Marcus Lee / SerialBuffer

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   LinearArray

serialBuffer.cpp@6:ca024bcee813, 2017-03-08 (annotated)

Committer:
UHSLMarcus
Date:
Wed Mar 08 11:11:20 2017 +0000
Revision:
6:ca024bcee813
Parent:
1:985b6f1c7347
Child:
8:93d1469f3f6d
updated to use simpler linear array lib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
UHSLMarcus 0:dd6d74f39384 1 #include "serialBuffer.h"
UHSLMarcus 0:dd6d74f39384 2
UHSLMarcus 1:985b6f1c7347 3 utils::SerialBuffer::SerialBuffer(PinName tx, PinName rx) : RawSerial(tx, rx), rx_buffer(255) {
UHSLMarcus 6:ca024bcee813 4 RawSerial::attach(callback(this, &utils::SerialBuffer::rx_interrupt), Serial::RxIrq);
UHSLMarcus 0:dd6d74f39384 5 return;
UHSLMarcus 0:dd6d74f39384 6 }
UHSLMarcus 0:dd6d74f39384 7
UHSLMarcus 1:985b6f1c7347 8 utils::SerialBuffer::~SerialBuffer() {
UHSLMarcus 0:dd6d74f39384 9 RawSerial::attach(NULL, RawSerial::RxIrq);
UHSLMarcus 0:dd6d74f39384 10 return;
UHSLMarcus 0:dd6d74f39384 11 }
UHSLMarcus 0:dd6d74f39384 12
UHSLMarcus 1:985b6f1c7347 13 int utils::SerialBuffer::readable() {
UHSLMarcus 6:ca024bcee813 14 return rx_buffer.count() > 0;
UHSLMarcus 0:dd6d74f39384 15 }
UHSLMarcus 1:985b6f1c7347 16
UHSLMarcus 1:985b6f1c7347 17 char utils::SerialBuffer::getc() {
UHSLMarcus 0:dd6d74f39384 18 RawSerial::attach(NULL, RawSerial::RxIrq);
UHSLMarcus 0:dd6d74f39384 19
UHSLMarcus 6:ca024bcee813 20 char nextChar = rx_buffer.pop();
UHSLMarcus 0:dd6d74f39384 21
UHSLMarcus 6:ca024bcee813 22 RawSerial::attach(callback(this, &utils::SerialBuffer::rx_interrupt), Serial::RxIrq);
UHSLMarcus 0:dd6d74f39384 23
UHSLMarcus 6:ca024bcee813 24 return nextChar;
UHSLMarcus 0:dd6d74f39384 25 }
UHSLMarcus 0:dd6d74f39384 26
UHSLMarcus 1:985b6f1c7347 27 void utils::SerialBuffer::rx_interrupt(void) {
UHSLMarcus 6:ca024bcee813 28 if(serial_readable(&_serial) && !rx_buffer.full()) {
UHSLMarcus 6:ca024bcee813 29 rx_buffer.push(serial_getc(&_serial));
UHSLMarcus 0:dd6d74f39384 30 }
UHSLMarcus 0:dd6d74f39384 31
UHSLMarcus 0:dd6d74f39384 32 return;
UHSLMarcus 6:ca024bcee813 33 }