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implement tu_edpt_release()

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hathach
2022-03-09 17:26:55 +07:00
parent a5fb20533c
commit 110879074f
3 changed files with 37 additions and 15 deletions
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26
src/host/usbh.c
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@@ -1202,23 +1202,19 @@ bool usbh_edpt_claim(uint8_t dev_addr, uint8_t ep_addr)
// 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);
uint8_t const dir = tu_edpt_dir(ep_addr);
// addr0 is always available
if (dev_addr == 0) return true;
usbh_device_t* dev = get_device(dev_addr);
usbh_device_t* dev = get_device(dev_addr);
uint8_t const epnum = tu_edpt_number(ep_addr);
uint8_t const dir = tu_edpt_dir(ep_addr);
tu_edpt_state_t* ep_state = &dev->ep_status[epnum][dir];
lock_device(dev_addr);
// can only release the endpoint if it is claimed and not busy
bool const ret = (dev->ep_status[epnum][dir].busy == 0) && (dev->ep_status[epnum][dir].claimed == 1);
if (ret)
{
dev->ep_status[epnum][dir].claimed = 0;
}
unlock_device(dev_addr);
return ret;
#if TUSB_OPT_MUTEX
return tu_edpt_release(ep_state, &_usbh_mutex[dev_addr-1]);
#else
return tu_edpt_release(ep_state, NULL);
#endif
}
// TODO has some duplication code with device, refactor later