Kenji Arai / SoftSerial_IR

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Dependents:   TestVirtualisation Bf_SoftSerial_IR

SoftSerial_IR.cpp@12:79d63607bbb1, 2018-12-17 (annotated)

Committer:
kenjiArai
Date:
Mon Dec 17 03:38:12 2018 +0000
Revision:
12:79d63607bbb1
Parent:
SoftSerial.cpp@11:a0029614de72
Child:
13:2b5649a1278a
change only for Infra-Red LED & IR-Remote

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 12:79d63607bbb1 1 #include "SoftSerial_IR.h"
Sissors 0:8edaa7abe724 2
kenjiArai 12:79d63607bbb1 3 SoftSerial_IR::SoftSerial_IR(PinName TX, PinName RX, const char* name) {
Sissors 0:8edaa7abe724 4 tx_en = rx_en = false;
SonyPony 11:a0029614de72 5 read_buffer = 0;
Sissors 0:8edaa7abe724 6 if (TX != NC) {
kenjiArai 12:79d63607bbb1 7 tx = new PwmOut(TX);
Sissors 0:8edaa7abe724 8 tx_en = true;
kenjiArai 12:79d63607bbb1 9 tx->write(0.0f);
Sissors 0:8edaa7abe724 10 tx_bit = -1;
kenjiArai 12:79d63607bbb1 11 send_tx_bit = 0;
kenjiArai 12:79d63607bbb1 12 tx->period(1.0f / 38000.0f); // PWM = 38kHz
kenjiArai 12:79d63607bbb1 13 txticker.attach(this, &SoftSerial_IR::tx_handler);
Sissors 0:8edaa7abe724 14 }
Sissors 0:8edaa7abe724 15 if (RX != NC) {
Sissors 0:8edaa7abe724 16 rx = new InterruptIn(RX);
Sissors 0:8edaa7abe724 17 rx_en = true;
Sissors 1:f8b4b764ace7 18 out_valid = false;
kenjiArai 12:79d63607bbb1 19 rxticker.attach(this, &SoftSerial_IR::rx_handler);
kenjiArai 12:79d63607bbb1 20 rx->fall(this, &SoftSerial_IR::rx_gpio_irq_handler);
Sissors 0:8edaa7abe724 21 }
Sissors 0:8edaa7abe724 22
kenjiArai 12:79d63607bbb1 23 baud(1200);
Sissors 0:8edaa7abe724 24 format();
Sissors 0:8edaa7abe724 25 }
Sissors 0:8edaa7abe724 26
kenjiArai 12:79d63607bbb1 27 SoftSerial_IR::~SoftSerial_IR() {
kenjiArai 12:79d63607bbb1 28 if (tx_en){
Sissors 9:4e4617c4a441 29 delete(tx);
kenjiArai 12:79d63607bbb1 30 }
kenjiArai 12:79d63607bbb1 31 if (rx_en){
Sissors 9:4e4617c4a441 32 delete(rx);
kenjiArai 12:79d63607bbb1 33 }
Sissors 9:4e4617c4a441 34 }
Sissors 9:4e4617c4a441 35
kenjiArai 12:79d63607bbb1 36 void SoftSerial_IR::baud(int baudrate) {
Sissors 0:8edaa7abe724 37 bit_period = 1000000 / baudrate;
Sissors 0:8edaa7abe724 38 }
Sissors 0:8edaa7abe724 39
kenjiArai 12:79d63607bbb1 40 void SoftSerial_IR::format(int bits, Parity parity, int stop_bits) {
Sissors 0:8edaa7abe724 41 _bits = bits;
Sissors 0:8edaa7abe724 42 _parity = parity;
Sissors 0:8edaa7abe724 43 _stop_bits = stop_bits;
Sissors 2:9e01a38606b4 44 _total_bits = 1 + _bits + _stop_bits + (bool)_parity;
Sissors 0:8edaa7abe724 45 }