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avrdude
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Add support for read with ... "operator" 

This means that you can use ... to read the "rest" of the memory.
$ read eeprom ...   will dump the entire memory
$ read eeorm 0x80 ...   will dump the memory from address 0x80 to the end address
This commit is contained in:
MCUdude 2022-02-28 22:40:17 +01:00
parent d89f695c31
commit b688b1f601
1 changed files with 62 additions and 63 deletions
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125
src/term.c
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@ -149,12 +149,10 @@ static int nexttok(char * buf, char ** tok, char ** next)
static int hexdump_line(char * buffer, unsigned char * p, int n, int pad)
{
char * hexdata = "0123456789abcdef";
char * b;
int i, j;
char * b = buffer;
int32_t i = 0;
int32_t j = 0;
b = buffer;
j = 0;
for (i=0; i<n; i++) {
if (i && ((i % 8) == 0))
b[j++] = ' ';
@ -183,7 +181,7 @@ static int chardump_line(char * buffer, unsigned char * p, int n, int pad)
int i;
char b [ 128 ];
for (i=0; i<n; i++) {
for (int32_t i = 0; i < n; i++) {
memcpy(b, p, n);
buffer[i] = '.';
if (isalpha((int)(b[i])) || isdigit((int)(b[i])) || ispunct((int)(b[i])))
@ -192,7 +190,7 @@ static int chardump_line(char * buffer, unsigned char * p, int n, int pad)
buffer[i] = ' ';
}
for (i=n; i<pad; i++)
for (i = n; i < pad; i++)
buffer[i] = ' ';
buffer[i] = 0;
@ -203,16 +201,13 @@ static int chardump_line(char * buffer, unsigned char * p, int n, int pad)
static int hexdump_buf(FILE * f, int startaddr, unsigned char * buf, int len)
{
int addr;
int n;
unsigned char * p;
char dst1[80];
char dst2[80];
addr = startaddr;
p = (unsigned char *)buf;
int32_t addr = startaddr;
unsigned char * p = (unsigned char *)buf;
while (len) {
n = 16;
int32_t n = 16;
if (n > len)
n = len;
hexdump_line(dst1, p, n, 48);
@ -230,83 +225,88 @@ static int hexdump_buf(FILE * f, int startaddr, unsigned char * buf, int len)
static int cmd_dump(PROGRAMMER * pgm, struct avrpart * p,
int argc, char * argv[])
{
static char prevmem[128] = {0};
char * e;
unsigned char * buf;
int maxsize;
unsigned long i;
static unsigned long addr=0;
static int len=64;
AVRMEM * mem;
char * memtype = NULL;
int rc;
if (!((argc == 2) || (argc == 4))) {
avrdude_message(MSG_INFO, "Usage: dump <memtype> [<addr> <len>]\n");
return -1;
if (argc < 2) {
avrdude_message(MSG_INFO, "Usage: %s <memtype> [<start addr> <len>]\n"
" %s <memtype> [<start addr> <...>]\n"
" %s <memtype> <...>\n"
" %s <memtype>\n",
argv[0], argv[0], argv[0], argv[0]);
return -1;
}
memtype = argv[1];
if (strncmp(prevmem, memtype, strlen(memtype)) != 0) {
addr = 0;
len = 256;
strncpy(prevmem, memtype, sizeof(prevmem)-1);
prevmem[sizeof(prevmem)-1] = 0;
}
mem = avr_locate_mem(p, memtype);
enum { read_size = 256 };
static char prevmem[128] = {0x00};
char * memtype = argv[1];
AVRMEM * mem = avr_locate_mem(p, memtype);
if (mem == NULL) {
avrdude_message(MSG_INFO, "\"%s\" memory type not defined for part \"%s\"\n",
memtype, p->desc);
return -1;
}
uint32_t maxsize = mem->size;
// Get start address if present
char * end_ptr;
static uint32_t addr = 0;
if (argc == 4) {
addr = strtoul(argv[2], &e, 0);
if (*e || (e == argv[2])) {
avrdude_message(MSG_INFO, "%s (dump): can't parse address \"%s\"\n",
progname, argv[2]);
addr = strtoul(argv[2], &end_ptr, 0);
if (*end_ptr || (end_ptr == argv[2])) {
avrdude_message(MSG_INFO, "%s (%s): can't parse address \"%s\"\n",
progname, argv[0], argv[2]);
return -1;
}
len = strtol(argv[3], &e, 0);
if (*e || (e == argv[3])) {
avrdude_message(MSG_INFO, "%s (dump): can't parse length \"%s\"\n",
progname, argv[3]);
} else if (addr >= maxsize) {
avrdude_message(MSG_INFO, "%s (%s): address 0x%05lx is out of range for %s memory\n",
progname, argv[0], addr, mem->desc);
return -1;
}
}
maxsize = mem->size;
if (addr >= maxsize) {
if (argc == 2) {
/* wrap around */
// Get no. bytes to read if present
static int32_t len = read_size;
if (argc >= 3) {
memset(prevmem, 0x00, sizeof(prevmem));
if (strcmp(argv[argc - 1], "...") == 0) {
if (argc == 3)
addr = 0;
len = maxsize - addr;
} else if (argc == 4) {
len = strtol(argv[3], &end_ptr, 0);
if (*end_ptr || (end_ptr == argv[3])) {
avrdude_message(MSG_INFO, "%s (%s): can't parse length \"%s\"\n",
progname, argv[0], argv[3]);
return -1;
}
} else {
len = read_size;
}
}
// No address or length specified
else if (argc == 2) {
if (strncmp(prevmem, memtype, strlen(memtype)) != 0) {
addr = 0;
len = read_size;
strncpy(prevmem, memtype, sizeof(prevmem) - 1);
prevmem[sizeof(prevmem) - 1] = 0;
}
else {
avrdude_message(MSG_INFO, "%s (dump): address 0x%05lx is out of range for %s memory\n",
progname, addr, mem->desc);
return -1;
}
if (addr >= maxsize)
addr = 0; // Wrap around
}
/* trim len if nessary to not read past the end of memory */
// Trim len if nessary to not read past the end of memory
if ((addr + len) > maxsize)
len = maxsize - addr;
buf = malloc(len);
uint8_t * buf = malloc(len);
if (buf == NULL) {
avrdude_message(MSG_INFO, "%s (dump): out of memory\n", progname);
return -1;
}
for (i=0; i<len; i++) {
rc = pgm->read_byte(pgm, p, mem, addr+i, &buf[i]);
for (uint32_t i = 0; i < len; i++) {
int32_t rc = pgm->read_byte(pgm, p, mem, addr + i, &buf[i]);
if (rc != 0) {
avrdude_message(MSG_INFO, "error reading %s address 0x%05lx of part %s\n",
mem->desc, addr+i, p->desc);
mem->desc, addr + i, p->desc);
if (rc == -1)
avrdude_message(MSG_INFO, "read operation not supported on memory type \"%s\"\n",
mem->desc);
@ -315,7 +315,6 @@ static int cmd_dump(PROGRAMMER * pgm, struct avrpart * p,
}
hexdump_buf(stdout, addr, buf, len);
fprintf(stdout, "\n");
free(buf);