-/*!
+/**
* \file
* <!--
- * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2003, 2004, 2005, 2006, 2007 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).
* \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 <cfg/debug.h>
+#include <cpu/irq.h>
+#include <cpu/attr.h>
+#include <cpu/types.h>
+#include <cfg/macros.h> /* for BV() */
+#include <appconfig.h>
+#warning what about these?
+//#include <hw_cpu.h> /* for CLOCK_FREQ */
+//#include <hw_ser.h> /* Required for bus macros overrides */
#include <mware/formatwr.h> /* for _formatted_write() */
+#include <mware/pgm.h>
#ifdef _DEBUG
-#if defined(_EMUL)
+#if CPU_HARVARD && !defined(_PROGMEM)
+ #error This module build correctly only in program memory!
+#endif
+
+
+#if OS_HOSTED
#include <stdio.h>
#define KDBG_WAIT_READY() do { /*nop*/ } while(0)
- #define KDBG_WRITE_CHAR(c) putchar((c))
+ #define KDBG_WRITE_CHAR(c) putc((c), stderr)
#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
+
+ #define kdbg_hw_init() do {} while (0) ///< Not needed
+
+ #if CONFIG_KDEBUG_PORT == 666
+ #error BITBANG debug console missing for this platform
#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
+ #include CPU_CSOURCE(kdebug)
#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");
+ /* Init debug hw */
+ kdbg_hw_init();
+ kputs("\n\n*** BeRTOS DBG START ***\n");
}
-/*!
+/**
* Output one character to the debug console
*/
-static void __kputchar(char c, UNUSED(void *, unused))
+static void __kputchar(char c, UNUSED_ARG(void *, unused))
{
/* Poll while serial buffer is still busy */
KDBG_WAIT_READY();
}
-void PGM_FUNC(kprintf)(const char * PGM_ATTR fmt, ...)
+static void PGM_FUNC(kvprintf)(const char * PGM_ATTR fmt, va_list ap)
{
- va_list ap;
-
+#if CONFIG_PRINTF
/* 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);
+#else
+ /* A better than nothing printf() surrogate. */
+ PGM_FUNC(kputs)(fmt);
+#endif /* CONFIG_PRINTF */
}
+void PGM_FUNC(kprintf)(const char * PGM_ATTR fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ PGM_FUNC(kvprintf)(fmt, ap);
+ va_end(ap);
+}
void PGM_FUNC(kputs)(const char * PGM_ATTR str)
{
}
-int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char * PGM_ATTR file, int line)
+/**
+ * Cheap function to print small integers without using printf().
+ */
+int kputnum(int num)
+{
+ int output_len = 0;
+ int divisor = 10000;
+ int digit;
+
+ do
+ {
+ digit = num / divisor;
+ num %= divisor;
+
+ if (digit || output_len || divisor == 1)
+ {
+ kputchar(digit + '0');
+ ++output_len;
+ }
+ }
+ while (divisor /= 10);
+
+ return output_len;
+}
+
+
+static void klocation(const char * PGM_ATTR file, int line)
{
PGM_FUNC(kputs)(file);
- PGM_FUNC(kprintf)(PSTR(":%d: Assertion failed: "), line);
+ kputchar(':');
+ kputnum(line);
+ PGM_FUNC(kputs)(PGM_STR(": "));
+}
+
+int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char * PGM_ATTR file, int line)
+{
+ klocation(file, line);
+ PGM_FUNC(kputs)(PGM_STR("Assertion failed: "));
PGM_FUNC(kputs)(cond);
- PGM_FUNC(kputs)(PSTR("\n"));
+ kputchar('\n');
+ BREAKPOINT;
return 1;
}
+/*
+ * Unfortunately, there's no way to get __func__ in
+ * program memory, so we waste quite a lot of RAM in
+ * AVR and other Harvard processors.
+ */
+void PGM_FUNC(__trace)(const char *name)
+{
+ PGM_FUNC(kprintf)(PGM_STR("%s()\n"), name);
+}
+
+void PGM_FUNC(__tracemsg)(const char *name, const char * PGM_ATTR fmt, ...)
+{
+ va_list ap;
+
+ PGM_FUNC(kprintf)(PGM_STR("%s(): "), name);
+ va_start(ap, fmt);
+ PGM_FUNC(kvprintf)(fmt, ap);
+ va_end(ap);
+ kputchar('\n');
+}
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);
+ klocation(file, line);
+ PGM_FUNC(kputs)(PGM_STR("Invalid ptr: "));
PGM_FUNC(kputs)(name);
- PGM_FUNC(kprintf)(PSTR(" = 0x%x\n"), value);
+ #if CONFIG_PRINTF
+ PGM_FUNC(kprintf)(PGM_STR(" = 0x%p\n"), value);
+ #else
+ (void)value;
+ kputchar('\n');
+ #endif
return 1;
}
}
-int __check_wall(long *wall, int size, const char *name, const char *file, int line)
+int PGM_FUNC(__check_wall)(long *wall, int size, const char * PGM_ATTR name, const char * PGM_ATTR file, int line)
{
int i, fail = 0;
{
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]);
+ klocation(file, line);
+ PGM_FUNC(kputs)(PGM_STR("Wall broken: "));
+ PGM_FUNC(kputs)(name);
+ #if CONFIG_PRINTF
+ PGM_FUNC(kprintf)(PGM_STR("[%d] (0x%p) = 0x%lx\n"), i, wall + i, wall[i]);
+ #else
+ kputchar('\n');
+ #endif
fail = 1;
}
}
}
-/*!
+#if CONFIG_PRINTF
+
+/**
* Dump binary data in hex
*/
void kdump(const void *_buf, size_t len)
kputchar('\n');
}
+#endif /* CONFIG_PRINTF */
+
#endif /* _DEBUG */