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Handle the closing of endpoints on RP2040

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This commit is contained in:
Valentin Milea 2021-12-04 16:04:48 +02:00
parent 3e9bb3bee1
commit 48e1f6d899
2 changed files with 26 additions and 6 deletions
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28
src/portable/raspberrypi/rp2040/dcd_rp2040.c
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@ -83,7 +83,7 @@ static void _hw_endpoint_alloc(struct hw_endpoint *ep, uint8_t transfer_type)
assert(((uintptr_t )next_buffer_ptr & 0b111111u) == 0); assert(((uintptr_t )next_buffer_ptr & 0b111111u) == 0);
uint dpram_offset = hw_data_offset(ep->hw_data_buf); uint dpram_offset = hw_data_offset(ep->hw_data_buf);
assert(hw_data_offset(next_buffer_ptr) <= USB_DPRAM_MAX); hard_assert(hw_data_offset(next_buffer_ptr) <= USB_DPRAM_MAX);
pico_info(" Alloced %d bytes at offset 0x%x (0x%p)\r\n", size, dpram_offset, ep->hw_data_buf); pico_info(" Alloced %d bytes at offset 0x%x (0x%p)\r\n", size, dpram_offset, ep->hw_data_buf);
@ -93,7 +93,6 @@ static void _hw_endpoint_alloc(struct hw_endpoint *ep, uint8_t transfer_type)
*ep->endpoint_control = reg; *ep->endpoint_control = reg;
} }
#if 0 // todo unused
static void _hw_endpoint_close(struct hw_endpoint *ep) static void _hw_endpoint_close(struct hw_endpoint *ep)
{ {
// Clear hardware registers and then zero the struct // Clear hardware registers and then zero the struct
@ -103,6 +102,22 @@ static void _hw_endpoint_close(struct hw_endpoint *ep)
*ep->buffer_control = 0; *ep->buffer_control = 0;
// Clear any endpoint state // Clear any endpoint state
memset(ep, 0, sizeof(struct hw_endpoint)); memset(ep, 0, sizeof(struct hw_endpoint));
// Reclaim buffer space if all endpoints are closed
bool reclaim_buffers = true;
for ( uint8_t i = 1; i < USB_MAX_ENDPOINTS; i++ )
{
if (hw_endpoint_get_by_num(i, TUSB_DIR_OUT)->hw_data_buf != NULL || hw_endpoint_get_by_num(i, TUSB_DIR_IN)->hw_data_buf != NULL)
{
reclaim_buffers = false;
break;
}
}
if (reclaim_buffers)
{
pico_info(" reclaim buffer space\n");
next_buffer_ptr = &usb_dpram->epx_data[0];
}
} }
static void hw_endpoint_close(uint8_t ep_addr) static void hw_endpoint_close(uint8_t ep_addr)
@ -110,7 +125,6 @@ static void hw_endpoint_close(uint8_t ep_addr)
struct hw_endpoint *ep = hw_endpoint_get_by_addr(ep_addr); struct hw_endpoint *ep = hw_endpoint_get_by_addr(ep_addr);
_hw_endpoint_close(ep); _hw_endpoint_close(ep);
} }
#endif
static void hw_endpoint_init(uint8_t ep_addr, uint16_t wMaxPacketSize, uint8_t transfer_type) static void hw_endpoint_init(uint8_t ep_addr, uint16_t wMaxPacketSize, uint8_t transfer_type)
{ {
@ -224,6 +238,8 @@ static void reset_non_control_endpoints(void)
// clear non-control hw endpoints // clear non-control hw endpoints
tu_memclr(hw_endpoints[1], sizeof(hw_endpoints) - 2*sizeof(hw_endpoint_t)); tu_memclr(hw_endpoints[1], sizeof(hw_endpoints) - 2*sizeof(hw_endpoint_t));
pico_info(" reclaim buffer space\n");
next_buffer_ptr = &usb_dpram->epx_data[0]; next_buffer_ptr = &usb_dpram->epx_data[0];
} }
@ -479,10 +495,12 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
void dcd_edpt_close (uint8_t rhport, uint8_t ep_addr) void dcd_edpt_close (uint8_t rhport, uint8_t ep_addr)
{ {
(void) rhport; (void) rhport;
(void) ep_addr;
// usbd.c says: In progress transfers on this EP may be delivered after this call
pico_trace("dcd_edpt_close %02x\n", ep_addr); pico_trace("dcd_edpt_close %02x\n", ep_addr);
// usbd.c says: In progress transfers on this EP may be delivered after this call.
// If the endpoint is no longer active when the transfer event is delivered, it will be ignored.
hw_endpoint_close(ep_addr);
} }
void dcd_int_handler(uint8_t rhport) void dcd_int_handler(uint8_t rhport)

4
src/portable/raspberrypi/rp2040/rp2040_usb.c
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@ -294,7 +294,9 @@ bool hw_endpoint_xfer_continue(struct hw_endpoint *ep)
// Part way through a transfer // Part way through a transfer
if (!ep->active) if (!ep->active)
{ {
panic("Can't continue xfer on inactive ep %d %s", tu_edpt_number(ep->ep_addr), ep_dir_string); pico_info("Ignore xfer on inactive ep %d %s", tu_edpt_number(ep->ep_addr), ep_dir_string[tu_edpt_dir(ep->ep_addr)]);
_hw_endpoint_lock_update(ep, -1);
return false;
} }
// Update EP struct from hardware state // Update EP struct from hardware state