hsu han-lin / Modbus_For_F446RE

1.original from Cam Marshall 2.use for F446RE Test 3.use the interrupt method of uart 4.not change to RTOS yet

Dependents:   RoboticArm Modbus_Gripper_Test

port/porttimer.cpp@0:aefcdfe9ca2f, 2017-03-31 (annotated)

Committer:
stanley1228
Date:
Fri Mar 31 01:47:35 2017 +0000
Revision:
0:aefcdfe9ca2f
1.change the file in "port" folder to F446RE use

Who changed what in which revision?

UserRevisionLine numberNew contents of line
stanley1228 0:aefcdfe9ca2f 1 /*
stanley1228 0:aefcdfe9ca2f 2 * FreeModbus Libary: BARE Port
stanley1228 0:aefcdfe9ca2f 3 * Copyright (C) 2006 Christian Walter <wolti@sil.at>
stanley1228 0:aefcdfe9ca2f 4 *
stanley1228 0:aefcdfe9ca2f 5 * This library is free software; you can redistribute it and/or
stanley1228 0:aefcdfe9ca2f 6 * modify it under the terms of the GNU Lesser General Public
stanley1228 0:aefcdfe9ca2f 7 * License as published by the Free Software Foundation; either
stanley1228 0:aefcdfe9ca2f 8 * version 2.1 of the License, or (at your option) any later version.
stanley1228 0:aefcdfe9ca2f 9 *
stanley1228 0:aefcdfe9ca2f 10 * This library is distributed in the hope that it will be useful,
stanley1228 0:aefcdfe9ca2f 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
stanley1228 0:aefcdfe9ca2f 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
stanley1228 0:aefcdfe9ca2f 13 * Lesser General Public License for more details.
stanley1228 0:aefcdfe9ca2f 14 *
stanley1228 0:aefcdfe9ca2f 15 * You should have received a copy of the GNU Lesser General Public
stanley1228 0:aefcdfe9ca2f 16 * License along with this library; if not, write to the Free Software
stanley1228 0:aefcdfe9ca2f 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
stanley1228 0:aefcdfe9ca2f 18 *
stanley1228 0:aefcdfe9ca2f 19 * File: $Id: porttimer.c,v 1.1 2006/08/22 21:35:13 wolti Exp $
stanley1228 0:aefcdfe9ca2f 20 */
stanley1228 0:aefcdfe9ca2f 21
stanley1228 0:aefcdfe9ca2f 22 /* ----------------------- System includes ----------------------------------*/
stanley1228 0:aefcdfe9ca2f 23 #include "mbed.h" // Cam
stanley1228 0:aefcdfe9ca2f 24
stanley1228 0:aefcdfe9ca2f 25 /* ----------------------- Platform includes --------------------------------*/
stanley1228 0:aefcdfe9ca2f 26 #include "port.h"
stanley1228 0:aefcdfe9ca2f 27
stanley1228 0:aefcdfe9ca2f 28 /* ----------------------- Modbus includes ----------------------------------*/
stanley1228 0:aefcdfe9ca2f 29 #include "mb.h"
stanley1228 0:aefcdfe9ca2f 30 #include "mbport.h"
stanley1228 0:aefcdfe9ca2f 31 extern DigitalOut testD8; //stanley
stanley1228 0:aefcdfe9ca2f 32 /* ----------------------- static functions ---------------------------------*/
stanley1228 0:aefcdfe9ca2f 33 static void prvvTIMERExpiredISR( void );
stanley1228 0:aefcdfe9ca2f 34
stanley1228 0:aefcdfe9ca2f 35 /* ----------------------- System Variables ---------------------------------*/
stanley1228 0:aefcdfe9ca2f 36 Timeout toMBUS; // Cam - mbed timeout
stanley1228 0:aefcdfe9ca2f 37 static ULONG usInterval; // Cam - timeout interval in microseconds
stanley1228 0:aefcdfe9ca2f 38
stanley1228 0:aefcdfe9ca2f 39 /* ----------------------- Start implementation -----------------------------*/
stanley1228 0:aefcdfe9ca2f 40 BOOL
stanley1228 0:aefcdfe9ca2f 41 xMBPortTimersInit( USHORT usTim1Timerout50us )
stanley1228 0:aefcdfe9ca2f 42 {
stanley1228 0:aefcdfe9ca2f 43 usInterval = 50 * usTim1Timerout50us;
stanley1228 0:aefcdfe9ca2f 44 return TRUE;
stanley1228 0:aefcdfe9ca2f 45 }
stanley1228 0:aefcdfe9ca2f 46
stanley1228 0:aefcdfe9ca2f 47
stanley1228 0:aefcdfe9ca2f 48 /*inline*/ void
stanley1228 0:aefcdfe9ca2f 49 vMBPortTimersEnable( )
stanley1228 0:aefcdfe9ca2f 50 {
stanley1228 0:aefcdfe9ca2f 51 /* Enable the timer with the timeout passed to xMBPortTimersInit( ) */
stanley1228 0:aefcdfe9ca2f 52
stanley1228 0:aefcdfe9ca2f 53 // Cam - firstly detach from any existing timeout
stanley1228 0:aefcdfe9ca2f 54 toMBUS.detach();
stanley1228 0:aefcdfe9ca2f 55 // Cam - now attach the timeout to the prvvTIMERExpiredISR routine
stanley1228 0:aefcdfe9ca2f 56 toMBUS.attach_us(&prvvTIMERExpiredISR, usInterval);
stanley1228 0:aefcdfe9ca2f 57 }
stanley1228 0:aefcdfe9ca2f 58
stanley1228 0:aefcdfe9ca2f 59 /*inline*/ void
stanley1228 0:aefcdfe9ca2f 60 vMBPortTimersDisable( )
stanley1228 0:aefcdfe9ca2f 61 {
stanley1228 0:aefcdfe9ca2f 62 /* Disable any pending timers. */
stanley1228 0:aefcdfe9ca2f 63
stanley1228 0:aefcdfe9ca2f 64 // Cam - disable further interrupts by detaching
stanley1228 0:aefcdfe9ca2f 65 toMBUS.detach();
stanley1228 0:aefcdfe9ca2f 66 }
stanley1228 0:aefcdfe9ca2f 67
stanley1228 0:aefcdfe9ca2f 68 /* Create an ISR which is called whenever the timer has expired. This function
stanley1228 0:aefcdfe9ca2f 69 * must then call pxMBPortCBTimerExpired( ) to notify the protocol stack that
stanley1228 0:aefcdfe9ca2f 70 * the timer has expired.
stanley1228 0:aefcdfe9ca2f 71 */
stanley1228 0:aefcdfe9ca2f 72 static void prvvTIMERExpiredISR( void )
stanley1228 0:aefcdfe9ca2f 73 {
stanley1228 0:aefcdfe9ca2f 74
stanley1228 0:aefcdfe9ca2f 75 (void)pxMBPortCBTimerExpired( );
stanley1228 0:aefcdfe9ca2f 76 // Cam - disable further interrupts by detaching
stanley1228 0:aefcdfe9ca2f 77 toMBUS.detach();
stanley1228 0:aefcdfe9ca2f 78 }
stanley1228 0:aefcdfe9ca2f 79