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Patch MarlinSerial to match up with 32-bit version

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This commit is contained in:
Scott Lahteine 2017-04-02 04:24:28 -05:00
parent 34b23ff312
commit de4e19f17e
2 changed files with 31 additions and 37 deletions
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62
Marlin/MarlinSerial.cpp
View file

@ -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) {

6
Marlin/MarlinSerial.h
View file

@ -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: