1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* The MIT License (MIT)
*
* Copyright (c) 2026 Ha Thach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
#ifndef TUSB_PRINTER_DEVICE_H_
#define TUSB_PRINTER_DEVICE_H_
#include "printer.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct TU_ATTR_PACKED {
uint8_t rx_persistent : 1; // keep rx fifo on bus reset or disconnect
uint8_t tx_persistent : 1; // keep tx fifo on bus reset or disconnect
} tud_printer_configure_fifo_t;
//--------------------------------------------------------------------+
// Application API (Multiple Ports) i.e. CFG_TUD_PRINTER > 1
//--------------------------------------------------------------------+
// Get the number of bytes available for reading
uint32_t tud_printer_n_available(uint8_t itf);
// Read received bytes
uint32_t tud_printer_n_read(uint8_t itf, void *buffer, uint32_t bufsize);
// Clear the received FIFO
void tud_printer_n_read_flush(uint8_t itf);
// Get a byte from FIFO without removing it
bool tud_printer_n_peek(uint8_t itf, uint8_t *ui8);
//--------------------------------------------------------------------+
// Application Callback API (weak is optional)
//--------------------------------------------------------------------+
// Invoked when received new data
TU_ATTR_WEAK void tud_printer_rx_cb(uint8_t itf, size_t n);
//--------------------------------------------------------------------+
// Internal Class Driver API
//--------------------------------------------------------------------+
void printerd_init(void);
bool printerd_deinit(void);
void printerd_reset(uint8_t rhport);
uint16_t printerd_open(uint8_t rhport, const tusb_desc_interface_t *itf_desc, uint16_t max_len);
bool printerd_control_xfer_cb(uint8_t rhport, uint8_t stage, const tusb_control_request_t *request);
bool printerd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
#ifdef __cplusplus
}
#endif
#endif
|
