tools: Mass fixing of empty prototypes (for -Wstrict-prototypes)

* Original commit: espressif/esp-idf@afbaf74007

components/freemodbus/common/esp_modbus_master.c

@@ -58,7 +58,7 @@ esp_err_t mbc_master_init(mb_port_type_t port_type, void** handler)
 /**
  * Modbus controller destroy function
  */
-esp_err_t mbc_master_destroy()
+esp_err_t mbc_master_destroy(void)
 {
     esp_err_t error = ESP_OK;
     MB_MASTER_CHECK((master_interface_ptr != NULL),
@@ -195,7 +195,7 @@ esp_err_t mbc_master_setup(void* comm_info)
 /**
  * Modbus controller stack start function
  */
-esp_err_t mbc_master_start()
+esp_err_t mbc_master_start(void)
 {
     esp_err_t error = ESP_OK;
     MB_MASTER_CHECK((master_interface_ptr != NULL),

components/freemodbus/common/esp_modbus_slave.c

@@ -77,7 +77,7 @@ esp_err_t mbc_slave_init(mb_port_type_t port_type, void** handler)
 /**
  * Modbus controller destroy function
  */
-esp_err_t mbc_slave_destroy()
+esp_err_t mbc_slave_destroy(void)
 {
     esp_err_t error = ESP_OK;
     // Is initialization done?
@@ -118,7 +118,7 @@ esp_err_t mbc_slave_setup(void* comm_info)
 /**
  * Start Modbus controller start function
  */
-esp_err_t mbc_slave_start()
+esp_err_t mbc_slave_start(void)
 {
     esp_err_t error = ESP_OK;
     MB_SLAVE_CHECK((slave_interface_ptr != NULL),

components/freemodbus/port/port.c

@@ -46,13 +46,13 @@ static _lock_t s_port_lock;
 
 /* ----------------------- Start implementation -----------------------------*/
 inline void
-vMBPortEnterCritical( )
+vMBPortEnterCritical(void)
 {
     _lock_acquire(&s_port_lock);
 }
 
 inline void
-vMBPortExitCritical( )
+vMBPortExitCritical(void)
 {
     _lock_release(&s_port_lock);
 }

components/freemodbus/port/port.h

@@ -56,8 +56,8 @@ typedef short   SHORT;
 typedef unsigned long ULONG;
 typedef long    LONG;
 
-void vMBPortEnterCritical( );
-void vMBPortExitCritical( );
+void vMBPortEnterCritical(void);
+void vMBPortExitCritical(void);
 
 #define ENTER_CRITICAL_SECTION( ) { ESP_LOGD(MB_PORT_TAG,"%s: Port enter critical.", __func__); \
                                     vMBPortEnterCritical(); }

components/freemodbus/port/portserial.c

@@ -130,7 +130,7 @@ static void vMBPortSerialRxPoll(size_t xEventSize)
     }
 }
 
-BOOL xMBPortSerialTxPoll()
+BOOL xMBPortSerialTxPoll(void)
 {
     BOOL bStatus = FALSE;
     USHORT usCount = 0;
@@ -271,7 +271,7 @@ BOOL xMBPortSerialInit(UCHAR ucPORT, ULONG ulBaudRate,
     return TRUE;
 }
 
-void vMBPortSerialClose()
+void vMBPortSerialClose(void)
 {
     (void)vTaskSuspend(xMbTaskHandle);
     (void)vTaskDelete(xMbTaskHandle);

components/freemodbus/port/portserial_m.c

@@ -121,7 +121,7 @@ static void vMBMasterPortSerialRxPoll(size_t xEventSize)
     }
 }
 
-BOOL xMBMasterPortSerialTxPoll()
+BOOL xMBMasterPortSerialTxPoll(void)
 {
     BOOL bStatus = FALSE;
     USHORT usCount = 0;
@@ -265,7 +265,7 @@ BOOL xMBMasterPortSerialInit( UCHAR ucPORT, ULONG ulBaudRate, UCHAR ucDataBits,
     return TRUE;
 }
 
