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/portserial.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: portserial.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
stanley1228 0:aefcdfe9ca2f 32
stanley1228 0:aefcdfe9ca2f 33 /* ----------------------- static functions ---------------------------------*/
stanley1228 0:aefcdfe9ca2f 34 static void prvvUARTTxReadyISR( void );
stanley1228 0:aefcdfe9ca2f 35 static void prvvUARTRxISR( void );
stanley1228 0:aefcdfe9ca2f 36
stanley1228 0:aefcdfe9ca2f 37
stanley1228 0:aefcdfe9ca2f 38 /* ----------------------- System Variables ---------------------------------*/
stanley1228 0:aefcdfe9ca2f 39 Serial ser3(PB_10, PC_5); //serial3
stanley1228 0:aefcdfe9ca2f 40 extern Serial pc;
stanley1228 0:aefcdfe9ca2f 41 static uint8_t grx_buf=0;
stanley1228 0:aefcdfe9ca2f 42
stanley1228 0:aefcdfe9ca2f 43 /* ----------------------- Start implementation -----------------------------*/
stanley1228 0:aefcdfe9ca2f 44 void
stanley1228 0:aefcdfe9ca2f 45 vMBPortSerialEnable( BOOL xRxEnable, BOOL xTxEnable )
stanley1228 0:aefcdfe9ca2f 46 {
stanley1228 0:aefcdfe9ca2f 47 /* If xRXEnable enable serial receive interrupts. If xTxENable enable
stanley1228 0:aefcdfe9ca2f 48 * transmitter empty interrupts.
stanley1228 0:aefcdfe9ca2f 49 */
stanley1228 0:aefcdfe9ca2f 50
stanley1228 0:aefcdfe9ca2f 51
stanley1228 0:aefcdfe9ca2f 52 //stanley
stanley1228 0:aefcdfe9ca2f 53 ENTER_CRITICAL_SECTION( );
stanley1228 0:aefcdfe9ca2f 54
stanley1228 0:aefcdfe9ca2f 55
stanley1228 0:aefcdfe9ca2f 56 ser3.attach(NULL); //close all
stanley1228 0:aefcdfe9ca2f 57
stanley1228 0:aefcdfe9ca2f 58 if(xRxEnable)
stanley1228 0:aefcdfe9ca2f 59 ser3.attach(&prvvUARTRxISR,Serial::RxIrq);
stanley1228 0:aefcdfe9ca2f 60
stanley1228 0:aefcdfe9ca2f 61 if(xTxEnable)
stanley1228 0:aefcdfe9ca2f 62 {
stanley1228 0:aefcdfe9ca2f 63 ser3.attach(&prvvUARTTxReadyISR,Serial::TxIrq);
stanley1228 0:aefcdfe9ca2f 64 while(!ser3.writeable());
stanley1228 0:aefcdfe9ca2f 65 prvvUARTTxReadyISR();
stanley1228 0:aefcdfe9ca2f 66 }
stanley1228 0:aefcdfe9ca2f 67 EXIT_CRITICAL_SECTION( );
stanley1228 0:aefcdfe9ca2f 68
stanley1228 0:aefcdfe9ca2f 69 //if(xTxEnable)
stanley1228 0:aefcdfe9ca2f 70 //¤£¥Î¦b³oÃä³]©wser3.write(tx_buf,TX_BUFF_LENGTH,serialTxCBEvent,SERIAL_EVENT_TX_COMPLETE);
stanley1228 0:aefcdfe9ca2f 71
stanley1228 0:aefcdfe9ca2f 72 //else
stanley1228 0:aefcdfe9ca2f 73 //{
stanley1228 0:aefcdfe9ca2f 74 // ser3.attach(NULL,Serial::RxIrq); //stanley the test result find that this may disable RxIrq and TxIrq so have to enable TxIrq
stanley1228 0:aefcdfe9ca2f 75 // ser3.attach(&prvvUARTTxReadyISR,Serial::TxIrq);
stanley1228 0:aefcdfe9ca2f 76 //}
stanley1228 0:aefcdfe9ca2f 77 }
stanley1228 0:aefcdfe9ca2f 78
stanley1228 0:aefcdfe9ca2f 79 BOOL
stanley1228 0:aefcdfe9ca2f 80 xMBPortSerialInit( UCHAR ucPORT, ULONG ulBaudRate, UCHAR ucDataBits, eMBParity eParity )
stanley1228 0:aefcdfe9ca2f 81 {
stanley1228 0:aefcdfe9ca2f 82
stanley1228 0:aefcdfe9ca2f 83 ser3.baud(ulBaudRate); //stanley
