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ftdi_ft4222.c: Implemented i2c_frequency().

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Signed-off-by: Henry Bruce <henry.bruce@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Henry Bruce
2015-07-28 16:36:19 -07:00
committed by Brendan Le Foll
parent 33645791af
commit 99901d05f7
1 changed files with 12 additions and 1 deletions
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13
src/usb/ftdi_ft4222.c
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@@ -271,7 +271,18 @@ mraa_ftdi_ft4222_i2c_init_bus_replace(mraa_i2c_context dev)
static mraa_result_t
mraa_ftdi_ft4222_i2c_frequency(mraa_i2c_context dev, mraa_i2c_mode_t mode)
{
return MRAA_ERROR_FEATURE_NOT_SUPPORTED;
switch (mode) {
case MRAA_I2C_STD: /**< up to 100Khz */
bus_speed = 100;
break;
MRAA_I2C_FAST: /**< up to 400Khz */
bus_speed = 400;
break;
MRAA_I2C_HIGH: /**< up to 3.4Mhz */
bus_speed = 3400;
break;
}
return MRAA_SUCCESS;
}