Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[2.0.x] Add XON/XOFF serial handshaking #7818

Merged
merged 2 commits into from
Oct 3, 2017
Merged

[2.0.x] Add XON/XOFF serial handshaking #7818

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
af15383
Add XON/XOFF options to example configs
thinkyhead Oct 2, 2017
508d764
Add serial XON/XOFF handshaking
thinkyhead Oct 2, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion Marlin/Configuration.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -108,8 +108,9 @@
*
* 250000 works in most cases, but you might try a lower speed if
* you commonly experience drop-outs during host printing.
* You may try up to 1000000 to speed up SD file transfer.
*
* :[2400, 9600, 19200, 38400, 57600, 115200, 250000]
* :[2400, 9600, 19200, 38400, 57600, 115200, 250000, 500000, 1000000]
*/
#define BAUDRATE 250000

Expand Down
24 changes: 23 additions & 1 deletion Marlin/Configuration_adv.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -751,7 +751,7 @@
#define MAX_CMD_SIZE 96
#define BUFSIZE 4

// Transfer Buffer Size
// Transmission to Host Buffer Size
// To save 386 bytes of PROGMEM (and TX_BUFFER_SIZE+3 bytes of RAM) set to 0.
// To buffer a simple "ok" you need 4 bytes.
// For ADVANCED_OK (M105) you need 32 bytes.
Expand All @@ -760,6 +760,28 @@
// :[0, 2, 4, 8, 16, 32, 64, 128, 256]
#define TX_BUFFER_SIZE 0

// Host Receive Buffer Size
// Without XON/XOFF flow control (see SERIAL_XON_XOFF below) 32 bytes should be enough.
// To use flow control, set this buffer size to at least 1024 bytes.
// :[0, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048]
//#define RX_BUFFER_SIZE 1024

#if RX_BUFFER_SIZE >= 1024
// Enable to have the controller send XON/XOFF control characters to
// the host to signal the RX buffer is becoming full.
//#define SERIAL_XON_XOFF
#endif

#if ENABLED(SDSUPPORT)
// Enable this option to collect and display the maximum
// RX queue usage after transferring a file to SD.
//#define SERIAL_STATS_MAX_RX_QUEUED

// Enable this option to collect and display the number
// of dropped bytes after a file transfer to SD.
//#define SERIAL_STATS_DROPPED_RX
#endif

// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410
Expand Down
Loading