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Wait for user input to continue (as opposed to 5 sec delay).

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Can be skipped using -y.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2680 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare committed 2004-08-30 19:31:46 +00:00
1 parent 7c969daeb5
commit 657ffe4e9c
2 files changed
+84 -43
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prog/dump/i2cdump.c
+69 -42
View File
@@ -45,8 +45,9 @@
void help(void)
{
fprintf(stderr, "Syntax: i2cdump I2CBUS ADDRESS [MODE] [BANK "
fprintf(stderr, "Syntax: i2cdump [-y] I2CBUS ADDRESS [MODE] [BANK "
"[BANKREG]]\n"
" i2cdump -V\n"
" MODE is 'b[yte]', 'w[ord]', 's[mbusblock], 'i[2cblock]',\n"
" or 'c[onsecutive byte address mode]' (default b)\n"
" Append MODE with 'p' for PEC checking\n"
@@ -68,19 +69,34 @@ int main(int argc, char *argv[])
unsigned char cblock[256];
int block[256];
int pec = 0;
int flags = 0;
int yes = 0, version = 0;
if (argc < 2) {
fprintf(stderr, "Error: No i2c-bus specified!\n");
help();
exit(1);
/* handle (optional) flags first */
while (1+flags < argc && argv[1+flags][0] == '-') {
switch (argv[1+flags][1]) {
case 'V': version = 1; break;
case 'y': yes = 1; break;
default:
fprintf(stderr, "Warning: Unsupported flag "
"\"-%c\"!\n", argv[1+flags][1]);
help();
exit(1);
}
flags++;
}
if(!strcmp(argv[1], "-v") || !strcmp(argv[1], "-V")) {
if (version) {
fprintf(stderr, "i2cdump version %s\n", LM_VERSION);
exit(1);
}
i2cbus = strtol(argv[1], &end, 0);
if (argc < flags + 2) {
fprintf(stderr, "Error: No i2c-bus specified!\n");
help();
exit(1);
}
i2cbus = strtol(argv[flags+1], &end, 0);
if (*end) {
fprintf(stderr, "Error: First argument not a number!\n");
help();
@@ -92,12 +108,12 @@ int main(int argc, char *argv[])
exit(1);
}
if (argc < 3) {
if (argc < flags + 3) {
fprintf(stderr, "Error: No address specified!\n");
help();
exit(1);
}
address = strtol(argv[2], &end, 0);
address = strtol(argv[flags+2], &end, 0);
if (*end) {
fprintf(stderr, "Error: Second argument not a number!\n");
help();
@@ -109,22 +125,22 @@ int main(int argc, char *argv[])
exit(1);
}
if (argc < 4) {
if (argc < flags + 4) {
fprintf(stderr, "No size specified (using byte-data access)\n");
size = I2C_SMBUS_BYTE_DATA;
} else if (!strncmp(argv[3], "b", 1)) {
} else if (!strncmp(argv[flags+3], "b", 1)) {
size = I2C_SMBUS_BYTE_DATA;
pec = argv[3][1] == 'p';
} else if (!strncmp(argv[3], "w", 1)) {
pec = argv[flags+3][1] == 'p';
} else if (!strncmp(argv[flags+3], "w", 1)) {
size = I2C_SMBUS_WORD_DATA;
pec = argv[3][1] == 'p';
} else if (!strncmp(argv[3], "s", 1)) {
pec = argv[flags+3][1] == 'p';
} else if (!strncmp(argv[flags+3], "s", 1)) {
size = I2C_SMBUS_BLOCK_DATA;
pec = argv[3][1] == 'p';
} else if (!strncmp(argv[3], "c", 1)) {
pec = argv[flags+3][1] == 'p';
} else if (!strncmp(argv[flags+3], "c", 1)) {
size = I2C_SMBUS_BYTE;
pec = argv[3][1] == 'p';
} else if (!strcmp(argv[3], "i"))
pec = argv[flags+3][1] == 'p';
} else if (!strcmp(argv[flags+3], "i"))
size = I2C_SMBUS_I2C_BLOCK_DATA;
else {
fprintf(stderr, "Error: Invalid mode!\n");
@@ -132,8 +148,8 @@ int main(int argc, char *argv[])
exit(1);
}
if (argc > 4) {
bank = strtol(argv[4], &end, 0);
if (argc > flags + 4) {
bank = strtol(argv[flags+4], &end, 0);
if (*end || size == I2C_SMBUS_I2C_BLOCK_DATA) {
fprintf(stderr, "Error: Invalid bank number!\n");
help();
@@ -152,8 +168,8 @@ int main(int argc, char *argv[])
exit(1);
}
if (argc > 5) {
bankreg = strtol(argv[5], &end, 0);
if (argc > flags + 5) {
bankreg = strtol(argv[flags+5], &end, 0);
if (*end || size == I2C_SMBUS_BLOCK_DATA) {
fprintf(stderr, "Error: Invalid bank register "
"number!\n");
@@ -297,26 +313,37 @@ int main(int argc, char *argv[])
#endif
}
fprintf(stderr, "WARNING! This program can confuse your I2C bus, "
"cause data loss and worse!\n");
fprintf(stderr, "I will probe file %s, address 0x%x, mode %s\n",
filename, address,
size == I2C_SMBUS_BLOCK_DATA ? "smbus block" :
size == I2C_SMBUS_I2C_BLOCK_DATA ? "i2c block" :
size == I2C_SMBUS_BYTE ? "byte consecutive read" :
size == I2C_SMBUS_BYTE_DATA ? "byte" : "word");
if (pec)
fprintf(stderr, "PEC checking enabled.\n");
if (bank) {
if (size == I2C_SMBUS_BLOCK_DATA)
fprintf(stderr, "Using command 0x%02x.\n", bank);
else
fprintf(stderr, "Probing bank %d using bank register "
"0x%02x.\n", bank, bankreg);
if (!yes) {
char s[2];
fprintf(stderr, "WARNING! This program can confuse your I2C "
"bus, cause data loss and worse!\n");
fprintf(stderr, "I will probe file %s, address 0x%x, mode "
"%s\n", filename, address,
size == I2C_SMBUS_BLOCK_DATA ? "smbus block" :
size == I2C_SMBUS_I2C_BLOCK_DATA ? "i2c block" :
size == I2C_SMBUS_BYTE ? "byte consecutive read" :
size == I2C_SMBUS_BYTE_DATA ? "byte" : "word");
if (pec)
fprintf(stderr, "PEC checking enabled.\n");
if (bank) {
if (size == I2C_SMBUS_BLOCK_DATA)
fprintf(stderr, "Using command 0x%02x.\n",
bank);
else
fprintf(stderr, "Probing bank %d using bank "
"register 0x%02x.\n", bank, bankreg);
}
fprintf(stderr, "Continue? [Y/n] ");
fflush(stderr);
fgets(s, 2, stdin);
if (s[0] != '\n' && s[0] != 'y' && s[0] != 'Y') {
fprintf(stderr, "Aborting on user request.\n");
exit(0);
}
}
fprintf(stderr, "You have five seconds to reconsider and press "
"CTRL-C!\n\n");
sleep(5);
/* See Winbond w83781d data sheet for bank details */
if (bank && size != I2C_SMBUS_BLOCK_DATA) {