Kenji Arai / SoftSerial

Not work original Lib on F446RE & L432KC . Change usage prime() & setNext() for both TX and RX function due to unexpected behavior (maybe os TimerEvent function problem)

Dependents:   BufferedSoftSerial

SoftSerial.cpp@13:6399b30798a5, 2020-05-12 (annotated)

Committer:
kenjiArai
Date:
Tue May 12 05:27:07 2020 +0000
Revision:
13:6399b30798a5
Parent:
12:cd58d03b8559 
expand for several CPU's.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 13:6399b30798a5 1 // Modified by K.Arai / JH1PJL May 12th, 2020
kenjiArai 12:cd58d03b8559 2
Sissors 0:8edaa7abe724 3 #include "SoftSerial.h"
Sissors 0:8edaa7abe724 4
kenjiArai 12:cd58d03b8559 5 SoftSerial::SoftSerial(PinName TX, PinName RX, const char* name)
kenjiArai 12:cd58d03b8559 6 {
Sissors 0:8edaa7abe724 7 tx_en = rx_en = false;
SonyPony 11:a0029614de72 8 read_buffer = 0;
Sissors 0:8edaa7abe724 9 if (TX != NC) {
Sissors 0:8edaa7abe724 10 tx = new DigitalOut(TX);
Sissors 0:8edaa7abe724 11 tx_en = true;
Sissors 0:8edaa7abe724 12 tx->write(1);
Sissors 0:8edaa7abe724 13 tx_bit = -1;
Sissors 6:517082212c00 14 txticker.attach(this, &SoftSerial::tx_handler);
Sissors 0:8edaa7abe724 15 }
Sissors 0:8edaa7abe724 16 if (RX != NC) {
Sissors 0:8edaa7abe724 17 rx = new InterruptIn(RX);
Sissors 0:8edaa7abe724 18 rx_en = true;
Sissors 1:f8b4b764ace7 19 out_valid = false;
Sissors 6:517082212c00 20 rxticker.attach(this, &SoftSerial::rx_handler);
kenjiArai 12:cd58d03b8559 21 rx->fall(callback(this, &SoftSerial::rx_gpio_irq_handler));
Sissors 0:8edaa7abe724 22 }
kenjiArai 12:cd58d03b8559 23
Sissors 0:8edaa7abe724 24 baud(9600);
Sissors 0:8edaa7abe724 25 format();
Sissors 0:8edaa7abe724 26 }
Sissors 0:8edaa7abe724 27
kenjiArai 12:cd58d03b8559 28 SoftSerial::~SoftSerial()
kenjiArai 12:cd58d03b8559 29 {
kenjiArai 12:cd58d03b8559 30 if (tx_en) {
Sissors 9:4e4617c4a441 31 delete(tx);
kenjiArai 12:cd58d03b8559 32 }
kenjiArai 12:cd58d03b8559 33 if (rx_en) {
Sissors 9:4e4617c4a441 34 delete(rx);
kenjiArai 12:cd58d03b8559 35 }
Sissors 9:4e4617c4a441 36 }
Sissors 9:4e4617c4a441 37
kenjiArai 12:cd58d03b8559 38 void SoftSerial::baud(int baudrate)
kenjiArai 12:cd58d03b8559 39 {
Sissors 0:8edaa7abe724 40 bit_period = 1000000 / baudrate;
Sissors 0:8edaa7abe724 41 }
Sissors 0:8edaa7abe724 42
kenjiArai 12:cd58d03b8559 43 void SoftSerial::format(int bits, Parity parity, int stop_bits)
kenjiArai 12:cd58d03b8559 44 {
Sissors 0:8edaa7abe724 45 _bits = bits;
Sissors 0:8edaa7abe724 46 _parity = parity;
Sissors 0:8edaa7abe724 47 _stop_bits = stop_bits;
kenjiArai 12:cd58d03b8559 48 _total_bits = 2 + _bits + _stop_bits + (bool)_parity;
Sissors 0:8edaa7abe724 49 }