james kain / Mbed 2 deprecated GPS_Incremental

JEK changes enabling proper recording of IMU/GPS datastrams - 02-APR-2013

Dependencies:   mbed

Fork of GPS_Incremental by Dan Matthews

MODSERIAL/MODSERIAL.cpp@9:b45feb91ba38, 2013-04-19 (annotated)

Committer:
jekain314
Date:
Fri Apr 19 16:21:27 2013 +0000
Revision:
9:b45feb91ba38
Parent:
0:c746ee34feae 
update to allow better imu gps data collection

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dannyman939 0:c746ee34feae 1 /*
dannyman939 0:c746ee34feae 2 Copyright (c) 2010 Andy Kirkham
dannyman939 0:c746ee34feae 3
dannyman939 0:c746ee34feae 4 Permission is hereby granted, free of charge, to any person obtaining a copy
dannyman939 0:c746ee34feae 5 of this software and associated documentation files (the "Software"), to deal
dannyman939 0:c746ee34feae 6 in the Software without restriction, including without limitation the rights
dannyman939 0:c746ee34feae 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
dannyman939 0:c746ee34feae 8 copies of the Software, and to permit persons to whom the Software is
dannyman939 0:c746ee34feae 9 furnished to do so, subject to the following conditions:
dannyman939 0:c746ee34feae 10
dannyman939 0:c746ee34feae 11 The above copyright notice and this permission notice shall be included in
dannyman939 0:c746ee34feae 12 all copies or substantial portions of the Software.
dannyman939 0:c746ee34feae 13
dannyman939 0:c746ee34feae 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dannyman939 0:c746ee34feae 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dannyman939 0:c746ee34feae 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dannyman939 0:c746ee34feae 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dannyman939 0:c746ee34feae 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dannyman939 0:c746ee34feae 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dannyman939 0:c746ee34feae 20 THE SOFTWARE.
dannyman939 0:c746ee34feae 21
dannyman939 0:c746ee34feae 22 @file MODSERIAL.h
dannyman939 0:c746ee34feae 23 @purpose Extends Serial to provide fully buffered IO
dannyman939 0:c746ee34feae 24 @version 1.6
dannyman939 0:c746ee34feae 25 @date Nov 2010
dannyman939 0:c746ee34feae 26 @author Andy Kirkham
dannyman939 0:c746ee34feae 27 */
dannyman939 0:c746ee34feae 28
dannyman939 0:c746ee34feae 29 #include "MODSERIAL.h"
dannyman939 0:c746ee34feae 30 #include "MACROS.h"
dannyman939 0:c746ee34feae 31
dannyman939 0:c746ee34feae 32 namespace AjK {
dannyman939 0:c746ee34feae 33
dannyman939 0:c746ee34feae 34 MODSERIAL::MODSERIAL( PinName tx, PinName rx, const char *name ) : Serial( tx, rx, name )
dannyman939 0:c746ee34feae 35 {
dannyman939 0:c746ee34feae 36 init( MODSERIAL_DEFAULT_TX_BUFFER_SIZE, MODSERIAL_DEFAULT_RX_BUFFER_SIZE );
dannyman939 0:c746ee34feae 37 }
dannyman939 0:c746ee34feae 38
dannyman939 0:c746ee34feae 39 MODSERIAL::MODSERIAL( PinName tx, PinName rx, int bufferSize, const char *name ) : Serial( tx, rx, name )
dannyman939 0:c746ee34feae 40 {
dannyman939 0:c746ee34feae 41 init( bufferSize, bufferSize );
dannyman939 0:c746ee34feae 42 }
dannyman939 0:c746ee34feae 43
dannyman939 0:c746ee34feae 44 MODSERIAL::MODSERIAL( PinName tx, PinName rx, int txSize, int rxSize, const char *name ) : Serial( tx, rx, name )
dannyman939 0:c746ee34feae 45 {
dannyman939 0:c746ee34feae 46 init( txSize, rxSize );
dannyman939 0:c746ee34feae 47 }
dannyman939 0:c746ee34feae 48
dannyman939 0:c746ee34feae 49 MODSERIAL::~MODSERIAL()
dannyman939 0:c746ee34feae 50 {
dannyman939 0:c746ee34feae 51 disableIrq();
dannyman939 0:c746ee34feae 52 if ( buffer[0] != NULL) free((char *)buffer[0] );
dannyman939 0:c746ee34feae 53 if ( buffer[1] != NULL) free((char *)buffer[1] );
dannyman939 0:c746ee34feae 54 }
dannyman939 0:c746ee34feae 55
dannyman939 0:c746ee34feae 56 bool
dannyman939 0:c746ee34feae 57 MODSERIAL::txBufferFull( void )
