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house keeping

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This commit is contained in:
hathach 2013-03-09 14:38:35 +07:00
parent ef9eb1f2fa
commit b833203528
1 changed files with 13 additions and 14 deletions
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27
tinyusb/host/ehci/ehci.c
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@ -180,11 +180,11 @@ tusb_error_t hcd_controller_init(uint8_t hostid)
framelist[i].type = EHCI_QUEUE_ELEMENT_QHD;
}
period_head->interrupt_smask = 1; // queue head in period list must have smask non-zero
period_head->next.terminate = 1;
period_head->qtd_overlay.halted = 1; // dummy node, always inactive
period_head->interrupt_smask = 1; // queue head in period list must have smask non-zero
period_head->next.terminate = 1;
period_head->qtd_overlay.halted = 1; // dummy node, always inactive
regs->periodic_list_base = (uint32_t) framelist;
regs->periodic_list_base = (uint32_t) framelist;
#else
regs->periodic_list_base = 0;
#endif
@ -288,9 +288,9 @@ static void queue_td_init(ehci_qtd_t* p_qtd, uint32_t data_ptr, uint16_t total_b
{
memclr_(p_qtd, sizeof(ehci_qtd_t));
p_qtd->used = 1;
p_qtd->used = 1;
p_qtd->next.terminate = 1; // init to null
p_qtd->next.terminate = 1; // init to null
p_qtd->alternate.terminate = 1; // not used, always set to terminated
p_qtd->active = 1;
p_qtd->cerr = 3; // TODO 3 consecutive errors tolerance
@ -299,8 +299,7 @@ static void queue_td_init(ehci_qtd_t* p_qtd, uint32_t data_ptr, uint16_t total_b
p_qtd->buffer[0] = data_ptr;
uint8_t i;
for(i=1; i<5; i++)
for(uint8_t i=1; i<5; i++)
{
p_qtd->buffer[i] |= align4k( p_qtd->buffer[i-1] ) + 4096;
}
@ -310,9 +309,9 @@ tusb_error_t hcd_pipe_control_xfer(uint8_t dev_addr, tusb_std_request_t const *
{
ehci_qhd_t * const p_qhd = get_control_qhd(dev_addr);
ehci_qtd_t *p_setup = get_control_qtds(dev_addr);
ehci_qtd_t *p_data = p_setup + 1;
ehci_qtd_t *p_status = p_setup + 2;
ehci_qtd_t *p_setup = get_control_qtds(dev_addr);
ehci_qtd_t *p_data = p_setup + 1;
ehci_qtd_t *p_status = p_setup + 2;
//------------- SETUP Phase -------------//
queue_td_init(p_setup, (uint32_t) p_request, 8);
@ -403,12 +402,12 @@ static inline void insert_qtd_to_qhd(ehci_qhd_t *p_qhd, ehci_qtd_t *p_qtd_new)
{
if (p_qhd->p_qtd_list_head == NULL) // empty list
{
p_qhd->p_qtd_list_head = p_qhd->p_qtd_list_tail = p_qtd_new;
p_qhd->qtd_overlay.next.address = (uint32_t) p_qhd->p_qtd_list_head;
p_qhd->p_qtd_list_head = p_qhd->p_qtd_list_tail = p_qtd_new;
p_qhd->qtd_overlay.next.address = (uint32_t) p_qhd->p_qtd_list_head;
}else
{
p_qhd->p_qtd_list_tail->next.address = (uint32_t) p_qtd_new;
p_qhd->p_qtd_list_tail = p_qtd_new;
p_qhd->p_qtd_list_tail = p_qtd_new;
}
}