-/*
+/*!
* \file
* <!--
* Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
* Copyright 2000,2001,2002 Bernardo Innocenti <bernie@codewiz.org>
- * All Rights Reserved.
+ * This file is part of DevLib - See devlib/README for information.
* -->
*
* \brief General pourpose debug functions.
*/
/*
+ * $Log$
+ * 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 "kdebug.h"
#if defined(_EMUL)
#include <stdio.h>
- #define KDBG_WAIT_READY() do {/*nop*/} while(0)
+ #define KDBG_WAIT_READY() do { /*nop*/ } while(0)
#define KDBG_WRITE_CHAR(c) putchar((c))
- #define KDBG_MASK_IRQ(old) do {/*nop*/} while(0)
- #define KDBG_RESTORE_IRQ() do {/*nop*/} while(0)
-#elif defined(__I196__)
+ #define KDBG_MASK_IRQ(old) do { (void)(old); } while(0)
+ #define KDBG_RESTORE_IRQ() do { /*nop*/ } while(0)
+ typedef kdbg_irqsave_t char; /* 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)
INT_MASK1 &= ~INT1F_TI; \
} while(0)
#define KDBG_RESTORE_IRQ(old) do { INT_MASK1 |= (old); }
-#elif defined(__AVR__)
+ typedef kdbg_irqsave_t uint16_t; /* FIXME: unconfirmed */
+#elif CPU_AVR
#include <avr/io.h>
#if CONFIG_KDEBUG_PORT == 0
- #ifndef __AVR_ATmega103__
+
+ /* External 485 transceiver on UART0 (to be overridden in "hw.h"). */
+ #if !defined(SER_UART0_485_INIT)
+ #if defined(SER_UART0_485_RX) || defined(SER_UART0_485_TX)
+ #error SER_UART0_485_INIT, SER_UART0_485_RX and SER_UART0_485_TX must be defined together
+ #endif
+ #define SER_UART0_485_INIT do {} while (0)
+ #define SER_UART0_485_TX do {} while (0)
+ #define SER_UART0_485_RX do {} while (0)
+ #elif !defined(SER_UART0_485_RX) || !defined(SER_UART0_485_TX)
+ #error SER_UART0_485_INIT, SER_UART0_485_RX and SER_UART0_485_TX must be defined together
+ #endif
+
+ #if defined(__AVR_ATmega64__)
#define UCR UCSR0B
#define UDR UDR0
#define USR UCSR0A
+ #elif defined(__AVR_ATmega8__)
+ #define UCR UCSRB
+ #define USR UCSRA
#endif
+
#define KDBG_WAIT_READY() do { loop_until_bit_is_set(USR, UDRE); } while(0)
- #define KDBG_WRITE_CHAR(c) do { UCR |= BV(TXEN); UDR = (c); } while(0)
- #define KDBG_MASK_IRQ(old) do { (old) = UCR & BV(TXCIE); cbi(UCR, TXCIE); } while(0)
- #define KDBG_RESTORE_IRQ(old) do { UCR |= (old); } while(0)
+ #define KDBG_WAIT_TXDONE() do { loop_until_bit_is_set(USR, TXC); } while(0)
+ /*
+ * BUG: before sending a new character the TXC flag is cleared to allow
+ * KDBG_WAIT_TXDONE() to work properly, but, if KDBG_WRITE_CHAR() is called
+ * after the RXC flag is set by hardware, a new TXC could be generated
+ * after we clear it and before the new character is put in UDR. In this
+ * case if a 485 is used the transceiver will be put in RX mode while
+ * transmitting the last char.
