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mraa.c: Add new API to support I2C bus number query

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Add two new API to get the usable I2C bus count and related I2C adapter number

Signed-off-by: Yong Li <yong.b.li@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Yong Li
2015-08-25 15:04:38 +08:00
committed by Brendan Le Foll
parent af533deffe
commit 02399b61f9
3 changed files with 47 additions and 1 deletions
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8
examples/hellomraa.c
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@@ -32,9 +32,17 @@ int
main(int argc, char** argv)
{
char* board_name = mraa_get_platform_name();
int i2c_bus, i, i2c_adapter;
fprintf(stdout, "hello mraa\n Version: %s\n Running on %s\n", mraa_get_version(), board_name);
i2c_bus = mraa_get_i2c_bus_count();
for (i = 0; i < i2c_bus; i++) {
i2c_adapter = mraa_get_i2c_bus_id(i);
fprintf(stdout, "I2C[%d] adapter=%d\n", i, i2c_adapter);
}
mraa_deinit();
return MRAA_SUCCESS;