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>
24 #include <mware/formatwr.h> /* for _formatted_write() */
30 #define KDBG_WAIT_READY() do {/*nop*/} while(0)
31 #define KDBG_WRITE_CHAR(c) putchar((c))
32 #define KDBG_MASK_IRQ(old) do {/*nop*/} while(0)
33 #define KDBG_RESTORE_IRQ() do {/*nop*/} while(0)
34 #elif defined(__I196__)
36 #define KDBG_WAIT_READY() do {} while (!(SP_STAT & (SPSF_TX_EMPTY | SPSF_TX_INT)))
37 #define KDBG_WRITE_CHAR(c) do { SBUF = (c); } while(0)
38 #define KDBG_MASK_IRQ(old) \
40 (old) = INT_MASK1 & INT1F_TI; \
41 INT_MASK1 &= ~INT1F_TI; \
43 #define KDBG_RESTORE_IRQ(old) do { INT_MASK1 |= (old); }
44 #elif defined(__AVR__)
46 #if CONFIG_KDEBUG_PORT == 0
47 #ifndef __AVR_ATmega103__
52 #define KDBG_WAIT_READY() do { loop_until_bit_is_set(USR, UDRE); } while(0)
53 #define KDBG_WRITE_CHAR(c) do { UCR |= BV(TXEN); UDR = (c); } while(0)
54 #define KDBG_MASK_IRQ(old) do { (old) = UCR & BV(TXCIE); cbi(UCR, TXCIE); } while(0)
55 #define KDBG_RESTORE_IRQ(old) do { UCR |= (old); } while(0)
56 #elif CONFIG_KDEBUG_PORT == 1
57 #define KDBG_WAIT_READY() do { loop_until_bit_is_set(UCSR1A, UDRE); } while(0)
58 #define KDBG_WRITE_CHAR(c) do { UCSR1B |= BV(TXEN); UDR1 = (c); } while(0)
59 #define KDBG_MASK_IRQ(old) do { (old) = UCSR1B & BV(TXCIE); cbi(UCSR1B, TXCIE); } while(0)
60 #define KDBG_RESTORE_IRQ(old) do { UCSR1B |= (old); } while(0)
62 #error CONFIG_KDEBUG_PORT should be either 0 or 1
65 #error Unknown architecture
73 /* Set serial port for 19200bps 8N1 */
74 INT_MASK1 &= ~(INT1F_TI | INT1F_RI);
75 SP_CON = SPCF_RECEIVE_ENABLE | SPCF_MODE1;
76 ioc1_img |= IOC1F_TXD_SEL | IOC1F_EXTINT_SRC;
81 #elif defined(__AVR__)
83 /* Compute the baud rate */
84 uint16_t period = (((CLOCK_FREQ / 16UL) + (CONFIG_KDEBUG_BAUDRATE / 2)) / CONFIG_KDEBUG_BAUDRATE) - 1;
86 #ifdef __AVR_ATmega64__
87 #if CONFIG_KDEBUG_PORT == 0
89 /* Set the baud rate */
90 UBRR0H = (uint8_t)(period>>8);
91 UBRR0L = (uint8_t)period;
93 #elif CONFIG_KDEBUG_PORT == 1
95 UBRR1H = (uint8_t)(period>>8);
96 UBRR1L = (uint8_t)period;
99 #error CONFIG_KDEBUG_PORT should be either 0 or 1
101 #elif defined (__AVR_ATmega103__)
103 /* Set the baud rate */
104 UBRR = (uint8_t)period;
110 #endif /* !__I196__ && !__AVR__ */
112 kputs("\n\n*** DBG START ***\n");
117 * Output one character to the debug console
119 static void kputchar(char c, UNUSED(void *unused))
121 /* Poll while serial buffer is still busy */
124 /* Send '\n' as '\r\n' for dumb terminals */
127 KDBG_WRITE_CHAR('\r');
135 void PGM_FUNC(kprintf)(const char * PGM_ATTR fmt, ...)
139 /* Mask serial TX intr */
140 unsigned char irqsave;
141 KDBG_MASK_IRQ(irqsave);
144 PGM_FUNC(_formatted_write)(fmt, kputchar, 0, ap);
147 /* Restore serial TX intr */
148 KDBG_RESTORE_IRQ(irqsave);
152 void PGM_FUNC(kputs)(const char * PGM_ATTR str)
156 /* Mask serial TX intr */
157 unsigned char irqsave;
158 KDBG_MASK_IRQ(irqsave);
160 while ((c = PGM_READ_CHAR(str++)))
163 KDBG_RESTORE_IRQ(irqsave);
167 int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char *file, int line)
169 PGM_FUNC(kputs)(file);
170 PGM_FUNC(kprintf)(PSTR(":%d: Assertion failed: \""), line);
171 PGM_FUNC(kputs)(cond);
172 PGM_FUNC(kputs)(PSTR("\"\n"));
177 int PGM_FUNC(__invalid_ptr)(void *value, const char * PGM_ATTR name, const char * PGM_ATTR file, int line)
179 PGM_FUNC(kputs)(file);
180 PGM_FUNC(kprintf)(PSTR(":%d: Invalid pointer: "), line);
181 PGM_FUNC(kputs)(name);
182 PGM_FUNC(kprintf)(PSTR(" = 0x%x\n"), value);
187 void __init_wall(long *wall, int size)
190 *wall++ = WALL_VALUE;
194 int __check_wall(long *wall, int size, const char *name, const char *file, int line)
198 for (i = 0; i < size; i++)
200 if (wall[i] != WALL_VALUE)
202 kprintf("%s:%d: Wall broken: %s[%d] (0x%p) = %ld\n",
203 file, line, name, i, wall + i, wall[i]);
213 * Dump binary data in hex
215 void kdump(const void *_buf, size_t len)
217 const unsigned char *buf = (const unsigned char *)_buf;
220 kprintf("%02X", *buf++);