[1.1.x] SERIAL_XON_XOFF not supported on USB-native AVR devices (#8653)
* SERIAL_XON_XOFF not supported on USB-native AVR devices User could enable SERIAL_XON_XOFF on USB-native devices and it would not be enabled without warning, but M115 would report the capability as available.
This commit is contained in:
parent
3abd307691
commit
860d98a897
@ -75,27 +75,26 @@
|
|||||||
#define BIN 2
|
#define BIN 2
|
||||||
#define BYTE 0
|
#define BYTE 0
|
||||||
|
|
||||||
|
// Define constants and variables for buffering serial data.
|
||||||
|
// Use only 0 or powers of 2 greater than 1
|
||||||
|
// : [0, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, ...]
|
||||||
|
#ifndef RX_BUFFER_SIZE
|
||||||
|
#define RX_BUFFER_SIZE 128
|
||||||
|
#endif
|
||||||
|
// 256 is the max TX buffer limit due to uint8_t head and tail.
|
||||||
|
#ifndef TX_BUFFER_SIZE
|
||||||
|
#define TX_BUFFER_SIZE 32
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifndef USBCON
|
#ifndef USBCON
|
||||||
// Define constants and variables for buffering incoming serial data. We're
|
#if ENABLED(SERIAL_XON_XOFF) && RX_BUFFER_SIZE < 1024
|
||||||
// using a ring buffer (I think), in which rx_buffer_head is the index of the
|
#error "SERIAL_XON_XOFF requires RX_BUFFER_SIZE >= 1024 for reliable transfers without drops."
|
||||||
// location to which to write the next incoming character and rx_buffer_tail
|
|
||||||
// is the index of the location from which to read.
|
|
||||||
// Use only powers of 2.
|
|
||||||
// : [0, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, ...]
|
|
||||||
#ifndef RX_BUFFER_SIZE
|
|
||||||
#define RX_BUFFER_SIZE 128
|
|
||||||
#endif
|
|
||||||
// 256 is the max TX buffer climit due to uint8_t head and tail.
|
|
||||||
#ifndef TX_BUFFER_SIZE
|
|
||||||
#define TX_BUFFER_SIZE 32
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#if ENABLED(SERIAL_XON_XOFF) && RX_BUFFER_SIZE < 1024
|
|
||||||
#error "XON/XOFF requires RX_BUFFER_SIZE >= 1024 for reliable transfers without drops."
|
|
||||||
#endif
|
|
||||||
#if !IS_POWER_OF_2(RX_BUFFER_SIZE) || RX_BUFFER_SIZE < 2
|
#if !IS_POWER_OF_2(RX_BUFFER_SIZE) || RX_BUFFER_SIZE < 2
|
||||||
#error "RX_BUFFER_SIZE must be a power of 2 greater than 1."
|
#error "RX_BUFFER_SIZE must be a power of 2 greater than 1."
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#if TX_BUFFER_SIZE && (TX_BUFFER_SIZE < 2 || TX_BUFFER_SIZE > 256 || !IS_POWER_OF_2(TX_BUFFER_SIZE))
|
#if TX_BUFFER_SIZE && (TX_BUFFER_SIZE < 2 || TX_BUFFER_SIZE > 256 || !IS_POWER_OF_2(TX_BUFFER_SIZE))
|
||||||
#error "TX_BUFFER_SIZE must be 0, a power of 2 greater than 1, and no greater than 256."
|
#error "TX_BUFFER_SIZE must be 0, a power of 2 greater than 1, and no greater than 256."
|
||||||
#endif
|
#endif
|
||||||
|
@ -245,6 +245,13 @@
|
|||||||
#error "WEBSITE_URL must be specified."
|
#error "WEBSITE_URL must be specified."
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Serial
|
||||||
|
*/
|
||||||
|
#if defined(USBCON) && ENABLED(SERIAL_XON_XOFF)
|
||||||
|
#error "SERIAL_XON_XOFF is not supported on USB-native AVR devices."
|
||||||
|
#endif
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Dual Stepper Drivers
|
* Dual Stepper Drivers
|
||||||
*/
|
*/
|
||||||
|
Loading…
Reference in New Issue
Block a user