Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #1809 from hathach/host-cdc
Support Host CDC
- Loading branch information
Showing
19 changed files
with
1,087 additions
and
262 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,113 @@ | ||
/* | ||
* The MIT License (MIT) | ||
* | ||
* Copyright (c) 2022, 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. | ||
*/ | ||
|
||
#include "tusb.h" | ||
#include "bsp/board.h" | ||
|
||
//--------------------------------------------------------------------+ | ||
// MACRO TYPEDEF CONSTANT ENUM DECLARATION | ||
//--------------------------------------------------------------------+ | ||
|
||
|
||
//------------- IMPLEMENTATION -------------// | ||
|
||
size_t get_console_inputs(uint8_t* buf, size_t bufsize) | ||
{ | ||
size_t count = 0; | ||
while (count < bufsize) | ||
{ | ||
int ch = board_getchar(); | ||
if ( ch <= 0 ) break; | ||
|
||
buf[count] = (uint8_t) ch; | ||
count++; | ||
} | ||
|
||
return count; | ||
} | ||
|
||
void cdc_app_task(void) | ||
{ | ||
uint8_t buf[64+1]; // +1 for extra null character | ||
uint32_t const bufsize = sizeof(buf)-1; | ||
|
||
uint32_t count = get_console_inputs(buf, bufsize); | ||
buf[count] = 0; | ||
|
||
// loop over all mounted interfaces | ||
for(uint8_t idx=0; idx<CFG_TUH_CDC; idx++) | ||
{ | ||
if ( tuh_cdc_mounted(idx) ) | ||
{ | ||
// console --> cdc interfaces | ||
if (count) | ||
{ | ||
tuh_cdc_write(idx, buf, count); | ||
tuh_cdc_write_flush(idx); | ||
} | ||
} | ||
} | ||
} | ||
|
||
// Invoked when received new data | ||
void tuh_cdc_rx_cb(uint8_t idx) | ||
{ | ||
uint8_t buf[64+1]; // +1 for extra null character | ||
uint32_t const bufsize = sizeof(buf)-1; | ||
|
||
// forward cdc interfaces -> console | ||
uint32_t count = tuh_cdc_read(idx, buf, bufsize); | ||
buf[count] = 0; | ||
|
||
printf((char*) buf); | ||
} | ||
|
||
void tuh_cdc_mount_cb(uint8_t idx) | ||
{ | ||
tuh_cdc_itf_info_t itf_info = { 0 }; | ||
tuh_cdc_itf_get_info(idx, &itf_info); | ||
|
||
printf("CDC Interface is mounted: address = %u, itf_num = %u\r\n", itf_info.daddr, itf_info.bInterfaceNumber); | ||
|
||
#ifdef CFG_TUH_CDC_LINE_CODING_ON_ENUM | ||
// CFG_TUH_CDC_LINE_CODING_ON_ENUM must be defined for line coding is set by tinyusb in enumeration | ||
// otherwise you need to call tuh_cdc_set_line_coding() first | ||
cdc_line_coding_t line_coding = { 0 }; | ||
if ( tuh_cdc_get_local_line_coding(idx, &line_coding) ) | ||
{ | ||
printf(" Baudrate: %lu, Stop Bits : %u\r\n", line_coding.bit_rate, line_coding.stop_bits); | ||
printf(" Parity : %u, Data Width: %u\r\n", line_coding.parity , line_coding.data_bits); | ||
} | ||
#endif | ||
} | ||
|
||
void tuh_cdc_umount_cb(uint8_t idx) | ||
{ | ||
tuh_cdc_itf_info_t itf_info = { 0 }; | ||
tuh_cdc_itf_get_info(idx, &itf_info); | ||
|
||
printf("CDC Interface is unmounted: address = %u, itf_num = %u\r\n", itf_info.daddr, itf_info.bInterfaceNumber); | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.