163 lines
4.7 KiB
C
163 lines
4.7 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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#ifndef _TUSB_HCD_H_
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#define _TUSB_HCD_H_
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#include "common/tusb_common.h"
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#include "osal/osal.h"
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#include "common/tusb_fifo.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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typedef enum
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{
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HCD_EVENT_DEVICE_ATTACH,
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HCD_EVENT_DEVICE_REMOVE,
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HCD_EVENT_XFER_COMPLETE,
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// Not an HCD event, just a convenient way to defer ISR function
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USBH_EVENT_FUNC_CALL,
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HCD_EVENT_COUNT
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} hcd_eventid_t;
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typedef struct
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{
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uint8_t rhport;
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uint8_t event_id;
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uint8_t dev_addr;
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union
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{
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// Attach, Remove
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struct {
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uint8_t hub_addr;
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uint8_t hub_port;
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} connection;
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// XFER_COMPLETE
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struct {
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uint8_t ep_addr;
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uint8_t result;
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uint32_t len;
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} xfer_complete;
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// FUNC_CALL
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struct {
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void (*func) (void*);
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void* param;
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}func_call;
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};
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} hcd_event_t;
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#if TUSB_OPT_HOST_ENABLED
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// Max number of endpoints per device
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enum {
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// TODO better computation
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HCD_MAX_ENDPOINT = CFG_TUH_DEVICE_MAX*(CFG_TUH_HUB + CFG_TUH_HID*2 + CFG_TUH_MSC*2 + CFG_TUH_CDC*3),
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HCD_MAX_XFER = HCD_MAX_ENDPOINT*2,
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};
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//#define HCD_MAX_ENDPOINT 16
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//#define HCD_MAX_XFER 16
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#endif
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//--------------------------------------------------------------------+
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// Controller API
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//--------------------------------------------------------------------+
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// Initialize controller to host mode
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bool hcd_init(uint8_t rhport);
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// Interrupt Handler
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void hcd_int_handler(uint8_t rhport);
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// Enable USB interrupt
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void hcd_int_enable (uint8_t rhport);
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// Disable USB interrupt
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void hcd_int_disable(uint8_t rhport);
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// Get frame number (1ms)
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uint32_t hcd_frame_number(uint8_t rhport);
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//--------------------------------------------------------------------+
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// Port API
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//--------------------------------------------------------------------+
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// Get the current connect status of roothub port
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bool hcd_port_connect_status(uint8_t rhport);
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// Reset USB bus on the port
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void hcd_port_reset(uint8_t rhport);
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// TODO implement later
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void hcd_port_reset_end(uint8_t rhport);
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// Get port link speed
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tusb_speed_t hcd_port_speed_get(uint8_t rhport);
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// HCD closes all opened endpoints belong to this device
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void hcd_device_close(uint8_t rhport, uint8_t dev_addr);
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//--------------------------------------------------------------------+
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// Endpoints API
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//--------------------------------------------------------------------+
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bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8]);
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bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * ep_desc);
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bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t * buffer, uint16_t buflen);
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bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr);
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//--------------------------------------------------------------------+
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// Event API (implemented by stack)
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//--------------------------------------------------------------------+
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// Called by HCD to notify stack
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extern void hcd_event_handler(hcd_event_t const* event, bool in_isr);
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// Helper to send device attach event
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extern void hcd_event_device_attach(uint8_t rhport, bool in_isr);
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// Helper to send device removal event
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extern void hcd_event_device_remove(uint8_t rhport, bool in_isr);
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// Helper to send USB transfer event
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extern void hcd_event_xfer_complete(uint8_t dev_addr, uint8_t ep_addr, uint32_t xferred_bytes, xfer_result_t result, bool in_isr);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_HCD_H_ */
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