/**
* \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 1.31 2007/06/07 14:25:30 batt
- *#* Merge from project_ks
- *#*
- *#* Revision 1.30 2007/01/28 09:18:06 batt
- *#* Merge from project_ks.
- *#*
- *#* Revision 1.29 2006/11/23 13:19:39 batt
- *#* Add BitBanged serial debug console.
- *#*
- *#* 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 */
-#include <hw_ser.h> /* Required for bus macros overrides */
+#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
#error This module build correctly only in program memory!
#endif
-#if defined(_EMUL)
+
+#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 */
- #if CONFIG_KDEBUG_PORT == 666
- #error BITBANG debug console missing for this platform
- #endif
-#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 */
+ #define kdbg_hw_init() do {} while (0) ///< Not needed
- #if CONFIG_KDEBUG_PORT == 666
- #error BITBANG debug console missing for this platform
- #endif
-#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_ser.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(TXEN0); \
- } 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 || CPU_AVR_ATMEGA168
- #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, UDRE0); } while(0)
- #define KDBG_WAIT_TXDONE() do { loop_until_bit_is_set(USR, TXC0); } 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(TXC0); UDR = (c); } while(0)
-
- #define KDBG_MASK_IRQ(old) do { \
- (old) = UCR; \
- UCR |= BV(TXEN0); \
- UCR &= ~(BV(TXCIE0) | BV(UDRIE0)); \
- 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_ser.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(TXEN1); \
- } 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, UDRE1); } while(0)
- #define KDBG_WAIT_TXDONE() do { loop_until_bit_is_set(UCSR1A, TXC1); } while(0)
- #define KDBG_WRITE_CHAR(c) do { UCSR1A |= BV(TXC1); UDR1 = (c); } while(0)
-
- #define KDBG_MASK_IRQ(old) do { \
- (old) = UCSR1B; \
- UCSR1B |= BV(TXEN1); \
- UCSR1B &= ~(BV(TXCIE1) | BV(UDRIE1)); \
- 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;
-
- /*
- * Special debug port for BitBanged Serial see below for details...
- */
- #elif CONFIG_KDEBUG_PORT == 666
- #include "hw_ser.h"
- #define KDBG_WAIT_READY() do { /*nop*/ } while(0)
- #define KDBG_WRITE_CHAR(c) _kdebug_bitbang_putchar((c))
- #define KDBG_MASK_IRQ(old) do { IRQ_SAVE_DISABLE((old)); } while(0)
- #define KDBG_RESTORE_IRQ(old) do { IRQ_RESTORE((old)); } while(0)
- typedef cpuflags_t kdbg_irqsave_t;
-
- #define KDBG_DELAY (((CLOCK_FREQ + CONFIG_KDEBUG_BAUDRATE / 2) / CONFIG_KDEBUG_BAUDRATE) + 7) / 14
-
- static void _kdebug_bitbang_delay(void)
- {
- unsigned long i;
-
- for (i = 0; i < KDBG_DELAY; i++)
- {
- NOP;
- NOP;
- NOP;
- NOP;
- NOP;
- }
- }
- #else
- #error CONFIG_KDEBUG_PORT should be either 0, 1 or 666
- #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 */
#if CONFIG_KDEBUG_PORT == 666
#error BITBANG debug console missing for this platform
#endif
#else
- #error Unknown architecture
-#endif
-
-#if CONFIG_KDEBUG_PORT == 666
- /**
- * Putchar for BITBANG serial debug console.
- * Sometimes, we can't permit to use a whole serial for debugging purpose.
- * Since debug console is in output only it is usefull to use a single generic I/O pin for debug.
- * This is achieved by this simple function, that shift out the data like a UART, but
- * in software :)
- * The only requirement is that SER_BITBANG_* macros will be defined somewhere (usually hw_ser.h)
- * \note All interrupts are disabled during debug prints!
- */
- static void _kdebug_bitbang_putchar(char c)
- {
- int i;
- uint16_t data = c;
-
- /* Add stop bit */
- data |= 0x0100;
-
- /* Add start bit*/
- data <<= 1;
-
- /* Shift out data */
- uint16_t shift = 1;
- for (i = 0; i < 10; i++)
- {
- if (data & shift)
- SER_BITBANG_HIGH;
- else
- SER_BITBANG_LOW;
- _kdebug_bitbang_delay();
- shift <<= 1;
- }
- }
+ #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
- #if CONFIG_KDEBUG_PORT == 666
- SER_BITBANG_INIT;
- #else /* CONFIG_KDEBUG_PORT != 666 */
- /* 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_ATMEGA168
- UBRR0H = (uint8_t)(period>>8);
- UBRR0L = (uint8_t)period;
- KDBG_UART0_BUS_INIT;
- #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 /* CONFIG_KDEBUG_PORT == 666 */
-
-#endif /* !CPU_I196 && !CPU_AVR */
-
- kputs("\n\n*** DBG START ***\n");
+ /* Init debug hw */
+ kdbg_hw_init();
+ kputs("\n\n*** BeRTOS DBG START ***\n");
}
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');
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