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Add support for 64-bit integers 

Also, move everything data related into a struct, to keep tings a little more organized
This commit is contained in:
MCUdude 2022-02-19 23:34:50 +01:00
parent 4b9219edee
commit 0e29b43bd0
1 changed files with 55 additions and 35 deletions
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84
src/term.c
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@ -332,7 +332,8 @@ static int cmd_write(PROGRAMMER * pgm, struct avrpart * p,
char * e;
int len, maxsize;
char * memtype;
unsigned long addr, i;
long addr;
long i;
unsigned char * buf;
unsigned char b;
int rc;
@ -345,7 +346,7 @@ static int cmd_write(PROGRAMMER * pgm, struct avrpart * p,
"Usage: write <memtype> <start addr> <data1> <data2> <dataN>\n"
" write <memtype> <start addr> <no. bytes> <data1> <dataN> <...>\n\n"
" Add a suffix to manually specify the size for each field:\n"
" H/h/S/s: 16-bit, L/l: 32-bit, F/f: 32-bit float\n");
" H/h/S/s: 16-bit, L/l: 32-bit, LL/ll: 6-bit, F/f: 32-bit float\n");
return -1;
}
@ -403,43 +404,55 @@ static int cmd_write(PROGRAMMER * pgm, struct avrpart * p,
return -1;
}
// Union to represent the data to write to memory
union Data {
// Structure related to data that is being written to memory
struct Data {
// Data info
int32_t bytes_grown;
uint8_t size;
bool is_float;
// Data union
union {
float f;
int32_t i;
uint8_t a[4];
int64_t ll;
uint8_t a[8];
};
} data;
int32_t bytes_grown = 0;
for (i = start_offset; i < len + start_offset - bytes_grown; i++) {
bool is_float = false;
uint8_t data_length = 0;
for (i = start_offset; i < len + start_offset - data.bytes_grown; i++) {
data.is_float = false;
data.size = 0;
// Handle the next argument
if (i < argc - start_offset + 3) {
// Get suffix if present
char suffix = argv[i][strlen(argv[i]) - 1];
if ((suffix == 'F' || suffix == 'f' || suffix == 'L' || suffix == 'l') && \
strncmp(argv[i], "0x", 2) != 0) {
char lsuffix = argv[i][strlen(argv[i]) - 2];
if ((suffix == 'L' && lsuffix == 'L') || (suffix == 'l' && lsuffix == 'l')) {
argv[i][strlen(argv[i]) - 2] = '\0';
data.size = 8;
} else if (suffix == 'L' || suffix == 'l') {
argv[i][strlen(argv[i]) - 1] = '\0';
data_length = 4;
data.size = 4;
} else if ((suffix == 'F' || suffix == 'f') && strncmp(argv[i], "0x", 2) != 0) {
argv[i][strlen(argv[i]) - 1] = '\0';
data.size = 4;
} else if (suffix == 'H' || suffix == 'h' || suffix == 'S' || suffix == 's') {
argv[i][strlen(argv[i]) - 1] = '\0';
data_length = 2;
data.size = 2;
} else if (suffix == '\'') {
data_length = 1;
data.size = 1;
}
// Try integers
data.i = strtol(argv[i], &e, 0);
data.ll = strtoll(argv[i], &e, 0);
if (*e || (e == argv[i])) {
// Try float
data.f = strtof(argv[i], &e);
is_float = true;
data.is_float = true;
if (*e || (e == argv[i])) {
is_float = false;
data.is_float = false;
// Try single character
if (argv[i][0] == '\'') {
data.i = argv[i][1];
data.ll = argv[i][1];
} else {
avrdude_message(MSG_INFO, "\n%s (write): can't parse data \"%s\"\n",
progname, argv[i]);
@ -449,30 +462,37 @@ static int cmd_write(PROGRAMMER * pgm, struct avrpart * p,
}
}
// Print warning if data size might be ambiguous
if(!data_length && \
if(!data.size && \
(((strncmp(argv[i], "0x", 2) == 0) && strlen(argv[i]) > 3) || \
(data.i > 0xFF && strlen(argv[i]) > 2))) {
(data.ll > 0xFF && strlen(argv[i]) > 2))) {
avrdude_message(MSG_INFO, "Warning: no size suffix specified for \"%s\". "
"Writing %d bytes\n",
argv[i],
is_float || labs(data.i) > 0xFFFF ? 4 : \
labs(data.i) > 0x00FF ? 2 : 1);
llabs(data.ll) > 0xFFFFFFFF ? 8 :
llabs(data.ll) > 0x0000FFFF || data.is_float ? 4 : \
llabs(data.ll) > 0x000000FF ? 2 : 1);
}
}
buf[i - start_offset + bytes_grown] = data.a[0];
if (is_float || labs(data.i) > 0x00FF || data_length >= 2)
buf[i - start_offset + ++bytes_grown] = data.a[1];
if (is_float || labs(data.i) > 0xFFFF || data_length >= 4) {
buf[i - start_offset + ++bytes_grown] = data.a[2];
buf[i - start_offset + ++bytes_grown] = data.a[3];
buf[i - start_offset + data.bytes_grown] = data.a[0];
if (llabs(data.ll) > 0x000000FF || data.size >= 2 || data.is_float)
buf[i - start_offset + ++data.bytes_grown] = data.a[1];
if (llabs(data.ll) > 0x0000FFFF || data.size >= 4 || data.is_float) {
buf[i - start_offset + ++data.bytes_grown] = data.a[2];
buf[i - start_offset + ++data.bytes_grown] = data.a[3];
}
if (llabs(data.ll) > 0xFFFFFFFF || data.size == 8) {
buf[i - start_offset + ++data.bytes_grown] = data.a[4];
buf[i - start_offset + ++data.bytes_grown] = data.a[5];
buf[i - start_offset + ++data.bytes_grown] = data.a[6];
buf[i - start_offset + ++data.bytes_grown] = data.a[7];
}
}
// When in "fill" mode, the maximum size is already predefined
if (write_mode == WRITE_MODE_FILL)
bytes_grown = 0;
data.bytes_grown = 0;
if ((addr + len + bytes_grown) > maxsize) {
if ((addr + len + data.bytes_grown) > maxsize) {
avrdude_message(MSG_INFO, "%s (write): selected address and # bytes exceed "
"range for %s memory\n",
progname, memtype);
@ -480,7 +500,7 @@ static int cmd_write(PROGRAMMER * pgm, struct avrpart * p,
}
pgm->err_led(pgm, OFF);
for (werror=0, i=0; i < (len + bytes_grown); i++) {
for (werror=0, i=0; i < (len + data.bytes_grown); i++) {
rc = avr_write_byte(pgm, p, mem, addr+i, buf[i]);
if (rc) {
avrdude_message(MSG_INFO, "%s (write): error writing 0x%02x at 0x%05lx, rc=%d\n",