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i2c.cxx: add functionality to write to i2c

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2014-04-11 11:51:40 +01:00
parent e59b8b2038
commit 0504d0310e
1 changed files with 9 additions and 0 deletions
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9
src/i2c/i2c.cxx
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@@ -64,12 +64,21 @@ I2C::read(int ack)
int int
I2C::write(int address, const char *data, int length, bool repeated) I2C::write(int address, const char *data, int length, bool repeated)
{ {
if (i2c_smbus_write_i2c_block_data(i2c_handle, data[0], length, (uint8_t*) data) < 0) {
fprintf(stderr, "Failed to write to I2C slave\n");
return -1;
}
return 0; return 0;
} }
int int
I2C::write(int data) I2C::write(int data)
{ {
if (i2c_smbus_write_byte(i2c_handle, data) < 0) {
fprintf(stderr, "Failed to write to I2C slave\n");
return -1;
}
return 0;
} }
void void