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SERIAL_XON_XOFF not supported on USB-native AVR devices

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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.
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2017-12-04 03:56:47 -08:00
parent cff886ba12
commit 91b63f6d69
2 changed files with 11 additions and 6 deletions
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5
Marlin/src/inc/SanityCheck.h
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@@ -253,17 +253,18 @@
*/
#ifndef USBCON
#if ENABLED(SERIAL_XON_XOFF) && RX_BUFFER_SIZE < 1024
#error "XON/XOFF requires RX_BUFFER_SIZE >= 1024 for reliable transfers without drops."
#error "SERIAL_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
#error "RX_BUFFER_SIZE must be a power of 2 greater than 1."
#endif
// 256 is the max limit due to uint8_t head and tail. Use only powers of 2. (...,16,32,64,128,256)
#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."
#endif
#elif ENABLED(SERIAL_XON_XOFF)
#error "SERIAL_XON_XOFF is not supported on USB-native AVR devices."
#endif
/**