diff options
| author | hathach <[email protected]> | 2013-03-23 02:51:41 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2013-03-23 02:51:41 +0700 |
| commit | eddaa8394bbacd0d2d4ec3a45488c3ae8b28cbbf (patch) | |
| tree | 76394a12c97daa9f1e58398271b57ac50f24d34e /tinyusb | |
| parent | 53a4164b39d2bbfda620103311e70b1bffd3a547 (diff) | |
fix issue with Interrupt Async Advance
- only acknowledge interrupt that we check
Diffstat (limited to 'tinyusb')
| -rw-r--r-- | tinyusb/host/ehci/ehci.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/tinyusb/host/ehci/ehci.c b/tinyusb/host/ehci/ehci.c index 734251d7f..d2b96d869 100644 --- a/tinyusb/host/ehci/ehci.c +++ b/tinyusb/host/ehci/ehci.c @@ -273,7 +273,8 @@ void hcd_isr(uint8_t hostid) ehci_registers_t* const regs = get_operational_register(hostid); uint32_t int_status = regs->usb_sts & regs->usb_int_enable; - + regs->usb_sts |= int_status; // Acknowledge handled interrupt + if (int_status == 0) return; @@ -309,8 +310,6 @@ void hcd_isr(uint8_t hostid) { async_advance_isr( get_async_head(hostid) ); } - - regs->usb_sts |= regs->usb_sts; // Acknowledge interrupt & clear it } //--------------------------------------------------------------------+ @@ -455,6 +454,18 @@ static inline void list_insert(ehci_link_t *current, ehci_link_t *new, uint8_t n current->type = new_type; } +//static inline void qtd_remove_1st_from_qhd(ehci_qhd_t *p_qhd) ATTR_ALWAYS_INLINE; +//static inline void qtd_remove_1st_from_qhd(ehci_qhd_t *p_qhd) +//{ +// if (p_qhd->p_qtd_list_head == p_qhd->p_qtd_list_tail) // last TD --> make it NULL +// { +// p_qhd->p_qtd_list_head = p_qhd->p_qtd_list_tail = NULL; +// }else +// { +// p_qhd->p_qtd_list_head = (ehci_qtd_t*) align32(p_qhd->p_qtd_list_head->next.address); +// } +//} + static inline void insert_qtd_to_qhd(ehci_qhd_t *p_qhd, ehci_qtd_t *p_qtd_new) ATTR_ALWAYS_INLINE; static inline void insert_qtd_to_qhd(ehci_qhd_t *p_qhd, ehci_qtd_t *p_qtd_new) { |