Fahad Mirza / MODSERIAL

MODSERIAL with support for more devices

Fork of MODSERIAL by Erik -

ISR_TX.cpp@46:6571cd7f896e, 2018-07-11 (annotated)

Committer:
fahadmirza
Date:
Wed Jul 11 08:17:03 2018 +0000
Revision:
46:6571cd7f896e
Parent:
28:76793a84f9e5 
Added support for NUCLEO_L053R8

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AjK 0:eb2522b41db8 1 /*
AjK 0:eb2522b41db8 2 Copyright (c) 2010 Andy Kirkham
Sissors 28:76793a84f9e5 3
AjK 0:eb2522b41db8 4 Permission is hereby granted, free of charge, to any person obtaining a copy
AjK 0:eb2522b41db8 5 of this software and associated documentation files (the "Software"), to deal
AjK 0:eb2522b41db8 6 in the Software without restriction, including without limitation the rights
AjK 0:eb2522b41db8 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
AjK 0:eb2522b41db8 8 copies of the Software, and to permit persons to whom the Software is
AjK 0:eb2522b41db8 9 furnished to do so, subject to the following conditions:
Sissors 28:76793a84f9e5 10
AjK 0:eb2522b41db8 11 The above copyright notice and this permission notice shall be included in
AjK 0:eb2522b41db8 12 all copies or substantial portions of the Software.
Sissors 28:76793a84f9e5 13
AjK 0:eb2522b41db8 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
AjK 0:eb2522b41db8 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
AjK 0:eb2522b41db8 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AjK 0:eb2522b41db8 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
AjK 0:eb2522b41db8 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
AjK 0:eb2522b41db8 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
AjK 0:eb2522b41db8 20 THE SOFTWARE.
AjK 0:eb2522b41db8 21 */
AjK 0:eb2522b41db8 22
AjK 0:eb2522b41db8 23 #include "MODSERIAL.h"
AjK 0:eb2522b41db8 24 #include "MACROS.h"
AjK 0:eb2522b41db8 25
Sissors 28:76793a84f9e5 26 namespace AjK
AjK 0:eb2522b41db8 27 {
Sissors 28:76793a84f9e5 28
Sissors 28:76793a84f9e5 29 void MODSERIAL::isr_tx(bool doCallback)
Sissors 28:76793a84f9e5 30 {
Sissors 28:76793a84f9e5 31 if (TX_IRQ_ENABLED || MODSERIAL_TX_BUFFER_FULL ) {
Sissors 28:76793a84f9e5 32 if (! _base || buffer_size[TxIrq] == 0 || buffer[TxIrq] == (char *)NULL) {
Sissors 28:76793a84f9e5 33 _isr[TxIrq].call(&this->callbackInfo);
Sissors 28:76793a84f9e5 34 return;
AjK 0:eb2522b41db8 35 }
Sissors 28:76793a84f9e5 36
Sissors 28:76793a84f9e5 37 while (! MODSERIAL_TX_BUFFER_EMPTY && MODSERIAL_WRITABLE ) {
Sissors 28:76793a84f9e5 38 MODSERIAL_WRITE_REG = txc = (uint8_t)(buffer[TxIrq][buffer_out[TxIrq]]);
Sissors 28:76793a84f9e5 39 buffer_count[TxIrq]--;
Sissors 28:76793a84f9e5 40 buffer_out[TxIrq]++;
Sissors 28:76793a84f9e5 41 if (buffer_out[TxIrq] >= buffer_size[TxIrq]) {
Sissors 28:76793a84f9e5 42 buffer_out[TxIrq] = 0;
Sissors 28:76793a84f9e5 43 }
Sissors 28:76793a84f9e5 44 if (doCallback) _isr[TxIrq].call(&this->callbackInfo);
Sissors 28:76793a84f9e5 45 }
Sissors 28:76793a84f9e5 46
Sissors 28:76793a84f9e5 47 if ( MODSERIAL_TX_BUFFER_EMPTY ) {
Sissors 28:76793a84f9e5 48 DISABLE_TX_IRQ;
Sissors 28:76793a84f9e5 49 _isr[TxEmpty].call(&this->callbackInfo);
Sissors 28:76793a84f9e5 50 }
AjK 0:eb2522b41db8 51 }
Sissors 28:76793a84f9e5 52 }
AjK 0:eb2522b41db8 53 }; // namespace AjK ends
AjK 0:eb2522b41db8 54
Sissors 28:76793a84f9e5 55