/*!
* \file
* <!--
- * Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2000,2001,2002 Bernardo Innocenti <bernie@codewiz.org>
+ * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2000, 2001, 2002 Bernardo Innocenti <bernie@codewiz.org>
* This file is part of DevLib - See devlib/README for information.
* -->
*
- * \brief General pourpose debug functions.
+ * \brief General pourpose debug support for embedded systems (implementation).
*
* \version $Id$
- *
* \author Bernardo Innocenti <bernie@develer.com>
* \author Stefano Fedrigo <aleph@develer.com>
*/
/*#*
*#* $Log$
+ *#* Revision 1.17 2004/10/03 18:41:28 bernie
+ *#* Restore \version header killed by mistake in previous commit.
+ *#*
+ *#* Revision 1.16 2004/10/03 18:40:50 bernie
+ *#* Use new CPU macros.
+ *#*
+ *#* Revision 1.15 2004/09/14 21:03:46 bernie
+ *#* Use debug.h instead of kdebug.h.
+ *#*
+ *#* Revision 1.14 2004/09/06 21:39:56 bernie
+ *#* Allow partial redefinition of BUS macros.
+ *#*
*#* Revision 1.13 2004/08/29 22:04:26 bernie
*#* Convert 485 macros to generic BUS macros;
*#* kputchar(): New public function.
*#*
*#*/
-#include "kdebug.h"
+#include <debug.h>
+#include <cpu.h>
#include "hw.h"
#include "config.h"
* Support for special bus policies or external transceivers
* on UART0 (to be overridden in "hw.h").
*/
- #if !defined(KDBG_UART0_BUS_INIT)
- #if defined(KDBG_UART0_BUS_RX) || defined(KDBG_UART0_BUS_TX)
- #error KDBG_UART0_BUS_INIT, KDBG_UART0_BUS_RX and KDBG_UART0_BUS_TX must be defined together
- #endif
- #define KDBG_UART0_BUS_INIT do {} while (0)
- #define KDBG_UART0_BUS_TX do {} while (0)
- #define KDBG_UART0_BUS_RX do {} while (0)
- #elif !defined(KDBG_UART0_BUS_RX) || !defined(KDBG_UART0_BUS_TX)
- #error KDBG_UART0_BUS_INIT, KDBG_UART0_BUS_RX and KDBG_UART0_BUS_TX must be defined together
+ #ifndef KDBG_UART0_BUS_INIT
+ #define KDBG_UART0_BUS_INIT do {} while (0)
+ #endif
+ #ifndef KDBG_UART0_BUS_RX
+ #define KDBG_UART0_BUS_RX do {} while (0)
+ #endif
+ #ifndef KDBG_UART0_BUS_TX
+ #define KDBG_UART0_BUS_TX do {} while (0)
#endif
- #if defined(__AVR_ATmega64__)
+ #if CPU_AVR_ATMEGA64
#define UCR UCSR0B
#define UDR UDR0
#define USR UCSR0A
- #elif defined(__AVR_ATmega8__)
+ #elif CPU_AVR_ATMEGA8
#define UCR UCSRB
#define USR UCSRA
+ #else
+ #error Unknown CPU
#endif
#define KDBG_WAIT_READY() do { loop_until_bit_is_set(USR, UDRE); } while(0)
#define KDBG_WAIT_TXDONE() do { loop_until_bit_is_set(USR, TXC); } while(0)
+
/*
* We must clear the TXC flag before sending a new character to allow
* KDBG_WAIT_TXDONE() to work properly.
#define KDBG_WRITE_CHAR(c) do { USR |= BV(TXC); UDR = (c); } while(0)
#define KDBG_MASK_IRQ(old) do { \
- KDBG_UART0_BUS_TX; \
(old) = UCR; \
UCR |= BV(TXEN); \
UCR &= ~(BV(TXCIE) | BV(UDRIE)); \
+ KDBG_UART0_BUS_TX; \
} while(0)
#define KDBG_RESTORE_IRQ(old) do { \
* on UART1 (to be overridden in "hw.h").
*/
#ifndef KDBG_UART1_BUS_INIT
- #if defined(KDBG_UART1_BUS_RX) || defined(KDBG_UART1_BUS_TX)
- #error KDBG_UART1_BUS_INIT, KDBG_UART1_BUS_RX and KDBG_UART1_BUS_TX must be defined together
- #endif
- #define KDBG_UART1_BUS_INIT do {} while (0)
- #define KDBG_UART1_BUS_TX do {} while (0)
- #define KDBG_UART1_BUS_RX do {} while (0)
- #elif !defined(KDBG_UART1_BUS_RX) || !defined(KDBG_UART1_BUS_TX)
- #error KDBG_UART1_BUS_INIT, KDBG_UART1_BUS_RX and KDBG_UART1_BUS_TX must be defined together
+ #define KDBG_UART1_BUS_INIT do {} while (0)
+ #endif
+ #ifndef KDBG_UART1_BUS_RX
+ #define KDBG_UART1_BUS_RX do {} while (0)
+ #endif
+ #ifndef KDBG_UART1_BUS_TX
+ #define KDBG_UART1_BUS_TX do {} while (0)
#endif
#define KDBG_WAIT_READY() do { loop_until_bit_is_set(UCSR1A, UDRE); } while(0)
#define KDBG_WRITE_CHAR(c) do { UCSR1A |= BV(TXC); UDR1 = (c); } while(0)
#define KDBG_MASK_IRQ(old) do { \
- KDBG_UART1_BUS_TX; \
(old) = UCSR1B; \
UCSR1B |= BV(TXEN); \
UCSR1B &= ~(BV(TXCIE) | BV(UDRIE)); \
+ KDBG_UART1_BUS_TX; \
} while(0)
#define KDBG_RESTORE_IRQ(old) do { \
/* Compute the baud rate */
uint16_t period = (((CLOCK_FREQ / 16UL) + (CONFIG_KDEBUG_BAUDRATE / 2)) / CONFIG_KDEBUG_BAUDRATE) - 1;
- #if defined(__AVR_ATmega64__)
+ #if CPU_AVR_ATMEGA64
#if CONFIG_KDEBUG_PORT == 0
UBRR0H = (uint8_t)(period>>8);
UBRR0L = (uint8_t)period;
#else
#error CONFIG_KDEBUG_PORT must be either 0 or 1
#endif
- #elif defined(__AVR_ATmega8__)
+ #elif CPU_AVR_ATMEGA8
UBRRH = (uint8_t)(period>>8);
UBRRL = (uint8_t)period;
- #elif defined(__AVR_ATmega103__)
+ #elif CPU_AVR_ATMEGA103
UBRR = (uint8_t)period;
KDBG_UART0_BUS_INIT;
#else
- #error Unknown arch
+ #error Unknown CPU
#endif
#endif /* !CPU_I196 && !CPU_AVR */
projects / bertos.git / blobdiff