fee3e3a..d41abfee0 100644
--- a/src/portable/raspberrypi/rp2040/rp2040_usb.h
+++ b/src/portable/raspberrypi/rp2040/rp2040_usb.h
@@ -82,6 +82,7 @@ typedef struct hw_endpoint
// Transfer scheduled but not active
uint8_t pending;
+
#if CFG_TUH_ENABLED
// Only needed for host
uint8_t dev_addr;
@@ -89,6 +90,7 @@ typedef struct hw_endpoint
// If interrupt endpoint
uint8_t interrupt_num;
#endif
+
} hw_endpoint_t;
#if !TUD_OPT_RP2040_USB_DEVICE_UFRAME_FIX