-void vMBMasterPortSerialClose()
+void vMBMasterPortSerialClose(void)
 {
     (void)vTaskDelete(xMbTaskHandle);
     ESP_ERROR_CHECK(uart_driver_delete(ucUartNumber));

components/freemodbus/port/porttimer.c

@@ -129,7 +129,7 @@ BOOL xMBPortTimersInit(USHORT usTim1Timerout50us)
     return TRUE;
 }
 
-void vMBPortTimersEnable()
+void vMBPortTimersEnable(void)
 {
 #ifdef CONFIG_FMB_TIMER_PORT_ENABLED
     ESP_ERROR_CHECK(timer_pause(usTimerGroupIndex, usTimerIndex));
@@ -139,7 +139,7 @@ void vMBPortTimersEnable()
 #endif
 }
 
-void vMBPortTimersDisable()
+void vMBPortTimersDisable(void)
 {
 #ifdef CONFIG_FMB_TIMER_PORT_ENABLED
     ESP_ERROR_CHECK(timer_pause(usTimerGroupIndex, usTimerIndex));
@@ -149,7 +149,7 @@ void vMBPortTimersDisable()
 #endif
 }
 
-void vMBPortTimerClose()
+void vMBPortTimerClose(void)
 {
 #ifdef CONFIG_FMB_TIMER_PORT_ENABLED
     ESP_ERROR_CHECK(timer_pause(usTimerGroupIndex, usTimerIndex));

components/freemodbus/port/porttimer_m.c

@@ -168,7 +168,7 @@ static BOOL xMBMasterPortTimersEnable(USHORT usTimerTics50us)
     return TRUE;
 }
 
-void vMBMasterPortTimersT35Enable()
+void vMBMasterPortTimersT35Enable(void)
 {
     USHORT usTimerTicks = usT35TimeOut50us;
 
@@ -178,7 +178,7 @@ void vMBMasterPortTimersT35Enable()
     (void)xMBMasterPortTimersEnable(usTimerTicks);
 }
 
-void vMBMasterPortTimersConvertDelayEnable()
+void vMBMasterPortTimersConvertDelayEnable(void)
 {
     // Covert time in milliseconds into ticks
     USHORT usTimerTicks = ((MB_MASTER_DELAY_MS_CONVERT * 1000) / MB_TICK_TIME_US);
@@ -189,7 +189,7 @@ void vMBMasterPortTimersConvertDelayEnable()
     (void)xMBMasterPortTimersEnable(usTimerTicks);
 }
 
-void vMBMasterPortTimersRespondTimeoutEnable()
+void vMBMasterPortTimersRespondTimeoutEnable(void)
 {
     USHORT usTimerTicks = (MB_MASTER_TIMEOUT_MS_RESPOND * 1000 / MB_TICK_TIME_US);
 
@@ -198,7 +198,7 @@ void vMBMasterPortTimersRespondTimeoutEnable()
     (void)xMBMasterPortTimersEnable(usTimerTicks);
 }
 
-void vMBMasterPortTimersDisable()
+void vMBMasterPortTimersDisable(void)
 {
     // Stop timer and then reload timer counter value
     ESP_ERROR_CHECK(timer_pause(usTimerGroupIndex, usTimerIndex));
@@ -207,7 +207,7 @@ void vMBMasterPortTimersDisable()
     ESP_ERROR_CHECK(timer_disable_intr(usTimerGroupIndex, usTimerIndex));
 }
 
-void vMBMasterPortTimerClose()
+void vMBMasterPortTimerClose(void)
 {
     ESP_ERROR_CHECK(timer_pause(usTimerGroupIndex, usTimerIndex));
     ESP_ERROR_CHECK(timer_disable_intr(usTimerGroupIndex, usTimerIndex));

components/freemodbus/serial_slave/modbus_controller/mbc_serial_slave.c

@@ -156,7 +156,7 @@ esp_err_t mbc_serial_slave_set_descriptor(const mb_register_area_descriptor_t de
 }
 
 // The helper function to get time stamp in microseconds
-static uint64_t get_time_stamp()
+static uint64_t get_time_stamp(void)
 {
     uint64_t time_stamp = esp_timer_get_time();
     return time_stamp;