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https://github.com/hathach/tinyusb.git
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able to run ohci hid mouse demo
- an old mouse cause double plug event - an old mouse failed to response the first get 8 byte device descriptor
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@ -69,7 +69,7 @@
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//------------- CLASS -------------//
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#define TUSB_CFG_HOST_HUB 0
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#define TUSB_CFG_HOST_HID_KEYBOARD 0
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#define TUSB_CFG_HOST_HID_MOUSE 0
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#define TUSB_CFG_HOST_HID_MOUSE 1
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#define TUSB_CFG_HOST_HID_GENERIC 0
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#define TUSB_CFG_HOST_MSC 1
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#define TUSB_CFG_HOST_CDC 0
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@ -141,8 +141,8 @@ static ohci_ed_t * const p_ed_head[] =
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{
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[TUSB_XFER_CONTROL] = &ohci_data.control[0].ed,
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[TUSB_XFER_BULK ] = &ohci_data.bulk_head_ed,
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[TUSB_XFER_INTERRUPT] = NULL,
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[TUSB_XFER_ISOCHRONOUS] = NULL
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[TUSB_XFER_INTERRUPT] = &ohci_data.period_head_ed,
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[TUSB_XFER_ISOCHRONOUS] = NULL // TODO Isochronous
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};
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static void ed_list_insert(ohci_ed_t * p_pre, ohci_ed_t * p_ed);
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@ -158,6 +158,10 @@ tusb_error_t hcd_init(void)
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{
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//------------- Data Structure init -------------//
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memclr_(&ohci_data, sizeof(ohci_data_t));
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for(uint8_t i=0; i<32; i++)
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{ // assign all interrupt pointes to period head ed
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ohci_data.hcca.interrupt_table[i] = (uint32_t) &ohci_data.period_head_ed;
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}
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ohci_data.control[0].ed.skip = 1;
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ohci_data.bulk_head_ed.skip = 1;
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@ -167,21 +171,19 @@ tusb_error_t hcd_init(void)
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OHCI_REG->command_status_bit.controller_reset = 1;
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while( OHCI_REG->command_status_bit.controller_reset ) {} // should not take longer than 10 us
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// TODO peridoic list build
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// TODO assign control, bulk head
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//------------- init ohci registers -------------//
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OHCI_REG->control_bit.hc_functional_state = OHCI_CONTROL_FUNCSTATE_OPERATIONAL; // move HC to operational state TODO use this to suspend (save power)
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OHCI_REG->frame_interval = (OHCI_FMINTERVAL_FSMPS << 16) | OHCI_FMINTERVAL_FI;
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OHCI_REG->periodic_start = (OHCI_FMINTERVAL_FI * 9) / 10; // Periodic start is 90% of frame interval
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OHCI_REG->control_head_ed = (uint32_t) &ohci_data.control[0].ed;
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OHCI_REG->bulk_head_ed = (uint32_t) &ohci_data.bulk_head_ed;
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OHCI_REG->hcca = (uint32_t) &ohci_data.hcca;
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OHCI_REG->control |= OHCI_CONTROL_CONTROL_BULK_RATIO | OHCI_CONTROL_LIST_CONTROL_ENABLE_MASK |
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OHCI_CONTROL_LIST_BULK_ENABLE_MASK; // TODO periodic enable
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OHCI_CONTROL_LIST_BULK_ENABLE_MASK | OHCI_CONTROL_LIST_PERIODIC_ENABLE_MASK; // TODO Isochronous
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OHCI_REG->rh_status_bit.local_power_status_change = 1; // set global power for ports
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