4 * Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
5 * Copyright 2000,2001,2002 Bernardo Innocenti <bernie@codewiz.org>
9 * \brief General pourpose debug functions.
13 * \author Bernardo Innocenti <bernie@develer.com>
14 * \author Stefano Fedrigo <aleph@develer.com>
19 * Revision 1.2 2004/05/23 18:21:53 bernie
20 * Trim CVS logs and cleanup header info.
28 #include <mware/formatwr.h> /* for _formatted_write() */
34 #define KDBG_WAIT_READY() do {/*nop*/} while(0)
35 #define KDBG_WRITE_CHAR(c) putchar((c))
36 #define KDBG_MASK_IRQ(old) do {/*nop*/} while(0)
37 #define KDBG_RESTORE_IRQ() do {/*nop*/} while(0)
38 #elif defined(__I196__)
40 #define KDBG_WAIT_READY() do {} while (!(SP_STAT & (SPSF_TX_EMPTY | SPSF_TX_INT)))
41 #define KDBG_WRITE_CHAR(c) do { SBUF = (c); } while(0)
42 #define KDBG_MASK_IRQ(old) \
44 (old) = INT_MASK1 & INT1F_TI; \
45 INT_MASK1 &= ~INT1F_TI; \
47 #define KDBG_RESTORE_IRQ(old) do { INT_MASK1 |= (old); }
48 #elif defined(__AVR__)
50 #if CONFIG_KDEBUG_PORT == 0
51 #ifndef __AVR_ATmega103__
56 #define KDBG_WAIT_READY() do { loop_until_bit_is_set(USR, UDRE); } while(0)
57 #define KDBG_WRITE_CHAR(c) do { UCR |= BV(TXEN); UDR = (c); } while(0)
58 #define KDBG_MASK_IRQ(old) do { (old) = UCR & BV(TXCIE); cbi(UCR, TXCIE); } while(0)
59 #define KDBG_RESTORE_IRQ(old) do { UCR |= (old); } while(0)
60 #elif CONFIG_KDEBUG_PORT == 1
61 #define KDBG_WAIT_READY() do { loop_until_bit_is_set(UCSR1A, UDRE); } while(0)
62 #define KDBG_WRITE_CHAR(c) do { UCSR1B |= BV(TXEN); UDR1 = (c); } while(0)
63 #define KDBG_MASK_IRQ(old) do { (old) = UCSR1B & BV(TXCIE); cbi(UCSR1B, TXCIE); } while(0)
64 #define KDBG_RESTORE_IRQ(old) do { UCSR1B |= (old); } while(0)
66 #error CONFIG_KDEBUG_PORT should be either 0 or 1
69 #error Unknown architecture
77 /* Set serial port for 19200bps 8N1 */
78 INT_MASK1 &= ~(INT1F_TI | INT1F_RI);
79 SP_CON = SPCF_RECEIVE_ENABLE | SPCF_MODE1;
80 ioc1_img |= IOC1F_TXD_SEL | IOC1F_EXTINT_SRC;
85 #elif defined(__AVR__)
87 /* Compute the baud rate */
88 uint16_t period = (((CLOCK_FREQ / 16UL) + (CONFIG_KDEBUG_BAUDRATE / 2)) / CONFIG_KDEBUG_BAUDRATE) - 1;
90 #ifdef __AVR_ATmega64__
91 #if CONFIG_KDEBUG_PORT == 0
93 /* Set the baud rate */
94 UBRR0H = (uint8_t)(period>>8);
95 UBRR0L = (uint8_t)period;
97 #elif CONFIG_KDEBUG_PORT == 1
99 UBRR1H = (uint8_t)(period>>8);
100 UBRR1L = (uint8_t)period;
103 #error CONFIG_KDEBUG_PORT should be either 0 or 1
105 #elif defined (__AVR_ATmega103__)
107 /* Set the baud rate */
108 UBRR = (uint8_t)period;
114 #endif /* !__I196__ && !__AVR__ */
116 kputs("\n\n*** DBG START ***\n");
121 * Output one character to the debug console
123 static void kputchar(char c, UNUSED(void *unused))
125 /* Poll while serial buffer is still busy */
128 /* Send '\n' as '\r\n' for dumb terminals */
131 KDBG_WRITE_CHAR('\r');
139 void PGM_FUNC(kprintf)(const char * PGM_ATTR fmt, ...)
143 /* Mask serial TX intr */
144 unsigned char irqsave;
145 KDBG_MASK_IRQ(irqsave);
148 PGM_FUNC(_formatted_write)(fmt, kputchar, 0, ap);
151 /* Restore serial TX intr */
152 KDBG_RESTORE_IRQ(irqsave);
156 void PGM_FUNC(kputs)(const char * PGM_ATTR str)
160 /* Mask serial TX intr */
161 unsigned char irqsave;
162 KDBG_MASK_IRQ(irqsave);
164 while ((c = PGM_READ_CHAR(str++)))
167 KDBG_RESTORE_IRQ(irqsave);
171 int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char *file, int line)
173 PGM_FUNC(kputs)(file);
174 PGM_FUNC(kprintf)(PSTR(":%d: Assertion failed: \""), line);
175 PGM_FUNC(kputs)(cond);
176 PGM_FUNC(kputs)(PSTR("\"\n"));
181 int PGM_FUNC(__invalid_ptr)(void *value, const char * PGM_ATTR name, const char * PGM_ATTR file, int line)
183 PGM_FUNC(kputs)(file);
184 PGM_FUNC(kprintf)(PSTR(":%d: Invalid pointer: "), line);
185 PGM_FUNC(kputs)(name);
186 PGM_FUNC(kprintf)(PSTR(" = 0x%x\n"), value);
191 void __init_wall(long *wall, int size)
194 *wall++ = WALL_VALUE;
198 int __check_wall(long *wall, int size, const char *name, const char *file, int line)
202 for (i = 0; i < size; i++)
204 if (wall[i] != WALL_VALUE)
206 kprintf("%s:%d: Wall broken: %s[%d] (0x%p) = %ld\n",
207 file, line, name, i, wall + i, wall[i]);
217 * Dump binary data in hex
219 void kdump(const void *_buf, size_t len)
221 const unsigned char *buf = (const unsigned char *)_buf;
224 kprintf("%02X", *buf++);