Merge needed define.
[bertos.git] / drv / kdebug.c
old mode 100755 (executable)
new mode 100644 (file)
index bd21cbb..1e20615
@@ -1,9 +1,34 @@
 /**
  * \file
  * <!--
- * Copyright 2003, 2004, 2005 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 README.devlib for information.
+ *
  * -->
  *
  * \brief General pourpose debug support for embedded systems (implementation).
  * \author Stefano Fedrigo <aleph@develer.com>
  */
 
-/*#*
- *#* $Log$
- *#* Revision 1.28  2006/07/19 12:56:25  bernie
- *#* Convert to new Doxygen style.
- *#*
- *#* Revision 1.27  2006/06/01 12:32:06  marco
- *#* Updated include reference.
- *#*
- *#* Revision 1.26  2006/04/27 05:40:27  bernie
- *#* Break on assertion failures.
- *#*
- *#* Revision 1.25  2005/06/27 21:26:24  bernie
- *#* Misc PGM fixes.
- *#*
- *#* Revision 1.24  2005/04/12 01:36:37  bernie
- *#* Add hack to enable TX line at module initialization.
- *#*
- *#* Revision 1.23  2005/04/11 19:10:27  bernie
- *#* Include top-level headers from cfg/ subdir.
- *#*
- *#* Revision 1.22  2005/02/18 11:18:33  bernie
- *#* Fixes for Harvard processors from project_ks.
- *#*
- *#* Revision 1.21  2005/02/16 20:29:48  bernie
- *#* TRACE(), TRACEMSG(): Reduce code and data footprint.
- *#*
- *#* Revision 1.20  2005/01/25 08:36:40  bernie
- *#* kputnum(): Export.
- *#*
- *#* Revision 1.19  2004/12/31 17:47:45  bernie
- *#* Rename UNUSED() to UNUSED_ARG().
- *#*/
 
 #include <cfg/debug.h>
-#include <cfg/cpu.h>
+#include <cpu/irq.h>
+#include <cpu/attr.h>
+#include <cpu/types.h>
 #include <cfg/macros.h> /* for BV() */
 #include <appconfig.h>
-#include <hw_cpu.h>     /* for CLOCK_FREQ */
+#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").
-                *
-                * HACK: if we don't set TXEN, kdbg disables the transmitter
-                * after each output statement until the serial driver
-                * is initialized.  These glitches confuse the debug
-                * terminal that ends up printing some trash.
-                */
-               #ifndef KDBG_UART0_BUS_INIT
-               #define KDBG_UART0_BUS_INIT  do { \
-                               UCSR0B = BV(TXEN); \
-                       } 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 || CPU_AVR_ATMEGA128
-                       #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").
-                *
-                * HACK: if we don't set TXEN, kdbg disables the transmitter
-                * after each output statement until the serial driver
-                * is initialized.  These glitches confuse the debug
-                * terminal that ends up printing some trash.
-                */
-               #ifndef KDBG_UART1_BUS_INIT
-               #define KDBG_UART1_BUS_INIT  do { \
-                               UCSR1B = BV(TXEN); \
-                       } 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 || CPU_AVR_ATMEGA128
-               #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");
 }
 
 
@@ -387,7 +229,7 @@ int PGM_FUNC(__invalid_ptr)(void *value, const char * PGM_ATTR name, const char
        PGM_FUNC(kputs)(PGM_STR("Invalid ptr: "));
        PGM_FUNC(kputs)(name);
        #if CONFIG_PRINTF
-               PGM_FUNC(kprintf)(PGM_STR(" = 0x%x\n"), (unsigned int)value);
+               PGM_FUNC(kprintf)(PGM_STR(" = 0x%p\n"), value);
        #else
                (void)value;
                kputchar('\n');