Benjamin Hepp / mavlink_bridge

Mavlink bridge for Mbed devices

Dependents:   AIT_UWB_Range

uart_interface.h@0:28183cc7963f, 2015-11-24 (annotated)

Committer:
bhepp
Date:
Tue Nov 24 16:41:11 2015 +0000
Revision:
0:28183cc7963f
Child:
6:48b46bcdd5cb
Mavlink bridge for Mbed

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bhepp 0:28183cc7963f 1 #pragma once
bhepp 0:28183cc7963f 2
bhepp 0:28183cc7963f 3 #ifdef __MBED__
bhepp 0:28183cc7963f 4 #include "mbed.h"
bhepp 0:28183cc7963f 5 #endif
bhepp 0:28183cc7963f 6
bhepp 0:28183cc7963f 7 namespace ait {
bhepp 0:28183cc7963f 8
bhepp 0:28183cc7963f 9 class UART_Interface {
bhepp 0:28183cc7963f 10 public:
bhepp 0:28183cc7963f 11 virtual bool writeChar(uint8_t c) = 0;
bhepp 0:28183cc7963f 12 virtual bool isCharAvailable() = 0;
bhepp 0:28183cc7963f 13 virtual uint8_t readChar(bool* err_flag = NULL) = 0;
bhepp 0:28183cc7963f 14 };
bhepp 0:28183cc7963f 15
bhepp 0:28183cc7963f 16 #ifdef __MBED__
bhepp 0:28183cc7963f 17 class UART_Mbed : public UART_Interface {
bhepp 0:28183cc7963f 18 Serial _serial;
bhepp 0:28183cc7963f 19
bhepp 0:28183cc7963f 20 public:
bhepp 0:28183cc7963f 21 UART_Mbed(PinName tx, PinName rx, int baudrate = 115200)
bhepp 0:28183cc7963f 22 : _serial(tx, rx) {
bhepp 0:28183cc7963f 23 _serial.baud(baudrate);
bhepp 0:28183cc7963f 24 }
bhepp 0:28183cc7963f 25
bhepp 0:28183cc7963f 26 virtual bool writeChar(uint8_t c) {
bhepp 0:28183cc7963f 27 int ret = _serial.putc(c);
bhepp 0:28183cc7963f 28 if (ret == -1) {
bhepp 0:28183cc7963f 29 return false;
bhepp 0:28183cc7963f 30 //throw std::exception("Unable to write on serial port");
bhepp 0:28183cc7963f 31 }
bhepp 0:28183cc7963f 32 return true;
bhepp 0:28183cc7963f 33 }
bhepp 0:28183cc7963f 34
bhepp 0:28183cc7963f 35 virtual bool isCharAvailable() {
bhepp 0:28183cc7963f 36 return _serial.readable();
bhepp 0:28183cc7963f 37 }
bhepp 0:28183cc7963f 38
bhepp 0:28183cc7963f 39 virtual uint8_t readChar(bool* err_flag = NULL) {
bhepp 0:28183cc7963f 40 int c = _serial.getc();
bhepp 0:28183cc7963f 41 if (err_flag != NULL) {
bhepp 0:28183cc7963f 42 if (c == -1)
bhepp 0:28183cc7963f 43 *err_flag = true;
bhepp 0:28183cc7963f 44 else
bhepp 0:28183cc7963f 45 *err_flag = false;
bhepp 0:28183cc7963f 46 }
bhepp 0:28183cc7963f 47 return static_cast<uint8_t>(c);
bhepp 0:28183cc7963f 48 }
bhepp 0:28183cc7963f 49 };
bhepp 0:28183cc7963f 50 #endif // __MBED__
bhepp 0:28183cc7963f 51
bhepp 0:28183cc7963f 52 }