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-
-
- #include "Marlin.h"
- #include "MarlinSerial.h"
-
- #ifndef AT90USB
-
-
- #if defined(UBRRH) || defined(UBRR0H) || defined(UBRR1H) || defined(UBRR2H) || defined(UBRR3H)
-
- #if UART_PRESENT(SERIAL_PORT)
- ring_buffer rx_buffer = { { 0 }, 0, 0 };
- #endif
-
- FORCE_INLINE void store_char(unsigned char c) {
- int i = (unsigned int)(rx_buffer.head + 1) % RX_BUFFER_SIZE;
-
-
-
-
-
- if (i != rx_buffer.tail) {
- rx_buffer.buffer[rx_buffer.head] = c;
- rx_buffer.head = i;
- }
- }
-
-
-
- #if defined(M_USARTx_RX_vect)
-
-
- SIGNAL(M_USARTx_RX_vect) {
- unsigned char c = M_UDRx;
- store_char(c);
- }
- #endif
-
-
-
- MarlinSerial::MarlinSerial() { }
-
-
-
- void MarlinSerial::begin(long baud) {
- uint16_t baud_setting;
- bool useU2X = true;
-
- #if F_CPU == 16000000UL && SERIAL_PORT == 0
-
-
-
- if (baud == 57600) {
- useU2X = false;
- }
- #endif
-
- if (useU2X) {
- M_UCSRxA = 1 << M_U2Xx;
- baud_setting = (F_CPU / 4 / baud - 1) / 2;
- } else {
- M_UCSRxA = 0;
- baud_setting = (F_CPU / 8 / baud - 1) / 2;
- }
-
-
- M_UBRRxH = baud_setting >> 8;
- M_UBRRxL = baud_setting;
-
- sbi(M_UCSRxB, M_RXENx);
- sbi(M_UCSRxB, M_TXENx);
- sbi(M_UCSRxB, M_RXCIEx);
- }
-
- void MarlinSerial::end() {
- cbi(M_UCSRxB, M_RXENx);
- cbi(M_UCSRxB, M_TXENx);
- cbi(M_UCSRxB, M_RXCIEx);
- }
-
-
- int MarlinSerial::peek(void) {
- if (rx_buffer.head == rx_buffer.tail) {
- return -1;
- } else {
- return rx_buffer.buffer[rx_buffer.tail];
- }
- }
-
- int MarlinSerial::read(void) {
-
- if (rx_buffer.head == rx_buffer.tail) {
- return -1;
- }
- else {
- unsigned char c = rx_buffer.buffer[rx_buffer.tail];
- rx_buffer.tail = (unsigned int)(rx_buffer.tail + 1) % RX_BUFFER_SIZE;
- return c;
- }
- }
-
- void MarlinSerial::flush() {
-
-
-
-
-
-
-
-
-
- rx_buffer.head = rx_buffer.tail;
- }
-
-
-
-
-
- void MarlinSerial::print(char c, int base) {
- print((long) c, base);
- }
-
- void MarlinSerial::print(unsigned char b, int base) {
- print((unsigned long) b, base);
- }
-
- void MarlinSerial::print(int n, int base) {
- print((long) n, base);
- }
-
- void MarlinSerial::print(unsigned int n, int base) {
- print((unsigned long) n, base);
- }
-
- void MarlinSerial::print(long n, int base) {
- if (base == 0) {
- write(n);
- }
- else if (base == 10) {
- if (n < 0) {
- print('-');
- n = -n;
- }
- printNumber(n, 10);
- } else {
- printNumber(n, base);
- }
- }
-
- void MarlinSerial::print(unsigned long n, int base) {
- if (base == 0) write(n);
- else printNumber(n, base);
- }
-
- void MarlinSerial::print(double n, int digits) {
- printFloat(n, digits);
- }
-
- void MarlinSerial::println(void) {
- print('\r');
- print('\n');
- }
-
- void MarlinSerial::println(const String &s) {
- print(s);
- println();
- }
-
- void MarlinSerial::println(const char c[]) {
- print(c);
- println();
- }
-
- void MarlinSerial::println(char c, int base) {
- print(c, base);
- println();
- }
-
- void MarlinSerial::println(unsigned char b, int base) {
- print(b, base);
- println();
- }
-
- void MarlinSerial::println(int n, int base) {
- print(n, base);
- println();
- }
-
- void MarlinSerial::println(unsigned int n, int base) {
- print(n, base);
- println();
- }
-
- void MarlinSerial::println(long n, int base) {
- print(n, base);
- println();
- }
-
- void MarlinSerial::println(unsigned long n, int base) {
- print(n, base);
- println();
- }
-
- void MarlinSerial::println(double n, int digits) {
- print(n, digits);
- println();
- }
-
-
-
- void MarlinSerial::printNumber(unsigned long n, uint8_t base) {
- unsigned char buf[8 * sizeof(long)];
- unsigned long i = 0;
-
- if (n == 0) {
- print('0');
- return;
- }
-
- while (n > 0) {
- buf[i++] = n % base;
- n /= base;
- }
-
- for (; i > 0; i--)
- print((char) (buf[i - 1] < 10 ?
- '0' + buf[i - 1] :
- 'A' + buf[i - 1] - 10));
- }
-
- void MarlinSerial::printFloat(double number, uint8_t digits) {
-
- if (number < 0.0) {
- print('-');
- number = -number;
- }
-
-
- double rounding = 0.5;
- for (uint8_t i = 0; i < digits; ++i)
- rounding /= 10.0;
-
- number += rounding;
-
-
- unsigned long int_part = (unsigned long)number;
- double remainder = number - (double)int_part;
- print(int_part);
-
-
- if (digits > 0)
- print(".");
-
-
- while (digits-- > 0) {
- remainder *= 10.0;
- int toPrint = int(remainder);
- print(toPrint);
- remainder -= toPrint;
- }
- }
-
-
-
- MarlinSerial MSerial;
-
- #endif
- #endif
-
-
- #if defined(AT90USB) && defined (BTENABLED)
- HardwareSerial bt;
- #endif
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