144 lines
3.9 KiB
C
144 lines
3.9 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2023 Ha Thach (thach@tinyusb.org) for Adafruit Industries
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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_TCD_H_
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#define _TUSB_TCD_H_
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#include "common/tusb_common.h"
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#include "pd_types.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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//
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//--------------------------------------------------------------------+
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enum {
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TCD_EVENT_INVALID = 0,
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TCD_EVENT_CC_CHANGED,
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TCD_EVENT_RX_COMPLETE,
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TCD_EVENT_TX_COMPLETE,
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};
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typedef struct TU_ATTR_PACKED {
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uint8_t rhport;
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uint8_t event_id;
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union {
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struct {
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uint8_t cc_state[2];
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} cc_changed;
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struct TU_ATTR_PACKED {
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uint16_t result : 2;
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uint16_t xferred_bytes : 14;
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} xfer_complete;
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};
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} tcd_event_t;
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//--------------------------------------------------------------------+
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//
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//--------------------------------------------------------------------+
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// Initialize controller
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bool tcd_init(uint8_t rhport, uint32_t port_type);
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// Enable interrupt
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void tcd_int_enable (uint8_t rhport);
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// Disable interrupt
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void tcd_int_disable(uint8_t rhport);
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// Interrupt Handler
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void tcd_int_handler(uint8_t rhport);
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//--------------------------------------------------------------------+
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//
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//--------------------------------------------------------------------+
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bool tcd_msg_receive(uint8_t rhport, uint8_t* buffer, uint16_t total_bytes);
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bool tcd_msg_send(uint8_t rhport, uint8_t const* buffer, uint16_t total_bytes);
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//--------------------------------------------------------------------+
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// Event API (implemented by stack)
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// Called by TCD to notify stack
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//--------------------------------------------------------------------+
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extern void tcd_event_handler(tcd_event_t const * event, bool in_isr);
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TU_ATTR_ALWAYS_INLINE static inline
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void tcd_event_cc_changed(uint8_t rhport, uint8_t cc1, uint8_t cc2, bool in_isr) {
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tcd_event_t event = {
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.rhport = rhport,
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.event_id = TCD_EVENT_CC_CHANGED,
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.cc_changed = {
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.cc_state = {cc1, cc2 }
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}
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};
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tcd_event_handler(&event, in_isr);
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}
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TU_ATTR_ALWAYS_INLINE static inline
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void tcd_event_rx_complete(uint8_t rhport, uint16_t xferred_bytes, uint8_t result, bool in_isr) {
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tcd_event_t event = {
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.rhport = rhport,
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.event_id = TCD_EVENT_RX_COMPLETE,
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.xfer_complete = {
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.xferred_bytes = xferred_bytes,
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.result = result
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}
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};
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tcd_event_handler(&event, in_isr);
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}
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TU_ATTR_ALWAYS_INLINE static inline
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void tcd_event_tx_complete(uint8_t rhport, uint16_t xferred_bytes, uint8_t result, bool in_isr) {
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tcd_event_t event = {
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.rhport = rhport,
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.event_id = TCD_EVENT_TX_COMPLETE,
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.xfer_complete = {
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.xferred_bytes = xferred_bytes,
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.result = result
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}
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};
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tcd_event_handler(&event, in_isr);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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