]>
cloudbase.mooo.com Git - z180-stamp.git/blob - avr/debug.c
5 #include <avr/eeprom.h>
8 #include "print-utils.h"
20 extern unsigned int __brkval
;
22 dump_ram(__malloc_heap_start
,
23 __brkval
- (unsigned int) __malloc_heap_start
,
33 command_ret_t
do_dump_mem(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
35 void (*readhow
)(uint8_t *buf
, uint32_t addr
, uint8_t count
);
37 (void) cmdtp
; (void) flag
;
43 uint32_t length
= 128;
45 if (strchr(argv
[0],'r') != NULL
)
46 readhow
= ram_read_buf
;
47 else if (strchr(argv
[0],'e') != NULL
)
48 readhow
= eeprom_read_buf
;
52 /* Address is specified since argc > 1 */
53 addr
= strtoul(argv
[1], NULL
, 16);
55 /* If another parameter, it is the length to display. */
57 length
= (uint16_t) strtoul(argv
[2], NULL
, 16);
59 /* Print the lines. */
60 dump_mem(addr
, addr
, length
, readhow
, NULL
);
62 return CMD_RET_SUCCESS
;
65 command_ret_t
do_eep_cp(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
67 uint16_t src
, dest
, count
;
76 src
= (size_t) strtoul(argv
[1], NULL
, 16);
77 dest
= (size_t) strtoul(argv
[2], NULL
, 16);
78 count
= (size_t) strtoul(argv
[3], NULL
, 16);
81 debug("src > EEPROM size: 0x%04x\n", src
);
82 return CMD_RET_FAILURE
;
85 debug("dest > EEPROM size: 0x%04x\n", dest
);
86 return CMD_RET_FAILURE
;
88 if (count
> E2END
+1) {
89 debug("count > EEPROM size: 0x%04x\n", count
);
90 return CMD_RET_FAILURE
;
93 debug("Zero length?\n");
94 return CMD_RET_FAILURE
;
104 while (count
-- > 0) {
106 data
= eeprom_read_byte((uint8_t *) src
);
107 eeprom_write_byte((uint8_t *) dest
, data
);
112 return CMD_RET_SUCCESS
;
116 /*------------------------------------------------------------------------------*/
118 command_ret_t
do_testarg(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
120 my_puts_P(cmdtp
->name
);
121 printf_P(PSTR("\n%s\n"), argv
[0]);
123 return CMD_RET_SUCCESS
;
126 /*------------------------------------------------------------------------------*/
133 struct __freelist
*nx
;
136 extern char *__brkval
; /* first location not yet allocated */
137 extern struct __freelist
*__flp
; /* freelist pointer (head of freelist) */
139 #define STACK_POINTER() ((char *)AVR_STACK_POINTER_REG)
142 printfreelist(const char * title
)
144 struct __freelist
*fp1
;
146 unsigned int freesum
= 0;
151 printf("%s no free list\n", title
? title
: "");
153 printf("Free list: %s\n", title
? title
: "");
154 for (i
= 0, fp1
= __flp
; fp1
; i
++, fp1
= fp1
->nx
) {
155 printf(" entry %d @ %04x: size %4u, next ",
156 i
, (size_t)fp1
, fp1
->sz
);
158 printf("%04x\n", (size_t)fp1
->nx
);
165 freesum
+= (size_t) STACK_POINTER() - __malloc_margin
- (size_t) __brkval
;
167 printf("SP: %04x, __brkval: %04x, Total free: %04u\n",
168 (size_t) STACK_POINTER(), (size_t) __brkval
, freesum
);