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allow a limited model to deal with stalled pipe/transaction

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added stall clear & able to mount the stupid toshiba thumb drive

add HCD pipe API
- bool hcd_pipe_is_busy(pipe_handle_t pipe_hdl);
- bool hcd_pipe_is_stalled(pipe_handle_t pipe_hdl);
- uint8_t hcd_pipe_get_endpoint_addr(pipe_handle_t pipe_hdl);
- tusb_error_t hcd_pipe_clear_stall(pipe_handle_t pipe_hdl);

remove tusbh_device_mount_failed_cb (not neccessary for user)
This commit is contained in:
hathach
2013-09-24 18:23:34 +07:00
parent 63b776f7cf
commit bbfa85aa08
11 changed files with 187 additions and 53 deletions
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41
tinyusb/host/ehci/ehci.c
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@@ -100,6 +100,13 @@ static inline ehci_qhd_t* qhd_find_free (uint8_t dev_addr) ATTR_PURE ATTR_ALW
static inline tusb_xfer_type_t qhd_get_xfer_type(ehci_qhd_t const * p_qhd) ATTR_ALWAYS_INLINE ATTR_PURE;
STATIC_ INLINE_ ehci_qhd_t* qhd_get_from_pipe_handle(pipe_handle_t pipe_hdl) ATTR_PURE ATTR_ALWAYS_INLINE;
static inline pipe_handle_t qhd_create_pipe_handle(ehci_qhd_t const * p_qhd, tusb_xfer_type_t xfer_type) ATTR_PURE ATTR_ALWAYS_INLINE;
// determine if a queue head has bus-related error
static inline bool qhd_has_xact_error(ehci_qhd_t * p_qhd) ATTR_ALWAYS_INLINE ATTR_PURE;
static inline bool qhd_has_xact_error(ehci_qhd_t * p_qhd)
{
return ( p_qhd->qtd_overlay.buffer_err ||p_qhd->qtd_overlay.babble_err || p_qhd->qtd_overlay.xact_err );
//p_qhd->qtd_overlay.non_hs_period_missed_uframe || p_qhd->qtd_overlay.pingstate_err TODO split transaction error
}
static void qhd_init(ehci_qhd_t *p_qhd, uint8_t dev_addr, uint16_t max_packet_size, uint8_t endpoint_addr, uint8_t xfer_type, uint8_t interval);
@@ -468,12 +475,38 @@ tusb_error_t hcd_pipe_close(pipe_handle_t pipe_hdl)
return TUSB_ERROR_NONE;
}
bool hcd_pipe_is_busy(pipe_handle_t pipe_hdl)
{
ehci_qhd_t *p_qhd = qhd_get_from_pipe_handle( pipe_hdl );
return !p_qhd->qtd_overlay.halted && (p_qhd->p_qtd_list_head != NULL);
}
bool hcd_pipe_is_idle(pipe_handle_t pipe_hdl)
{
ehci_qhd_t *p_qhd = qhd_get_from_pipe_handle( pipe_hdl );
return (p_qhd->p_qtd_list_head == NULL);
}
bool hcd_pipe_is_stalled(pipe_handle_t pipe_hdl)
{
ehci_qhd_t *p_qhd = qhd_get_from_pipe_handle( pipe_hdl );
return p_qhd->qtd_overlay.halted && !qhd_has_xact_error(p_qhd);
}
uint8_t hcd_pipe_get_endpoint_addr(pipe_handle_t pipe_hdl)
{
ehci_qhd_t *p_qhd = qhd_get_from_pipe_handle( pipe_hdl );
return p_qhd->endpoint_number + ( (p_qhd->pid_non_control == EHCI_PID_IN) ? 0x80 : 0);
}
tusb_error_t hcd_pipe_clear_stall(pipe_handle_t pipe_hdl)
{
ehci_qhd_t *p_qhd = qhd_get_from_pipe_handle( pipe_hdl );
p_qhd->qtd_overlay.halted = 0;
return TUSB_ERROR_NONE;
}
//--------------------------------------------------------------------+
// EHCI Interrupt Handler
//--------------------------------------------------------------------+
@@ -617,16 +650,14 @@ static void period_list_xfer_complete_isr(uint8_t hostid, uint8_t interval_ms)
static void qhd_xfer_error_isr(ehci_qhd_t * p_qhd)
{
if ( (p_qhd->device_address != 0 && p_qhd->qtd_overlay.halted) || // addr0 cannot be protocol STALL
p_qhd->qtd_overlay.buffer_err ||p_qhd->qtd_overlay.babble_err || p_qhd->qtd_overlay.xact_err )
//p_qhd->qtd_overlay.non_hs_period_missed_uframe || p_qhd->qtd_overlay.pingstate_err TODO split transaction error
if ( (p_qhd->device_address != 0 && p_qhd->qtd_overlay.halted) || // addr0 cannot be protocol STALL
qhd_has_xact_error(p_qhd) )
{ // current qhd has error in transaction
tusb_xfer_type_t const xfer_type = qhd_get_xfer_type(p_qhd);
tusb_event_t error_event;
// no error bits are set, endpoint is halted due to STALL
error_event = ( !(p_qhd->qtd_overlay.buffer_err || p_qhd->qtd_overlay.babble_err ||
p_qhd->qtd_overlay.xact_err) ) ? TUSB_EVENT_XFER_STALLED : TUSB_EVENT_XFER_ERROR;
error_event = qhd_has_xact_error(p_qhd) ? TUSB_EVENT_XFER_ERROR : TUSB_EVENT_XFER_STALLED;
p_qhd->total_xferred_bytes += p_qhd->p_qtd_list_head->expected_bytes - p_qhd->p_qtd_list_head->total_bytes;