4 * Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
5 * Copyright 2000,2001,2002 Bernardo Innocenti <bernie@codewiz.org>
6 * This file is part of DevLib - See devlib/README for information.
9 * \brief General pourpose debug functions.
13 * \author Bernardo Innocenti <bernie@develer.com>
14 * \author Stefano Fedrigo <aleph@develer.com>
19 * Revision 1.7 2004/07/30 14:15:53 rasky
20 * Nuovo supporto unificato per detect della CPU
22 * Revision 1.6 2004/07/18 21:49:28 bernie
23 * Add ATmega8 support.
25 * Revision 1.5 2004/06/27 15:20:26 aleph
26 * Change UNUSED() macro to accept two arguments: type and name;
27 * Add macro GNUC_PREREQ to detect GCC version during build;
28 * Some spacing cleanups and typo fix
30 * Revision 1.4 2004/06/06 18:09:51 bernie
31 * Import DSP56800 changes; Print broken wall bricks in hex.
33 * Revision 1.3 2004/06/03 11:27:09 bernie
34 * Add dual-license information.
36 * Revision 1.2 2004/05/23 18:21:53 bernie
37 * Trim CVS logs and cleanup header info.
45 #include <mware/formatwr.h> /* for _formatted_write() */
51 #define KDBG_WAIT_READY() do {/*nop*/} while(0)
52 #define KDBG_WRITE_CHAR(c) putchar((c))
53 #define KDBG_MASK_IRQ(old) do {/*nop*/} while(0)
54 #define KDBG_RESTORE_IRQ() do {/*nop*/} while(0)
57 #define KDBG_WAIT_READY() do {} while (!(SP_STAT & (SPSF_TX_EMPTY | SPSF_TX_INT)))
58 #define KDBG_WRITE_CHAR(c) do { SBUF = (c); } while(0)
59 #define KDBG_MASK_IRQ(old) \
61 (old) = INT_MASK1 & INT1F_TI; \
62 INT_MASK1 &= ~INT1F_TI; \
64 #define KDBG_RESTORE_IRQ(old) do { INT_MASK1 |= (old); }
67 #if CONFIG_KDEBUG_PORT == 0
68 #if defined(__AVR_ATmega64__)
72 #elif defined(__AVR_ATmega8__)
76 #define KDBG_WAIT_READY() do { loop_until_bit_is_set(USR, UDRE); } while(0)
77 #define KDBG_WRITE_CHAR(c) do { UCR |= BV(TXEN); UDR = (c); } while(0)
78 #define KDBG_MASK_IRQ(old) do { (old) = UCR & BV(TXCIE); cbi(UCR, TXCIE); } while(0)
79 #define KDBG_RESTORE_IRQ(old) do { UCR |= (old); } while(0)
80 #elif CONFIG_KDEBUG_PORT == 1
81 #define KDBG_WAIT_READY() do { loop_until_bit_is_set(UCSR1A, UDRE); } while(0)
82 #define KDBG_WRITE_CHAR(c) do { UCSR1B |= BV(TXEN); UDR1 = (c); } while(0)
83 #define KDBG_MASK_IRQ(old) do { (old) = UCSR1B & BV(TXCIE); cbi(UCSR1B, TXCIE); } while(0)
84 #define KDBG_RESTORE_IRQ(old) do { UCSR1B |= (old); } while(0)
86 #error CONFIG_KDEBUG_PORT should be either 0 or 1
88 #elif defined(__MWERKS__) && CPU_DSP56K
89 /* Debugging go through the JTAG interface. The MSL library already
90 implements the console I/O correctly. */
92 #define KDBG_WAIT_READY()
93 #define KDBG_WRITE_CHAR(c) do { char ch=c; fwrite(&ch,1,1,stdout); } while (0)
94 #define KDBG_MASK_IRQ(old)
95 #define KDBG_RESTORE_IRQ(old)
97 #error Unknown architecture
105 /* Set serial port for 19200bps 8N1 */
106 INT_MASK1 &= ~(INT1F_TI | INT1F_RI);
107 SP_CON = SPCF_RECEIVE_ENABLE | SPCF_MODE1;
108 ioc1_img |= IOC1F_TXD_SEL | IOC1F_EXTINT_SRC;
115 /* Compute the baud rate */
116 uint16_t period = (((CLOCK_FREQ / 16UL) + (CONFIG_KDEBUG_BAUDRATE / 2)) / CONFIG_KDEBUG_BAUDRATE) - 1;
118 #if defined(__AVR_ATmega64__)
119 #if CONFIG_KDEBUG_PORT == 0
120 UBRR0H = (uint8_t)(period>>8);
121 UBRR0L = (uint8_t)period;
122 #elif CONFIG_KDEBUG_PORT == 1
123 UBRR1H = (uint8_t)(period>>8);
124 UBRR1L = (uint8_t)period;
126 #error CONFIG_KDEBUG_PORT must be either 0 or 1
128 #elif defined(__AVR_ATmega8__)
129 UBRRH = (uint8_t)(period>>8);
130 UBRRL = (uint8_t)period;
131 #elif defined(__AVR_ATmega103__)
132 UBRR = (uint8_t)period;
137 #endif /* !CPU_I196 && !CPU_AVR */
139 kputs("\n\n*** DBG START ***\n");
144 * Output one character to the debug console
146 static void kputchar(char c, UNUSED(void *, unused))
148 /* Poll while serial buffer is still busy */
151 /* Send '\n' as '\r\n' for dumb terminals */
154 KDBG_WRITE_CHAR('\r');
162 void PGM_FUNC(kprintf)(const char * PGM_ATTR fmt, ...)
166 /* Mask serial TX intr */
167 unsigned char irqsave;
168 KDBG_MASK_IRQ(irqsave);
171 PGM_FUNC(_formatted_write)(fmt, kputchar, 0, ap);
174 /* Restore serial TX intr */
175 KDBG_RESTORE_IRQ(irqsave);
179 void PGM_FUNC(kputs)(const char * PGM_ATTR str)
183 /* Mask serial TX intr */
184 unsigned char irqsave;
185 KDBG_MASK_IRQ(irqsave);
187 while ((c = PGM_READ_CHAR(str++)))
190 KDBG_RESTORE_IRQ(irqsave);
194 int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char *file, int line)
196 PGM_FUNC(kputs)(file);
197 PGM_FUNC(kprintf)(PSTR(":%d: Assertion failed: \""), line);
198 PGM_FUNC(kputs)(cond);
199 PGM_FUNC(kputs)(PSTR("\"\n"));
204 int PGM_FUNC(__invalid_ptr)(void *value, const char * PGM_ATTR name, const char * PGM_ATTR file, int line)
206 PGM_FUNC(kputs)(file);
207 PGM_FUNC(kprintf)(PSTR(":%d: Invalid pointer: "), line);
208 PGM_FUNC(kputs)(name);
209 PGM_FUNC(kprintf)(PSTR(" = 0x%x\n"), value);
214 void __init_wall(long *wall, int size)
217 *wall++ = WALL_VALUE;
221 int __check_wall(long *wall, int size, const char *name, const char *file, int line)
225 for (i = 0; i < size; i++)
227 if (wall[i] != WALL_VALUE)
229 kprintf("%s:%d: Wall broken: %s[%d] (0x%p) = 0x%lx\n",
230 file, line, name, i, wall + i, wall[i]);
240 * Dump binary data in hex
242 void kdump(const void *_buf, size_t len)
244 const unsigned char *buf = (const unsigned char *)_buf;
247 kprintf("%02X", *buf++);