dannyman939 0:c746ee34feae 58 {
dannyman939 0:c746ee34feae 59 return MODSERIAL_TX_BUFFER_FULL;
dannyman939 0:c746ee34feae 60 }
dannyman939 0:c746ee34feae 61
dannyman939 0:c746ee34feae 62 bool
dannyman939 0:c746ee34feae 63 MODSERIAL::rxBufferFull( void )
dannyman939 0:c746ee34feae 64 {
dannyman939 0:c746ee34feae 65 return MODSERIAL_RX_BUFFER_FULL;
dannyman939 0:c746ee34feae 66 }
dannyman939 0:c746ee34feae 67
dannyman939 0:c746ee34feae 68 bool
dannyman939 0:c746ee34feae 69 MODSERIAL::txBufferEmpty( void )
dannyman939 0:c746ee34feae 70 {
dannyman939 0:c746ee34feae 71 return MODSERIAL_TX_BUFFER_EMPTY;
dannyman939 0:c746ee34feae 72 }
dannyman939 0:c746ee34feae 73
dannyman939 0:c746ee34feae 74 bool
dannyman939 0:c746ee34feae 75 MODSERIAL::rxBufferEmpty( void )
dannyman939 0:c746ee34feae 76 {
dannyman939 0:c746ee34feae 77 return MODSERIAL_RX_BUFFER_EMPTY;
dannyman939 0:c746ee34feae 78 }
dannyman939 0:c746ee34feae 79
dannyman939 0:c746ee34feae 80 bool
dannyman939 0:c746ee34feae 81 MODSERIAL::txIsBusy( void )
dannyman939 0:c746ee34feae 82 {
dannyman939 0:c746ee34feae 83 return ( _LSR & ( 3UL << 5 ) == 0 ) ? true : false;
dannyman939 0:c746ee34feae 84 }
dannyman939 0:c746ee34feae 85
dannyman939 0:c746ee34feae 86 void
dannyman939 0:c746ee34feae 87 MODSERIAL::disableIrq( void )
dannyman939 0:c746ee34feae 88 {
dannyman939 0:c746ee34feae 89
dannyman939 0:c746ee34feae 90 #ifdef __LPC11UXX_H__
dannyman939 0:c746ee34feae 91 NVIC_DisableIRQ( UART_IRQn );
dannyman939 0:c746ee34feae 92 #else
dannyman939 0:c746ee34feae 93 switch(_uidx) {
dannyman939 0:c746ee34feae 94 case 0: NVIC_DisableIRQ( UART0_IRQn ); break;
dannyman939 0:c746ee34feae 95 case 1: NVIC_DisableIRQ( UART1_IRQn ); break;
dannyman939 0:c746ee34feae 96 case 2: NVIC_DisableIRQ( UART2_IRQn ); break;
dannyman939 0:c746ee34feae 97 case 3: NVIC_DisableIRQ( UART3_IRQn ); break;
dannyman939 0:c746ee34feae 98 }
dannyman939 0:c746ee34feae 99 #endif
dannyman939 0:c746ee34feae 100 }
dannyman939 0:c746ee34feae 101
dannyman939 0:c746ee34feae 102 void
dannyman939 0:c746ee34feae 103 MODSERIAL::enableIrq(void)
dannyman939 0:c746ee34feae 104 {
dannyman939 0:c746ee34feae 105 #ifdef __LPC11UXX_H__
dannyman939 0:c746ee34feae 106 NVIC_EnableIRQ( UART_IRQn );
dannyman939 0:c746ee34feae 107 #else
dannyman939 0:c746ee34feae 108 switch( _uidx ) {
dannyman939 0:c746ee34feae 109 case 0: NVIC_EnableIRQ( UART0_IRQn ); break;
dannyman939 0:c746ee34feae 110 case 1: NVIC_EnableIRQ( UART1_IRQn ); break;
dannyman939 0:c746ee34feae 111 case 2: NVIC_EnableIRQ( UART2_IRQn ); break;
dannyman939 0:c746ee34feae 112 case 3: NVIC_EnableIRQ( UART3_IRQn ); break;
dannyman939 0:c746ee34feae 113 }
dannyman939 0:c746ee34feae 114 #endif
dannyman939 0:c746ee34feae 115 }
dannyman939 0:c746ee34feae 116
dannyman939 0:c746ee34feae 117 int
dannyman939 0:c746ee34feae 118 MODSERIAL::rxDiscardLastChar( void )
dannyman939 0:c746ee34feae 119 {
dannyman939 0:c746ee34feae 120 // This function can only be called indirectly from
dannyman939 0:c746ee34feae 121 // an rxCallback function. Therefore, we know we
dannyman939 0:c746ee34feae 122 // just placed a char into the buffer.
dannyman939 0:c746ee34feae 123 char c = buffer[RxIrq][buffer_in[RxIrq]];
dannyman939 0:c746ee34feae 124
dannyman939 0:c746ee34feae 125 if (buffer_count[RxIrq]) {
dannyman939 0:c746ee34feae 126 buffer_count[RxIrq]--;
dannyman939 0:c746ee34feae 127 buffer_in[RxIrq]--;
dannyman939 0:c746ee34feae 128 if (buffer_in[RxIrq] < 0) {
dannyman939 0:c746ee34feae 129 buffer_in[RxIrq] = buffer_size[RxIrq] - 1;
dannyman939 0:c746ee34feae 130 }
dannyman939 0:c746ee34feae 131 }
dannyman939 0:c746ee34feae 132
dannyman939 0:c746ee34feae 133 return (int)c;
dannyman939 0:c746ee34feae 134 }
dannyman939 0:c746ee34feae 135
dannyman939 0:c746ee34feae 136
dannyman939 0:c746ee34feae 137 }; // namespace AjK ends