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fix issue with Interrupt Async Advance

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- only acknowledge interrupt that we check
This commit is contained in:
hathach 2013-03-23 02:51:41 +07:00
parent 53a4164b39
commit eddaa8394b
1 changed files with 14 additions and 3 deletions
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17
tinyusb/host/ehci/ehci.c
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@ -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)
{