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implement usbh_edpt_busy (WIP), remove hcd_edpt_busy

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This commit is contained in:
hathach
2021-06-10 17:19:21 +07:00
parent 7e6cba7359
commit c7f51cde40
11 changed files with 84 additions and 51 deletions
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46
src/host/usbh.c
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@@ -314,8 +314,11 @@ uint8_t* usbh_get_enum_buf(void)
return _usbh_ctrl_buf;
}
//------------- Endpoint API -------------//
//--------------------------------------------------------------------+
// Endpoint API
//--------------------------------------------------------------------+
// TODO has some duplication code with device, refactor later
bool usbh_edpt_claim(uint8_t dev_addr, uint8_t ep_addr)
{
uint8_t const epnum = tu_edpt_number(ep_addr);
@@ -343,6 +346,7 @@ bool usbh_edpt_claim(uint8_t dev_addr, uint8_t ep_addr)
return ret;
}
// TODO has some duplication code with device, refactor later
bool usbh_edpt_release(uint8_t dev_addr, uint8_t ep_addr)
{
uint8_t const epnum = tu_edpt_number(ep_addr);
@@ -368,11 +372,36 @@ bool usbh_edpt_release(uint8_t dev_addr, uint8_t ep_addr)
return ret;
}
// TODO has some duplication code with device, refactor later
bool usbh_edpt_xfer(uint8_t dev_addr, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
{
uint8_t const epnum = tu_edpt_number(ep_addr);
uint8_t const dir = tu_edpt_dir(ep_addr);
usbh_device_t* dev = &_usbh_devices[dev_addr];
TU_LOG2(" Queue EP %02X with %u bytes ... OK\r\n", ep_addr, total_bytes);
return hcd_edpt_xfer(dev->rhport, dev_addr, ep_addr, buffer, total_bytes);
TU_LOG2(" Queue EP %02X with %u bytes ... ", ep_addr, total_bytes);
// Attempt to transfer on a busy endpoint, sound like an race condition !
TU_ASSERT(dev->ep_status[epnum][dir].busy == 0);
// Set busy first since the actual transfer can be complete before hcd_edpt_xfer()
// could return and USBH task can preempt and clear the busy
dev->ep_status[epnum][dir].busy = true;
if ( hcd_edpt_xfer(dev->rhport, dev_addr, ep_addr, buffer, total_bytes) )
{
TU_LOG2("OK\r\n");
return true;
}else
{
// HCD error, mark endpoint as ready to allow next transfer
dev->ep_status[epnum][dir].busy = false;
dev->ep_status[epnum][dir].claimed = 0;
TU_LOG2("failed\r\n");
TU_BREAKPOINT();
return false;
}
}
bool usbh_edpt_control_open(uint8_t dev_addr, uint8_t max_packet_size)
@@ -419,6 +448,17 @@ bool usbh_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const
return ret;
}
bool usbh_edpt_busy(uint8_t dev_addr, uint8_t ep_addr)
{
uint8_t const epnum = tu_edpt_number(ep_addr);
uint8_t const dir = tu_edpt_dir(ep_addr);
usbh_device_t* dev = &_usbh_devices[dev_addr];
return dev->ep_status[epnum][dir].busy;
}
//--------------------------------------------------------------------+
// HCD Event Handler
//--------------------------------------------------------------------+