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 1.3 2004/06/03 11:27:09 bernie
20 * Add dual-license information.
22 * Revision 1.2 2004/05/23 18:21:53 bernie
23 * Trim CVS logs and cleanup header info.
31 #include <mware/formatwr.h> /* for _formatted_write() */
37 #define KDBG_WAIT_READY() do {/*nop*/} while(0)
38 #define KDBG_WRITE_CHAR(c) putchar((c))
39 #define KDBG_MASK_IRQ(old) do {/*nop*/} while(0)
40 #define KDBG_RESTORE_IRQ() do {/*nop*/} while(0)
41 #elif defined(__I196__)
43 #define KDBG_WAIT_READY() do {} while (!(SP_STAT & (SPSF_TX_EMPTY | SPSF_TX_INT)))
44 #define KDBG_WRITE_CHAR(c) do { SBUF = (c); } while(0)
45 #define KDBG_MASK_IRQ(old) \
47 (old) = INT_MASK1 & INT1F_TI; \
48 INT_MASK1 &= ~INT1F_TI; \
50 #define KDBG_RESTORE_IRQ(old) do { INT_MASK1 |= (old); }
51 #elif defined(__AVR__)
53 #if CONFIG_KDEBUG_PORT == 0
54 #ifndef __AVR_ATmega103__
59 #define KDBG_WAIT_READY() do { loop_until_bit_is_set(USR, UDRE); } while(0)
60 #define KDBG_WRITE_CHAR(c) do { UCR |= BV(TXEN); UDR = (c); } while(0)
61 #define KDBG_MASK_IRQ(old) do { (old) = UCR & BV(TXCIE); cbi(UCR, TXCIE); } while(0)
62 #define KDBG_RESTORE_IRQ(old) do { UCR |= (old); } while(0)
63 #elif CONFIG_KDEBUG_PORT == 1
64 #define KDBG_WAIT_READY() do { loop_until_bit_is_set(UCSR1A, UDRE); } while(0)
65 #define KDBG_WRITE_CHAR(c) do { UCSR1B |= BV(TXEN); UDR1 = (c); } while(0)
66 #define KDBG_MASK_IRQ(old) do { (old) = UCSR1B & BV(TXCIE); cbi(UCSR1B, TXCIE); } while(0)
67 #define KDBG_RESTORE_IRQ(old) do { UCSR1B |= (old); } while(0)
69 #error CONFIG_KDEBUG_PORT should be either 0 or 1
72 #error Unknown architecture
80 /* Set serial port for 19200bps 8N1 */
81 INT_MASK1 &= ~(INT1F_TI | INT1F_RI);
82 SP_CON = SPCF_RECEIVE_ENABLE | SPCF_MODE1;
83 ioc1_img |= IOC1F_TXD_SEL | IOC1F_EXTINT_SRC;
88 #elif defined(__AVR__)
90 /* Compute the baud rate */
91 uint16_t period = (((CLOCK_FREQ / 16UL) + (CONFIG_KDEBUG_BAUDRATE / 2)) / CONFIG_KDEBUG_BAUDRATE) - 1;
93 #ifdef __AVR_ATmega64__
94 #if CONFIG_KDEBUG_PORT == 0
96 /* Set the baud rate */
97 UBRR0H = (uint8_t)(period>>8);
98 UBRR0L = (uint8_t)period;
100 #elif CONFIG_KDEBUG_PORT == 1
102 UBRR1H = (uint8_t)(period>>8);
103 UBRR1L = (uint8_t)period;
106 #error CONFIG_KDEBUG_PORT should be either 0 or 1
108 #elif defined (__AVR_ATmega103__)
110 /* Set the baud rate */
111 UBRR = (uint8_t)period;
117 #endif /* !__I196__ && !__AVR__ */
119 kputs("\n\n*** DBG START ***\n");
124 * Output one character to the debug console
126 static void kputchar(char c, UNUSED(void *unused))
128 /* Poll while serial buffer is still busy */
131 /* Send '\n' as '\r\n' for dumb terminals */
134 KDBG_WRITE_CHAR('\r');
142 void PGM_FUNC(kprintf)(const char * PGM_ATTR fmt, ...)
146 /* Mask serial TX intr */
147 unsigned char irqsave;
148 KDBG_MASK_IRQ(irqsave);
151 PGM_FUNC(_formatted_write)(fmt, kputchar, 0, ap);
154 /* Restore serial TX intr */
155 KDBG_RESTORE_IRQ(irqsave);
159 void PGM_FUNC(kputs)(const char * PGM_ATTR str)
163 /* Mask serial TX intr */
164 unsigned char irqsave;
165 KDBG_MASK_IRQ(irqsave);
167 while ((c = PGM_READ_CHAR(str++)))
170 KDBG_RESTORE_IRQ(irqsave);
174 int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char *file, int line)
176 PGM_FUNC(kputs)(file);
177 PGM_FUNC(kprintf)(PSTR(":%d: Assertion failed: \""), line);
178 PGM_FUNC(kputs)(cond);
179 PGM_FUNC(kputs)(PSTR("\"\n"));
184 int PGM_FUNC(__invalid_ptr)(void *value, const char * PGM_ATTR name, const char * PGM_ATTR file, int line)
186 PGM_FUNC(kputs)(file);
187 PGM_FUNC(kprintf)(PSTR(":%d: Invalid pointer: "), line);
188 PGM_FUNC(kputs)(name);
189 PGM_FUNC(kprintf)(PSTR(" = 0x%x\n"), value);
194 void __init_wall(long *wall, int size)
197 *wall++ = WALL_VALUE;
201 int __check_wall(long *wall, int size, const char *name, const char *file, int line)
205 for (i = 0; i < size; i++)
207 if (wall[i] != WALL_VALUE)
209 kprintf("%s:%d: Wall broken: %s[%d] (0x%p) = %ld\n",
210 file, line, name, i, wall + i, wall[i]);
220 * Dump binary data in hex
222 void kdump(const void *_buf, size_t len)
224 const unsigned char *buf = (const unsigned char *)_buf;
227 kprintf("%02X", *buf++);