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Merge pull request #290 from buildrob/Marlin_v1

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Clean up special serial port cases
2.0.x
daid 12 years ago
parent 12a4d60e18 08337e01f7
commit faea7d72b8
2 changed files with 8 additions and 15 deletions
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16
Marlin/MarlinSerial.h
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@ -24,7 +24,7 @@
#include "Marlin.h" #include "Marlin.h"
#if !defined(SERIAL_PORT) #if !defined(SERIAL_PORT)
#error SERIAL_PORT not set #define SERIAL_PORT 0
#endif #endif
// The presence of the UBRRH register is used to detect a UART. // The presence of the UBRRH register is used to detect a UART.
@ -35,7 +35,7 @@
// These are macros to build serial port register names for the selected SERIAL_PORT (C preprocessor // These are macros to build serial port register names for the selected SERIAL_PORT (C preprocessor
// requires two levels of indirection to expand macro values properly) // requires two levels of indirection to expand macro values properly)
#define SERIAL_REGNAME(registerbase,number,suffix) SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) #define SERIAL_REGNAME(registerbase,number,suffix) SERIAL_REGNAME_INTERNAL(registerbase,number,suffix)
#if SERIAL_PORT == 0 && !defined(UBRR0H) #if SERIAL_PORT == 0 && (!defined(UBRR0H) || !defined(UDR0)) // use un-numbered registers if necessary
#define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##suffix #define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##suffix
#else #else
#define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##number##suffix #define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##number##suffix
@ -43,21 +43,13 @@
// Registers used by MarlinSerial class (these are expanded // Registers used by MarlinSerial class (these are expanded
// depending on selected serial port // depending on selected serial port
#define M_UCSRxA SERIAL_REGNAME(UCSR,SERIAL_PORT,A) // defines M_UCSRxA to be UCSRxA where x is the serial port number #define M_UCSRxA SERIAL_REGNAME(UCSR,SERIAL_PORT,A) // defines M_UCSRxA to be UCSRnA where n is the serial port number
#define M_UCSRxB SERIAL_REGNAME(UCSR,SERIAL_PORT,B) #define M_UCSRxB SERIAL_REGNAME(UCSR,SERIAL_PORT,B)
#define M_RXENx SERIAL_REGNAME(RXEN,SERIAL_PORT,) #define M_RXENx SERIAL_REGNAME(RXEN,SERIAL_PORT,)
#define M_TXENx SERIAL_REGNAME(TXEN,SERIAL_PORT,) #define M_TXENx SERIAL_REGNAME(TXEN,SERIAL_PORT,)
#define M_RXCIEx SERIAL_REGNAME(RXCIE,SERIAL_PORT,) #define M_RXCIEx SERIAL_REGNAME(RXCIE,SERIAL_PORT,)
#define M_UDREx SERIAL_REGNAME(UDRE,SERIAL_PORT,) #define M_UDREx SERIAL_REGNAME(UDRE,SERIAL_PORT,)
#if SERIAL_PORT == 0 && !defined(UDR0) #define M_UDRx SERIAL_REGNAME(UDR,SERIAL_PORT,)
#if defined(UDR)
#define M_UDRx UDR // atmega8, atmega32
#else
#error UDR not defined
#endif
#else
#define M_UDRx SERIAL_REGNAME(UDR,SERIAL_PORT,)
#endif
#define M_UBRRxH SERIAL_REGNAME(UBRR,SERIAL_PORT,H) #define M_UBRRxH SERIAL_REGNAME(UBRR,SERIAL_PORT,H)
#define M_UBRRxL SERIAL_REGNAME(UBRR,SERIAL_PORT,L) #define M_UBRRxL SERIAL_REGNAME(UBRR,SERIAL_PORT,L)
#define M_RXCx SERIAL_REGNAME(RXC,SERIAL_PORT,) #define M_RXCx SERIAL_REGNAME(RXC,SERIAL_PORT,)

1
README.md
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@ -45,6 +45,7 @@ Features:
* Heater power reporting. Useful for PID monitoring. * Heater power reporting. Useful for PID monitoring.
* PID tuning * PID tuning
* CoreXY kinematics (www.corexy.com/theory.html) * CoreXY kinematics (www.corexy.com/theory.html)
* Configurable serial port to support connection of wireless adaptors.
The default baudrate is 250000. This baudrate has less jitter and hence errors than the usual 115200 baud, but is less supported by drivers and host-environments. The default baudrate is 250000. This baudrate has less jitter and hence errors than the usual 115200 baud, but is less supported by drivers and host-environments.

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