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hcd_rp2040: Add bulk in/out+interrupt out support.

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Added support for allocating hw_endpoints for non-interrupt endpoints.
Allow endpoints to be used in either direction by updating bit checks.
This commit is contained in:
Skyler Mansfield
2022-04-17 01:30:03 +01:00
parent 16c13bc110
commit 35668fc523
1 changed files with 21 additions and 12 deletions
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33
src/portable/raspberrypi/rp2040/hcd_rp2040.c
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@@ -139,16 +139,20 @@ static void hw_handle_buff_status(void)
for (uint i = 1; i <= USB_HOST_INTERRUPT_ENDPOINTS && remaining_buffers; i++)
{
// EPX is bit 0
// IEP1 is bit 2
// IEP2 is bit 4
// IEP3 is bit 6
// IEP1 IN is bit 2
// IEP1 OUT is bit 3
// IEP2 IN is bit 4
// IEP2 OUT is bit 5
// IEP3 IN is bit 6
// IEP3 OUT is bit 7
// etc
bit = 1 << (i*2);
if (remaining_buffers & bit)
{
remaining_buffers &= ~bit;
_handle_buff_status_bit(bit, &ep_pool[i]);
for(int j = 0; j < 2; j++){
bit = 1 << (i*2+j);
if (remaining_buffers & bit)
{
remaining_buffers &= ~bit;
_handle_buff_status_bit(bit, &ep_pool[i]);
}
}
}
@@ -259,10 +263,10 @@ static struct hw_endpoint *_hw_endpoint_allocate(uint8_t transfer_type)
{
struct hw_endpoint *ep = NULL;
if (transfer_type == TUSB_XFER_INTERRUPT)
if (transfer_type != TUSB_XFER_CONTROL)
{
ep = _next_free_interrupt_ep();
pico_info("Allocate interrupt ep %d\n", ep->interrupt_num);
pico_info("Allocate %s ep %d\n", tu_edpt_type_str(transfer_type), ep->interrupt_num);
assert(ep);
ep->buffer_control = &usbh_dpram->int_ep_buffer_ctrl[ep->interrupt_num].ctrl;
ep->endpoint_control = &usbh_dpram->int_ep_ctrl[ep->interrupt_num].ctrl;
@@ -320,8 +324,9 @@ static void _hw_endpoint_init(struct hw_endpoint *ep, uint8_t dev_addr, uint8_t
pico_trace("endpoint control (0x%p) <- 0x%x\n", ep->endpoint_control, ep_reg);
ep->configured = true;
if (bmInterval)
if (ep != &epx)
{
// Endpoint has its own addr_endp and interrupt bits to be setup!
// This is an interrupt endpoint
// so need to set up interrupt endpoint address control register with:
// device address
@@ -492,6 +497,9 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t *
// Get appropriate ep. Either EPX or interrupt endpoint
struct hw_endpoint *ep = get_dev_ep(dev_addr, ep_addr);
assert(ep);
// Should we maybe be able to check if endpt is busy/active instead?
if(ep->active)
return false;
// Control endpoint can change direction 0x00 <-> 0x80
if ( ep_addr != ep->ep_addr )
@@ -535,6 +543,7 @@ bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet
// Configure EP0 struct with setup info for the trans complete
struct hw_endpoint *ep = _hw_endpoint_allocate(0);
assert(ep == &epx);
// EP0 out
_hw_endpoint_init(ep, dev_addr, 0x00, ep->wMaxPacketSize, 0, 0);