Merge pull request #2712 from misonyo/rttdev

[bsp/lpc54608]write high to scl and sda pin after init

bsp/lpc54608-LPCXpresso/drivers/drv_i2c.c

@@ -56,7 +56,7 @@ static void gpio_set_scl(void *data, rt_int32_t state)
     else
     {
         //bd->scl.base->B[bd->sda.port][bd->sda.pin] = 0;
-        GPIO_WritePinOutput(bd->scl.base, bd->scl.port, bd->scl.pin, 1);
+        GPIO_WritePinOutput(bd->scl.base, bd->scl.port, bd->scl.pin, 0);
     }
 }
 
@@ -244,6 +244,9 @@ int rt_hw_i2c_init(void)
         GPIO_PinInit(GPIO, _i2c_bdata.sda.port, _i2c_bdata.sda.pin, &pin_config);
         GPIO_PinInit(GPIO, _i2c_bdata.scl.port, _i2c_bdata.scl.pin, &pin_config);
 
+        GPIO_WritePinOutput(GPIO, _i2c_bdata.sda.port, _i2c_bdata.sda.pin, 1);
+        GPIO_WritePinOutput(GPIO, _i2c_bdata.scl.port, _i2c_bdata.scl.pin, 1);
+
         i2c_device.priv = (void *)&_i2c_bit_ops;
         rt_i2c_bit_add_bus(&i2c_device, "i2c2");
     } /* register I2C */