+ */
+ #define KDBG_WRITE_CHAR(c) do { USR |= BV(TXC); UDR = (c); } while(0)
+
+ #define KDBG_MASK_IRQ(old) do { \
+ SER_UART0_485_TX; \
+ (old) = UCR; \
+ UCR |= BV(TXEN); \
+ UCR &= ~(BV(TXCIE) | BV(UDRIE)); \
+ } while(0)
+
+ #define KDBG_RESTORE_IRQ(old) do { \
+ KDBG_WAIT_TXDONE(); \
+ SER_UART0_485_RX; \
+ UCR = (old); \
+ } while(0)
+
+ typedef kdbg_irqsave_t uint8_t;
+
#elif CONFIG_KDEBUG_PORT == 1
+
+ /* External 485 transceiver on UART1 (to be overridden in "hw.h"). */
+ #ifndef SER_UART1_485_INIT
+ #if defined(SER_UART1_485_RX) || defined(SER_UART1_485_TX)
+ #error SER_UART1_485_INIT, SER_UART1_485_RX and SER_UART1_485_TX must be defined together
+ #endif
+ #define SER_UART1_485_INIT do {} while (0)
+ #define SER_UART1_485_TX do {} while (0)
+ #define SER_UART1_485_RX do {} while (0)
+ #elif !defined(SER_UART1_485_RX) || !defined(SER_UART1_485_TX)
+ #error SER_UART1_485_INIT, SER_UART1_485_RX and SER_UART1_485_TX must be defined together
+ #endif
+
#define KDBG_WAIT_READY() do { loop_until_bit_is_set(UCSR1A, UDRE); } while(0)
- #define KDBG_WRITE_CHAR(c) do { UCSR1B |= BV(TXEN); UDR1 = (c); } while(0)
- #define KDBG_MASK_IRQ(old) do { (old) = UCSR1B & BV(TXCIE); cbi(UCSR1B, TXCIE); } while(0)
- #define KDBG_RESTORE_IRQ(old) do { UCSR1B |= (old); } 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 { \
+ SER_UART1_485_TX; \
+ (old) = UCSR1B; \
+ UCSR1B |= BV(TXEN); \
+ UCSR1B &= ~(BV(TXCIE) | BV(UDRIE)); \
+ } while(0)
+
+ #define KDBG_RESTORE_IRQ(old) do { \
+ KDBG_WAIT_TXDONE(); \
+ SER_UART1_485_RX; \
+ UCSR1B = (old); \
+ } while(0)
+
+ typedef kdbg_irqsave_t uint8_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 kdbg_irqsave_t uint8_t; /* unused */
#else
#error Unknown architecture
#endif
void kdbg_init(void)
{
-#if defined(__I196__)
+#if CPU_I196
/* Set serial port for 19200bps 8N1 */
INT_MASK1 &= ~(INT1F_TI | INT1F_RI);
BAUD_RATE = 0x33;
BAUD_RATE = 0x80;
-#elif defined(__AVR__)
+#elif CPU_AVR
/* Compute the baud rate */
uint16_t period = (((CLOCK_FREQ / 16UL) + (CONFIG_KDEBUG_BAUDRATE / 2)) / CONFIG_KDEBUG_BAUDRATE) - 1;
- #ifdef __AVR_ATmega64__
+ #if defined(__AVR_ATmega64__)
#if CONFIG_KDEBUG_PORT == 0
-
- /* Set the baud rate */
UBRR0H = (uint8_t)(period>>8);
UBRR0L = (uint8_t)period;
-
+ SER_UART0_485_INIT;
#elif CONFIG_KDEBUG_PORT == 1
-
UBRR1H = (uint8_t)(period>>8);
UBRR1L = (uint8_t)period;
-
+ SER_UART1_485_INIT;
#else
- #error CONFIG_KDEBUG_PORT should be either 0 or 1
+ #error CONFIG_KDEBUG_PORT must be either 0 or 1
#endif
- #elif defined (__AVR_ATmega103__)
-
- /* Set the baud rate */
+ #elif defined(__AVR_ATmega8__)
+ UBRRH = (uint8_t)(period>>8);
+ UBRRL = (uint8_t)period;
+ #elif defined(__AVR_ATmega103__)
UBRR = (uint8_t)period;
-
+ SER_UART0_485_INIT;
#else
#error Unknown arch
#endif
-#endif /* !__I196__ && !__AVR__ */
+#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))
+static void __kputchar(char c, UNUSED(void *, unused))
{
/* Poll while serial buffer is still busy */
KDBG_WAIT_READY();
}
+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 */
- unsigned char irqsave;
+ kdbg_irqsave_t irqsave;
KDBG_MASK_IRQ(irqsave);
va_start(ap, fmt);
- PGM_FUNC(_formatted_write)(fmt, kputchar, 0, ap);
+ PGM_FUNC(_formatted_write)(fmt, __kputchar, 0, ap);
va_end(ap);
/* Restore serial TX intr */
char c;
/* Mask serial TX intr */
- unsigned char irqsave;
+ kdbg_irqsave_t irqsave;
KDBG_MASK_IRQ(irqsave);
while ((c = PGM_READ_CHAR(str++)))
- kputchar(c, 0);
+ __kputchar(c, 0);
KDBG_RESTORE_IRQ(irqsave);
}
int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char *file, int line)
{
PGM_FUNC(kputs)(file);
- PGM_FUNC(kprintf)(PSTR(":%d: Assertion failed: \""), line);
+ PGM_FUNC(kprintf)(PSTR(":%d: Assertion failed: "), line);
PGM_FUNC(kputs)(cond);
- PGM_FUNC(kputs)(PSTR("\"\n"));
+ PGM_FUNC(kputs)(PSTR("\n"));
return 1;
}
{
if (wall[i] != WALL_VALUE)
{
- kprintf("%s:%d: Wall broken: %s[%d] (0x%p) = %ld\n",
+ kprintf("%s:%d: Wall broken: %s[%d] (0x%p) = 0x%lx\n",
file, line, name, i, wall + i, wall[i]);
fail = 1;
}