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/*
* SPDX-FileCopyrightText: Copyright (c) 2023 Ha Thach (tinyusb.org)
* SPDX-License-Identifier: MIT
*
* This file is part of the TinyUSB stack.
*/
#ifndef TUSB_TCD_H_
#define TUSB_TCD_H_
#include "common/tusb_common.h"
#include "pd_types.h"
#include "osal/osal.h"
#include "common/tusb_fifo.h"
#ifdef __cplusplus
extern "C" {
#endif
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
enum {
TCD_EVENT_INVALID = 0,
TCD_EVENT_CC_CHANGED,
TCD_EVENT_RX_COMPLETE,
TCD_EVENT_TX_COMPLETE,
};
typedef struct TU_ATTR_PACKED {
uint8_t rhport;
uint8_t event_id;
union {
struct {
uint8_t cc_state[2];
} cc_changed;
struct TU_ATTR_PACKED {
uint16_t result : 2;
uint16_t xferred_bytes : 14;
} xfer_complete;
};
} tcd_event_t;
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
// Initialize controller
bool tcd_init(uint8_t rhport, uint32_t port_type);
// Enable interrupt
void tcd_int_enable (uint8_t rhport);
// Disable interrupt
void tcd_int_disable(uint8_t rhport);
// Enable Type-C port terminations
void tcd_connect(uint8_t rhport);
// Disable Type-C port terminations
void tcd_disconnect(uint8_t rhport);
// Interrupt Handler
void tcd_int_handler(uint8_t rhport);
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
bool tcd_msg_receive(uint8_t rhport, uint8_t* buffer, uint16_t total_bytes);
bool tcd_msg_send(uint8_t rhport, uint8_t const* buffer, uint16_t total_bytes);
//--------------------------------------------------------------------+
// Event API (implemented by stack)
// Called by TCD to notify stack
//--------------------------------------------------------------------+
extern void tcd_event_handler(tcd_event_t const * event, bool in_isr);
TU_ATTR_ALWAYS_INLINE static inline
void tcd_event_cc_changed(uint8_t rhport, uint8_t cc1, uint8_t cc2, bool in_isr) {
tcd_event_t event = {
.rhport = rhport,
.event_id = TCD_EVENT_CC_CHANGED,
.cc_changed = {
.cc_state = {cc1, cc2 }
}
};
tcd_event_handler(&event, in_isr);
}
TU_ATTR_ALWAYS_INLINE static inline
void tcd_event_rx_complete(uint8_t rhport, uint16_t xferred_bytes, uint8_t result, bool in_isr) {
tcd_event_t event = {
.rhport = rhport,
.event_id = TCD_EVENT_RX_COMPLETE,
.xfer_complete = {
.xferred_bytes = xferred_bytes,
.result = result
}
};
tcd_event_handler(&event, in_isr);
}
TU_ATTR_ALWAYS_INLINE static inline
void tcd_event_tx_complete(uint8_t rhport, uint16_t xferred_bytes, uint8_t result, bool in_isr) {
tcd_event_t event = {
.rhport = rhport,
.event_id = TCD_EVENT_TX_COMPLETE,
.xfer_complete = {
.xferred_bytes = xferred_bytes,
.result = result
}
};
tcd_event_handler(&event, in_isr);
}
#ifdef __cplusplus
}
#endif
#endif
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