stanley1228 0:aefcdfe9ca2f 84
stanley1228 0:aefcdfe9ca2f 85
stanley1228 0:aefcdfe9ca2f 86 return TRUE;
stanley1228 0:aefcdfe9ca2f 87 }
stanley1228 0:aefcdfe9ca2f 88
stanley1228 0:aefcdfe9ca2f 89 BOOL
stanley1228 0:aefcdfe9ca2f 90 xMBPortSerialPutByte( CHAR ucByte )
stanley1228 0:aefcdfe9ca2f 91 {
stanley1228 0:aefcdfe9ca2f 92 /* Put a byte in the UARTs transmit buffer. This function is called
stanley1228 0:aefcdfe9ca2f 93 * by the protocol stack if pxMBFrameCBTransmitterEmpty( ) has been
stanley1228 0:aefcdfe9ca2f 94 * called. */
stanley1228 0:aefcdfe9ca2f 95
stanley1228 0:aefcdfe9ca2f 96 //stanley
stanley1228 0:aefcdfe9ca2f 97 ser3.putc( ucByte);
stanley1228 0:aefcdfe9ca2f 98
stanley1228 0:aefcdfe9ca2f 99 return TRUE;
stanley1228 0:aefcdfe9ca2f 100 }
stanley1228 0:aefcdfe9ca2f 101
stanley1228 0:aefcdfe9ca2f 102 BOOL
stanley1228 0:aefcdfe9ca2f 103 xMBPortSerialGetByte( CHAR * pucByte )
stanley1228 0:aefcdfe9ca2f 104 {
stanley1228 0:aefcdfe9ca2f 105 /* Return the byte in the UARTs receive buffer. This function is called
stanley1228 0:aefcdfe9ca2f 106 * by the protocol stack after pxMBFrameCBByteReceived( ) has been called.
stanley1228 0:aefcdfe9ca2f 107 */
stanley1228 0:aefcdfe9ca2f 108
stanley1228 0:aefcdfe9ca2f 109 *pucByte = grx_buf;//stanley
stanley1228 0:aefcdfe9ca2f 110
stanley1228 0:aefcdfe9ca2f 111
stanley1228 0:aefcdfe9ca2f 112
stanley1228 0:aefcdfe9ca2f 113 return TRUE;
stanley1228 0:aefcdfe9ca2f 114 }
stanley1228 0:aefcdfe9ca2f 115
stanley1228 0:aefcdfe9ca2f 116 /* Create an interrupt handler for the transmit buffer empty interrupt
stanley1228 0:aefcdfe9ca2f 117 * (or an equivalent) for your target processor. This function should then
stanley1228 0:aefcdfe9ca2f 118 * call pxMBFrameCBTransmitterEmpty( ) which tells the protocol stack that
stanley1228 0:aefcdfe9ca2f 119 * a new character can be sent. The protocol stack will then call
stanley1228 0:aefcdfe9ca2f 120 * xMBPortSerialPutByte( ) to send the character.
stanley1228 0:aefcdfe9ca2f 121 */
stanley1228 0:aefcdfe9ca2f 122 static void prvvUARTTxReadyISR( void )
stanley1228 0:aefcdfe9ca2f 123 {
stanley1228 0:aefcdfe9ca2f 124 pxMBFrameCBTransmitterEmpty();
stanley1228 0:aefcdfe9ca2f 125 }
stanley1228 0:aefcdfe9ca2f 126
stanley1228 0:aefcdfe9ca2f 127 /* Create an interrupt handler for the receive interrupt for your target
stanley1228 0:aefcdfe9ca2f 128 * processor. This function should then call pxMBFrameCBByteReceived( ). The
stanley1228 0:aefcdfe9ca2f 129 * protocol stack will then call xMBPortSerialGetByte( ) to retrieve the
stanley1228 0:aefcdfe9ca2f 130 * character.
stanley1228 0:aefcdfe9ca2f 131 */
stanley1228 0:aefcdfe9ca2f 132 static void prvvUARTRxISR( void )
stanley1228 0:aefcdfe9ca2f 133 {
stanley1228 0:aefcdfe9ca2f 134 if(ser3.readable()) //stanlely RX ISR must contain getc
stanley1228 0:aefcdfe9ca2f 135 grx_buf=ser3.getc();
stanley1228 0:aefcdfe9ca2f 136
stanley1228 0:aefcdfe9ca2f 137 pxMBFrameCBByteReceived();
stanley1228 0:aefcdfe9ca2f 138 }
stanley1228 0:aefcdfe9ca2f 139
stanley1228 0:aefcdfe9ca2f 140