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Update portserial_m.c 

add macro to aviod compile error with:
rt_pin_mode(MODBUS_MASTER_RT_CONTROL_PIN_INDEX, PIN_MODE_OUTPUT);
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shauew 2018-08-29 18:31:32 +08:00 committed by GitHub
parent 361a1b2498
commit eea0b9ebf2
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components/net/freemodbus/port/portserial_m.c
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@ -57,7 +57,9 @@ BOOL xMBMasterPortSerialInit(UCHAR ucPORT, ULONG ulBaudRate, UCHAR ucDataBits,
* set 485 mode receive and transmit control IO
* @note MODBUS_MASTER_RT_CONTROL_PIN_INDEX need be defined by user
*/
#if defined(RT_MODBUS_MASTER_USE_CONTROL_PIN)
rt_pin_mode(MODBUS_MASTER_RT_CONTROL_PIN_INDEX, PIN_MODE_OUTPUT);
#endif
/* set serial name */
if (ucPORT == 1) {