Benjamin Hepp / BufferedSerial

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:   Buffer

Fork of BufferedSerial by Sam Grove

uart_interface.h@15:6de17cf2269d, 2016-04-05 (annotated)

Committer:
bhepp
Date:
Tue Apr 05 09:19:51 2016 +0000
Revision:
15:6de17cf2269d
Parent:
14:2150f1edc9bc 
Fixed issue with interrupt handling

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bhepp 14:2150f1edc9bc 1 #pragma once
bhepp 14:2150f1edc9bc 2
bhepp 14:2150f1edc9bc 3 #ifdef __MBED__
bhepp 14:2150f1edc9bc 4 #include "mbed.h"
bhepp 14:2150f1edc9bc 5 #include "BufferedSerial.h"
bhepp 14:2150f1edc9bc 6 #endif
bhepp 14:2150f1edc9bc 7
bhepp 14:2150f1edc9bc 8 namespace ait {
bhepp 14:2150f1edc9bc 9
bhepp 14:2150f1edc9bc 10 class UART_Interface {
bhepp 14:2150f1edc9bc 11 public:
bhepp 14:2150f1edc9bc 12 virtual bool writeChar(uint8_t c) = 0;
bhepp 14:2150f1edc9bc 13 virtual bool isCharAvailable() = 0;
bhepp 14:2150f1edc9bc 14 virtual uint8_t readChar(bool* err_flag = NULL) = 0;
bhepp 14:2150f1edc9bc 15 };
bhepp 14:2150f1edc9bc 16
bhepp 14:2150f1edc9bc 17 #ifdef __MBED__
bhepp 14:2150f1edc9bc 18 class UART_Mbed : public UART_Interface {
bhepp 14:2150f1edc9bc 19 BufferedSerial* serial_;
bhepp 14:2150f1edc9bc 20
bhepp 14:2150f1edc9bc 21 public:
bhepp 14:2150f1edc9bc 22 UART_Mbed(BufferedSerial* serial)
bhepp 14:2150f1edc9bc 23 : serial_(serial) {
bhepp 14:2150f1edc9bc 24 }
bhepp 14:2150f1edc9bc 25
bhepp 14:2150f1edc9bc 26 virtual bool writeChar(uint8_t c) {
bhepp 14:2150f1edc9bc 27 int ret = serial_->putc(c);
bhepp 14:2150f1edc9bc 28 if (ret == -1) {
bhepp 14:2150f1edc9bc 29 return false;
bhepp 14:2150f1edc9bc 30 //throw std::exception("Unable to write on serial port");
bhepp 14:2150f1edc9bc 31 }
bhepp 14:2150f1edc9bc 32 return true;
bhepp 14:2150f1edc9bc 33 }
bhepp 14:2150f1edc9bc 34
bhepp 14:2150f1edc9bc 35 virtual bool isCharAvailable() {
bhepp 14:2150f1edc9bc 36 return serial_->readable();
bhepp 14:2150f1edc9bc 37 }
bhepp 14:2150f1edc9bc 38
bhepp 14:2150f1edc9bc 39 virtual uint8_t readChar(bool* err_flag = NULL) {
bhepp 14:2150f1edc9bc 40 int c = serial_->getc();
bhepp 14:2150f1edc9bc 41 if (err_flag != NULL) {
bhepp 14:2150f1edc9bc 42 if (c == -1)
bhepp 14:2150f1edc9bc 43 *err_flag = true;
bhepp 14:2150f1edc9bc 44 else
bhepp 14:2150f1edc9bc 45 *err_flag = false;
bhepp 14:2150f1edc9bc 46 }
bhepp 14:2150f1edc9bc 47 return static_cast<uint8_t>(c);
bhepp 14:2150f1edc9bc 48 }
bhepp 14:2150f1edc9bc 49 };
bhepp 14:2150f1edc9bc 50 #endif // __MBED__
bhepp 14:2150f1edc9bc 51
bhepp 14:2150f1edc9bc 52 }