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Add hidden Serial overflow debug options

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This commit is contained in:
etagle 2018-06-09 21:07:06 -03:00 committed by Scott Lahteine
parent d90e8fcad9
commit 99af086cea
5 changed files with 94 additions and 0 deletions
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21
Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp
View file

@ -72,6 +72,14 @@
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
@ -99,6 +107,19 @@
// 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;

19
Marlin/src/HAL/HAL_AVR/MarlinSerial.h
View file

@ -62,6 +62,9 @@
#define M_TXCx SERIAL_REGNAME(TXC,SERIAL_PORT,)
#define M_RXCIEx SERIAL_REGNAME(RXCIE,SERIAL_PORT,)
#define M_UDREx SERIAL_REGNAME(UDRE,SERIAL_PORT,)
#define M_FEx SERIAL_REGNAME(FE,SERIAL_PORT,)
#define M_DORx SERIAL_REGNAME(DOR,SERIAL_PORT,)
#define M_UPEx SERIAL_REGNAME(UPE,SERIAL_PORT,)
#define M_UDRIEx SERIAL_REGNAME(UDRIE,SERIAL_PORT,)
#define M_UDRx SERIAL_REGNAME(UDR,SERIAL_PORT,)
#define M_UBRRxH SERIAL_REGNAME(UBRR,SERIAL_PORT,H)
@ -91,6 +94,14 @@
extern uint8_t rx_dropped_bytes;
#endif
#if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
extern uint8_t rx_buffer_overruns;
#endif
#if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
extern uint8_t rx_framing_errors;
#endif
#if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
extern ring_buffer_pos_t rx_max_enqueued;
#endif
@ -112,6 +123,14 @@
FORCE_INLINE static uint32_t dropped() { return rx_dropped_bytes; }
#endif
#if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
FORCE_INLINE static uint32_t buffer_overruns() { return rx_buffer_overruns; }
#endif
#if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
FORCE_INLINE static uint32_t framing_errors() { return rx_framing_errors; }
#endif
#if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
FORCE_INLINE static ring_buffer_pos_t rxMaxEnqueued() { return rx_max_enqueued; }
#endif

21
Marlin/src/HAL/HAL_DUE/MarlinSerial_Due.cpp
View file

@ -98,6 +98,14 @@
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
@ -308,6 +316,19 @@
// Acknowledge errors
if ((status & UART_SR_OVRE) || (status & UART_SR_FRAME)) {
#if ENABLED(SERIAL_STATS_DROPPED_RX)
if (status & UART_SR_OVRE && !++rx_dropped_bytes) --rx_dropped_bytes;
#endif
#if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
if (status & UART_SR_OVRE && !++rx_buffer_overruns) --rx_buffer_overruns;
#endif
#if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
if (status & UART_SR_FRAME && !++rx_framing_errors) --rx_framing_errors;
#endif
// TODO: error reporting outside ISR
HWUART->UART_CR = UART_CR_RSTSTA;
}

16
Marlin/src/HAL/HAL_DUE/MarlinSerial_Due.h
View file

@ -70,6 +70,14 @@
extern uint8_t rx_dropped_bytes;
#endif
#if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
extern uint8_t rx_buffer_overruns;
#endif
#if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
extern uint8_t rx_framing_errors;
#endif
#if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
extern ring_buffer_pos_t rx_max_enqueued;
#endif
@ -91,6 +99,14 @@ public:
FORCE_INLINE static uint32_t dropped() { return rx_dropped_bytes; }
#endif
#if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
FORCE_INLINE static uint32_t buffer_overruns() { return rx_buffer_overruns; }
#endif
#if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
FORCE_INLINE static uint32_t framing_errors() { return rx_framing_errors; }
#endif
#if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
FORCE_INLINE static ring_buffer_pos_t rxMaxEnqueued() { return rx_max_enqueued; }
#endif

17
Marlin/src/gcode/control/M111.cpp
View file

@ -58,6 +58,23 @@ void GcodeSuite::M111() {
}
else {
SERIAL_ECHOPGM(MSG_DEBUG_OFF);
#if !defined(__AVR__) || !defined(USBCON)
#if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
SERIAL_ECHOLNPAIR("Buffer Overruns: ", customizedSerial.buffer_overruns());
#endif
#if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
SERIAL_ECHOLNPAIR("Framing Errors: ", customizedSerial.framing_errors());
#endif
#if ENABLED(SERIAL_STATS_DROPPED_RX)
SERIAL_ECHOLNPAIR("Dropped bytes: ", customizedSerial.dropped());
#endif
#if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
SERIAL_ECHOLNPAIR("Max RX Queue Size: ", customizedSerial.rxMaxEnqueued());
#endif
#endif // !defined(__AVR__) || !defined(USBCON)
}
SERIAL_EOL();
}