From de4e19f17e1f53ae45e265a082bb1f1a2be33257 Mon Sep 17 00:00:00 2001 From: Scott Lahteine Date: Sun, 2 Apr 2017 04:24:28 -0500 Subject: [PATCH] Patch MarlinSerial to match up with 32-bit version --- Marlin/MarlinSerial.cpp | 62 +++++++++++++++++++---------------------- Marlin/MarlinSerial.h | 6 ++-- 2 files changed, 31 insertions(+), 37 deletions(-) diff --git a/Marlin/MarlinSerial.cpp b/Marlin/MarlinSerial.cpp index 2004d3657..2ee83def0 100644 --- a/Marlin/MarlinSerial.cpp +++ b/Marlin/MarlinSerial.cpp @@ -28,9 +28,8 @@ * Modified 28 September 2010 by Mark Sproul * Modified 14 February 2016 by Andreas Hardtung (added tx buffer) */ -#include "MarlinSerial.h" -#include "stepper.h" +#include "MarlinSerial.h" #include "Marlin.h" // Disable HardwareSerial.cpp to support chips without a UART (Attiny, etc.) @@ -38,15 +37,16 @@ #if !defined(USBCON) && (defined(UBRRH) || defined(UBRR0H) || defined(UBRR1H) || defined(UBRR2H) || defined(UBRR3H)) #if UART_PRESENT(SERIAL_PORT) - ring_buffer_r rx_buffer = { { 0 }, 0, 0 }; + ring_buffer_r rx_buffer = { { 0 }, 0, 0 }; #if TX_BUFFER_SIZE > 0 - ring_buffer_t tx_buffer = { { 0 }, 0, 0 }; + ring_buffer_t tx_buffer = { { 0 }, 0, 0 }; static bool _written; #endif #endif #if ENABLED(EMERGENCY_PARSER) + #include "stepper.h" #include "language.h" // Currently looking for: M108, M112, M410 @@ -134,13 +134,12 @@ } } - #endif - + #endif // EMERGENCY_PARSER FORCE_INLINE void store_char(unsigned char c) { CRITICAL_SECTION_START; - uint8_t h = rx_buffer.head; - uint8_t i = (uint8_t)(h + 1) & (RX_BUFFER_SIZE - 1); + const uint8_t h = rx_buffer.head, + i = (uint8_t)(h + 1) & (RX_BUFFER_SIZE - 1); // if we should be storing the received character into the location // just before the tail (meaning that the head would advance to the @@ -162,8 +161,8 @@ FORCE_INLINE void _tx_udr_empty_irq(void) { // If interrupts are enabled, there must be more data in the output // buffer. Send the next byte - uint8_t t = tx_buffer.tail; - uint8_t c = tx_buffer.buffer[t]; + const uint8_t t = tx_buffer.tail, + c = tx_buffer.buffer[t]; tx_buffer.tail = (t + 1) & (TX_BUFFER_SIZE - 1); M_UDRx = c; @@ -189,14 +188,14 @@ #ifdef M_USARTx_RX_vect ISR(M_USARTx_RX_vect) { - unsigned char c = M_UDRx; + const unsigned char c = M_UDRx; store_char(c); } #endif // Public Methods - void MarlinSerial::begin(long baud) { + void MarlinSerial::begin(const long baud) { uint16_t baud_setting; bool useU2X = true; @@ -204,9 +203,7 @@ // hard-coded exception for compatibility with the bootloader shipped // with the Duemilanove and previous boards and the firmware on the 8U2 // on the Uno and Mega 2560. - if (baud == 57600) { - useU2X = false; - } + if (baud == 57600) useU2X = false; #endif if (useU2X) { @@ -240,14 +237,14 @@ void MarlinSerial::checkRx(void) { if (TEST(M_UCSRxA, M_RXCx)) { - uint8_t c = M_UDRx; + const uint8_t c = M_UDRx; store_char(c); } } int MarlinSerial::peek(void) { CRITICAL_SECTION_START; - int v = rx_buffer.head == rx_buffer.tail ? -1 : rx_buffer.buffer[rx_buffer.tail]; + const int v = rx_buffer.head == rx_buffer.tail ? -1 : rx_buffer.buffer[rx_buffer.tail]; CRITICAL_SECTION_END; return v; } @@ -255,10 +252,9 @@ int MarlinSerial::read(void) { int v; CRITICAL_SECTION_START; - uint8_t t = rx_buffer.tail; - if (rx_buffer.head == t) { + const uint8_t t = rx_buffer.tail; + if (rx_buffer.head == t) v = -1; - } else { v = rx_buffer.buffer[t]; rx_buffer.tail = (uint8_t)(t + 1) & (RX_BUFFER_SIZE - 1); @@ -269,8 +265,8 @@ uint8_t MarlinSerial::available(void) { CRITICAL_SECTION_START; - uint8_t h = rx_buffer.head, - t = rx_buffer.tail; + const uint8_t h = rx_buffer.head, + t = rx_buffer.tail; CRITICAL_SECTION_END; return (uint8_t)(RX_BUFFER_SIZE + h - t) & (RX_BUFFER_SIZE - 1); } @@ -290,13 +286,13 @@ #if TX_BUFFER_SIZE > 0 uint8_t MarlinSerial::availableForWrite(void) { CRITICAL_SECTION_START; - uint8_t h = tx_buffer.head; - uint8_t t = tx_buffer.tail; + const uint8_t h = tx_buffer.head, + t = tx_buffer.tail; CRITICAL_SECTION_END; return (uint8_t)(TX_BUFFER_SIZE + h - t) & (TX_BUFFER_SIZE - 1); } - void MarlinSerial::write(uint8_t c) { + void MarlinSerial::write(const uint8_t c) { _written = true; CRITICAL_SECTION_START; bool emty = (tx_buffer.head == tx_buffer.tail); @@ -312,7 +308,7 @@ CRITICAL_SECTION_END; return; } - uint8_t i = (tx_buffer.head + 1) & (TX_BUFFER_SIZE - 1); + const uint8_t i = (tx_buffer.head + 1) & (TX_BUFFER_SIZE - 1); // If the output buffer is full, there's nothing for it other than to // wait for the interrupt handler to empty it a bit @@ -372,25 +368,24 @@ void MarlinSerial::print(char c, int base) { - print((long) c, base); + print((long)c, base); } void MarlinSerial::print(unsigned char b, int base) { - print((unsigned long) b, base); + print((unsigned long)b, base); } void MarlinSerial::print(int n, int base) { - print((long) n, base); + print((long)n, base); } void MarlinSerial::print(unsigned int n, int base) { - print((unsigned long) n, base); + print((unsigned long)n, base); } void MarlinSerial::print(long n, int base) { - if (base == 0) { + if (base == 0) write(n); - } else if (base == 10) { if (n < 0) { print('-'); @@ -398,9 +393,8 @@ } printNumber(n, 10); } - else { + else printNumber(n, base); - } } void MarlinSerial::print(unsigned long n, int base) { diff --git a/Marlin/MarlinSerial.h b/Marlin/MarlinSerial.h index 7ec7b2c26..8456a7237 100644 --- a/Marlin/MarlinSerial.h +++ b/Marlin/MarlinSerial.h @@ -119,21 +119,21 @@ public: MarlinSerial() {}; - static void begin(long); + static void begin(const long); static void end(); static int peek(void); static int read(void); static void flush(void); static uint8_t available(void); static void checkRx(void); - static void write(uint8_t c); + static void write(const uint8_t c); #if TX_BUFFER_SIZE > 0 static uint8_t availableForWrite(void); static void flushTX(void); #endif private: - static void printNumber(unsigned long, uint8_t); + static void printNumber(unsigned long, const uint8_t); static void printFloat(double, uint8_t); public: