+++ /dev/null
-/*!
- * \file
- * <!--
- * 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 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.
- *#*
- *#* Revision 1.12 2004/08/25 14:12:08 rasky
- *#* Aggiornato il comment block dei log RCS
- *#*
- *#* Revision 1.11 2004/08/24 16:19:08 bernie
- *#* kputchar(): New public function; Add missing dummy inlines for \!_DEBUG.
- *#*
- *#* Revision 1.10 2004/08/04 15:57:50 rasky
- *#* Cambiata la putchar per kdebug per DSP56k: la nuova funzione e' quella piu' a basso livello (assembly)
- *#*
- *#* Revision 1.9 2004/08/02 20:20:29 aleph
- *#* Merge from project_ks
- *#*
- *#* Revision 1.8 2004/07/30 14:26:33 rasky
- *#* Semplificato l'output dell'ASSERT
- *#* Aggiunta ASSERT2 con stringa di help opzionalmente disattivabile
- *#*
- *#* Revision 1.7 2004/07/30 14:15:53 rasky
- *#* Nuovo supporto unificato per detect della CPU
- *#*
- *#* Revision 1.6 2004/07/18 21:49:28 bernie
- *#* Add ATmega8 support.
- *#*
- *#* Revision 1.5 2004/06/27 15:20:26 aleph
- *#* Change UNUSED() macro to accept two arguments: type and name;
- *#* Add macro GNUC_PREREQ to detect GCC version during build;
- *#* Some spacing cleanups and typo fix
- *#*
- *#* Revision 1.4 2004/06/06 18:09:51 bernie
- *#* Import DSP56800 changes; Print broken wall bricks in hex.
- *#*
- *#* Revision 1.3 2004/06/03 11:27:09 bernie
- *#* Add dual-license information.
- *#*
- *#* Revision 1.2 2004/05/23 18:21:53 bernie
- *#* Trim CVS logs and cleanup header info.
- *#*
- *#*/
-
-#include <debug.h>
-#include <cpu.h>
-#include "hw.h"
-#include "config.h"
-
-#include <mware/formatwr.h> /* for _formatted_write() */
-
-#ifdef _DEBUG
-
-#if defined(_EMUL)
- #include <stdio.h>
- #define KDBG_WAIT_READY() do { /*nop*/ } while(0)
- #define KDBG_WRITE_CHAR(c) putchar((c))
- #define KDBG_MASK_IRQ(old) do { (void)(old); } while(0)
- #define KDBG_RESTORE_IRQ(old) do { /*nop*/ } while(0)
- typedef char kdbg_irqsave_t; /* unused */
-#elif CPU_I196
- #include "Util196.h"
- #define KDBG_WAIT_READY() do {} while (!(SP_STAT & (SPSF_TX_EMPTY | SPSF_TX_INT)))
- #define KDBG_WRITE_CHAR(c) do { SBUF = (c); } while(0)
- #define KDBG_MASK_IRQ(old) \
- do { \
- (old) = INT_MASK1 & INT1F_TI; \
- INT_MASK1 &= ~INT1F_TI; \
- } while(0)
- #define KDBG_RESTORE_IRQ(old) do { INT_MASK1 |= (old); }
- typedef uint16_t kdbg_irqsave_t; /* FIXME: unconfirmed */
-#elif CPU_AVR
- #include <avr/io.h>
-
- #if CONFIG_KDEBUG_PORT == 0
-
- /*
- * Support for special bus policies or external transceivers
- * on UART0 (to be overridden in "hw.h").
- */
- #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 CPU_AVR_ATMEGA64
- #define UCR UCSR0B
- #define UDR UDR0
- #define USR UCSR0A
- #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.
- *
- * BUG: if KDBG_WRITE_CHAR() is called after the TXC flag is set by hardware,
- * a new TXC could be generated after we've cleared it and before the new
- * character is written to UDR. On a 485 bus, the transceiver will be put
- * in RX mode while still transmitting the last char.
