3d_print_resources/Marlin
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Add hidden Serial debug options

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Co-Authored-By: ejtagle <ejtagle@hotmail.com>
This commit is contained in:
Scott Lahteine 2018-06-09 22:08:48 -05:00
parent 17a965de17
commit 095cc75838
3 changed files with 57 additions and 0 deletions
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21
Marlin/MarlinSerial.cpp
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@ -71,6 +71,14 @@
uint8_t rx_dropped_bytes = 0;
#endif
#if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
uint8_t rx_buffer_overruns = 0;
#endif
#if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
uint8_t rx_framing_errors = 0;
#endif
#if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
ring_buffer_pos_t rx_max_enqueued = 0;
#endif
@ -94,6 +102,19 @@
// Get the next element
ring_buffer_pos_t i = (ring_buffer_pos_t)(h + 1) & (ring_buffer_pos_t)(RX_BUFFER_SIZE - 1);
// This must read the M_UCSRxA register before reading the received byte to detect error causes
#if ENABLED(SERIAL_STATS_DROPPED_RX)
if (TEST(M_UCSRxA, M_DORx) && !++rx_dropped_bytes) --rx_dropped_bytes;
#endif
#if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
if (TEST(M_UCSRxA, M_DORx) && !++rx_buffer_overruns) --rx_buffer_overruns;
#endif
#if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
if (TEST(M_UCSRxA, M_FEx) && !++rx_framing_errors) --rx_framing_errors;
#endif
// Read the character from the USART
uint8_t c = M_UDRx;