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1 | #include "common.h" | |
2 | #include <stdlib.h> | |
3 | #include <string.h> | |
4 | #include <ctype.h> | |
5 | #include <avr/eeprom.h> | |
6 | ||
7 | #include "command.h" | |
8 | #include "print-utils.h" | |
9 | #include "debug.h" | |
10 | /* | |
11 | * Debugging | |
12 | */ | |
13 | ||
14 | #ifdef DEBUG | |
15 | ||
16 | ||
17 | #if 0 | |
18 | void dump_heap(void) | |
19 | { | |
20 | extern unsigned int __brkval; | |
21 | ||
22 | dump_ram(__malloc_heap_start, | |
23 | __brkval - (unsigned int) __malloc_heap_start, | |
24 | "=== Heap:"); | |
25 | } | |
26 | #endif | |
27 | ||
28 | ||
29 | /* | |
30 | * Memory Display | |
31 | * md addr {len} | |
32 | */ | |
33 | command_ret_t do_dump_mem(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
34 | { | |
35 | void (*readhow)(uint8_t *buf, uint32_t addr, uint8_t count); | |
36 | ||
37 | (void) cmdtp; (void) flag; | |
38 | ||
39 | if (argc < 2) | |
40 | return CMD_RET_USAGE; | |
41 | ||
42 | uint32_t addr; | |
43 | uint32_t length = 128; | |
44 | ||
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; | |
49 | else | |
50 | return CMD_RET_USAGE; | |
51 | ||
52 | /* Address is specified since argc > 1 */ | |
53 | addr = strtoul(argv[1], NULL, 16); | |
54 | ||
55 | /* If another parameter, it is the length to display. */ | |
56 | if (argc > 2) | |
57 | length = (uint16_t) strtoul(argv[2], NULL, 16); | |
58 | ||
59 | /* Print the lines. */ | |
60 | dump_mem(addr, addr, length, readhow, NULL); | |
61 | ||
62 | return CMD_RET_SUCCESS; | |
63 | } | |
64 | ||
65 | command_ret_t do_eep_cp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
66 | { | |
67 | uint16_t src, dest, count; | |
68 | int_fast8_t step; | |
69 | ||
70 | (void) cmdtp; | |
71 | (void) flag; | |
72 | ||
73 | if (argc != 4) | |
74 | return CMD_RET_USAGE; | |
75 | ||
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); | |
79 | ||
80 | if (src > E2END) { | |
81 | debug("src > EEPROM size: 0x%04x\n", src); | |
82 | return CMD_RET_FAILURE; | |
83 | } | |
84 | if (dest > E2END) { | |
85 | debug("dest > EEPROM size: 0x%04x\n", dest); | |
86 | return CMD_RET_FAILURE; | |
87 | } | |
88 | if (count > E2END+1) { | |
89 | debug("count > EEPROM size: 0x%04x\n", count); | |
90 | return CMD_RET_FAILURE; | |
91 | } | |
92 | if (count == 0) { | |
93 | debug("Zero length?\n"); | |
94 | return CMD_RET_FAILURE; | |
95 | } | |
96 | ||
97 | if (dest > src) { | |
98 | src += count - 1; | |
99 | dest += count - 1; | |
100 | step = -1; | |
101 | } else | |
102 | step = 1; | |
103 | ||
104 | while (count-- > 0) { | |
105 | uint8_t data; | |
106 | data = eeprom_read_byte((uint8_t *) src); | |
107 | eeprom_write_byte((uint8_t *) dest, data); | |
108 | src += step; | |
109 | dest += step; | |
110 | ||
111 | } | |
112 | return CMD_RET_SUCCESS; | |
113 | } | |
114 | ||
115 | ||
116 | /*------------------------------------------------------------------------------*/ | |
117 | ||
118 | command_ret_t do_testarg(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
119 | { | |
120 | my_puts_P(cmdtp->name); | |
121 | printf_P(PSTR("\n%s\n"), argv[0]); | |
122 | ||
123 | return CMD_RET_SUCCESS; | |
124 | } | |
125 | ||
126 | /*------------------------------------------------------------------------------*/ | |
127 | ||
128 | ||
129 | #if 1 | |
130 | ||
131 | struct __freelist { | |
132 | size_t sz; | |
133 | struct __freelist *nx; | |
134 | }; | |
135 | ||
136 | extern char *__brkval; /* first location not yet allocated */ | |
137 | extern struct __freelist *__flp; /* freelist pointer (head of freelist) */ | |
138 | ||
139 | #define STACK_POINTER() ((char *)AVR_STACK_POINTER_REG) | |
140 | ||
141 | void | |
142 | printfreelist(const char * title) | |
143 | { | |
144 | struct __freelist *fp1; | |
145 | int i; | |
146 | unsigned int freesum = 0; | |
147 | ||
148 | /* TODO: printf_P */ | |
149 | ||
150 | if (!__flp) { | |
151 | printf("%s no free list\n", title ? title : ""); | |
152 | } else { | |
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); | |
157 | if (fp1->nx) | |
158 | printf("%04x\n", (size_t)fp1->nx); | |
159 | else | |
160 | printf("NULL\n"); | |
161 | freesum += fp1->sz; | |
162 | } | |
163 | } | |
164 | ||
165 | freesum += (size_t) STACK_POINTER() - __malloc_margin - (size_t) __brkval; | |
166 | ||
167 | printf("SP: %04x, __brkval: %04x, Total free: %04u\n", | |
168 | (size_t) STACK_POINTER(), (size_t) __brkval, freesum); | |
169 | } | |
170 | ||
171 | #endif | |
172 | ||
173 | #endif /* DEBUG */ |