- */
- #define KDBG_WRITE_CHAR(c) do { USR |= BV(TXC); UDR = (c); } while(0)
-
- #define KDBG_MASK_IRQ(old) do { \
- (old) = UCR; \
- UCR |= BV(TXEN); \
- UCR &= ~(BV(TXCIE) | BV(UDRIE)); \
- KDBG_UART0_BUS_TX; \
- } while(0)
-
- #define KDBG_RESTORE_IRQ(old) do { \
- KDBG_WAIT_TXDONE(); \
- KDBG_UART0_BUS_RX; \
- UCR = (old); \
- } while(0)
-
- typedef uint8_t kdbg_irqsave_t;
-
- #elif CONFIG_KDEBUG_PORT == 1
-
- /*
- * Support for special bus policies or external transceivers
- * on UART1 (to be overridden in "hw.h").
- */
- #ifndef KDBG_UART1_BUS_INIT
- #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_WAIT_TXDONE() do { loop_until_bit_is_set(UCSR1A, TXC); } while(0)
- #define KDBG_WRITE_CHAR(c) do { UCSR1A |= BV(TXC); UDR1 = (c); } while(0)
-
- #define KDBG_MASK_IRQ(old) do { \
- (old) = UCSR1B; \
- UCSR1B |= BV(TXEN); \
- UCSR1B &= ~(BV(TXCIE) | BV(UDRIE)); \
- KDBG_UART1_BUS_TX; \
- } while(0)
-
- #define KDBG_RESTORE_IRQ(old) do { \
- KDBG_WAIT_TXDONE(); \
- KDBG_UART1_BUS_RX; \
- UCSR1B = (old); \
- } while(0)
-
- typedef uint8_t kdbg_irqsave_t;
- #else
- #error CONFIG_KDEBUG_PORT should be either 0 or 1
- #endif
-#elif defined(__MWERKS__) && CPU_DSP56K
- /* Debugging go through the JTAG interface. The MSL library already
- implements the console I/O correctly. */
- #include <stdio.h>
- #define KDBG_WAIT_READY() do { } while (0)
- #define KDBG_WRITE_CHAR(c) __put_char(c, stdout)
- #define KDBG_MASK_IRQ(old) do { (void)(old); } while (0)
- #define KDBG_RESTORE_IRQ(old) do { (void)(old); } while (0)
- typedef uint8_t kdbg_irqsave_t; /* unused */
-#else
- #error Unknown architecture
-#endif
-
-
-void kdbg_init(void)
-{
-#if CPU_I196
-
- /* Set serial port for 19200bps 8N1 */
- INT_MASK1 &= ~(INT1F_TI | INT1F_RI);
- SP_CON = SPCF_RECEIVE_ENABLE | SPCF_MODE1;
- ioc1_img |= IOC1F_TXD_SEL | IOC1F_EXTINT_SRC;
- IOC1 = ioc1_img;
- BAUD_RATE = 0x33;
- BAUD_RATE = 0x80;
-
-#elif CPU_AVR
-
- /* Compute the baud rate */
- uint16_t period = (((CLOCK_FREQ / 16UL) + (CONFIG_KDEBUG_BAUDRATE / 2)) / CONFIG_KDEBUG_BAUDRATE) - 1;
-
- #if CPU_AVR_ATMEGA64
- #if CONFIG_KDEBUG_PORT == 0
- UBRR0H = (uint8_t)(period>>8);
- UBRR0L = (uint8_t)period;
- KDBG_UART0_BUS_INIT;
- #elif CONFIG_KDEBUG_PORT == 1
- UBRR1H = (uint8_t)(period>>8);
- UBRR1L = (uint8_t)period;
- KDBG_UART1_BUS_INIT;
- #else
- #error CONFIG_KDEBUG_PORT must be either 0 or 1
- #endif
- #elif CPU_AVR_ATMEGA8
- UBRRH = (uint8_t)(period>>8);
- UBRRL = (uint8_t)period;
- #elif CPU_AVR_ATMEGA103
- UBRR = (uint8_t)period;
- KDBG_UART0_BUS_INIT;
- #else
- #error Unknown CPU
- #endif
-
-#endif /* !CPU_I196 && !CPU_AVR */
-
- kputs("\n\n*** DBG START ***\n");
-}
-
-
-/*!
- * Output one character to the debug console
- */
-static void __kputchar(char c, UNUSED(void *, unused))
-{
- /* Poll while serial buffer is still busy */
- KDBG_WAIT_READY();
-
- /* Send '\n' as '\r\n' for dumb terminals */
- if (c == '\n')
- {
- KDBG_WRITE_CHAR('\r');
- KDBG_WAIT_READY();
- }
-
- KDBG_WRITE_CHAR(c);
-}
-
-
-void kputchar(char c)
-{
- /* Mask serial TX intr */
- kdbg_irqsave_t irqsave;
- KDBG_MASK_IRQ(irqsave);
-
- __kputchar(c, 0);
-
- /* Restore serial TX intr */
- KDBG_RESTORE_IRQ(irqsave);
-}
-
-
-void PGM_FUNC(kprintf)(const char * PGM_ATTR fmt, ...)
-{
- va_list ap;
-
- /* Mask serial TX intr */
- kdbg_irqsave_t irqsave;
- KDBG_MASK_IRQ(irqsave);
-
- va_start(ap, fmt);
- PGM_FUNC(_formatted_write)(fmt, __kputchar, 0, ap);
- va_end(ap);
-
- /* Restore serial TX intr */
- KDBG_RESTORE_IRQ(irqsave);
-}
-
-
-void PGM_FUNC(kputs)(const char * PGM_ATTR str)
-{
- char c;
-
- /* Mask serial TX intr */
- kdbg_irqsave_t irqsave;
- KDBG_MASK_IRQ(irqsave);
-
- while ((c = PGM_READ_CHAR(str++)))
- __kputchar(c, 0);
-
- KDBG_RESTORE_IRQ(irqsave);
-}
-
-
-int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char * PGM_ATTR file, int line)
-{
- PGM_FUNC(kputs)(file);
- PGM_FUNC(kprintf)(PSTR(":%d: Assertion failed: "), line);
- PGM_FUNC(kputs)(cond);
- PGM_FUNC(kputs)(PSTR("\n"));
- return 1;
-}
-
-
-int PGM_FUNC(__invalid_ptr)(void *value, const char * PGM_ATTR name, const char * PGM_ATTR file, int line)
-{
- PGM_FUNC(kputs)(file);
- PGM_FUNC(kprintf)(PSTR(":%d: Invalid pointer: "), line);
- PGM_FUNC(kputs)(name);
- PGM_FUNC(kprintf)(PSTR(" = 0x%x\n"), value);
- return 1;
-}
-
-
-void __init_wall(long *wall, int size)
-{
- while(size--)
- *wall++ = WALL_VALUE;
-}
-
-
-int __check_wall(long *wall, int size, const char *name, const char *file, int line)
-{
- int i, fail = 0;
-
- for (i = 0; i < size; i++)
- {
- if (wall[i] != WALL_VALUE)
- {
- kprintf("%s:%d: Wall broken: %s[%d] (0x%p) = 0x%lx\n",
- file, line, name, i, wall + i, wall[i]);
- fail = 1;
- }
- }
-
- return fail;
-}
-
-
-/*!
- * Dump binary data in hex
- */
-void kdump(const void *_buf, size_t len)
-{
- const unsigned char *buf = (const unsigned char *)_buf;
-
- while (len--)
- kprintf("%02X", *buf++);
- kputchar('\n');
-}
-
-#endif /* _DEBUG */
projects / bertos.git / blobdiff