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do multiple reads in i2c block read mode to get all 256 bytes

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1258 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Mark D. Studebaker committed 2001-12-04 00:30:55 +00:00
1 parent d46a2830ab
commit 7821a784f2
1 file changed
+9 -3
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prog/dump/i2cdump.c
+9 -3
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@@ -31,7 +31,7 @@
i2c_smbus_read_i2c_block_data() was implemented (i2c 2.6.3),
so we use it as a version check.
*/
#if defined(I2C_FUNC_SMBUS_READ_I2C_BLOCK_2)
#ifdef I2C_FUNC_SMBUS_READ_I2C_BLOCK_2
#define USE_I2C_BLOCK 1
#else
#define USE_I2C_BLOCK 0
@@ -57,7 +57,7 @@ void help(void)
int main(int argc, char *argv[])
{
char *end;
int i,j,res,i2cbus,address,size,file;
int i,j,res,res2,i2cbus,address,size,file;
int e1, e2, e3;
int bank = 0, bankreg = 0x4E;
char filename1[20];
@@ -269,7 +269,13 @@ int main(int argc, char *argv[])
res = i2c_smbus_read_block_data(file,0,cblock);
} else if(size == I2C_SMBUS_I2C_BLOCK_DATA) {
#if USE_I2C_BLOCK
res = i2c_smbus_read_i2c_block_data(file,0,cblock);
res = 0;
for (i = 0; i < 256; i+=32) {
res2 = i2c_smbus_read_i2c_block_data(file, i, cblock+i);
if(res2 <= 0)
break;
res += res2;
}
#else
fprintf(stderr, "Error: I2C block read unimplemented\n");
exit(1);