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add 'c' mode for consecutive address byte reads

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2095 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Mark D. Studebaker committed 2003-11-26 03:45:18 +00:00
1 parent 9098477852
commit bd947e0fe5
1 file changed
+35 -3
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prog/dump/i2cdump.c
+35 -3
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@@ -47,7 +47,8 @@ void print_i2c_busses();
void help(void)
{
fprintf(stderr,"Syntax: i2cdump I2CBUS ADDRESS [MODE] [BANK [BANKREG]]\n");
fprintf(stderr," MODE is 'b[yte]', 'w[ord]', 's[mbusblock], or 'i[2cblock]' (default b)\n");
fprintf(stderr," MODE is 'b[yte]', 'w[ord]', 's[mbusblock], 'i[2cblock]',\n");
fprintf(stderr," or 'c[onsectutive byte address mode]' (default b)\n");
fprintf(stderr," Append MODE with 'p' for PEC checking\n");
fprintf(stderr," I2CBUS is an integer\n");
fprintf(stderr," ADDRESS is an integer 0x00 - 0x7f\n");
@@ -121,6 +122,9 @@ int main(int argc, char *argv[])
} else if (!strncmp(argv[3],"s",1)) {
size = I2C_SMBUS_BLOCK_DATA;
pec = argv[3][1] == 'p';
} else if (!strncmp(argv[3],"c",1)) {
size = I2C_SMBUS_BYTE;
pec = argv[3][1] == 'p';
} else if (!strcmp(argv[3],"i"))
size = I2C_SMBUS_I2C_BLOCK_DATA;
else {
@@ -220,6 +224,25 @@ int main(int argc, char *argv[])
}
switch(size) {
case I2C_SMBUS_BYTE:
#ifdef HAVE_PEC
if(pec) {
if (! (funcs & I2C_FUNC_SMBUS_READ_BYTE_PEC)) {
fprintf(stderr, "Error: Adapter for i2c bus %d", i2cbus);
fprintf(stderr, " does not have read w/ PEC capability\n");
exit(1);
}
} else
#endif
{
if (! (funcs & I2C_FUNC_SMBUS_READ_BYTE)) {
fprintf(stderr, "Error: Adapter for i2c bus %d", i2cbus);
fprintf(stderr, " does not have read capability\n");
exit(1);
}
}
break;
case I2C_SMBUS_BYTE_DATA:
#ifdef HAVE_PEC
if(pec) {
@@ -311,6 +334,7 @@ int main(int argc, char *argv[])
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," with PEC checking.\n");
@@ -362,13 +386,21 @@ int main(int argc, char *argv[])
block[i] = -1;
}
if(size == I2C_SMBUS_BYTE) {
res = i2c_smbus_write_byte(file, 0);
if(res != 0) {
fprintf(stderr, "Error: Write start address failed, return code %d\n", res);
exit(1);
}
}
printf(" 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef\n");
for (i = 0; i < 256; i+=16) {
printf("%02x: ",i);
for(j = 0; j < 16; j++) {
if(size == I2C_SMBUS_BYTE_DATA) {
res = i2c_smbus_read_byte_data(file,i+j);
block[i+j] = res;
block[i+j] = res = i2c_smbus_read_byte_data(file,i+j);
} else if(size == I2C_SMBUS_BYTE) {
block[i+j] = res = i2c_smbus_read_byte(file);
} else
res = block[i+j];
if (res < 0)