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 1.4 2004/06/06 18:09:51 bernie
20 * Import DSP56800 changes; Print broken wall bricks in hex.
22 * Revision 1.3 2004/06/03 11:27:09 bernie
23 * Add dual-license information.
25 * Revision 1.2 2004/05/23 18:21:53 bernie
26 * Trim CVS logs and cleanup header info.
34 #include <mware/formatwr.h> /* for _formatted_write() */
40 #define KDBG_WAIT_READY() do {/*nop*/} while(0)
41 #define KDBG_WRITE_CHAR(c) putchar((c))
42 #define KDBG_MASK_IRQ(old) do {/*nop*/} while(0)
43 #define KDBG_RESTORE_IRQ() do {/*nop*/} while(0)
44 #elif defined(__I196__)
46 #define KDBG_WAIT_READY() do {} while (!(SP_STAT & (SPSF_TX_EMPTY | SPSF_TX_INT)))
47 #define KDBG_WRITE_CHAR(c) do { SBUF = (c); } while(0)
48 #define KDBG_MASK_IRQ(old) \
50 (old) = INT_MASK1 & INT1F_TI; \
51 INT_MASK1 &= ~INT1F_TI; \
53 #define KDBG_RESTORE_IRQ(old) do { INT_MASK1 |= (old); }
54 #elif defined(__AVR__)
56 #if CONFIG_KDEBUG_PORT == 0
57 #ifndef __AVR_ATmega103__
62 #define KDBG_WAIT_READY() do { loop_until_bit_is_set(USR, UDRE); } while(0)
63 #define KDBG_WRITE_CHAR(c) do { UCR |= BV(TXEN); UDR = (c); } while(0)
64 #define KDBG_MASK_IRQ(old) do { (old) = UCR & BV(TXCIE); cbi(UCR, TXCIE); } while(0)
65 #define KDBG_RESTORE_IRQ(old) do { UCR |= (old); } while(0)
66 #elif CONFIG_KDEBUG_PORT == 1
67 #define KDBG_WAIT_READY() do { loop_until_bit_is_set(UCSR1A, UDRE); } while(0)
68 #define KDBG_WRITE_CHAR(c) do { UCSR1B |= BV(TXEN); UDR1 = (c); } while(0)
69 #define KDBG_MASK_IRQ(old) do { (old) = UCSR1B & BV(TXCIE); cbi(UCSR1B, TXCIE); } while(0)
70 #define KDBG_RESTORE_IRQ(old) do { UCSR1B |= (old); } while(0)
72 #error CONFIG_KDEBUG_PORT should be either 0 or 1
74 #elif defined(__MWERKS__) && (defined(__m56800E__) || defined(__m56800__))
75 /* Debugging go through the JTAG interface. The MSL library already
76 implements the console I/O correctly. */
78 #define KDBG_WAIT_READY()
79 #define KDBG_WRITE_CHAR(c) do { char ch=c; fwrite(&ch,1,1,stdout); } while (0)
80 #define KDBG_MASK_IRQ(old)
81 #define KDBG_RESTORE_IRQ(old)
83 #error Unknown architecture
91 /* Set serial port for 19200bps 8N1 */
92 INT_MASK1 &= ~(INT1F_TI | INT1F_RI);
93 SP_CON = SPCF_RECEIVE_ENABLE | SPCF_MODE1;
94 ioc1_img |= IOC1F_TXD_SEL | IOC1F_EXTINT_SRC;
99 #elif defined(__AVR__)
101 /* Compute the baud rate */
102 uint16_t period = (((CLOCK_FREQ / 16UL) + (CONFIG_KDEBUG_BAUDRATE / 2)) / CONFIG_KDEBUG_BAUDRATE) - 1;
104 #ifdef __AVR_ATmega64__
105 #if CONFIG_KDEBUG_PORT == 0
107 /* Set the baud rate */
108 UBRR0H = (uint8_t)(period>>8);
109 UBRR0L = (uint8_t)period;
111 #elif CONFIG_KDEBUG_PORT == 1
113 UBRR1H = (uint8_t)(period>>8);
114 UBRR1L = (uint8_t)period;
117 #error CONFIG_KDEBUG_PORT should be either 0 or 1
119 #elif defined (__AVR_ATmega103__)
121 /* Set the baud rate */
122 UBRR = (uint8_t)period;
128 #endif /* !__I196__ && !__AVR__ */
130 kputs("\n\n*** DBG START ***\n");
135 * Output one character to the debug console
137 static void kputchar(char c, UNUSED(void *unused))
139 /* Poll while serial buffer is still busy */
142 /* Send '\n' as '\r\n' for dumb terminals */
145 KDBG_WRITE_CHAR('\r');
153 void PGM_FUNC(kprintf)(const char * PGM_ATTR fmt, ...)
157 /* Mask serial TX intr */
158 unsigned char irqsave;
159 KDBG_MASK_IRQ(irqsave);
162 PGM_FUNC(_formatted_write)(fmt, kputchar, 0, ap);
165 /* Restore serial TX intr */
166 KDBG_RESTORE_IRQ(irqsave);
170 void PGM_FUNC(kputs)(const char * PGM_ATTR str)
174 /* Mask serial TX intr */
175 unsigned char irqsave;
176 KDBG_MASK_IRQ(irqsave);
178 while ((c = PGM_READ_CHAR(str++)))
181 KDBG_RESTORE_IRQ(irqsave);
185 int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char *file, int line)
187 PGM_FUNC(kputs)(file);
188 PGM_FUNC(kprintf)(PSTR(":%d: Assertion failed: \""), line);
189 PGM_FUNC(kputs)(cond);
190 PGM_FUNC(kputs)(PSTR("\"\n"));
195 int PGM_FUNC(__invalid_ptr)(void *value, const char * PGM_ATTR name, const char * PGM_ATTR file, int line)
197 PGM_FUNC(kputs)(file);
198 PGM_FUNC(kprintf)(PSTR(":%d: Invalid pointer: "), line);
199 PGM_FUNC(kputs)(name);
200 PGM_FUNC(kprintf)(PSTR(" = 0x%x\n"), value);
205 void __init_wall(long *wall, int size)
208 *wall++ = WALL_VALUE;
212 int __check_wall(long *wall, int size, const char *name, const char *file, int line)
216 for (i = 0; i < size; i++)
218 if (wall[i] != WALL_VALUE)
220 kprintf("%s:%d: Wall broken: %s[%d] (0x%p) = 0x%lx\n",
221 file, line, name, i, wall + i, wall[i]);
231 * Dump binary data in hex
233 void kdump(const void *_buf, size_t len)
235 const unsigned char *buf = (const unsigned char *)_buf;
238 kprintf("%02X", *buf++);